1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 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 /* 31 * IEEE 802.11 ioctl support (FreeBSD-specific) 32 */ 33 34 #include "opt_inet.h" 35 #include "opt_wlan.h" 36 37 #include <sys/endian.h> 38 #include <sys/param.h> 39 #include <sys/kernel.h> 40 #include <sys/malloc.h> 41 #include <sys/socket.h> 42 #include <sys/sockio.h> 43 #include <sys/systm.h> 44 45 #include <net/if.h> 46 #include <net/if_var.h> 47 #include <net/if_dl.h> 48 #include <net/if_media.h> 49 #include <net/if_private.h> 50 #include <net/ethernet.h> 51 52 #ifdef INET 53 #include <netinet/in.h> 54 #include <netinet/if_ether.h> 55 #endif 56 57 #include <net80211/ieee80211_var.h> 58 #include <net80211/ieee80211_ioctl.h> 59 #include <net80211/ieee80211_regdomain.h> 60 #include <net80211/ieee80211_input.h> 61 62 #define IS_UP_AUTO(_vap) \ 63 (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \ 64 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO) 65 66 static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 67 static struct ieee80211_channel *findchannel(struct ieee80211com *, 68 int ieee, int mode); 69 static int ieee80211_scanreq(struct ieee80211vap *, 70 struct ieee80211_scan_req *); 71 72 static int 73 ieee80211_ioctl_getkey(u_long cmd, struct ieee80211vap *vap, 74 struct ieee80211req *ireq) 75 { 76 struct ieee80211com *ic = vap->iv_ic; 77 struct ieee80211_node *ni; 78 struct ieee80211req_key ik; 79 struct ieee80211_key *wk; 80 const struct ieee80211_cipher *cip; 81 u_int kid; 82 int error; 83 84 if (ireq->i_len != sizeof(ik)) 85 return EINVAL; 86 error = copyin(ireq->i_data, &ik, sizeof(ik)); 87 if (error) 88 return error; 89 kid = ik.ik_keyix; 90 if (kid == IEEE80211_KEYIX_NONE) { 91 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr); 92 if (ni == NULL) 93 return ENOENT; 94 wk = &ni->ni_ucastkey; 95 } else { 96 if (kid >= IEEE80211_WEP_NKID) 97 return EINVAL; 98 wk = &vap->iv_nw_keys[kid]; 99 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr); 100 ni = NULL; 101 } 102 cip = wk->wk_cipher; 103 ik.ik_type = cip->ic_cipher; 104 ik.ik_keylen = wk->wk_keylen; 105 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 106 if (wk->wk_keyix == vap->iv_def_txkey) 107 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 108 if (ieee80211_priv_check_vap_getkey(cmd, vap, NULL) == 0) { 109 /* NB: only root can read key data */ 110 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID]; 111 ik.ik_keytsc = wk->wk_keytsc; 112 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 113 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 114 memcpy(ik.ik_keydata+wk->wk_keylen, 115 wk->wk_key + IEEE80211_KEYBUF_SIZE, 116 IEEE80211_MICBUF_SIZE); 117 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 118 } 119 } else { 120 ik.ik_keyrsc = 0; 121 ik.ik_keytsc = 0; 122 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 123 } 124 if (ni != NULL) 125 ieee80211_free_node(ni); 126 return copyout(&ik, ireq->i_data, sizeof(ik)); 127 } 128 129 static int 130 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 131 { 132 struct ieee80211com *ic = vap->iv_ic; 133 134 if (sizeof(ic->ic_chan_active) < ireq->i_len) 135 ireq->i_len = sizeof(ic->ic_chan_active); 136 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); 137 } 138 139 static int 140 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 141 { 142 struct ieee80211com *ic = vap->iv_ic; 143 uint32_t space; 144 145 space = __offsetof(struct ieee80211req_chaninfo, 146 ic_chans[ic->ic_nchans]); 147 if (space > ireq->i_len) 148 space = ireq->i_len; 149 /* XXX assumes compatible layout */ 150 return copyout(&ic->ic_nchans, ireq->i_data, space); 151 } 152 153 static int 154 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap, 155 struct ieee80211req *ireq, int req) 156 { 157 struct ieee80211_node *ni; 158 struct ieee80211req_wpaie2 *wpaie; 159 int error; 160 161 if (ireq->i_len < IEEE80211_ADDR_LEN) 162 return EINVAL; 163 wpaie = IEEE80211_MALLOC(sizeof(*wpaie), M_TEMP, 164 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 165 if (wpaie == NULL) 166 return ENOMEM; 167 error = copyin(ireq->i_data, wpaie->wpa_macaddr, IEEE80211_ADDR_LEN); 168 if (error != 0) 169 goto bad; 170 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie->wpa_macaddr); 171 if (ni == NULL) { 172 error = ENOENT; 173 goto bad; 174 } 175 if (ni->ni_ies.wpa_ie != NULL) { 176 int ielen = ni->ni_ies.wpa_ie[1] + 2; 177 if (ielen > sizeof(wpaie->wpa_ie)) 178 ielen = sizeof(wpaie->wpa_ie); 179 memcpy(wpaie->wpa_ie, ni->ni_ies.wpa_ie, ielen); 180 } 181 if (req == IEEE80211_IOC_WPAIE2) { 182 if (ni->ni_ies.rsn_ie != NULL) { 183 int ielen = ni->ni_ies.rsn_ie[1] + 2; 184 if (ielen > sizeof(wpaie->rsn_ie)) 185 ielen = sizeof(wpaie->rsn_ie); 186 memcpy(wpaie->rsn_ie, ni->ni_ies.rsn_ie, ielen); 187 } 188 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2)) 189 ireq->i_len = sizeof(struct ieee80211req_wpaie2); 190 } else { 191 /* compatibility op, may overwrite wpa ie */ 192 /* XXX check ic_flags? */ 193 if (ni->ni_ies.rsn_ie != NULL) { 194 int ielen = ni->ni_ies.rsn_ie[1] + 2; 195 if (ielen > sizeof(wpaie->wpa_ie)) 196 ielen = sizeof(wpaie->wpa_ie); 197 memcpy(wpaie->wpa_ie, ni->ni_ies.rsn_ie, ielen); 198 } 199 if (ireq->i_len > sizeof(struct ieee80211req_wpaie)) 200 ireq->i_len = sizeof(struct ieee80211req_wpaie); 201 } 202 ieee80211_free_node(ni); 203 error = copyout(wpaie, ireq->i_data, ireq->i_len); 204 bad: 205 IEEE80211_FREE(wpaie, M_TEMP); 206 return error; 207 } 208 209 static int 210 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 211 { 212 struct ieee80211_node *ni; 213 uint8_t macaddr[IEEE80211_ADDR_LEN]; 214 const size_t off = __offsetof(struct ieee80211req_sta_stats, is_stats); 215 int error; 216 217 if (ireq->i_len < off) 218 return EINVAL; 219 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 220 if (error != 0) 221 return error; 222 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 223 if (ni == NULL) 224 return ENOENT; 225 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 226 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 227 /* NB: copy out only the statistics */ 228 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off, 229 ireq->i_len - off); 230 ieee80211_free_node(ni); 231 return error; 232 } 233 234 struct scanreq { 235 struct ieee80211req_scan_result *sr; 236 size_t space; 237 }; 238 239 static size_t 240 scan_space(const struct ieee80211_scan_entry *se, int *ielen) 241 { 242 size_t len; 243 244 *ielen = se->se_ies.len; 245 /* 246 * NB: ie's can be no more than 255 bytes and the max 802.11 247 * packet is <3Kbytes so we are sure this doesn't overflow 248 * 16-bits; if this is a concern we can drop the ie's. 249 */ 250 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + 251 se->se_meshid[1] + *ielen; 252 return roundup(len, sizeof(uint32_t)); 253 } 254 255 static void 256 get_scan_space(void *arg, const struct ieee80211_scan_entry *se) 257 { 258 struct scanreq *req = arg; 259 int ielen; 260 261 req->space += scan_space(se, &ielen); 262 } 263 264 static void 265 get_scan_result(void *arg, const struct ieee80211_scan_entry *se) 266 { 267 struct scanreq *req = arg; 268 struct ieee80211req_scan_result *sr; 269 int ielen, len, nr, nxr; 270 uint8_t *cp; 271 272 len = scan_space(se, &ielen); 273 if (len > req->space) 274 return; 275 276 sr = req->sr; 277 KASSERT(len <= 65535 && ielen <= 65535, 278 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen)); 279 sr->isr_len = len; 280 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result); 281 sr->isr_ie_len = ielen; 282 sr->isr_freq = se->se_chan->ic_freq; 283 sr->isr_flags = se->se_chan->ic_flags; 284 sr->isr_rssi = se->se_rssi; 285 sr->isr_noise = se->se_noise; 286 sr->isr_intval = se->se_intval; 287 sr->isr_capinfo = se->se_capinfo; 288 sr->isr_erp = se->se_erp; 289 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid); 290 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE); 291 memcpy(sr->isr_rates, se->se_rates+2, nr); 292 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr); 293 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr); 294 sr->isr_nrates = nr + nxr; 295 296 /* copy SSID */ 297 sr->isr_ssid_len = se->se_ssid[1]; 298 cp = ((uint8_t *)sr) + sr->isr_ie_off; 299 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len); 300 301 /* copy mesh id */ 302 cp += sr->isr_ssid_len; 303 sr->isr_meshid_len = se->se_meshid[1]; 304 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len); 305 cp += sr->isr_meshid_len; 306 307 if (ielen) 308 memcpy(cp, se->se_ies.data, ielen); 309 310 req->space -= len; 311 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len); 312 } 313 314 static int 315 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap, 316 struct ieee80211req *ireq) 317 { 318 struct scanreq req; 319 int error; 320 321 if (ireq->i_len < sizeof(struct scanreq)) 322 return EFAULT; 323 324 error = 0; 325 req.space = 0; 326 ieee80211_scan_iterate(vap, get_scan_space, &req); 327 if (req.space > ireq->i_len) 328 req.space = ireq->i_len; 329 if (req.space > 0) { 330 uint32_t space; 331 void *p; 332 333 space = req.space; 334 /* XXX IEEE80211_M_WAITOK after driver lock released */ 335 p = IEEE80211_MALLOC(space, M_TEMP, 336 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 337 if (p == NULL) 338 return ENOMEM; 339 req.sr = p; 340 ieee80211_scan_iterate(vap, get_scan_result, &req); 341 ireq->i_len = space - req.space; 342 error = copyout(p, ireq->i_data, ireq->i_len); 343 IEEE80211_FREE(p, M_TEMP); 344 } else 345 ireq->i_len = 0; 346 347 return error; 348 } 349 350 struct stainforeq { 351 struct ieee80211req_sta_info *si; 352 size_t space; 353 }; 354 355 static size_t 356 sta_space(const struct ieee80211_node *ni, size_t *ielen) 357 { 358 *ielen = ni->ni_ies.len; 359 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, 360 sizeof(uint32_t)); 361 } 362 363 static void 364 get_sta_space(void *arg, struct ieee80211_node *ni) 365 { 366 struct stainforeq *req = arg; 367 size_t ielen; 368 369 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP && 370 ni->ni_associd == 0) /* only associated stations */ 371 return; 372 req->space += sta_space(ni, &ielen); 373 } 374 375 static void 376 get_sta_info(void *arg, struct ieee80211_node *ni) 377 { 378 struct stainforeq *req = arg; 379 struct ieee80211vap *vap = ni->ni_vap; 380 struct ieee80211req_sta_info *si; 381 size_t ielen, len; 382 uint8_t *cp; 383 384 if (vap->iv_opmode == IEEE80211_M_HOSTAP && 385 ni->ni_associd == 0) /* only associated stations */ 386 return; 387 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 388 return; 389 len = sta_space(ni, &ielen); 390 if (len > req->space) 391 return; 392 si = req->si; 393 si->isi_len = len; 394 si->isi_ie_off = sizeof(struct ieee80211req_sta_info); 395 si->isi_ie_len = ielen; 396 si->isi_freq = ni->ni_chan->ic_freq; 397 si->isi_flags = ni->ni_chan->ic_flags; 398 si->isi_state = ni->ni_flags; 399 si->isi_authmode = ni->ni_authmode; 400 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise); 401 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo); 402 si->isi_capinfo = ni->ni_capinfo; 403 si->isi_erp = ni->ni_erp; 404 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 405 si->isi_nrates = ni->ni_rates.rs_nrates; 406 if (si->isi_nrates > 15) 407 si->isi_nrates = 15; 408 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 409 si->isi_txrate = ni->ni_txrate; 410 if (si->isi_txrate & IEEE80211_RATE_MCS) { 411 const struct ieee80211_mcs_rates *mcs = 412 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS]; 413 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) { 414 if (ni->ni_flags & IEEE80211_NODE_SGI40) 415 si->isi_txmbps = mcs->ht40_rate_800ns; 416 else 417 si->isi_txmbps = mcs->ht40_rate_400ns; 418 } else { 419 if (ni->ni_flags & IEEE80211_NODE_SGI20) 420 si->isi_txmbps = mcs->ht20_rate_800ns; 421 else 422 si->isi_txmbps = mcs->ht20_rate_400ns; 423 } 424 } else 425 si->isi_txmbps = si->isi_txrate; 426 si->isi_associd = ni->ni_associd; 427 si->isi_txpower = ni->ni_txpower; 428 si->isi_vlan = ni->ni_vlan; 429 if (ni->ni_flags & IEEE80211_NODE_QOS) { 430 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 431 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 432 } else { 433 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID]; 434 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID]; 435 } 436 /* NB: leave all cases in case we relax ni_associd == 0 check */ 437 if (ieee80211_node_is_authorized(ni)) 438 si->isi_inact = vap->iv_inact_run; 439 else if (ni->ni_associd != 0 || 440 (vap->iv_opmode == IEEE80211_M_WDS && 441 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY))) 442 si->isi_inact = vap->iv_inact_auth; 443 else 444 si->isi_inact = vap->iv_inact_init; 445 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 446 si->isi_localid = ni->ni_mllid; 447 si->isi_peerid = ni->ni_mlpid; 448 si->isi_peerstate = ni->ni_mlstate; 449 450 if (ielen) { 451 cp = ((uint8_t *)si) + si->isi_ie_off; 452 memcpy(cp, ni->ni_ies.data, ielen); 453 } 454 455 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len); 456 req->space -= len; 457 } 458 459 static int 460 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq, 461 struct ieee80211_node *ni, size_t off) 462 { 463 struct ieee80211com *ic = vap->iv_ic; 464 struct stainforeq req; 465 size_t space; 466 void *p; 467 int error; 468 469 error = 0; 470 req.space = 0; 471 if (ni == NULL) { 472 ieee80211_iterate_nodes_vap(&ic->ic_sta, vap, get_sta_space, 473 &req); 474 } else 475 get_sta_space(&req, ni); 476 if (req.space > ireq->i_len) 477 req.space = ireq->i_len; 478 if (req.space > 0) { 479 space = req.space; 480 /* XXX IEEE80211_M_WAITOK after driver lock released */ 481 p = IEEE80211_MALLOC(space, M_TEMP, 482 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 483 if (p == NULL) { 484 error = ENOMEM; 485 goto bad; 486 } 487 req.si = p; 488 if (ni == NULL) { 489 ieee80211_iterate_nodes_vap(&ic->ic_sta, vap, 490 get_sta_info, &req); 491 } else 492 get_sta_info(&req, ni); 493 ireq->i_len = space - req.space; 494 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len); 495 IEEE80211_FREE(p, M_TEMP); 496 } else 497 ireq->i_len = 0; 498 bad: 499 if (ni != NULL) 500 ieee80211_free_node(ni); 501 return error; 502 } 503 504 static int 505 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 506 { 507 uint8_t macaddr[IEEE80211_ADDR_LEN]; 508 const size_t off = __offsetof(struct ieee80211req_sta_req, info); 509 struct ieee80211_node *ni; 510 int error; 511 512 if (ireq->i_len < sizeof(struct ieee80211req_sta_req)) 513 return EFAULT; 514 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 515 if (error != 0) 516 return error; 517 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) { 518 ni = NULL; 519 } else { 520 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 521 if (ni == NULL) 522 return ENOENT; 523 } 524 return getstainfo_common(vap, ireq, ni, off); 525 } 526 527 static int 528 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 529 { 530 struct ieee80211_node *ni; 531 struct ieee80211req_sta_txpow txpow; 532 int error; 533 534 if (ireq->i_len != sizeof(txpow)) 535 return EINVAL; 536 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 537 if (error != 0) 538 return error; 539 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 540 if (ni == NULL) 541 return ENOENT; 542 txpow.it_txpow = ni->ni_txpower; 543 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 544 ieee80211_free_node(ni); 545 return error; 546 } 547 548 static int 549 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 550 { 551 struct ieee80211com *ic = vap->iv_ic; 552 struct ieee80211_wme_state *wme = &ic->ic_wme; 553 struct wmeParams *wmep; 554 int ac; 555 556 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 557 return EINVAL; 558 559 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 560 if (ac >= WME_NUM_AC) 561 ac = WME_AC_BE; 562 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 563 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 564 else 565 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 566 switch (ireq->i_type) { 567 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 568 ireq->i_val = wmep->wmep_logcwmin; 569 break; 570 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 571 ireq->i_val = wmep->wmep_logcwmax; 572 break; 573 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 574 ireq->i_val = wmep->wmep_aifsn; 575 break; 576 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 577 ireq->i_val = wmep->wmep_txopLimit; 578 break; 579 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 580 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 581 ireq->i_val = wmep->wmep_acm; 582 break; 583 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 584 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 585 ireq->i_val = !wmep->wmep_noackPolicy; 586 break; 587 } 588 return 0; 589 } 590 591 static int 592 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 593 { 594 const struct ieee80211_aclator *acl = vap->iv_acl; 595 596 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq)); 597 } 598 599 static int 600 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq) 601 { 602 struct ieee80211com *ic = vap->iv_ic; 603 struct ieee80211_channel *c; 604 605 if (ireq->i_len != sizeof(struct ieee80211_channel)) 606 return EINVAL; 607 /* 608 * vap's may have different operating channels when HT is 609 * in use. When in RUN state report the vap-specific channel. 610 * Otherwise return curchan. 611 */ 612 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 613 c = vap->iv_bss->ni_chan; 614 else 615 c = ic->ic_curchan; 616 return copyout(c, ireq->i_data, sizeof(*c)); 617 } 618 619 static int 620 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq) 621 { 622 if (aie == NULL) 623 return EINVAL; 624 /* NB: truncate, caller can check length */ 625 if (ireq->i_len > aie->ie_len) 626 ireq->i_len = aie->ie_len; 627 return copyout(aie->ie_data, ireq->i_data, ireq->i_len); 628 } 629 630 static int 631 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq) 632 { 633 uint8_t fc0; 634 635 fc0 = ireq->i_val & 0xff; 636 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 637 return EINVAL; 638 /* NB: could check iv_opmode and reject but hardly worth the effort */ 639 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 640 case IEEE80211_FC0_SUBTYPE_BEACON: 641 return getappie(vap->iv_appie_beacon, ireq); 642 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 643 return getappie(vap->iv_appie_proberesp, ireq); 644 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 645 return getappie(vap->iv_appie_assocresp, ireq); 646 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 647 return getappie(vap->iv_appie_probereq, ireq); 648 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 649 return getappie(vap->iv_appie_assocreq, ireq); 650 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP: 651 return getappie(vap->iv_appie_wpa, ireq); 652 } 653 return EINVAL; 654 } 655 656 static int 657 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap, 658 const struct ieee80211req *ireq) 659 { 660 struct ieee80211com *ic = vap->iv_ic; 661 662 if (ireq->i_len != sizeof(ic->ic_regdomain)) 663 return EINVAL; 664 return copyout(&ic->ic_regdomain, ireq->i_data, 665 sizeof(ic->ic_regdomain)); 666 } 667 668 static int 669 ieee80211_ioctl_getroam(struct ieee80211vap *vap, 670 const struct ieee80211req *ireq) 671 { 672 size_t len = ireq->i_len; 673 /* NB: accept short requests for backwards compat */ 674 if (len > sizeof(vap->iv_roamparms)) 675 len = sizeof(vap->iv_roamparms); 676 return copyout(vap->iv_roamparms, ireq->i_data, len); 677 } 678 679 static int 680 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap, 681 const struct ieee80211req *ireq) 682 { 683 size_t len = ireq->i_len; 684 /* NB: accept short requests for backwards compat */ 685 if (len > sizeof(vap->iv_txparms)) 686 len = sizeof(vap->iv_txparms); 687 return copyout(vap->iv_txparms, ireq->i_data, len); 688 } 689 690 static int 691 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic, 692 const struct ieee80211req *ireq) 693 { 694 struct ieee80211_devcaps_req *dc; 695 struct ieee80211req_chaninfo *ci; 696 int maxchans, error; 697 698 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) / 699 sizeof(struct ieee80211_channel)); 700 /* NB: require 1 so we know ic_nchans is accessible */ 701 if (maxchans < 1) 702 return EINVAL; 703 /* constrain max request size, 2K channels is ~24Kbytes */ 704 if (maxchans > 2048) 705 maxchans = 2048; 706 dc = (struct ieee80211_devcaps_req *) 707 IEEE80211_MALLOC(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, 708 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 709 if (dc == NULL) 710 return ENOMEM; 711 dc->dc_drivercaps = ic->ic_caps; 712 dc->dc_cryptocaps = ic->ic_cryptocaps; 713 dc->dc_htcaps = ic->ic_htcaps; 714 dc->dc_vhtcaps = ic->ic_vht_cap.vht_cap_info; 715 ci = &dc->dc_chaninfo; 716 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans); 717 KASSERT(ci->ic_nchans <= maxchans, 718 ("nchans %d maxchans %d", ci->ic_nchans, maxchans)); 719 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans); 720 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc)); 721 IEEE80211_FREE(dc, M_TEMP); 722 return error; 723 } 724 725 static int 726 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 727 { 728 struct ieee80211_node *ni; 729 struct ieee80211req_sta_vlan vlan; 730 int error; 731 732 if (ireq->i_len != sizeof(vlan)) 733 return EINVAL; 734 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 735 if (error != 0) 736 return error; 737 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 738 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 739 vlan.sv_macaddr); 740 if (ni == NULL) 741 return ENOENT; 742 } else 743 ni = ieee80211_ref_node(vap->iv_bss); 744 vlan.sv_vlan = ni->ni_vlan; 745 error = copyout(&vlan, ireq->i_data, sizeof(vlan)); 746 ieee80211_free_node(ni); 747 return error; 748 } 749 750 /* 751 * Dummy ioctl get handler so the linker set is defined. 752 */ 753 static int 754 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq) 755 { 756 return ENOSYS; 757 } 758 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get); 759 760 static int 761 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 762 { 763 ieee80211_ioctl_getfunc * const *get; 764 int error; 765 766 SET_FOREACH(get, ieee80211_ioctl_getset) { 767 error = (*get)(vap, ireq); 768 if (error != ENOSYS) 769 return error; 770 } 771 return EINVAL; 772 } 773 774 static int 775 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd, 776 struct ieee80211req *ireq) 777 { 778 struct ieee80211com *ic = vap->iv_ic; 779 u_int kid, len; 780 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 781 char tmpssid[IEEE80211_NWID_LEN]; 782 int error = 0; 783 784 switch (ireq->i_type) { 785 case IEEE80211_IOC_IC_NAME: 786 len = strlen(ic->ic_name) + 1; 787 if (len > ireq->i_len) 788 return (EINVAL); 789 ireq->i_len = len; 790 error = copyout(ic->ic_name, ireq->i_data, ireq->i_len); 791 break; 792 case IEEE80211_IOC_SSID: 793 switch (vap->iv_state) { 794 case IEEE80211_S_INIT: 795 case IEEE80211_S_SCAN: 796 ireq->i_len = vap->iv_des_ssid[0].len; 797 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); 798 break; 799 default: 800 ireq->i_len = vap->iv_bss->ni_esslen; 801 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); 802 break; 803 } 804 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 805 break; 806 case IEEE80211_IOC_NUMSSIDS: 807 ireq->i_val = 1; 808 break; 809 case IEEE80211_IOC_WEP: 810 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 811 ireq->i_val = IEEE80211_WEP_OFF; 812 else if (vap->iv_flags & IEEE80211_F_DROPUNENC) 813 ireq->i_val = IEEE80211_WEP_ON; 814 else 815 ireq->i_val = IEEE80211_WEP_MIXED; 816 break; 817 case IEEE80211_IOC_WEPKEY: 818 kid = (u_int) ireq->i_val; 819 if (kid >= IEEE80211_WEP_NKID) 820 return EINVAL; 821 len = (u_int) vap->iv_nw_keys[kid].wk_keylen; 822 /* NB: only root can read WEP keys */ 823 if (ieee80211_priv_check_vap_getkey(cmd, vap, NULL) == 0) { 824 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); 825 } else { 826 bzero(tmpkey, len); 827 } 828 ireq->i_len = len; 829 error = copyout(tmpkey, ireq->i_data, len); 830 break; 831 case IEEE80211_IOC_NUMWEPKEYS: 832 ireq->i_val = IEEE80211_WEP_NKID; 833 break; 834 case IEEE80211_IOC_WEPTXKEY: 835 ireq->i_val = vap->iv_def_txkey; 836 break; 837 case IEEE80211_IOC_AUTHMODE: 838 if (vap->iv_flags & IEEE80211_F_WPA) 839 ireq->i_val = IEEE80211_AUTH_WPA; 840 else 841 ireq->i_val = vap->iv_bss->ni_authmode; 842 break; 843 case IEEE80211_IOC_CHANNEL: 844 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 845 break; 846 case IEEE80211_IOC_POWERSAVE: 847 if (vap->iv_flags & IEEE80211_F_PMGTON) 848 ireq->i_val = IEEE80211_POWERSAVE_ON; 849 else 850 ireq->i_val = IEEE80211_POWERSAVE_OFF; 851 break; 852 case IEEE80211_IOC_POWERSAVESLEEP: 853 ireq->i_val = ic->ic_lintval; 854 break; 855 case IEEE80211_IOC_RTSTHRESHOLD: 856 ireq->i_val = vap->iv_rtsthreshold; 857 break; 858 case IEEE80211_IOC_PROTMODE: 859 ireq->i_val = vap->iv_protmode; 860 break; 861 case IEEE80211_IOC_TXPOWER: 862 /* 863 * Tx power limit is the min of max regulatory 864 * power, any user-set limit, and the max the 865 * radio can do. 866 * 867 * TODO: methodize this 868 */ 869 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; 870 if (ireq->i_val > ic->ic_txpowlimit) 871 ireq->i_val = ic->ic_txpowlimit; 872 if (ireq->i_val > ic->ic_curchan->ic_maxpower) 873 ireq->i_val = ic->ic_curchan->ic_maxpower; 874 break; 875 case IEEE80211_IOC_WPA: 876 switch (vap->iv_flags & IEEE80211_F_WPA) { 877 case IEEE80211_F_WPA1: 878 ireq->i_val = 1; 879 break; 880 case IEEE80211_F_WPA2: 881 ireq->i_val = 2; 882 break; 883 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 884 ireq->i_val = 3; 885 break; 886 default: 887 ireq->i_val = 0; 888 break; 889 } 890 break; 891 case IEEE80211_IOC_CHANLIST: 892 error = ieee80211_ioctl_getchanlist(vap, ireq); 893 break; 894 case IEEE80211_IOC_ROAMING: 895 ireq->i_val = vap->iv_roaming; 896 break; 897 case IEEE80211_IOC_PRIVACY: 898 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; 899 break; 900 case IEEE80211_IOC_DROPUNENCRYPTED: 901 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; 902 break; 903 case IEEE80211_IOC_COUNTERMEASURES: 904 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; 905 break; 906 case IEEE80211_IOC_WME: 907 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; 908 break; 909 case IEEE80211_IOC_HIDESSID: 910 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; 911 break; 912 case IEEE80211_IOC_APBRIDGE: 913 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; 914 break; 915 case IEEE80211_IOC_WPAKEY: 916 error = ieee80211_ioctl_getkey(cmd, vap, ireq); 917 break; 918 case IEEE80211_IOC_CHANINFO: 919 error = ieee80211_ioctl_getchaninfo(vap, ireq); 920 break; 921 case IEEE80211_IOC_BSSID: 922 if (ireq->i_len != IEEE80211_ADDR_LEN) 923 return EINVAL; 924 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) { 925 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ? 926 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid, 927 ireq->i_data, ireq->i_len); 928 } else 929 error = copyout(vap->iv_des_bssid, ireq->i_data, 930 ireq->i_len); 931 break; 932 case IEEE80211_IOC_WPAIE: 933 case IEEE80211_IOC_WPAIE2: 934 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 935 break; 936 case IEEE80211_IOC_SCAN_RESULTS: 937 error = ieee80211_ioctl_getscanresults(vap, ireq); 938 break; 939 case IEEE80211_IOC_STA_STATS: 940 error = ieee80211_ioctl_getstastats(vap, ireq); 941 break; 942 case IEEE80211_IOC_TXPOWMAX: 943 ireq->i_val = vap->iv_bss->ni_txpower; 944 break; 945 case IEEE80211_IOC_STA_TXPOW: 946 error = ieee80211_ioctl_getstatxpow(vap, ireq); 947 break; 948 case IEEE80211_IOC_STA_INFO: 949 error = ieee80211_ioctl_getstainfo(vap, ireq); 950 break; 951 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 952 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 953 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 954 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 955 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 956 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 957 error = ieee80211_ioctl_getwmeparam(vap, ireq); 958 break; 959 case IEEE80211_IOC_DTIM_PERIOD: 960 ireq->i_val = vap->iv_dtim_period; 961 break; 962 case IEEE80211_IOC_BEACON_INTERVAL: 963 /* NB: get from ic_bss for station mode */ 964 ireq->i_val = vap->iv_bss->ni_intval; 965 break; 966 case IEEE80211_IOC_PUREG: 967 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; 968 break; 969 case IEEE80211_IOC_QUIET: 970 ireq->i_val = vap->iv_quiet; 971 break; 972 case IEEE80211_IOC_QUIET_COUNT: 973 ireq->i_val = vap->iv_quiet_count; 974 break; 975 case IEEE80211_IOC_QUIET_PERIOD: 976 ireq->i_val = vap->iv_quiet_period; 977 break; 978 case IEEE80211_IOC_QUIET_DUR: 979 ireq->i_val = vap->iv_quiet_duration; 980 break; 981 case IEEE80211_IOC_QUIET_OFFSET: 982 ireq->i_val = vap->iv_quiet_offset; 983 break; 984 case IEEE80211_IOC_BGSCAN: 985 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 986 break; 987 case IEEE80211_IOC_BGSCAN_IDLE: 988 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 989 break; 990 case IEEE80211_IOC_BGSCAN_INTERVAL: 991 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 992 break; 993 case IEEE80211_IOC_SCANVALID: 994 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 995 break; 996 case IEEE80211_IOC_FRAGTHRESHOLD: 997 ireq->i_val = vap->iv_fragthreshold; 998 break; 999 case IEEE80211_IOC_MACCMD: 1000 error = ieee80211_ioctl_getmaccmd(vap, ireq); 1001 break; 1002 case IEEE80211_IOC_BURST: 1003 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 1004 break; 1005 case IEEE80211_IOC_BMISSTHRESHOLD: 1006 ireq->i_val = vap->iv_bmissthreshold; 1007 break; 1008 case IEEE80211_IOC_CURCHAN: 1009 error = ieee80211_ioctl_getcurchan(vap, ireq); 1010 break; 1011 case IEEE80211_IOC_SHORTGI: 1012 ireq->i_val = 0; 1013 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) 1014 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 1015 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) 1016 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 1017 break; 1018 case IEEE80211_IOC_AMPDU: 1019 ireq->i_val = 0; 1020 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) 1021 ireq->i_val |= 1; 1022 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) 1023 ireq->i_val |= 2; 1024 break; 1025 case IEEE80211_IOC_AMPDU_LIMIT: 1026 /* XXX TODO: make this a per-node thing; and leave this as global */ 1027 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1028 ireq->i_val = vap->iv_ampdu_rxmax; 1029 else if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 1030 /* 1031 * XXX TODO: this isn't completely correct, as we've 1032 * negotiated the higher of the two. 1033 */ 1034 ireq->i_val = _IEEE80211_MASKSHIFT( vap->iv_bss->ni_htparam, 1035 IEEE80211_HTCAP_MAXRXAMPDU); 1036 else 1037 ireq->i_val = vap->iv_ampdu_limit; 1038 break; 1039 case IEEE80211_IOC_AMPDU_DENSITY: 1040 /* XXX TODO: make this a per-node thing; and leave this as global */ 1041 if (vap->iv_opmode == IEEE80211_M_STA && 1042 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1043 /* 1044 * XXX TODO: this isn't completely correct, as we've 1045 * negotiated the higher of the two. 1046 */ 1047 ireq->i_val = _IEEE80211_MASKSHIFT(vap->iv_bss->ni_htparam, 1048 IEEE80211_HTCAP_MPDUDENSITY); 1049 else 1050 ireq->i_val = vap->iv_ampdu_density; 1051 break; 1052 case IEEE80211_IOC_AMSDU: 1053 ireq->i_val = 0; 1054 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) 1055 ireq->i_val |= 1; 1056 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) 1057 ireq->i_val |= 2; 1058 break; 1059 case IEEE80211_IOC_AMSDU_LIMIT: 1060 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1061 break; 1062 case IEEE80211_IOC_PUREN: 1063 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; 1064 break; 1065 case IEEE80211_IOC_DOTH: 1066 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1067 break; 1068 case IEEE80211_IOC_REGDOMAIN: 1069 error = ieee80211_ioctl_getregdomain(vap, ireq); 1070 break; 1071 case IEEE80211_IOC_ROAM: 1072 error = ieee80211_ioctl_getroam(vap, ireq); 1073 break; 1074 case IEEE80211_IOC_TXPARAMS: 1075 error = ieee80211_ioctl_gettxparams(vap, ireq); 1076 break; 1077 case IEEE80211_IOC_HTCOMPAT: 1078 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; 1079 break; 1080 case IEEE80211_IOC_DWDS: 1081 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1082 break; 1083 case IEEE80211_IOC_INACTIVITY: 1084 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1085 break; 1086 case IEEE80211_IOC_APPIE: 1087 error = ieee80211_ioctl_getappie(vap, ireq); 1088 break; 1089 case IEEE80211_IOC_WPS: 1090 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1091 break; 1092 case IEEE80211_IOC_TSN: 1093 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1094 break; 1095 case IEEE80211_IOC_DFS: 1096 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1097 break; 1098 case IEEE80211_IOC_DOTD: 1099 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1100 break; 1101 case IEEE80211_IOC_DEVCAPS: 1102 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1103 break; 1104 case IEEE80211_IOC_HTPROTMODE: 1105 ireq->i_val = vap->iv_htprotmode; 1106 break; 1107 case IEEE80211_IOC_HTCONF: 1108 if (vap->iv_flags_ht & IEEE80211_FHT_HT) { 1109 ireq->i_val = 1; 1110 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) 1111 ireq->i_val |= 2; 1112 } else 1113 ireq->i_val = 0; 1114 break; 1115 case IEEE80211_IOC_STA_VLAN: 1116 error = ieee80211_ioctl_getstavlan(vap, ireq); 1117 break; 1118 case IEEE80211_IOC_SMPS: 1119 if (vap->iv_opmode == IEEE80211_M_STA && 1120 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) { 1121 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1122 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1123 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1124 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1125 else 1126 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1127 } else 1128 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1129 break; 1130 case IEEE80211_IOC_RIFS: 1131 if (vap->iv_opmode == IEEE80211_M_STA && 1132 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1133 ireq->i_val = 1134 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1135 else 1136 ireq->i_val = 1137 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; 1138 break; 1139 case IEEE80211_IOC_STBC: 1140 ireq->i_val = 0; 1141 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_TX) 1142 ireq->i_val |= 1; 1143 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_RX) 1144 ireq->i_val |= 2; 1145 break; 1146 case IEEE80211_IOC_LDPC: 1147 ireq->i_val = 0; 1148 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_TX) 1149 ireq->i_val |= 1; 1150 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_RX) 1151 ireq->i_val |= 2; 1152 break; 1153 case IEEE80211_IOC_UAPSD: 1154 ireq->i_val = 0; 1155 if (vap->iv_flags_ext & IEEE80211_FEXT_UAPSD) 1156 ireq->i_val = 1; 1157 break; 1158 case IEEE80211_IOC_VHTCONF: 1159 ireq->i_val = vap->iv_vht_flags & IEEE80211_FVHT_MASK; 1160 break; 1161 default: 1162 error = ieee80211_ioctl_getdefault(vap, ireq); 1163 break; 1164 } 1165 return error; 1166 } 1167 1168 static int 1169 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1170 { 1171 struct ieee80211req_key ik; 1172 struct ieee80211_node *ni; 1173 struct ieee80211_key *wk; 1174 uint16_t kid; 1175 int error, i; 1176 1177 if (ireq->i_len != sizeof(ik)) 1178 return EINVAL; 1179 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1180 if (error) 1181 return error; 1182 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1183 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1184 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1185 return E2BIG; 1186 kid = ik.ik_keyix; 1187 if (kid == IEEE80211_KEYIX_NONE) { 1188 /* XXX unicast keys currently must be tx/rx */ 1189 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1190 return EINVAL; 1191 if (vap->iv_opmode == IEEE80211_M_STA) { 1192 ni = ieee80211_ref_node(vap->iv_bss); 1193 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1194 ieee80211_free_node(ni); 1195 return EADDRNOTAVAIL; 1196 } 1197 } else { 1198 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1199 ik.ik_macaddr); 1200 if (ni == NULL) 1201 return ENOENT; 1202 } 1203 wk = &ni->ni_ucastkey; 1204 } else { 1205 if (kid >= IEEE80211_WEP_NKID) 1206 return EINVAL; 1207 wk = &vap->iv_nw_keys[kid]; 1208 /* 1209 * Global slots start off w/o any assigned key index. 1210 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1211 */ 1212 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1213 wk->wk_keyix = kid; 1214 ni = NULL; 1215 } 1216 error = 0; 1217 ieee80211_key_update_begin(vap); 1218 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1219 wk->wk_keylen = ik.ik_keylen; 1220 /* NB: MIC presence is implied by cipher type */ 1221 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1222 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1223 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1224 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1225 wk->wk_keytsc = 0; /* new key, reset */ 1226 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1227 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1228 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1229 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1230 if (!ieee80211_crypto_setkey(vap, wk)) 1231 error = EIO; 1232 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1233 /* 1234 * Inform the driver that this is the default 1235 * transmit key. Now, ideally we'd just set 1236 * a flag in the key update that would 1237 * say "yes, we're the default key", but 1238 * that currently isn't the way the ioctl -> 1239 * key interface works. 1240 */ 1241 ieee80211_crypto_set_deftxkey(vap, kid); 1242 } else 1243 error = ENXIO; 1244 ieee80211_key_update_end(vap); 1245 if (ni != NULL) 1246 ieee80211_free_node(ni); 1247 return error; 1248 } 1249 1250 static int 1251 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1252 { 1253 struct ieee80211req_del_key dk; 1254 int kid, error; 1255 1256 if (ireq->i_len != sizeof(dk)) 1257 return EINVAL; 1258 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1259 if (error) 1260 return error; 1261 kid = dk.idk_keyix; 1262 /* XXX uint8_t -> uint16_t */ 1263 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1264 struct ieee80211_node *ni; 1265 1266 if (vap->iv_opmode == IEEE80211_M_STA) { 1267 ni = ieee80211_ref_node(vap->iv_bss); 1268 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1269 ieee80211_free_node(ni); 1270 return EADDRNOTAVAIL; 1271 } 1272 } else { 1273 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1274 dk.idk_macaddr); 1275 if (ni == NULL) 1276 return ENOENT; 1277 } 1278 /* XXX error return */ 1279 ieee80211_node_delucastkey(ni); 1280 ieee80211_free_node(ni); 1281 } else { 1282 if (kid >= IEEE80211_WEP_NKID) 1283 return EINVAL; 1284 /* XXX error return */ 1285 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1286 } 1287 return 0; 1288 } 1289 1290 struct mlmeop { 1291 struct ieee80211vap *vap; 1292 int op; 1293 int reason; 1294 }; 1295 1296 static void 1297 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1298 int op, int reason) 1299 { 1300 #ifdef IEEE80211_DEBUG 1301 static const struct { 1302 int mask; 1303 const char *opstr; 1304 } ops[] = { 1305 { 0, "op#0" }, 1306 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1307 IEEE80211_MSG_ASSOC, "assoc" }, 1308 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1309 IEEE80211_MSG_ASSOC, "disassoc" }, 1310 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1311 IEEE80211_MSG_AUTH, "deauth" }, 1312 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1313 IEEE80211_MSG_AUTH, "authorize" }, 1314 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1315 IEEE80211_MSG_AUTH, "unauthorize" }, 1316 }; 1317 1318 if (op == IEEE80211_MLME_AUTH) { 1319 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1320 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1321 "station authenticate %s via MLME (reason: %d (%s))", 1322 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1323 reason, ieee80211_reason_to_string(reason)); 1324 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1325 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1326 "unknown MLME request %d (reason: %d (%s))", op, reason, 1327 ieee80211_reason_to_string(reason)); 1328 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1329 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1330 "station %s via MLME", ops[op].opstr); 1331 } else { 1332 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1333 "station %s via MLME (reason: %d (%s))", ops[op].opstr, 1334 reason, ieee80211_reason_to_string(reason)); 1335 } 1336 #endif /* IEEE80211_DEBUG */ 1337 } 1338 1339 static void 1340 domlme(void *arg, struct ieee80211_node *ni) 1341 { 1342 struct mlmeop *mop = arg; 1343 struct ieee80211vap *vap = ni->ni_vap; 1344 1345 if (vap != mop->vap) 1346 return; 1347 /* 1348 * NB: if ni_associd is zero then the node is already cleaned 1349 * up and we don't need to do this (we're safely holding a 1350 * reference but should otherwise not modify it's state). 1351 */ 1352 if (ni->ni_associd == 0) 1353 return; 1354 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1355 if (mop->op == IEEE80211_MLME_DEAUTH) { 1356 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1357 mop->reason); 1358 } else { 1359 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1360 mop->reason); 1361 } 1362 ieee80211_node_leave(ni); 1363 } 1364 1365 static int 1366 setmlme_dropsta(struct ieee80211vap *vap, 1367 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1368 { 1369 struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta; 1370 struct ieee80211_node *ni; 1371 int error = 0; 1372 1373 /* NB: the broadcast address means do 'em all */ 1374 if (!IEEE80211_ADDR_EQ(mac, vap->iv_ifp->if_broadcastaddr)) { 1375 IEEE80211_NODE_LOCK(nt); 1376 ni = ieee80211_find_node_locked(nt, mac); 1377 IEEE80211_NODE_UNLOCK(nt); 1378 /* 1379 * Don't do the node update inside the node 1380 * table lock. This unfortunately causes LORs 1381 * with drivers and their TX paths. 1382 */ 1383 if (ni != NULL) { 1384 domlme(mlmeop, ni); 1385 ieee80211_free_node(ni); 1386 } else 1387 error = ENOENT; 1388 } else { 1389 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1390 } 1391 return error; 1392 } 1393 1394 static int 1395 setmlme_common(struct ieee80211vap *vap, int op, 1396 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1397 { 1398 struct ieee80211com *ic = vap->iv_ic; 1399 struct ieee80211_node_table *nt = &ic->ic_sta; 1400 struct ieee80211_node *ni; 1401 struct mlmeop mlmeop; 1402 int error; 1403 1404 error = 0; 1405 switch (op) { 1406 case IEEE80211_MLME_DISASSOC: 1407 case IEEE80211_MLME_DEAUTH: 1408 switch (vap->iv_opmode) { 1409 case IEEE80211_M_STA: 1410 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1411 /* XXX not quite right */ 1412 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1413 break; 1414 case IEEE80211_M_HOSTAP: 1415 mlmeop.vap = vap; 1416 mlmeop.op = op; 1417 mlmeop.reason = reason; 1418 error = setmlme_dropsta(vap, mac, &mlmeop); 1419 break; 1420 case IEEE80211_M_WDS: 1421 /* XXX user app should send raw frame? */ 1422 if (op != IEEE80211_MLME_DEAUTH) { 1423 error = EINVAL; 1424 break; 1425 } 1426 #if 0 1427 /* XXX accept any address, simplifies user code */ 1428 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1429 error = EINVAL; 1430 break; 1431 } 1432 #endif 1433 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1434 ni = ieee80211_ref_node(vap->iv_bss); 1435 IEEE80211_SEND_MGMT(ni, 1436 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1437 ieee80211_free_node(ni); 1438 break; 1439 case IEEE80211_M_MBSS: 1440 IEEE80211_NODE_LOCK(nt); 1441 ni = ieee80211_find_node_locked(nt, mac); 1442 /* 1443 * Don't do the node update inside the node 1444 * table lock. This unfortunately causes LORs 1445 * with drivers and their TX paths. 1446 */ 1447 IEEE80211_NODE_UNLOCK(nt); 1448 if (ni != NULL) { 1449 ieee80211_node_leave(ni); 1450 ieee80211_free_node(ni); 1451 } else { 1452 error = ENOENT; 1453 } 1454 break; 1455 default: 1456 error = EINVAL; 1457 break; 1458 } 1459 break; 1460 case IEEE80211_MLME_AUTHORIZE: 1461 case IEEE80211_MLME_UNAUTHORIZE: 1462 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1463 vap->iv_opmode != IEEE80211_M_WDS) { 1464 error = EINVAL; 1465 break; 1466 } 1467 IEEE80211_NODE_LOCK(nt); 1468 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1469 /* 1470 * Don't do the node update inside the node 1471 * table lock. This unfortunately causes LORs 1472 * with drivers and their TX paths. 1473 */ 1474 IEEE80211_NODE_UNLOCK(nt); 1475 if (ni != NULL) { 1476 mlmedebug(vap, mac, op, reason); 1477 if (op == IEEE80211_MLME_AUTHORIZE) 1478 ieee80211_node_authorize(ni); 1479 else 1480 ieee80211_node_unauthorize(ni); 1481 ieee80211_free_node(ni); 1482 } else 1483 error = ENOENT; 1484 break; 1485 case IEEE80211_MLME_AUTH: 1486 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1487 error = EINVAL; 1488 break; 1489 } 1490 IEEE80211_NODE_LOCK(nt); 1491 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1492 /* 1493 * Don't do the node update inside the node 1494 * table lock. This unfortunately causes LORs 1495 * with drivers and their TX paths. 1496 */ 1497 IEEE80211_NODE_UNLOCK(nt); 1498 if (ni != NULL) { 1499 mlmedebug(vap, mac, op, reason); 1500 if (reason == IEEE80211_STATUS_SUCCESS) { 1501 IEEE80211_SEND_MGMT(ni, 1502 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1503 /* 1504 * For shared key auth, just continue the 1505 * exchange. Otherwise when 802.1x is not in 1506 * use mark the port authorized at this point 1507 * so traffic can flow. 1508 */ 1509 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1510 ni->ni_challenge == NULL) 1511 ieee80211_node_authorize(ni); 1512 } else { 1513 vap->iv_stats.is_rx_acl++; 1514 ieee80211_send_error(ni, ni->ni_macaddr, 1515 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1516 ieee80211_node_leave(ni); 1517 } 1518 ieee80211_free_node(ni); 1519 } else 1520 error = ENOENT; 1521 break; 1522 default: 1523 error = EINVAL; 1524 break; 1525 } 1526 return error; 1527 } 1528 1529 struct scanlookup { 1530 const uint8_t *mac; 1531 int esslen; 1532 const uint8_t *essid; 1533 const struct ieee80211_scan_entry *se; 1534 }; 1535 1536 /* 1537 * Match mac address and any ssid. 1538 */ 1539 static void 1540 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1541 { 1542 struct scanlookup *look = arg; 1543 1544 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1545 return; 1546 if (look->esslen != 0) { 1547 if (se->se_ssid[1] != look->esslen) 1548 return; 1549 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1550 return; 1551 } 1552 look->se = se; 1553 } 1554 1555 static int 1556 setmlme_assoc_sta(struct ieee80211vap *vap, 1557 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1558 const uint8_t ssid[IEEE80211_NWID_LEN]) 1559 { 1560 struct scanlookup lookup; 1561 1562 KASSERT(vap->iv_opmode == IEEE80211_M_STA, 1563 ("expected opmode STA not %s", 1564 ieee80211_opmode_name[vap->iv_opmode])); 1565 1566 /* NB: this is racey if roaming is !manual */ 1567 lookup.se = NULL; 1568 lookup.mac = mac; 1569 lookup.esslen = ssid_len; 1570 lookup.essid = ssid; 1571 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1572 if (lookup.se == NULL) 1573 return ENOENT; 1574 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1575 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1576 return EIO; /* XXX unique but could be better */ 1577 return 0; 1578 } 1579 1580 static int 1581 setmlme_assoc_adhoc(struct ieee80211vap *vap, 1582 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1583 const uint8_t ssid[IEEE80211_NWID_LEN]) 1584 { 1585 struct ieee80211_scan_req *sr; 1586 int error; 1587 1588 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS || 1589 vap->iv_opmode == IEEE80211_M_AHDEMO, 1590 ("expected opmode IBSS or AHDEMO not %s", 1591 ieee80211_opmode_name[vap->iv_opmode])); 1592 1593 if (ssid_len == 0 || ssid_len > IEEE80211_NWID_LEN) 1594 return EINVAL; 1595 1596 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 1597 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1598 if (sr == NULL) 1599 return ENOMEM; 1600 1601 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */ 1602 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 1603 vap->iv_des_ssid[0].len = ssid_len; 1604 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len); 1605 vap->iv_des_nssid = 1; 1606 1607 sr->sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE; 1608 sr->sr_duration = IEEE80211_IOC_SCAN_FOREVER; 1609 memcpy(sr->sr_ssid[0].ssid, ssid, ssid_len); 1610 sr->sr_ssid[0].len = ssid_len; 1611 sr->sr_nssid = 1; 1612 1613 error = ieee80211_scanreq(vap, sr); 1614 1615 IEEE80211_FREE(sr, M_TEMP); 1616 return error; 1617 } 1618 1619 static int 1620 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1621 { 1622 struct ieee80211req_mlme mlme; 1623 int error; 1624 1625 if (ireq->i_len != sizeof(mlme)) 1626 return EINVAL; 1627 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1628 if (error) 1629 return error; 1630 if (vap->iv_opmode == IEEE80211_M_STA && 1631 mlme.im_op == IEEE80211_MLME_ASSOC) 1632 return setmlme_assoc_sta(vap, mlme.im_macaddr, 1633 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1634 else if ((vap->iv_opmode == IEEE80211_M_IBSS || 1635 vap->iv_opmode == IEEE80211_M_AHDEMO) && 1636 mlme.im_op == IEEE80211_MLME_ASSOC) 1637 return setmlme_assoc_adhoc(vap, mlme.im_macaddr, 1638 mlme.im_ssid_len, mlme.im_ssid); 1639 else 1640 return setmlme_common(vap, mlme.im_op, 1641 mlme.im_macaddr, mlme.im_reason); 1642 } 1643 1644 static int 1645 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1646 { 1647 uint8_t mac[IEEE80211_ADDR_LEN]; 1648 const struct ieee80211_aclator *acl = vap->iv_acl; 1649 int error; 1650 1651 if (ireq->i_len != sizeof(mac)) 1652 return EINVAL; 1653 error = copyin(ireq->i_data, mac, ireq->i_len); 1654 if (error) 1655 return error; 1656 if (acl == NULL) { 1657 acl = ieee80211_aclator_get("mac"); 1658 if (acl == NULL || !acl->iac_attach(vap)) 1659 return EINVAL; 1660 vap->iv_acl = acl; 1661 } 1662 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1663 acl->iac_add(vap, mac); 1664 else 1665 acl->iac_remove(vap, mac); 1666 return 0; 1667 } 1668 1669 static int 1670 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1671 { 1672 const struct ieee80211_aclator *acl = vap->iv_acl; 1673 1674 switch (ireq->i_val) { 1675 case IEEE80211_MACCMD_POLICY_OPEN: 1676 case IEEE80211_MACCMD_POLICY_ALLOW: 1677 case IEEE80211_MACCMD_POLICY_DENY: 1678 case IEEE80211_MACCMD_POLICY_RADIUS: 1679 if (acl == NULL) { 1680 acl = ieee80211_aclator_get("mac"); 1681 if (acl == NULL || !acl->iac_attach(vap)) 1682 return EINVAL; 1683 vap->iv_acl = acl; 1684 } 1685 acl->iac_setpolicy(vap, ireq->i_val); 1686 break; 1687 case IEEE80211_MACCMD_FLUSH: 1688 if (acl != NULL) 1689 acl->iac_flush(vap); 1690 /* NB: silently ignore when not in use */ 1691 break; 1692 case IEEE80211_MACCMD_DETACH: 1693 if (acl != NULL) { 1694 vap->iv_acl = NULL; 1695 acl->iac_detach(vap); 1696 } 1697 break; 1698 default: 1699 if (acl == NULL) 1700 return EINVAL; 1701 else 1702 return acl->iac_setioctl(vap, ireq); 1703 } 1704 return 0; 1705 } 1706 1707 static int 1708 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1709 { 1710 struct ieee80211com *ic = vap->iv_ic; 1711 uint8_t *chanlist, *list; 1712 int i, nchan, maxchan, error; 1713 1714 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1715 ireq->i_len = sizeof(ic->ic_chan_active); 1716 list = IEEE80211_MALLOC(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1717 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1718 if (list == NULL) 1719 return ENOMEM; 1720 error = copyin(ireq->i_data, list, ireq->i_len); 1721 if (error) { 1722 IEEE80211_FREE(list, M_TEMP); 1723 return error; 1724 } 1725 nchan = 0; 1726 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1727 maxchan = ireq->i_len * NBBY; 1728 for (i = 0; i < ic->ic_nchans; i++) { 1729 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1730 /* 1731 * Calculate the intersection of the user list and the 1732 * available channels so users can do things like specify 1733 * 1-255 to get all available channels. 1734 */ 1735 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1736 setbit(chanlist, c->ic_ieee); 1737 nchan++; 1738 } 1739 } 1740 if (nchan == 0) { 1741 IEEE80211_FREE(list, M_TEMP); 1742 return EINVAL; 1743 } 1744 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1745 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1746 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1747 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1748 ieee80211_scan_flush(vap); 1749 IEEE80211_FREE(list, M_TEMP); 1750 return ENETRESET; 1751 } 1752 1753 static int 1754 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1755 { 1756 struct ieee80211_node *ni; 1757 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1758 int error; 1759 1760 /* 1761 * NB: we could copyin ieee80211req_sta_stats so apps 1762 * could make selective changes but that's overkill; 1763 * just clear all stats for now. 1764 */ 1765 if (ireq->i_len < IEEE80211_ADDR_LEN) 1766 return EINVAL; 1767 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1768 if (error != 0) 1769 return error; 1770 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1771 if (ni == NULL) 1772 return ENOENT; 1773 /* XXX require ni_vap == vap? */ 1774 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1775 ieee80211_free_node(ni); 1776 return 0; 1777 } 1778 1779 static int 1780 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1781 { 1782 struct ieee80211_node *ni; 1783 struct ieee80211req_sta_txpow txpow; 1784 int error; 1785 1786 if (ireq->i_len != sizeof(txpow)) 1787 return EINVAL; 1788 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1789 if (error != 0) 1790 return error; 1791 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1792 if (ni == NULL) 1793 return ENOENT; 1794 ni->ni_txpower = txpow.it_txpow; 1795 ieee80211_free_node(ni); 1796 return error; 1797 } 1798 1799 static int 1800 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1801 { 1802 struct ieee80211com *ic = vap->iv_ic; 1803 struct ieee80211_wme_state *wme = &ic->ic_wme; 1804 struct wmeParams *wmep, *chanp; 1805 int isbss, ac, aggrmode; 1806 1807 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1808 return EOPNOTSUPP; 1809 1810 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1811 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1812 aggrmode = (wme->wme_flags & WME_F_AGGRMODE); 1813 if (ac >= WME_NUM_AC) 1814 ac = WME_AC_BE; 1815 if (isbss) { 1816 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1817 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1818 } else { 1819 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1820 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1821 } 1822 switch (ireq->i_type) { 1823 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1824 wmep->wmep_logcwmin = ireq->i_val; 1825 if (!isbss || !aggrmode) 1826 chanp->wmep_logcwmin = ireq->i_val; 1827 break; 1828 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1829 wmep->wmep_logcwmax = ireq->i_val; 1830 if (!isbss || !aggrmode) 1831 chanp->wmep_logcwmax = ireq->i_val; 1832 break; 1833 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1834 wmep->wmep_aifsn = ireq->i_val; 1835 if (!isbss || !aggrmode) 1836 chanp->wmep_aifsn = ireq->i_val; 1837 break; 1838 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1839 wmep->wmep_txopLimit = ireq->i_val; 1840 if (!isbss || !aggrmode) 1841 chanp->wmep_txopLimit = ireq->i_val; 1842 break; 1843 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1844 wmep->wmep_acm = ireq->i_val; 1845 if (!aggrmode) 1846 chanp->wmep_acm = ireq->i_val; 1847 break; 1848 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1849 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1850 (ireq->i_val) == 0; 1851 break; 1852 } 1853 ieee80211_wme_updateparams(vap); 1854 return 0; 1855 } 1856 1857 static int 1858 find11gchannel(struct ieee80211com *ic, int start, int freq) 1859 { 1860 const struct ieee80211_channel *c; 1861 int i; 1862 1863 for (i = start+1; i < ic->ic_nchans; i++) { 1864 c = &ic->ic_channels[i]; 1865 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1866 return 1; 1867 } 1868 /* NB: should not be needed but in case things are mis-sorted */ 1869 for (i = 0; i < start; i++) { 1870 c = &ic->ic_channels[i]; 1871 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1872 return 1; 1873 } 1874 return 0; 1875 } 1876 1877 static struct ieee80211_channel * 1878 findchannel(struct ieee80211com *ic, int ieee, int mode) 1879 { 1880 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1881 [IEEE80211_MODE_AUTO] = 0, 1882 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1883 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1884 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1885 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1886 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1887 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1888 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1889 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1890 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1891 /* NB: handled specially below */ 1892 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1893 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1894 [IEEE80211_MODE_VHT_5GHZ] = IEEE80211_CHAN_A, 1895 [IEEE80211_MODE_VHT_2GHZ] = IEEE80211_CHAN_G, 1896 }; 1897 u_int modeflags; 1898 int i; 1899 1900 modeflags = chanflags[mode]; 1901 for (i = 0; i < ic->ic_nchans; i++) { 1902 struct ieee80211_channel *c = &ic->ic_channels[i]; 1903 1904 if (c->ic_ieee != ieee) 1905 continue; 1906 if (mode == IEEE80211_MODE_AUTO) { 1907 /* ignore turbo channels for autoselect */ 1908 if (IEEE80211_IS_CHAN_TURBO(c)) 1909 continue; 1910 /* 1911 * XXX special-case 11b/g channels so we 1912 * always select the g channel if both 1913 * are present. 1914 * XXX prefer HT to non-HT? 1915 */ 1916 if (!IEEE80211_IS_CHAN_B(c) || 1917 !find11gchannel(ic, i, c->ic_freq)) 1918 return c; 1919 } else { 1920 /* must check VHT specifically */ 1921 if ((mode == IEEE80211_MODE_VHT_5GHZ || 1922 mode == IEEE80211_MODE_VHT_2GHZ) && 1923 !IEEE80211_IS_CHAN_VHT(c)) 1924 continue; 1925 1926 /* 1927 * Must check HT specially - only match on HT, 1928 * not HT+VHT channels 1929 */ 1930 if ((mode == IEEE80211_MODE_11NA || 1931 mode == IEEE80211_MODE_11NG) && 1932 !IEEE80211_IS_CHAN_HT(c)) 1933 continue; 1934 1935 if ((mode == IEEE80211_MODE_11NA || 1936 mode == IEEE80211_MODE_11NG) && 1937 IEEE80211_IS_CHAN_VHT(c)) 1938 continue; 1939 1940 /* Check that the modeflags above match */ 1941 if ((c->ic_flags & modeflags) == modeflags) 1942 return c; 1943 } 1944 } 1945 return NULL; 1946 } 1947 1948 /* 1949 * Check the specified against any desired mode (aka netband). 1950 * This is only used (presently) when operating in hostap mode 1951 * to enforce consistency. 1952 */ 1953 static int 1954 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1955 { 1956 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1957 1958 switch (mode) { 1959 case IEEE80211_MODE_11B: 1960 return (IEEE80211_IS_CHAN_B(c)); 1961 case IEEE80211_MODE_11G: 1962 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1963 case IEEE80211_MODE_11A: 1964 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1965 case IEEE80211_MODE_STURBO_A: 1966 return (IEEE80211_IS_CHAN_STURBO(c)); 1967 case IEEE80211_MODE_11NA: 1968 return (IEEE80211_IS_CHAN_HTA(c)); 1969 case IEEE80211_MODE_11NG: 1970 return (IEEE80211_IS_CHAN_HTG(c)); 1971 } 1972 return 1; 1973 1974 } 1975 1976 /* 1977 * Common code to set the current channel. If the device 1978 * is up and running this may result in an immediate channel 1979 * change or a kick of the state machine. 1980 */ 1981 static int 1982 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 1983 { 1984 struct ieee80211com *ic = vap->iv_ic; 1985 int error; 1986 1987 if (c != IEEE80211_CHAN_ANYC) { 1988 if (IEEE80211_IS_CHAN_RADAR(c)) 1989 return EBUSY; /* XXX better code? */ 1990 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 1991 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 1992 return EINVAL; 1993 if (!check_mode_consistency(c, vap->iv_des_mode)) 1994 return EINVAL; 1995 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 1996 if (IEEE80211_IS_CHAN_NOADHOC(c)) 1997 return EINVAL; 1998 } 1999 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) && 2000 vap->iv_bss->ni_chan == c) 2001 return 0; /* NB: nothing to do */ 2002 } 2003 vap->iv_des_chan = c; 2004 2005 error = 0; 2006 if (vap->iv_opmode == IEEE80211_M_MONITOR && 2007 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 2008 /* 2009 * Monitor mode can switch directly. 2010 */ 2011 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 2012 /* XXX need state machine for other vap's to follow */ 2013 ieee80211_setcurchan(ic, vap->iv_des_chan); 2014 vap->iv_bss->ni_chan = ic->ic_curchan; 2015 } else { 2016 ic->ic_curchan = vap->iv_des_chan; 2017 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 2018 } 2019 } else { 2020 /* 2021 * Need to go through the state machine in case we 2022 * need to reassociate or the like. The state machine 2023 * will pickup the desired channel and avoid scanning. 2024 */ 2025 if (IS_UP_AUTO(vap)) 2026 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2027 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 2028 /* 2029 * When not up+running and a real channel has 2030 * been specified fix the current channel so 2031 * there is immediate feedback; e.g. via ifconfig. 2032 */ 2033 ic->ic_curchan = vap->iv_des_chan; 2034 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 2035 } 2036 } 2037 return error; 2038 } 2039 2040 /* 2041 * Old api for setting the current channel; this is 2042 * deprecated because channel numbers are ambiguous. 2043 */ 2044 static int 2045 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 2046 const struct ieee80211req *ireq) 2047 { 2048 struct ieee80211com *ic = vap->iv_ic; 2049 struct ieee80211_channel *c; 2050 2051 /* XXX 0xffff overflows 16-bit signed */ 2052 if (ireq->i_val == 0 || 2053 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 2054 c = IEEE80211_CHAN_ANYC; 2055 } else { 2056 struct ieee80211_channel *c2; 2057 2058 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 2059 if (c == NULL) { 2060 c = findchannel(ic, ireq->i_val, 2061 IEEE80211_MODE_AUTO); 2062 if (c == NULL) 2063 return EINVAL; 2064 } 2065 2066 /* 2067 * Fine tune channel selection based on desired mode: 2068 * if 11b is requested, find the 11b version of any 2069 * 11g channel returned, 2070 * if static turbo, find the turbo version of any 2071 * 11a channel return, 2072 * if 11na is requested, find the ht version of any 2073 * 11a channel returned, 2074 * if 11ng is requested, find the ht version of any 2075 * 11g channel returned, 2076 * if 11ac is requested, find the 11ac version 2077 * of any 11a/11na channel returned, 2078 * (TBD) 11acg (2GHz VHT) 2079 * otherwise we should be ok with what we've got. 2080 */ 2081 switch (vap->iv_des_mode) { 2082 case IEEE80211_MODE_11B: 2083 if (IEEE80211_IS_CHAN_ANYG(c)) { 2084 c2 = findchannel(ic, ireq->i_val, 2085 IEEE80211_MODE_11B); 2086 /* NB: should not happen, =>'s 11g w/o 11b */ 2087 if (c2 != NULL) 2088 c = c2; 2089 } 2090 break; 2091 case IEEE80211_MODE_TURBO_A: 2092 if (IEEE80211_IS_CHAN_A(c)) { 2093 c2 = findchannel(ic, ireq->i_val, 2094 IEEE80211_MODE_TURBO_A); 2095 if (c2 != NULL) 2096 c = c2; 2097 } 2098 break; 2099 case IEEE80211_MODE_11NA: 2100 if (IEEE80211_IS_CHAN_A(c)) { 2101 c2 = findchannel(ic, ireq->i_val, 2102 IEEE80211_MODE_11NA); 2103 if (c2 != NULL) 2104 c = c2; 2105 } 2106 break; 2107 case IEEE80211_MODE_11NG: 2108 if (IEEE80211_IS_CHAN_ANYG(c)) { 2109 c2 = findchannel(ic, ireq->i_val, 2110 IEEE80211_MODE_11NG); 2111 if (c2 != NULL) 2112 c = c2; 2113 } 2114 break; 2115 case IEEE80211_MODE_VHT_2GHZ: 2116 printf("%s: TBD\n", __func__); 2117 break; 2118 case IEEE80211_MODE_VHT_5GHZ: 2119 if (IEEE80211_IS_CHAN_A(c)) { 2120 c2 = findchannel(ic, ireq->i_val, 2121 IEEE80211_MODE_VHT_5GHZ); 2122 if (c2 != NULL) 2123 c = c2; 2124 } 2125 break; 2126 default: /* NB: no static turboG */ 2127 break; 2128 } 2129 } 2130 return setcurchan(vap, c); 2131 } 2132 2133 /* 2134 * New/current api for setting the current channel; a complete 2135 * channel description is provide so there is no ambiguity in 2136 * identifying the channel. 2137 */ 2138 static int 2139 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 2140 const struct ieee80211req *ireq) 2141 { 2142 struct ieee80211com *ic = vap->iv_ic; 2143 struct ieee80211_channel chan, *c; 2144 int error; 2145 2146 if (ireq->i_len != sizeof(chan)) 2147 return EINVAL; 2148 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2149 if (error != 0) 2150 return error; 2151 2152 /* XXX 0xffff overflows 16-bit signed */ 2153 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2154 c = IEEE80211_CHAN_ANYC; 2155 } else { 2156 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2157 if (c == NULL) 2158 return EINVAL; 2159 } 2160 return setcurchan(vap, c); 2161 } 2162 2163 static int 2164 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2165 const struct ieee80211req *ireq) 2166 { 2167 struct ieee80211_regdomain_req *reg; 2168 int nchans, error; 2169 2170 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2171 sizeof(struct ieee80211_channel)); 2172 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2173 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2174 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2175 ireq->i_len, nchans); 2176 return EINVAL; 2177 } 2178 reg = (struct ieee80211_regdomain_req *) 2179 IEEE80211_MALLOC(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, 2180 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2181 if (reg == NULL) { 2182 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2183 "%s: no memory, nchans %d\n", __func__, nchans); 2184 return ENOMEM; 2185 } 2186 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2187 if (error == 0) { 2188 /* NB: validate inline channel count against storage size */ 2189 if (reg->chaninfo.ic_nchans != nchans) { 2190 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2191 "%s: chan cnt mismatch, %d != %d\n", __func__, 2192 reg->chaninfo.ic_nchans, nchans); 2193 error = EINVAL; 2194 } else 2195 error = ieee80211_setregdomain(vap, reg); 2196 } 2197 IEEE80211_FREE(reg, M_TEMP); 2198 2199 return (error == 0 ? ENETRESET : error); 2200 } 2201 2202 static int 2203 checkrate(const struct ieee80211_rateset *rs, int rate) 2204 { 2205 int i; 2206 2207 if (rate == IEEE80211_FIXED_RATE_NONE) 2208 return 1; 2209 for (i = 0; i < rs->rs_nrates; i++) 2210 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2211 return 1; 2212 return 0; 2213 } 2214 2215 static int 2216 checkmcs(const struct ieee80211_htrateset *rs, int mcs) 2217 { 2218 int rate_val = IEEE80211_RV(mcs); 2219 int i; 2220 2221 if (mcs == IEEE80211_FIXED_RATE_NONE) 2222 return 1; 2223 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2224 return 0; 2225 for (i = 0; i < rs->rs_nrates; i++) 2226 if (IEEE80211_RV(rs->rs_rates[i]) == rate_val) 2227 return 1; 2228 return 0; 2229 } 2230 2231 static int 2232 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2233 const struct ieee80211req *ireq) 2234 { 2235 struct ieee80211com *ic = vap->iv_ic; 2236 struct ieee80211_roamparams_req *parms; 2237 struct ieee80211_roamparam *src, *dst; 2238 const struct ieee80211_htrateset *rs_ht; 2239 const struct ieee80211_rateset *rs; 2240 int changed, error, mode, is11n, nmodes; 2241 2242 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2243 return EINVAL; 2244 2245 parms = IEEE80211_MALLOC(sizeof(*parms), M_TEMP, 2246 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2247 if (parms == NULL) 2248 return ENOMEM; 2249 2250 error = copyin(ireq->i_data, parms, ireq->i_len); 2251 if (error != 0) 2252 goto fail; 2253 2254 changed = 0; 2255 nmodes = IEEE80211_MODE_MAX; 2256 2257 /* validate parameters and check if anything changed */ 2258 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2259 if (isclr(ic->ic_modecaps, mode)) 2260 continue; 2261 src = &parms->params[mode]; 2262 dst = &vap->iv_roamparms[mode]; 2263 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2264 rs_ht = &ic->ic_sup_htrates; 2265 is11n = (mode == IEEE80211_MODE_11NA || 2266 mode == IEEE80211_MODE_11NG); 2267 /* XXX TODO: 11ac */ 2268 if (src->rate != dst->rate) { 2269 if (!checkrate(rs, src->rate) && 2270 (!is11n || !checkmcs(rs_ht, src->rate))) { 2271 error = EINVAL; 2272 goto fail; 2273 } 2274 changed++; 2275 } 2276 if (src->rssi != dst->rssi) 2277 changed++; 2278 } 2279 if (changed) { 2280 /* 2281 * Copy new parameters in place and notify the 2282 * driver so it can push state to the device. 2283 */ 2284 /* XXX locking? */ 2285 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2286 if (isset(ic->ic_modecaps, mode)) 2287 vap->iv_roamparms[mode] = parms->params[mode]; 2288 } 2289 2290 if (vap->iv_roaming == IEEE80211_ROAMING_DEVICE) 2291 error = ERESTART; 2292 } 2293 2294 fail: IEEE80211_FREE(parms, M_TEMP); 2295 return error; 2296 } 2297 2298 static int 2299 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2300 const struct ieee80211req *ireq) 2301 { 2302 struct ieee80211com *ic = vap->iv_ic; 2303 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2304 struct ieee80211_txparam *src, *dst; 2305 const struct ieee80211_htrateset *rs_ht; 2306 const struct ieee80211_rateset *rs; 2307 int error, mode, changed, is11n, nmodes; 2308 2309 /* NB: accept short requests for backwards compat */ 2310 if (ireq->i_len > sizeof(parms)) 2311 return EINVAL; 2312 error = copyin(ireq->i_data, &parms, ireq->i_len); 2313 if (error != 0) 2314 return error; 2315 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2316 changed = 0; 2317 /* validate parameters and check if anything changed */ 2318 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2319 if (isclr(ic->ic_modecaps, mode)) 2320 continue; 2321 src = &parms.params[mode]; 2322 dst = &vap->iv_txparms[mode]; 2323 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2324 rs_ht = &ic->ic_sup_htrates; 2325 is11n = (mode == IEEE80211_MODE_11NA || 2326 mode == IEEE80211_MODE_11NG); 2327 if (src->ucastrate != dst->ucastrate) { 2328 if (!checkrate(rs, src->ucastrate) && 2329 (!is11n || !checkmcs(rs_ht, src->ucastrate))) 2330 return EINVAL; 2331 changed++; 2332 } 2333 if (src->mcastrate != dst->mcastrate) { 2334 if (!checkrate(rs, src->mcastrate) && 2335 (!is11n || !checkmcs(rs_ht, src->mcastrate))) 2336 return EINVAL; 2337 changed++; 2338 } 2339 if (src->mgmtrate != dst->mgmtrate) { 2340 if (!checkrate(rs, src->mgmtrate) && 2341 (!is11n || !checkmcs(rs_ht, src->mgmtrate))) 2342 return EINVAL; 2343 changed++; 2344 } 2345 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2346 changed++; 2347 } 2348 if (changed) { 2349 /* 2350 * Copy new parameters in place and notify the 2351 * driver so it can push state to the device. 2352 */ 2353 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2354 if (isset(ic->ic_modecaps, mode)) 2355 vap->iv_txparms[mode] = parms.params[mode]; 2356 } 2357 /* XXX could be more intelligent, 2358 e.g. don't reset if setting not being used */ 2359 return ENETRESET; 2360 } 2361 return 0; 2362 } 2363 2364 /* 2365 * Application Information Element support. 2366 */ 2367 static int 2368 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2369 { 2370 struct ieee80211_appie *app = *aie; 2371 struct ieee80211_appie *napp; 2372 int error; 2373 2374 if (ireq->i_len == 0) { /* delete any existing ie */ 2375 if (app != NULL) { 2376 *aie = NULL; /* XXX racey */ 2377 IEEE80211_FREE(app, M_80211_NODE_IE); 2378 } 2379 return 0; 2380 } 2381 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2382 return EINVAL; 2383 /* 2384 * Allocate a new appie structure and copy in the user data. 2385 * When done swap in the new structure. Note that we do not 2386 * guard against users holding a ref to the old structure; 2387 * this must be handled outside this code. 2388 * 2389 * XXX bad bad bad 2390 */ 2391 napp = (struct ieee80211_appie *) IEEE80211_MALLOC( 2392 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, 2393 IEEE80211_M_NOWAIT); 2394 if (napp == NULL) 2395 return ENOMEM; 2396 /* XXX holding ic lock */ 2397 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2398 if (error) { 2399 IEEE80211_FREE(napp, M_80211_NODE_IE); 2400 return error; 2401 } 2402 napp->ie_len = ireq->i_len; 2403 *aie = napp; 2404 if (app != NULL) 2405 IEEE80211_FREE(app, M_80211_NODE_IE); 2406 return 0; 2407 } 2408 2409 static void 2410 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2411 { 2412 /* validate data is present as best we can */ 2413 if (space == 0 || 2+ie[1] > space) 2414 return; 2415 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2416 vap->iv_wpa_ie = ie; 2417 else if (ie[0] == IEEE80211_ELEMID_RSN) 2418 vap->iv_rsn_ie = ie; 2419 } 2420 2421 static int 2422 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2423 const struct ieee80211req *ireq, int fc0) 2424 { 2425 int error; 2426 2427 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2428 2429 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2430 case IEEE80211_FC0_SUBTYPE_BEACON: 2431 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2432 vap->iv_opmode != IEEE80211_M_IBSS) { 2433 error = EINVAL; 2434 break; 2435 } 2436 error = setappie(&vap->iv_appie_beacon, ireq); 2437 if (error == 0) 2438 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2439 break; 2440 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2441 error = setappie(&vap->iv_appie_proberesp, ireq); 2442 break; 2443 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2444 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2445 error = setappie(&vap->iv_appie_assocresp, ireq); 2446 else 2447 error = EINVAL; 2448 break; 2449 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2450 error = setappie(&vap->iv_appie_probereq, ireq); 2451 break; 2452 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2453 if (vap->iv_opmode == IEEE80211_M_STA) 2454 error = setappie(&vap->iv_appie_assocreq, ireq); 2455 else 2456 error = EINVAL; 2457 break; 2458 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2459 error = setappie(&vap->iv_appie_wpa, ireq); 2460 if (error == 0) { 2461 /* 2462 * Must split single blob of data into separate 2463 * WPA and RSN ie's because they go in different 2464 * locations in the mgt frames. 2465 * XXX use IEEE80211_IOC_WPA2 so user code does split 2466 */ 2467 vap->iv_wpa_ie = NULL; 2468 vap->iv_rsn_ie = NULL; 2469 if (vap->iv_appie_wpa != NULL) { 2470 struct ieee80211_appie *appie = 2471 vap->iv_appie_wpa; 2472 uint8_t *data = appie->ie_data; 2473 2474 /* XXX ie length validate is painful, cheat */ 2475 setwparsnie(vap, data, appie->ie_len); 2476 setwparsnie(vap, data + 2 + data[1], 2477 appie->ie_len - (2 + data[1])); 2478 } 2479 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2480 vap->iv_opmode == IEEE80211_M_IBSS) { 2481 /* 2482 * Must rebuild beacon frame as the update 2483 * mechanism doesn't handle WPA/RSN ie's. 2484 * Could extend it but it doesn't normally 2485 * change; this is just to deal with hostapd 2486 * plumbing the ie after the interface is up. 2487 */ 2488 error = ENETRESET; 2489 } 2490 } 2491 break; 2492 default: 2493 error = EINVAL; 2494 break; 2495 } 2496 return error; 2497 } 2498 2499 static int 2500 ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2501 const struct ieee80211req *ireq) 2502 { 2503 struct ieee80211com *ic = vap->iv_ic; 2504 int error; 2505 uint8_t fc0; 2506 2507 fc0 = ireq->i_val & 0xff; 2508 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2509 return EINVAL; 2510 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2511 IEEE80211_LOCK(ic); 2512 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2513 IEEE80211_UNLOCK(ic); 2514 return error; 2515 } 2516 2517 static int 2518 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2519 { 2520 struct ieee80211com *ic = vap->iv_ic; 2521 struct ieee80211_chanswitch_req csr; 2522 struct ieee80211_channel *c; 2523 int error; 2524 2525 if (ireq->i_len != sizeof(csr)) 2526 return EINVAL; 2527 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2528 if (error != 0) 2529 return error; 2530 /* XXX adhoc mode not supported */ 2531 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2532 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2533 return EOPNOTSUPP; 2534 c = ieee80211_find_channel(ic, 2535 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2536 if (c == NULL) 2537 return ENOENT; 2538 IEEE80211_LOCK(ic); 2539 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2540 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2541 else if (csr.csa_count == 0) 2542 ieee80211_csa_cancelswitch(ic); 2543 else 2544 error = EBUSY; 2545 IEEE80211_UNLOCK(ic); 2546 return error; 2547 } 2548 2549 static int 2550 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr) 2551 { 2552 #define IEEE80211_IOC_SCAN_FLAGS \ 2553 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2554 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2555 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2556 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2557 IEEE80211_IOC_SCAN_CHECK) 2558 struct ieee80211com *ic = vap->iv_ic; 2559 int error, i; 2560 2561 /* convert duration */ 2562 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2563 sr->sr_duration = IEEE80211_SCAN_FOREVER; 2564 else { 2565 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2566 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2567 return EINVAL; 2568 sr->sr_duration = msecs_to_ticks(sr->sr_duration); 2569 } 2570 /* convert min/max channel dwell */ 2571 if (sr->sr_mindwell != 0) 2572 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell); 2573 if (sr->sr_maxdwell != 0) 2574 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell); 2575 /* NB: silently reduce ssid count to what is supported */ 2576 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID) 2577 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID; 2578 for (i = 0; i < sr->sr_nssid; i++) 2579 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN) 2580 return EINVAL; 2581 /* cleanse flags just in case, could reject if invalid flags */ 2582 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2583 /* 2584 * Add an implicit NOPICK if the vap is not marked UP. This 2585 * allows applications to scan without joining a bss (or picking 2586 * a channel and setting up a bss) and without forcing manual 2587 * roaming mode--you just need to mark the parent device UP. 2588 */ 2589 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2590 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2591 2592 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2593 "%s: vap %p iv_state %#x (%s) flags 0x%x%s " 2594 "duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2595 __func__, vap, vap->iv_state, ieee80211_state_name[vap->iv_state], 2596 sr->sr_flags, 2597 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2598 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid); 2599 /* 2600 * If we are in INIT state then the driver has never had a chance 2601 * to setup hardware state to do a scan; we must use the state 2602 * machine to get us up to the SCAN state but once we reach SCAN 2603 * state we then want to use the supplied params. Stash the 2604 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2605 * state machines will recognize this and use the stashed params 2606 * to issue the scan request. 2607 * 2608 * Otherwise just invoke the scan machinery directly. 2609 */ 2610 IEEE80211_LOCK(ic); 2611 if (ic->ic_nrunning == 0) { 2612 IEEE80211_UNLOCK(ic); 2613 return ENXIO; 2614 } 2615 2616 if (vap->iv_state == IEEE80211_S_INIT) { 2617 /* NB: clobbers previous settings */ 2618 vap->iv_scanreq_flags = sr->sr_flags; 2619 vap->iv_scanreq_duration = sr->sr_duration; 2620 vap->iv_scanreq_nssid = sr->sr_nssid; 2621 for (i = 0; i < sr->sr_nssid; i++) { 2622 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len; 2623 memcpy(vap->iv_scanreq_ssid[i].ssid, 2624 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len); 2625 } 2626 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2627 IEEE80211_UNLOCK(ic); 2628 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2629 } else { 2630 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2631 IEEE80211_UNLOCK(ic); 2632 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2633 error = ieee80211_check_scan(vap, sr->sr_flags, 2634 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2635 sr->sr_nssid, 2636 /* NB: cheat, we assume structures are compatible */ 2637 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2638 } else { 2639 error = ieee80211_start_scan(vap, sr->sr_flags, 2640 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2641 sr->sr_nssid, 2642 /* NB: cheat, we assume structures are compatible */ 2643 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2644 } 2645 if (error == 0) 2646 return EINPROGRESS; 2647 } 2648 return 0; 2649 #undef IEEE80211_IOC_SCAN_FLAGS 2650 } 2651 2652 static int 2653 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2654 { 2655 struct ieee80211_scan_req *sr; 2656 int error; 2657 2658 if (ireq->i_len != sizeof(*sr)) 2659 return EINVAL; 2660 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 2661 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2662 if (sr == NULL) 2663 return ENOMEM; 2664 error = copyin(ireq->i_data, sr, sizeof(*sr)); 2665 if (error != 0) 2666 goto bad; 2667 error = ieee80211_scanreq(vap, sr); 2668 bad: 2669 IEEE80211_FREE(sr, M_TEMP); 2670 return error; 2671 } 2672 2673 static int 2674 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2675 { 2676 struct ieee80211_node *ni; 2677 struct ieee80211req_sta_vlan vlan; 2678 int error; 2679 2680 if (ireq->i_len != sizeof(vlan)) 2681 return EINVAL; 2682 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2683 if (error != 0) 2684 return error; 2685 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2686 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2687 vlan.sv_macaddr); 2688 if (ni == NULL) 2689 return ENOENT; 2690 } else 2691 ni = ieee80211_ref_node(vap->iv_bss); 2692 ni->ni_vlan = vlan.sv_vlan; 2693 ieee80211_free_node(ni); 2694 return error; 2695 } 2696 2697 static int 2698 isvap11g(const struct ieee80211vap *vap) 2699 { 2700 const struct ieee80211_node *bss = vap->iv_bss; 2701 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2702 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2703 } 2704 2705 static int 2706 isvapht(const struct ieee80211vap *vap) 2707 { 2708 const struct ieee80211_node *bss = vap->iv_bss; 2709 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2710 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2711 } 2712 2713 /* 2714 * Dummy ioctl set handler so the linker set is defined. 2715 */ 2716 static int 2717 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2718 { 2719 return ENOSYS; 2720 } 2721 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2722 2723 static int 2724 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2725 { 2726 ieee80211_ioctl_setfunc * const *set; 2727 int error; 2728 2729 SET_FOREACH(set, ieee80211_ioctl_setset) { 2730 error = (*set)(vap, ireq); 2731 if (error != ENOSYS) 2732 return error; 2733 } 2734 return EINVAL; 2735 } 2736 2737 static int 2738 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2739 { 2740 struct ieee80211com *ic = vap->iv_ic; 2741 int error; 2742 const struct ieee80211_authenticator *auth; 2743 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2744 char tmpssid[IEEE80211_NWID_LEN]; 2745 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2746 struct ieee80211_key *k; 2747 u_int kid; 2748 uint32_t flags; 2749 2750 error = 0; 2751 switch (ireq->i_type) { 2752 case IEEE80211_IOC_SSID: 2753 if (ireq->i_val != 0 || 2754 ireq->i_len > IEEE80211_NWID_LEN) 2755 return EINVAL; 2756 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2757 if (error) 2758 break; 2759 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2760 vap->iv_des_ssid[0].len = ireq->i_len; 2761 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2762 vap->iv_des_nssid = (ireq->i_len > 0); 2763 error = ENETRESET; 2764 break; 2765 case IEEE80211_IOC_WEP: 2766 switch (ireq->i_val) { 2767 case IEEE80211_WEP_OFF: 2768 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2769 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2770 break; 2771 case IEEE80211_WEP_ON: 2772 vap->iv_flags |= IEEE80211_F_PRIVACY; 2773 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2774 break; 2775 case IEEE80211_WEP_MIXED: 2776 vap->iv_flags |= IEEE80211_F_PRIVACY; 2777 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2778 break; 2779 } 2780 error = ENETRESET; 2781 break; 2782 case IEEE80211_IOC_WEPKEY: 2783 kid = (u_int) ireq->i_val; 2784 if (kid >= IEEE80211_WEP_NKID) 2785 return EINVAL; 2786 k = &vap->iv_nw_keys[kid]; 2787 if (ireq->i_len == 0) { 2788 /* zero-len =>'s delete any existing key */ 2789 (void) ieee80211_crypto_delkey(vap, k); 2790 break; 2791 } 2792 if (ireq->i_len > sizeof(tmpkey)) 2793 return EINVAL; 2794 memset(tmpkey, 0, sizeof(tmpkey)); 2795 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2796 if (error) 2797 break; 2798 ieee80211_key_update_begin(vap); 2799 k->wk_keyix = kid; /* NB: force fixed key id */ 2800 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2801 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2802 k->wk_keylen = ireq->i_len; 2803 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2804 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2805 if (!ieee80211_crypto_setkey(vap, k)) 2806 error = EINVAL; 2807 } else 2808 error = EINVAL; 2809 ieee80211_key_update_end(vap); 2810 break; 2811 case IEEE80211_IOC_WEPTXKEY: 2812 kid = (u_int) ireq->i_val; 2813 if (kid >= IEEE80211_WEP_NKID && 2814 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2815 return EINVAL; 2816 /* 2817 * Firmware devices may need to be told about an explicit 2818 * key index here, versus just inferring it from the 2819 * key set / change. Since we may also need to pause 2820 * things like transmit before the key is updated, 2821 * give the driver a chance to flush things by tying 2822 * into key update begin/end. 2823 */ 2824 ieee80211_key_update_begin(vap); 2825 ieee80211_crypto_set_deftxkey(vap, kid); 2826 ieee80211_key_update_end(vap); 2827 break; 2828 case IEEE80211_IOC_AUTHMODE: 2829 switch (ireq->i_val) { 2830 case IEEE80211_AUTH_WPA: 2831 case IEEE80211_AUTH_8021X: /* 802.1x */ 2832 case IEEE80211_AUTH_OPEN: /* open */ 2833 case IEEE80211_AUTH_SHARED: /* shared-key */ 2834 case IEEE80211_AUTH_AUTO: /* auto */ 2835 auth = ieee80211_authenticator_get(ireq->i_val); 2836 if (auth == NULL) 2837 return EINVAL; 2838 break; 2839 default: 2840 return EINVAL; 2841 } 2842 switch (ireq->i_val) { 2843 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2844 vap->iv_flags |= IEEE80211_F_PRIVACY; 2845 ireq->i_val = IEEE80211_AUTH_8021X; 2846 break; 2847 case IEEE80211_AUTH_OPEN: /* open */ 2848 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2849 break; 2850 case IEEE80211_AUTH_SHARED: /* shared-key */ 2851 case IEEE80211_AUTH_8021X: /* 802.1x */ 2852 vap->iv_flags &= ~IEEE80211_F_WPA; 2853 /* both require a key so mark the PRIVACY capability */ 2854 vap->iv_flags |= IEEE80211_F_PRIVACY; 2855 break; 2856 case IEEE80211_AUTH_AUTO: /* auto */ 2857 vap->iv_flags &= ~IEEE80211_F_WPA; 2858 /* XXX PRIVACY handling? */ 2859 /* XXX what's the right way to do this? */ 2860 break; 2861 } 2862 /* NB: authenticator attach/detach happens on state change */ 2863 vap->iv_bss->ni_authmode = ireq->i_val; 2864 /* XXX mixed/mode/usage? */ 2865 vap->iv_auth = auth; 2866 error = ENETRESET; 2867 break; 2868 case IEEE80211_IOC_CHANNEL: 2869 error = ieee80211_ioctl_setchannel(vap, ireq); 2870 break; 2871 case IEEE80211_IOC_POWERSAVE: 2872 switch (ireq->i_val) { 2873 case IEEE80211_POWERSAVE_OFF: 2874 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2875 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2876 error = ERESTART; 2877 } 2878 break; 2879 case IEEE80211_POWERSAVE_ON: 2880 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2881 error = EOPNOTSUPP; 2882 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2883 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2884 error = ERESTART; 2885 } 2886 break; 2887 default: 2888 error = EINVAL; 2889 break; 2890 } 2891 break; 2892 case IEEE80211_IOC_POWERSAVESLEEP: 2893 if (ireq->i_val < 0) 2894 return EINVAL; 2895 ic->ic_lintval = ireq->i_val; 2896 error = ERESTART; 2897 break; 2898 case IEEE80211_IOC_RTSTHRESHOLD: 2899 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2900 ireq->i_val <= IEEE80211_RTS_MAX)) 2901 return EINVAL; 2902 vap->iv_rtsthreshold = ireq->i_val; 2903 error = ERESTART; 2904 break; 2905 case IEEE80211_IOC_PROTMODE: 2906 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2907 return EINVAL; 2908 vap->iv_protmode = (enum ieee80211_protmode)ireq->i_val; 2909 /* NB: if not operating in 11g this can wait */ 2910 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2911 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2912 error = ERESTART; 2913 /* driver callback for protection mode update */ 2914 ieee80211_vap_update_erp_protmode(vap); 2915 break; 2916 case IEEE80211_IOC_TXPOWER: 2917 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2918 return EOPNOTSUPP; 2919 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2920 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2921 return EINVAL; 2922 ic->ic_txpowlimit = ireq->i_val; 2923 error = ERESTART; 2924 break; 2925 case IEEE80211_IOC_ROAMING: 2926 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2927 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2928 return EINVAL; 2929 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val; 2930 /* XXXX reset? */ 2931 break; 2932 case IEEE80211_IOC_PRIVACY: 2933 if (ireq->i_val) { 2934 /* XXX check for key state? */ 2935 vap->iv_flags |= IEEE80211_F_PRIVACY; 2936 } else 2937 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2938 /* XXX ERESTART? */ 2939 break; 2940 case IEEE80211_IOC_DROPUNENCRYPTED: 2941 if (ireq->i_val) 2942 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2943 else 2944 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2945 /* XXX ERESTART? */ 2946 break; 2947 case IEEE80211_IOC_WPAKEY: 2948 error = ieee80211_ioctl_setkey(vap, ireq); 2949 break; 2950 case IEEE80211_IOC_DELKEY: 2951 error = ieee80211_ioctl_delkey(vap, ireq); 2952 break; 2953 case IEEE80211_IOC_MLME: 2954 error = ieee80211_ioctl_setmlme(vap, ireq); 2955 break; 2956 case IEEE80211_IOC_COUNTERMEASURES: 2957 if (ireq->i_val) { 2958 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2959 return EOPNOTSUPP; 2960 vap->iv_flags |= IEEE80211_F_COUNTERM; 2961 } else 2962 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2963 /* XXX ERESTART? */ 2964 break; 2965 case IEEE80211_IOC_WPA: 2966 if (ireq->i_val > 3) 2967 return EINVAL; 2968 /* XXX verify ciphers available */ 2969 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2970 switch (ireq->i_val) { 2971 case 0: 2972 /* wpa_supplicant calls this to clear the WPA config */ 2973 break; 2974 case 1: 2975 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2976 return EOPNOTSUPP; 2977 flags |= IEEE80211_F_WPA1; 2978 break; 2979 case 2: 2980 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2981 return EOPNOTSUPP; 2982 flags |= IEEE80211_F_WPA2; 2983 break; 2984 case 3: 2985 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2986 return EOPNOTSUPP; 2987 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2988 break; 2989 default: /* Can't set any -> error */ 2990 return EOPNOTSUPP; 2991 } 2992 vap->iv_flags = flags; 2993 error = ERESTART; /* NB: can change beacon frame */ 2994 break; 2995 case IEEE80211_IOC_WME: 2996 if (ireq->i_val) { 2997 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 2998 return EOPNOTSUPP; 2999 ieee80211_syncflag(vap, IEEE80211_F_WME); 3000 } else 3001 ieee80211_syncflag(vap, -IEEE80211_F_WME); 3002 error = ERESTART; /* NB: can change beacon frame */ 3003 break; 3004 case IEEE80211_IOC_HIDESSID: 3005 if (ireq->i_val) 3006 vap->iv_flags |= IEEE80211_F_HIDESSID; 3007 else 3008 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 3009 error = ERESTART; /* XXX ENETRESET? */ 3010 break; 3011 case IEEE80211_IOC_APBRIDGE: 3012 if (ireq->i_val == 0) 3013 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 3014 else 3015 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 3016 break; 3017 case IEEE80211_IOC_BSSID: 3018 if (ireq->i_len != sizeof(tmpbssid)) 3019 return EINVAL; 3020 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 3021 if (error) 3022 break; 3023 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 3024 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 3025 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 3026 else 3027 vap->iv_flags |= IEEE80211_F_DESBSSID; 3028 error = ENETRESET; 3029 break; 3030 case IEEE80211_IOC_CHANLIST: 3031 error = ieee80211_ioctl_setchanlist(vap, ireq); 3032 break; 3033 #define OLD_IEEE80211_IOC_SCAN_REQ 23 3034 #ifdef OLD_IEEE80211_IOC_SCAN_REQ 3035 case OLD_IEEE80211_IOC_SCAN_REQ: 3036 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 3037 "%s: active scan request\n", __func__); 3038 /* 3039 * If we are in INIT state then the driver has never 3040 * had a chance to setup hardware state to do a scan; 3041 * use the state machine to get us up the SCAN state. 3042 * Otherwise just invoke the scan machinery to start 3043 * a one-time scan. 3044 */ 3045 if (vap->iv_state == IEEE80211_S_INIT) 3046 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 3047 else 3048 (void) ieee80211_start_scan(vap, 3049 IEEE80211_SCAN_ACTIVE | 3050 IEEE80211_SCAN_NOPICK | 3051 IEEE80211_SCAN_ONCE, 3052 IEEE80211_SCAN_FOREVER, 0, 0, 3053 /* XXX use ioctl params */ 3054 vap->iv_des_nssid, vap->iv_des_ssid); 3055 break; 3056 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 3057 case IEEE80211_IOC_SCAN_REQ: 3058 error = ieee80211_ioctl_scanreq(vap, ireq); 3059 break; 3060 case IEEE80211_IOC_SCAN_CANCEL: 3061 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 3062 "%s: cancel scan\n", __func__); 3063 ieee80211_cancel_scan(vap); 3064 break; 3065 case IEEE80211_IOC_HTCONF: 3066 if (ireq->i_val & 1) 3067 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 3068 else 3069 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 3070 if (ireq->i_val & 2) 3071 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 3072 else 3073 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 3074 error = ENETRESET; 3075 break; 3076 case IEEE80211_IOC_ADDMAC: 3077 case IEEE80211_IOC_DELMAC: 3078 error = ieee80211_ioctl_macmac(vap, ireq); 3079 break; 3080 case IEEE80211_IOC_MACCMD: 3081 error = ieee80211_ioctl_setmaccmd(vap, ireq); 3082 break; 3083 case IEEE80211_IOC_STA_STATS: 3084 error = ieee80211_ioctl_setstastats(vap, ireq); 3085 break; 3086 case IEEE80211_IOC_STA_TXPOW: 3087 error = ieee80211_ioctl_setstatxpow(vap, ireq); 3088 break; 3089 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 3090 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 3091 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 3092 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 3093 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 3094 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 3095 error = ieee80211_ioctl_setwmeparam(vap, ireq); 3096 break; 3097 case IEEE80211_IOC_DTIM_PERIOD: 3098 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3099 vap->iv_opmode != IEEE80211_M_MBSS && 3100 vap->iv_opmode != IEEE80211_M_IBSS) 3101 return EINVAL; 3102 if (IEEE80211_DTIM_MIN <= ireq->i_val && 3103 ireq->i_val <= IEEE80211_DTIM_MAX) { 3104 vap->iv_dtim_period = ireq->i_val; 3105 error = ENETRESET; /* requires restart */ 3106 } else 3107 error = EINVAL; 3108 break; 3109 case IEEE80211_IOC_BEACON_INTERVAL: 3110 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3111 vap->iv_opmode != IEEE80211_M_MBSS && 3112 vap->iv_opmode != IEEE80211_M_IBSS) 3113 return EINVAL; 3114 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 3115 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 3116 ic->ic_bintval = ireq->i_val; 3117 error = ENETRESET; /* requires restart */ 3118 } else 3119 error = EINVAL; 3120 break; 3121 case IEEE80211_IOC_PUREG: 3122 if (ireq->i_val) 3123 vap->iv_flags |= IEEE80211_F_PUREG; 3124 else 3125 vap->iv_flags &= ~IEEE80211_F_PUREG; 3126 /* NB: reset only if we're operating on an 11g channel */ 3127 if (isvap11g(vap)) 3128 error = ENETRESET; 3129 break; 3130 case IEEE80211_IOC_QUIET: 3131 vap->iv_quiet= ireq->i_val; 3132 break; 3133 case IEEE80211_IOC_QUIET_COUNT: 3134 vap->iv_quiet_count=ireq->i_val; 3135 break; 3136 case IEEE80211_IOC_QUIET_PERIOD: 3137 vap->iv_quiet_period=ireq->i_val; 3138 break; 3139 case IEEE80211_IOC_QUIET_OFFSET: 3140 vap->iv_quiet_offset=ireq->i_val; 3141 break; 3142 case IEEE80211_IOC_QUIET_DUR: 3143 if(ireq->i_val < vap->iv_bss->ni_intval) 3144 vap->iv_quiet_duration = ireq->i_val; 3145 else 3146 error = EINVAL; 3147 break; 3148 case IEEE80211_IOC_BGSCAN: 3149 if (ireq->i_val) { 3150 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 3151 return EOPNOTSUPP; 3152 vap->iv_flags |= IEEE80211_F_BGSCAN; 3153 } else 3154 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 3155 break; 3156 case IEEE80211_IOC_BGSCAN_IDLE: 3157 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 3158 vap->iv_bgscanidle = ireq->i_val*hz/1000; 3159 else 3160 error = EINVAL; 3161 break; 3162 case IEEE80211_IOC_BGSCAN_INTERVAL: 3163 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 3164 vap->iv_bgscanintvl = ireq->i_val*hz; 3165 else 3166 error = EINVAL; 3167 break; 3168 case IEEE80211_IOC_SCANVALID: 3169 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 3170 vap->iv_scanvalid = ireq->i_val*hz; 3171 else 3172 error = EINVAL; 3173 break; 3174 case IEEE80211_IOC_FRAGTHRESHOLD: 3175 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 3176 ireq->i_val != IEEE80211_FRAG_MAX) 3177 return EOPNOTSUPP; 3178 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 3179 ireq->i_val <= IEEE80211_FRAG_MAX)) 3180 return EINVAL; 3181 vap->iv_fragthreshold = ireq->i_val; 3182 error = ERESTART; 3183 break; 3184 case IEEE80211_IOC_BURST: 3185 if (ireq->i_val) { 3186 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 3187 return EOPNOTSUPP; 3188 ieee80211_syncflag(vap, IEEE80211_F_BURST); 3189 } else 3190 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 3191 error = ERESTART; 3192 break; 3193 case IEEE80211_IOC_BMISSTHRESHOLD: 3194 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 3195 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 3196 return EINVAL; 3197 vap->iv_bmissthreshold = ireq->i_val; 3198 error = ERESTART; 3199 break; 3200 case IEEE80211_IOC_CURCHAN: 3201 error = ieee80211_ioctl_setcurchan(vap, ireq); 3202 break; 3203 case IEEE80211_IOC_SHORTGI: 3204 if (ireq->i_val) { 3205 #define IEEE80211_HTCAP_SHORTGI \ 3206 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 3207 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 3208 return EINVAL; 3209 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 3210 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 3211 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 3212 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 3213 #undef IEEE80211_HTCAP_SHORTGI 3214 } else 3215 vap->iv_flags_ht &= 3216 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 3217 error = ERESTART; 3218 break; 3219 case IEEE80211_IOC_AMPDU: 3220 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 3221 return EINVAL; 3222 if (ireq->i_val & 1) 3223 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 3224 else 3225 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 3226 if (ireq->i_val & 2) 3227 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 3228 else 3229 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 3230 /* NB: reset only if we're operating on an 11n channel */ 3231 if (isvapht(vap)) 3232 error = ERESTART; 3233 break; 3234 case IEEE80211_IOC_AMPDU_LIMIT: 3235 /* XXX TODO: figure out ampdu_limit versus ampdu_rxmax */ 3236 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 3237 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 3238 return EINVAL; 3239 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 3240 vap->iv_ampdu_rxmax = ireq->i_val; 3241 else 3242 vap->iv_ampdu_limit = ireq->i_val; 3243 error = ERESTART; 3244 break; 3245 case IEEE80211_IOC_AMPDU_DENSITY: 3246 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 3247 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 3248 return EINVAL; 3249 vap->iv_ampdu_density = ireq->i_val; 3250 error = ERESTART; 3251 break; 3252 case IEEE80211_IOC_AMSDU: 3253 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 3254 return EINVAL; 3255 if (ireq->i_val & 1) 3256 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 3257 else 3258 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 3259 if (ireq->i_val & 2) 3260 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 3261 else 3262 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 3263 /* NB: reset only if we're operating on an 11n channel */ 3264 if (isvapht(vap)) 3265 error = ERESTART; 3266 break; 3267 case IEEE80211_IOC_AMSDU_LIMIT: 3268 /* XXX validate */ 3269 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 3270 break; 3271 case IEEE80211_IOC_PUREN: 3272 if (ireq->i_val) { 3273 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3274 return EINVAL; 3275 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3276 } else 3277 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3278 /* NB: reset only if we're operating on an 11n channel */ 3279 if (isvapht(vap)) 3280 error = ERESTART; 3281 break; 3282 case IEEE80211_IOC_DOTH: 3283 if (ireq->i_val) { 3284 #if 0 3285 /* XXX no capability */ 3286 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3287 return EOPNOTSUPP; 3288 #endif 3289 vap->iv_flags |= IEEE80211_F_DOTH; 3290 } else 3291 vap->iv_flags &= ~IEEE80211_F_DOTH; 3292 error = ENETRESET; 3293 break; 3294 case IEEE80211_IOC_REGDOMAIN: 3295 error = ieee80211_ioctl_setregdomain(vap, ireq); 3296 break; 3297 case IEEE80211_IOC_ROAM: 3298 error = ieee80211_ioctl_setroam(vap, ireq); 3299 break; 3300 case IEEE80211_IOC_TXPARAMS: 3301 error = ieee80211_ioctl_settxparams(vap, ireq); 3302 break; 3303 case IEEE80211_IOC_HTCOMPAT: 3304 if (ireq->i_val) { 3305 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3306 return EOPNOTSUPP; 3307 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3308 } else 3309 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 3310 /* NB: reset only if we're operating on an 11n channel */ 3311 if (isvapht(vap)) 3312 error = ERESTART; 3313 break; 3314 case IEEE80211_IOC_DWDS: 3315 if (ireq->i_val) { 3316 /* NB: DWDS only makes sense for WDS-capable devices */ 3317 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3318 return EOPNOTSUPP; 3319 /* NB: DWDS is used only with ap+sta vaps */ 3320 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3321 vap->iv_opmode != IEEE80211_M_STA) 3322 return EINVAL; 3323 vap->iv_flags |= IEEE80211_F_DWDS; 3324 if (vap->iv_opmode == IEEE80211_M_STA) 3325 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3326 } else { 3327 vap->iv_flags &= ~IEEE80211_F_DWDS; 3328 if (vap->iv_opmode == IEEE80211_M_STA) 3329 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3330 } 3331 break; 3332 case IEEE80211_IOC_INACTIVITY: 3333 if (ireq->i_val) 3334 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3335 else 3336 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3337 break; 3338 case IEEE80211_IOC_APPIE: 3339 error = ieee80211_ioctl_setappie(vap, ireq); 3340 break; 3341 case IEEE80211_IOC_WPS: 3342 if (ireq->i_val) { 3343 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3344 return EOPNOTSUPP; 3345 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3346 } else 3347 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3348 break; 3349 case IEEE80211_IOC_TSN: 3350 if (ireq->i_val) { 3351 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3352 return EOPNOTSUPP; 3353 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3354 } else 3355 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3356 break; 3357 case IEEE80211_IOC_CHANSWITCH: 3358 error = ieee80211_ioctl_chanswitch(vap, ireq); 3359 break; 3360 case IEEE80211_IOC_DFS: 3361 if (ireq->i_val) { 3362 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3363 return EOPNOTSUPP; 3364 /* NB: DFS requires 11h support */ 3365 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3366 return EINVAL; 3367 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3368 } else 3369 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3370 break; 3371 case IEEE80211_IOC_DOTD: 3372 if (ireq->i_val) 3373 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3374 else 3375 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3376 if (vap->iv_opmode == IEEE80211_M_STA) 3377 error = ENETRESET; 3378 break; 3379 case IEEE80211_IOC_HTPROTMODE: 3380 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3381 return EINVAL; 3382 vap->iv_htprotmode = ireq->i_val ? 3383 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3384 /* NB: if not operating in 11n this can wait */ 3385 if (isvapht(vap)) 3386 error = ERESTART; 3387 /* Notify driver layer of HT protmode changes */ 3388 ieee80211_vap_update_ht_protmode(vap); 3389 break; 3390 case IEEE80211_IOC_STA_VLAN: 3391 error = ieee80211_ioctl_setstavlan(vap, ireq); 3392 break; 3393 case IEEE80211_IOC_SMPS: 3394 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3395 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3396 return EINVAL; 3397 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3398 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3399 return EOPNOTSUPP; 3400 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3401 ireq->i_val; 3402 /* NB: if not operating in 11n this can wait */ 3403 if (isvapht(vap)) 3404 error = ERESTART; 3405 break; 3406 case IEEE80211_IOC_RIFS: 3407 if (ireq->i_val != 0) { 3408 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3409 return EOPNOTSUPP; 3410 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3411 } else 3412 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3413 /* NB: if not operating in 11n this can wait */ 3414 if (isvapht(vap)) 3415 error = ERESTART; 3416 break; 3417 case IEEE80211_IOC_STBC: 3418 /* Check if we can do STBC TX/RX before changing the setting */ 3419 if ((ireq->i_val & 1) && 3420 ((vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) == 0)) 3421 return EOPNOTSUPP; 3422 if ((ireq->i_val & 2) && 3423 ((vap->iv_htcaps & IEEE80211_HTCAP_RXSTBC) == 0)) 3424 return EOPNOTSUPP; 3425 3426 /* TX */ 3427 if (ireq->i_val & 1) 3428 vap->iv_flags_ht |= IEEE80211_FHT_STBC_TX; 3429 else 3430 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_TX; 3431 3432 /* RX */ 3433 if (ireq->i_val & 2) 3434 vap->iv_flags_ht |= IEEE80211_FHT_STBC_RX; 3435 else 3436 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_RX; 3437 3438 /* NB: reset only if we're operating on an 11n channel */ 3439 if (isvapht(vap)) 3440 error = ERESTART; 3441 break; 3442 case IEEE80211_IOC_LDPC: 3443 /* Check if we can do LDPC TX/RX before changing the setting */ 3444 if ((ireq->i_val & 1) && 3445 (vap->iv_htcaps & IEEE80211_HTC_TXLDPC) == 0) 3446 return EOPNOTSUPP; 3447 if ((ireq->i_val & 2) && 3448 (vap->iv_htcaps & IEEE80211_HTCAP_LDPC) == 0) 3449 return EOPNOTSUPP; 3450 3451 /* TX */ 3452 if (ireq->i_val & 1) 3453 vap->iv_flags_ht |= IEEE80211_FHT_LDPC_TX; 3454 else 3455 vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_TX; 3456 3457 /* RX */ 3458 if (ireq->i_val & 2) 3459 vap->iv_flags_ht |= IEEE80211_FHT_LDPC_RX; 3460 else 3461 vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_RX; 3462 3463 /* NB: reset only if we're operating on an 11n channel */ 3464 if (isvapht(vap)) 3465 error = ERESTART; 3466 break; 3467 case IEEE80211_IOC_UAPSD: 3468 if ((vap->iv_caps & IEEE80211_C_UAPSD) == 0) 3469 return EOPNOTSUPP; 3470 if (ireq->i_val == 0) 3471 vap->iv_flags_ext &= ~IEEE80211_FEXT_UAPSD; 3472 else if (ireq->i_val == 1) 3473 vap->iv_flags_ext |= IEEE80211_FEXT_UAPSD; 3474 else 3475 return EINVAL; 3476 break; 3477 3478 /* VHT */ 3479 case IEEE80211_IOC_VHTCONF: 3480 if (ireq->i_val & IEEE80211_FVHT_VHT) 3481 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_VHT); 3482 else 3483 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_VHT); 3484 3485 if (ireq->i_val & IEEE80211_FVHT_USEVHT40) 3486 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT40); 3487 else 3488 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT40); 3489 3490 if (ireq->i_val & IEEE80211_FVHT_USEVHT80) 3491 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80); 3492 else 3493 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80); 3494 3495 if (ireq->i_val & IEEE80211_FVHT_USEVHT160) 3496 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT160); 3497 else 3498 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT160); 3499 3500 if (ireq->i_val & IEEE80211_FVHT_USEVHT80P80) 3501 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80P80); 3502 else 3503 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80P80); 3504 3505 error = ENETRESET; 3506 break; 3507 3508 default: 3509 error = ieee80211_ioctl_setdefault(vap, ireq); 3510 break; 3511 } 3512 /* 3513 * The convention is that ENETRESET means an operation 3514 * requires a complete re-initialization of the device (e.g. 3515 * changing something that affects the association state). 3516 * ERESTART means the request may be handled with only a 3517 * reload of the hardware state. We hand ERESTART requests 3518 * to the iv_reset callback so the driver can decide. If 3519 * a device does not fillin iv_reset then it defaults to one 3520 * that returns ENETRESET. Otherwise a driver may return 3521 * ENETRESET (in which case a full reset will be done) or 3522 * 0 to mean there's no need to do anything (e.g. when the 3523 * change has no effect on the driver/device). 3524 */ 3525 if (error == ERESTART) 3526 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3527 vap->iv_reset(vap, ireq->i_type) : 0; 3528 if (error == ENETRESET) { 3529 /* XXX need to re-think AUTO handling */ 3530 if (IS_UP_AUTO(vap)) 3531 ieee80211_init(vap); 3532 error = 0; 3533 } 3534 return error; 3535 } 3536 3537 int 3538 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3539 { 3540 struct ieee80211vap *vap = ifp->if_softc; 3541 struct ieee80211com *ic = vap->iv_ic; 3542 int error = 0, wait = 0, ic_used; 3543 struct ifreq *ifr; 3544 struct ifaddr *ifa; /* XXX */ 3545 3546 ic_used = (cmd != SIOCSIFMTU && cmd != SIOCG80211STATS); 3547 if (ic_used && (error = ieee80211_com_vincref(vap)) != 0) 3548 return (error); 3549 3550 switch (cmd) { 3551 case SIOCSIFFLAGS: 3552 IEEE80211_LOCK(ic); 3553 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_PROMISC) { 3554 /* 3555 * Enable promiscuous mode when: 3556 * 1. Interface is not a member of bridge, or 3557 * 2. Requested by user, or 3558 * 3. In monitor (or adhoc-demo) mode. 3559 */ 3560 if (ifp->if_bridge == NULL || 3561 (ifp->if_flags & IFF_PPROMISC) != 0 || 3562 vap->iv_opmode == IEEE80211_M_MONITOR || 3563 (vap->iv_opmode == IEEE80211_M_AHDEMO && 3564 (vap->iv_caps & IEEE80211_C_TDMA) == 0)) { 3565 ieee80211_promisc(vap, 3566 ifp->if_flags & IFF_PROMISC); 3567 vap->iv_ifflags ^= IFF_PROMISC; 3568 } 3569 } 3570 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_ALLMULTI) { 3571 ieee80211_allmulti(vap, ifp->if_flags & IFF_ALLMULTI); 3572 vap->iv_ifflags ^= IFF_ALLMULTI; 3573 } 3574 if (ifp->if_flags & IFF_UP) { 3575 /* 3576 * Bring ourself up unless we're already operational. 3577 * If we're the first vap and the parent is not up 3578 * then it will automatically be brought up as a 3579 * side-effect of bringing ourself up. 3580 */ 3581 if (vap->iv_state == IEEE80211_S_INIT) { 3582 if (ic->ic_nrunning == 0) 3583 wait = 1; 3584 ieee80211_start_locked(vap); 3585 } 3586 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 3587 /* 3588 * Stop ourself. If we are the last vap to be 3589 * marked down the parent will also be taken down. 3590 */ 3591 if (ic->ic_nrunning == 1) 3592 wait = 1; 3593 ieee80211_stop_locked(vap); 3594 } 3595 IEEE80211_UNLOCK(ic); 3596 /* Wait for parent ioctl handler if it was queued */ 3597 if (wait) { 3598 struct epoch_tracker et; 3599 3600 ieee80211_waitfor_parent(ic); 3601 3602 /* 3603 * Check if the MAC address was changed 3604 * via SIOCSIFLLADDR ioctl. 3605 * 3606 * NB: device may be detached during initialization; 3607 * use if_ioctl for existence check. 3608 */ 3609 NET_EPOCH_ENTER(et); 3610 if (ifp->if_ioctl == ieee80211_ioctl && 3611 (ifp->if_flags & IFF_UP) == 0 && 3612 !IEEE80211_ADDR_EQ(vap->iv_myaddr, IF_LLADDR(ifp))) 3613 IEEE80211_ADDR_COPY(vap->iv_myaddr, 3614 IF_LLADDR(ifp)); 3615 NET_EPOCH_EXIT(et); 3616 } 3617 break; 3618 case SIOCADDMULTI: 3619 case SIOCDELMULTI: 3620 ieee80211_runtask(ic, &ic->ic_mcast_task); 3621 break; 3622 case SIOCSIFMEDIA: 3623 case SIOCGIFMEDIA: 3624 ifr = (struct ifreq *)data; 3625 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3626 break; 3627 case SIOCG80211: 3628 error = ieee80211_ioctl_get80211(vap, cmd, 3629 (struct ieee80211req *) data); 3630 break; 3631 case SIOCS80211: 3632 error = ieee80211_priv_check_vap_manage(cmd, vap, ifp); 3633 if (error == 0) 3634 error = ieee80211_ioctl_set80211(vap, cmd, 3635 (struct ieee80211req *) data); 3636 break; 3637 case SIOCG80211STATS: 3638 ifr = (struct ifreq *)data; 3639 error = copyout(&vap->iv_stats, ifr_data_get_ptr(ifr), 3640 sizeof(vap->iv_stats)); 3641 break; 3642 case SIOCSIFMTU: 3643 ifr = (struct ifreq *)data; 3644 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3645 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3646 error = EINVAL; 3647 else 3648 ifp->if_mtu = ifr->ifr_mtu; 3649 break; 3650 case SIOCSIFADDR: 3651 /* 3652 * XXX Handle this directly so we can suppress if_init calls. 3653 * XXX This should be done in ether_ioctl but for the moment 3654 * XXX there are too many other parts of the system that 3655 * XXX set IFF_UP and so suppress if_init being called when 3656 * XXX it should be. 3657 */ 3658 ifa = (struct ifaddr *) data; 3659 switch (ifa->ifa_addr->sa_family) { 3660 #ifdef INET 3661 case AF_INET: 3662 if ((ifp->if_flags & IFF_UP) == 0) { 3663 ifp->if_flags |= IFF_UP; 3664 ifp->if_init(ifp->if_softc); 3665 } 3666 arp_ifinit(ifp, ifa); 3667 break; 3668 #endif 3669 default: 3670 if ((ifp->if_flags & IFF_UP) == 0) { 3671 ifp->if_flags |= IFF_UP; 3672 ifp->if_init(ifp->if_softc); 3673 } 3674 break; 3675 } 3676 break; 3677 case SIOCSIFLLADDR: 3678 error = ieee80211_priv_check_vap_setmac(cmd, vap, ifp); 3679 if (error == 0) 3680 break; 3681 /* Fallthrough */ 3682 default: 3683 /* 3684 * Pass unknown ioctls first to the driver, and if it 3685 * returns ENOTTY, then to the generic Ethernet handler. 3686 */ 3687 if (ic->ic_ioctl != NULL && 3688 (error = ic->ic_ioctl(ic, cmd, data)) != ENOTTY) 3689 break; 3690 error = ether_ioctl(ifp, cmd, data); 3691 break; 3692 } 3693 3694 if (ic_used) 3695 ieee80211_com_vdecref(vap); 3696 3697 return (error); 3698 } 3699