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 66static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 67static struct ieee80211_channel *findchannel(struct ieee80211com *, 68 int ieee, int mode); 69static int ieee80211_scanreq(struct ieee80211vap *, 70 struct ieee80211_scan_req *); 71 72static int 73ieee80211_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 129static int 130ieee80211_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 139static int 140ieee80211_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 153static int 154ieee80211_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); 204bad: 205 IEEE80211_FREE(wpaie, M_TEMP); 206 return error; 207} 208 209static int 210ieee80211_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 234struct scanreq { 235 struct ieee80211req_scan_result *sr; 236 size_t space; 237}; 238 239static size_t 240scan_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 255static void 256get_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 264static void 265get_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 314static int 315ieee80211_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 350struct stainforeq { 351 struct ieee80211req_sta_info *si; 352 size_t space; 353}; 354 355static size_t 356sta_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 363static void 364get_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 375static void 376get_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 459static int 460getstainfo_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; 498bad: 499 if (ni != NULL) 500 ieee80211_free_node(ni); 501 return error; 502} 503 504static int 505ieee80211_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 527static int 528ieee80211_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 548static int 549ieee80211_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 591static int 592ieee80211_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 599static int 600ieee80211_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 619static int 620getappie(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 630static int 631ieee80211_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 656static int 657ieee80211_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 668static int 669ieee80211_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 679static int 680ieee80211_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 690static int 691ieee80211_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 /* 713 * Announce the set of both hardware and software supported 714 * ciphers. 715 */ 716 dc->dc_cryptocaps = ic->ic_cryptocaps | ic->ic_sw_cryptocaps; 717 dc->dc_htcaps = ic->ic_htcaps; 718 dc->dc_vhtcaps = ic->ic_vht_cap.vht_cap_info; 719 ci = &dc->dc_chaninfo; 720 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans); 721 KASSERT(ci->ic_nchans <= maxchans, 722 ("nchans %d maxchans %d", ci->ic_nchans, maxchans)); 723 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans); 724 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc)); 725 IEEE80211_FREE(dc, M_TEMP); 726 return error; 727} 728 729static int 730ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 731{ 732 struct ieee80211_node *ni; 733 struct ieee80211req_sta_vlan vlan; 734 int error; 735 736 if (ireq->i_len != sizeof(vlan)) 737 return EINVAL; 738 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 739 if (error != 0) 740 return error; 741 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 742 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 743 vlan.sv_macaddr); 744 if (ni == NULL) 745 return ENOENT; 746 } else 747 ni = ieee80211_ref_node(vap->iv_bss); 748 vlan.sv_vlan = ni->ni_vlan; 749 error = copyout(&vlan, ireq->i_data, sizeof(vlan)); 750 ieee80211_free_node(ni); 751 return error; 752} 753 754/* 755 * Dummy ioctl get handler so the linker set is defined. 756 */ 757static int 758dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq) 759{ 760 return ENOSYS; 761} 762IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get); 763 764static int 765ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 766{ 767 ieee80211_ioctl_getfunc * const *get; 768 int error; 769 770 SET_FOREACH(get, ieee80211_ioctl_getset) { 771 error = (*get)(vap, ireq); 772 if (error != ENOSYS) 773 return error; 774 } 775 return EINVAL; 776} 777 778static int 779ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd, 780 struct ieee80211req *ireq) 781{ 782 struct ieee80211com *ic = vap->iv_ic; 783 u_int kid, len; 784 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 785 char tmpssid[IEEE80211_NWID_LEN]; 786 int error = 0; 787 788 switch (ireq->i_type) { 789 case IEEE80211_IOC_IC_NAME: 790 len = strlen(ic->ic_name) + 1; 791 if (len > ireq->i_len) 792 return (EINVAL); 793 ireq->i_len = len; 794 error = copyout(ic->ic_name, ireq->i_data, ireq->i_len); 795 break; 796 case IEEE80211_IOC_SSID: 797 switch (vap->iv_state) { 798 case IEEE80211_S_INIT: 799 case IEEE80211_S_SCAN: 800 ireq->i_len = vap->iv_des_ssid[0].len; 801 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); 802 break; 803 default: 804 ireq->i_len = vap->iv_bss->ni_esslen; 805 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); 806 break; 807 } 808 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 809 break; 810 case IEEE80211_IOC_NUMSSIDS: 811 ireq->i_val = 1; 812 break; 813 case IEEE80211_IOC_WEP: 814 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 815 ireq->i_val = IEEE80211_WEP_OFF; 816 else if (vap->iv_flags & IEEE80211_F_DROPUNENC) 817 ireq->i_val = IEEE80211_WEP_ON; 818 else 819 ireq->i_val = IEEE80211_WEP_MIXED; 820 break; 821 case IEEE80211_IOC_WEPKEY: 822 kid = (u_int) ireq->i_val; 823 if (kid >= IEEE80211_WEP_NKID) 824 return EINVAL; 825 len = (u_int) vap->iv_nw_keys[kid].wk_keylen; 826 /* NB: only root can read WEP keys */ 827 if (ieee80211_priv_check_vap_getkey(cmd, vap, NULL) == 0) { 828 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); 829 } else { 830 bzero(tmpkey, len); 831 } 832 ireq->i_len = len; 833 error = copyout(tmpkey, ireq->i_data, len); 834 break; 835 case IEEE80211_IOC_NUMWEPKEYS: 836 ireq->i_val = IEEE80211_WEP_NKID; 837 break; 838 case IEEE80211_IOC_WEPTXKEY: 839 ireq->i_val = vap->iv_def_txkey; 840 break; 841 case IEEE80211_IOC_AUTHMODE: 842 if (vap->iv_flags & IEEE80211_F_WPA) 843 ireq->i_val = IEEE80211_AUTH_WPA; 844 else 845 ireq->i_val = vap->iv_bss->ni_authmode; 846 break; 847 case IEEE80211_IOC_CHANNEL: 848 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 849 break; 850 case IEEE80211_IOC_POWERSAVE: 851 if (vap->iv_flags & IEEE80211_F_PMGTON) 852 ireq->i_val = IEEE80211_POWERSAVE_ON; 853 else 854 ireq->i_val = IEEE80211_POWERSAVE_OFF; 855 break; 856 case IEEE80211_IOC_POWERSAVESLEEP: 857 ireq->i_val = ic->ic_lintval; 858 break; 859 case IEEE80211_IOC_RTSTHRESHOLD: 860 ireq->i_val = vap->iv_rtsthreshold; 861 break; 862 case IEEE80211_IOC_PROTMODE: 863 ireq->i_val = vap->iv_protmode; 864 break; 865 case IEEE80211_IOC_TXPOWER: 866 /* 867 * Tx power limit is the min of max regulatory 868 * power, any user-set limit, and the max the 869 * radio can do. 870 * 871 * TODO: methodize this 872 */ 873 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; 874 if (ireq->i_val > ic->ic_txpowlimit) 875 ireq->i_val = ic->ic_txpowlimit; 876 if (ireq->i_val > ic->ic_curchan->ic_maxpower) 877 ireq->i_val = ic->ic_curchan->ic_maxpower; 878 break; 879 case IEEE80211_IOC_WPA: 880 switch (vap->iv_flags & IEEE80211_F_WPA) { 881 case IEEE80211_F_WPA1: 882 ireq->i_val = 1; 883 break; 884 case IEEE80211_F_WPA2: 885 ireq->i_val = 2; 886 break; 887 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 888 ireq->i_val = 3; 889 break; 890 default: 891 ireq->i_val = 0; 892 break; 893 } 894 break; 895 case IEEE80211_IOC_CHANLIST: 896 error = ieee80211_ioctl_getchanlist(vap, ireq); 897 break; 898 case IEEE80211_IOC_ROAMING: 899 ireq->i_val = vap->iv_roaming; 900 break; 901 case IEEE80211_IOC_PRIVACY: 902 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; 903 break; 904 case IEEE80211_IOC_DROPUNENCRYPTED: 905 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; 906 break; 907 case IEEE80211_IOC_COUNTERMEASURES: 908 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; 909 break; 910 case IEEE80211_IOC_WME: 911 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; 912 break; 913 case IEEE80211_IOC_HIDESSID: 914 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; 915 break; 916 case IEEE80211_IOC_APBRIDGE: 917 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; 918 break; 919 case IEEE80211_IOC_WPAKEY: 920 error = ieee80211_ioctl_getkey(cmd, vap, ireq); 921 break; 922 case IEEE80211_IOC_CHANINFO: 923 error = ieee80211_ioctl_getchaninfo(vap, ireq); 924 break; 925 case IEEE80211_IOC_BSSID: 926 if (ireq->i_len != IEEE80211_ADDR_LEN) 927 return EINVAL; 928 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) { 929 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ? 930 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid, 931 ireq->i_data, ireq->i_len); 932 } else 933 error = copyout(vap->iv_des_bssid, ireq->i_data, 934 ireq->i_len); 935 break; 936 case IEEE80211_IOC_WPAIE: 937 case IEEE80211_IOC_WPAIE2: 938 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 939 break; 940 case IEEE80211_IOC_SCAN_RESULTS: 941 error = ieee80211_ioctl_getscanresults(vap, ireq); 942 break; 943 case IEEE80211_IOC_STA_STATS: 944 error = ieee80211_ioctl_getstastats(vap, ireq); 945 break; 946 case IEEE80211_IOC_TXPOWMAX: 947 ireq->i_val = vap->iv_bss->ni_txpower; 948 break; 949 case IEEE80211_IOC_STA_TXPOW: 950 error = ieee80211_ioctl_getstatxpow(vap, ireq); 951 break; 952 case IEEE80211_IOC_STA_INFO: 953 error = ieee80211_ioctl_getstainfo(vap, ireq); 954 break; 955 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 956 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 957 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 958 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 959 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 960 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 961 error = ieee80211_ioctl_getwmeparam(vap, ireq); 962 break; 963 case IEEE80211_IOC_DTIM_PERIOD: 964 ireq->i_val = vap->iv_dtim_period; 965 break; 966 case IEEE80211_IOC_BEACON_INTERVAL: 967 /* NB: get from ic_bss for station mode */ 968 ireq->i_val = vap->iv_bss->ni_intval; 969 break; 970 case IEEE80211_IOC_PUREG: 971 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; 972 break; 973 case IEEE80211_IOC_QUIET: 974 ireq->i_val = vap->iv_quiet; 975 break; 976 case IEEE80211_IOC_QUIET_COUNT: 977 ireq->i_val = vap->iv_quiet_count; 978 break; 979 case IEEE80211_IOC_QUIET_PERIOD: 980 ireq->i_val = vap->iv_quiet_period; 981 break; 982 case IEEE80211_IOC_QUIET_DUR: 983 ireq->i_val = vap->iv_quiet_duration; 984 break; 985 case IEEE80211_IOC_QUIET_OFFSET: 986 ireq->i_val = vap->iv_quiet_offset; 987 break; 988 case IEEE80211_IOC_BGSCAN: 989 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 990 break; 991 case IEEE80211_IOC_BGSCAN_IDLE: 992 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 993 break; 994 case IEEE80211_IOC_BGSCAN_INTERVAL: 995 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 996 break; 997 case IEEE80211_IOC_SCANVALID: 998 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 999 break; 1000 case IEEE80211_IOC_FRAGTHRESHOLD: 1001 ireq->i_val = vap->iv_fragthreshold; 1002 break; 1003 case IEEE80211_IOC_MACCMD: 1004 error = ieee80211_ioctl_getmaccmd(vap, ireq); 1005 break; 1006 case IEEE80211_IOC_BURST: 1007 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 1008 break; 1009 case IEEE80211_IOC_BMISSTHRESHOLD: 1010 ireq->i_val = vap->iv_bmissthreshold; 1011 break; 1012 case IEEE80211_IOC_CURCHAN: 1013 error = ieee80211_ioctl_getcurchan(vap, ireq); 1014 break; 1015 case IEEE80211_IOC_SHORTGI: 1016 ireq->i_val = 0; 1017 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) 1018 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 1019 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) 1020 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 1021 break; 1022 case IEEE80211_IOC_AMPDU: 1023 ireq->i_val = 0; 1024 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) 1025 ireq->i_val |= 1; 1026 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) 1027 ireq->i_val |= 2; 1028 break; 1029 case IEEE80211_IOC_AMPDU_LIMIT: 1030 /* XXX TODO: make this a per-node thing; and leave this as global */ 1031 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1032 ireq->i_val = vap->iv_ampdu_rxmax; 1033 else if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 1034 /* 1035 * XXX TODO: this isn't completely correct, as we've 1036 * negotiated the higher of the two. 1037 */ 1038 ireq->i_val = _IEEE80211_MASKSHIFT( vap->iv_bss->ni_htparam, 1039 IEEE80211_HTCAP_MAXRXAMPDU); 1040 else 1041 ireq->i_val = vap->iv_ampdu_limit; 1042 break; 1043 case IEEE80211_IOC_AMPDU_DENSITY: 1044 /* XXX TODO: make this a per-node thing; and leave this as global */ 1045 if (vap->iv_opmode == IEEE80211_M_STA && 1046 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1047 /* 1048 * XXX TODO: this isn't completely correct, as we've 1049 * negotiated the higher of the two. 1050 */ 1051 ireq->i_val = _IEEE80211_MASKSHIFT(vap->iv_bss->ni_htparam, 1052 IEEE80211_HTCAP_MPDUDENSITY); 1053 else 1054 ireq->i_val = vap->iv_ampdu_density; 1055 break; 1056 case IEEE80211_IOC_AMSDU: 1057 ireq->i_val = 0; 1058 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) 1059 ireq->i_val |= 1; 1060 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) 1061 ireq->i_val |= 2; 1062 break; 1063 case IEEE80211_IOC_AMSDU_LIMIT: 1064 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1065 break; 1066 case IEEE80211_IOC_PUREN: 1067 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; 1068 break; 1069 case IEEE80211_IOC_DOTH: 1070 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1071 break; 1072 case IEEE80211_IOC_REGDOMAIN: 1073 error = ieee80211_ioctl_getregdomain(vap, ireq); 1074 break; 1075 case IEEE80211_IOC_ROAM: 1076 error = ieee80211_ioctl_getroam(vap, ireq); 1077 break; 1078 case IEEE80211_IOC_TXPARAMS: 1079 error = ieee80211_ioctl_gettxparams(vap, ireq); 1080 break; 1081 case IEEE80211_IOC_HTCOMPAT: 1082 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; 1083 break; 1084 case IEEE80211_IOC_DWDS: 1085 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1086 break; 1087 case IEEE80211_IOC_INACTIVITY: 1088 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1089 break; 1090 case IEEE80211_IOC_APPIE: 1091 error = ieee80211_ioctl_getappie(vap, ireq); 1092 break; 1093 case IEEE80211_IOC_WPS: 1094 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1095 break; 1096 case IEEE80211_IOC_TSN: 1097 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1098 break; 1099 case IEEE80211_IOC_DFS: 1100 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1101 break; 1102 case IEEE80211_IOC_DOTD: 1103 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1104 break; 1105 case IEEE80211_IOC_DEVCAPS: 1106 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1107 break; 1108 case IEEE80211_IOC_HTPROTMODE: 1109 ireq->i_val = vap->iv_htprotmode; 1110 break; 1111 case IEEE80211_IOC_HTCONF: 1112 if (vap->iv_flags_ht & IEEE80211_FHT_HT) { 1113 ireq->i_val = 1; 1114 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) 1115 ireq->i_val |= 2; 1116 } else 1117 ireq->i_val = 0; 1118 break; 1119 case IEEE80211_IOC_STA_VLAN: 1120 error = ieee80211_ioctl_getstavlan(vap, ireq); 1121 break; 1122 case IEEE80211_IOC_SMPS: 1123 if (vap->iv_opmode == IEEE80211_M_STA && 1124 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) { 1125 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1126 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1127 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1128 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1129 else 1130 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1131 } else 1132 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1133 break; 1134 case IEEE80211_IOC_RIFS: 1135 if (vap->iv_opmode == IEEE80211_M_STA && 1136 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1137 ireq->i_val = 1138 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1139 else 1140 ireq->i_val = 1141 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; 1142 break; 1143 case IEEE80211_IOC_STBC: 1144 ireq->i_val = 0; 1145 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_TX) 1146 ireq->i_val |= 1; 1147 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_RX) 1148 ireq->i_val |= 2; 1149 break; 1150 case IEEE80211_IOC_LDPC: 1151 ireq->i_val = 0; 1152 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_TX) 1153 ireq->i_val |= 1; 1154 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_RX) 1155 ireq->i_val |= 2; 1156 break; 1157 case IEEE80211_IOC_UAPSD: 1158 ireq->i_val = 0; 1159 if (vap->iv_flags_ext & IEEE80211_FEXT_UAPSD) 1160 ireq->i_val = 1; 1161 break; 1162 case IEEE80211_IOC_VHTCONF: 1163 ireq->i_val = vap->iv_vht_flags & IEEE80211_FVHT_MASK; 1164 break; 1165 default: 1166 error = ieee80211_ioctl_getdefault(vap, ireq); 1167 break; 1168 } 1169 return error; 1170} 1171 1172static int 1173ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1174{ 1175 struct ieee80211req_key ik; 1176 struct ieee80211_node *ni; 1177 struct ieee80211_key *wk; 1178 uint16_t kid; 1179 int error, i; 1180 1181 if (ireq->i_len != sizeof(ik)) 1182 return EINVAL; 1183 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1184 if (error) 1185 return error; 1186 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1187 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1188 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1189 return E2BIG; 1190 kid = ik.ik_keyix; 1191 if (kid == IEEE80211_KEYIX_NONE) { 1192 /* XXX unicast keys currently must be tx/rx */ 1193 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1194 return EINVAL; 1195 if (vap->iv_opmode == IEEE80211_M_STA) { 1196 ni = ieee80211_ref_node(vap->iv_bss); 1197 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1198 ieee80211_free_node(ni); 1199 return EADDRNOTAVAIL; 1200 } 1201 } else { 1202 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1203 ik.ik_macaddr); 1204 if (ni == NULL) 1205 return ENOENT; 1206 } 1207 wk = &ni->ni_ucastkey; 1208 } else { 1209 if (kid >= IEEE80211_WEP_NKID) 1210 return EINVAL; 1211 wk = &vap->iv_nw_keys[kid]; 1212 /* 1213 * Global slots start off w/o any assigned key index. 1214 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1215 */ 1216 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1217 wk->wk_keyix = kid; 1218 ni = NULL; 1219 } 1220 error = 0; 1221 ieee80211_key_update_begin(vap); 1222 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1223 wk->wk_keylen = ik.ik_keylen; 1224 /* NB: MIC presence is implied by cipher type */ 1225 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1226 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1227 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1228 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1229 wk->wk_keytsc = 0; /* new key, reset */ 1230 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1231 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1232 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1233 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1234 if (!ieee80211_crypto_setkey(vap, wk)) 1235 error = EIO; 1236 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1237 /* 1238 * Inform the driver that this is the default 1239 * transmit key. Now, ideally we'd just set 1240 * a flag in the key update that would 1241 * say "yes, we're the default key", but 1242 * that currently isn't the way the ioctl -> 1243 * key interface works. 1244 */ 1245 ieee80211_crypto_set_deftxkey(vap, kid); 1246 } else 1247 error = ENXIO; 1248 ieee80211_key_update_end(vap); 1249 if (ni != NULL) 1250 ieee80211_free_node(ni); 1251 return error; 1252} 1253 1254static int 1255ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1256{ 1257 struct ieee80211req_del_key dk; 1258 int kid, error; 1259 1260 if (ireq->i_len != sizeof(dk)) 1261 return EINVAL; 1262 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1263 if (error) 1264 return error; 1265 kid = dk.idk_keyix; 1266 /* XXX uint8_t -> uint16_t */ 1267 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1268 struct ieee80211_node *ni; 1269 1270 if (vap->iv_opmode == IEEE80211_M_STA) { 1271 ni = ieee80211_ref_node(vap->iv_bss); 1272 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1273 ieee80211_free_node(ni); 1274 return EADDRNOTAVAIL; 1275 } 1276 } else { 1277 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1278 dk.idk_macaddr); 1279 if (ni == NULL) 1280 return ENOENT; 1281 } 1282 /* XXX error return */ 1283 ieee80211_node_delucastkey(ni); 1284 ieee80211_free_node(ni); 1285 } else { 1286 if (kid >= IEEE80211_WEP_NKID) 1287 return EINVAL; 1288 /* XXX error return */ 1289 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1290 } 1291 return 0; 1292} 1293 1294struct mlmeop { 1295 struct ieee80211vap *vap; 1296 int op; 1297 int reason; 1298}; 1299 1300static void 1301mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1302 int op, int reason) 1303{ 1304#ifdef IEEE80211_DEBUG 1305 static const struct { 1306 int mask; 1307 const char *opstr; 1308 } ops[] = { 1309 { 0, "op#0" }, 1310 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1311 IEEE80211_MSG_ASSOC, "assoc" }, 1312 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1313 IEEE80211_MSG_ASSOC, "disassoc" }, 1314 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1315 IEEE80211_MSG_AUTH, "deauth" }, 1316 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1317 IEEE80211_MSG_AUTH, "authorize" }, 1318 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1319 IEEE80211_MSG_AUTH, "unauthorize" }, 1320 }; 1321 1322 if (op == IEEE80211_MLME_AUTH) { 1323 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1324 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1325 "station authenticate %s via MLME (reason: %d (%s))", 1326 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1327 reason, ieee80211_reason_to_string(reason)); 1328 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1329 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1330 "unknown MLME request %d (reason: %d (%s))", op, reason, 1331 ieee80211_reason_to_string(reason)); 1332 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1333 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1334 "station %s via MLME", ops[op].opstr); 1335 } else { 1336 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1337 "station %s via MLME (reason: %d (%s))", ops[op].opstr, 1338 reason, ieee80211_reason_to_string(reason)); 1339 } 1340#endif /* IEEE80211_DEBUG */ 1341} 1342 1343static void 1344domlme(void *arg, struct ieee80211_node *ni) 1345{ 1346 struct mlmeop *mop = arg; 1347 struct ieee80211vap *vap = ni->ni_vap; 1348 1349 if (vap != mop->vap) 1350 return; 1351 /* 1352 * NB: if ni_associd is zero then the node is already cleaned 1353 * up and we don't need to do this (we're safely holding a 1354 * reference but should otherwise not modify it's state). 1355 */ 1356 if (ni->ni_associd == 0) 1357 return; 1358 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1359 if (mop->op == IEEE80211_MLME_DEAUTH) { 1360 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1361 mop->reason); 1362 } else { 1363 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1364 mop->reason); 1365 } 1366 ieee80211_node_leave(ni); 1367} 1368 1369static int 1370setmlme_dropsta(struct ieee80211vap *vap, 1371 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1372{ 1373 struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta; 1374 struct ieee80211_node *ni; 1375 int error = 0; 1376 1377 /* NB: the broadcast address means do 'em all */ 1378 if (!IEEE80211_ADDR_EQ(mac, vap->iv_ifp->if_broadcastaddr)) { 1379 IEEE80211_NODE_LOCK(nt); 1380 ni = ieee80211_find_node_locked(nt, mac); 1381 IEEE80211_NODE_UNLOCK(nt); 1382 /* 1383 * Don't do the node update inside the node 1384 * table lock. This unfortunately causes LORs 1385 * with drivers and their TX paths. 1386 */ 1387 if (ni != NULL) { 1388 domlme(mlmeop, ni); 1389 ieee80211_free_node(ni); 1390 } else 1391 error = ENOENT; 1392 } else { 1393 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1394 } 1395 return error; 1396} 1397 1398static int 1399setmlme_common(struct ieee80211vap *vap, int op, 1400 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1401{ 1402 struct ieee80211com *ic = vap->iv_ic; 1403 struct ieee80211_node_table *nt = &ic->ic_sta; 1404 struct ieee80211_node *ni; 1405 struct mlmeop mlmeop; 1406 int error; 1407 1408 error = 0; 1409 switch (op) { 1410 case IEEE80211_MLME_DISASSOC: 1411 case IEEE80211_MLME_DEAUTH: 1412 switch (vap->iv_opmode) { 1413 case IEEE80211_M_STA: 1414 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1415 /* XXX not quite right */ 1416 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1417 break; 1418 case IEEE80211_M_HOSTAP: 1419 mlmeop.vap = vap; 1420 mlmeop.op = op; 1421 mlmeop.reason = reason; 1422 error = setmlme_dropsta(vap, mac, &mlmeop); 1423 break; 1424 case IEEE80211_M_WDS: 1425 /* XXX user app should send raw frame? */ 1426 if (op != IEEE80211_MLME_DEAUTH) { 1427 error = EINVAL; 1428 break; 1429 } 1430#if 0 1431 /* XXX accept any address, simplifies user code */ 1432 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1433 error = EINVAL; 1434 break; 1435 } 1436#endif 1437 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1438 ni = ieee80211_ref_node(vap->iv_bss); 1439 IEEE80211_SEND_MGMT(ni, 1440 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1441 ieee80211_free_node(ni); 1442 break; 1443 case IEEE80211_M_MBSS: 1444 IEEE80211_NODE_LOCK(nt); 1445 ni = ieee80211_find_node_locked(nt, mac); 1446 /* 1447 * Don't do the node update inside the node 1448 * table lock. This unfortunately causes LORs 1449 * with drivers and their TX paths. 1450 */ 1451 IEEE80211_NODE_UNLOCK(nt); 1452 if (ni != NULL) { 1453 ieee80211_node_leave(ni); 1454 ieee80211_free_node(ni); 1455 } else { 1456 error = ENOENT; 1457 } 1458 break; 1459 default: 1460 error = EINVAL; 1461 break; 1462 } 1463 break; 1464 case IEEE80211_MLME_AUTHORIZE: 1465 case IEEE80211_MLME_UNAUTHORIZE: 1466 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1467 vap->iv_opmode != IEEE80211_M_WDS) { 1468 error = EINVAL; 1469 break; 1470 } 1471 IEEE80211_NODE_LOCK(nt); 1472 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1473 /* 1474 * Don't do the node update inside the node 1475 * table lock. This unfortunately causes LORs 1476 * with drivers and their TX paths. 1477 */ 1478 IEEE80211_NODE_UNLOCK(nt); 1479 if (ni != NULL) { 1480 mlmedebug(vap, mac, op, reason); 1481 if (op == IEEE80211_MLME_AUTHORIZE) 1482 ieee80211_node_authorize(ni); 1483 else 1484 ieee80211_node_unauthorize(ni); 1485 ieee80211_free_node(ni); 1486 } else 1487 error = ENOENT; 1488 break; 1489 case IEEE80211_MLME_AUTH: 1490 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1491 error = EINVAL; 1492 break; 1493 } 1494 IEEE80211_NODE_LOCK(nt); 1495 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1496 /* 1497 * Don't do the node update inside the node 1498 * table lock. This unfortunately causes LORs 1499 * with drivers and their TX paths. 1500 */ 1501 IEEE80211_NODE_UNLOCK(nt); 1502 if (ni != NULL) { 1503 mlmedebug(vap, mac, op, reason); 1504 if (reason == IEEE80211_STATUS_SUCCESS) { 1505 IEEE80211_SEND_MGMT(ni, 1506 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1507 /* 1508 * For shared key auth, just continue the 1509 * exchange. Otherwise when 802.1x is not in 1510 * use mark the port authorized at this point 1511 * so traffic can flow. 1512 */ 1513 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1514 ni->ni_challenge == NULL) 1515 ieee80211_node_authorize(ni); 1516 } else { 1517 vap->iv_stats.is_rx_acl++; 1518 ieee80211_send_error(ni, ni->ni_macaddr, 1519 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1520 ieee80211_node_leave(ni); 1521 } 1522 ieee80211_free_node(ni); 1523 } else 1524 error = ENOENT; 1525 break; 1526 default: 1527 error = EINVAL; 1528 break; 1529 } 1530 return error; 1531} 1532 1533struct scanlookup { 1534 const uint8_t *mac; 1535 int esslen; 1536 const uint8_t *essid; 1537 const struct ieee80211_scan_entry *se; 1538}; 1539 1540/* 1541 * Match mac address and any ssid. 1542 */ 1543static void 1544mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1545{ 1546 struct scanlookup *look = arg; 1547 1548 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1549 return; 1550 if (look->esslen != 0) { 1551 if (se->se_ssid[1] != look->esslen) 1552 return; 1553 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1554 return; 1555 } 1556 look->se = se; 1557} 1558 1559static int 1560setmlme_assoc_sta(struct ieee80211vap *vap, 1561 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1562 const uint8_t ssid[IEEE80211_NWID_LEN]) 1563{ 1564 struct scanlookup lookup; 1565 1566 KASSERT(vap->iv_opmode == IEEE80211_M_STA, 1567 ("expected opmode STA not %s", 1568 ieee80211_opmode_name[vap->iv_opmode])); 1569 1570 /* NB: this is racey if roaming is !manual */ 1571 lookup.se = NULL; 1572 lookup.mac = mac; 1573 lookup.esslen = ssid_len; 1574 lookup.essid = ssid; 1575 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1576 if (lookup.se == NULL) 1577 return ENOENT; 1578 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1579 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1580 return EIO; /* XXX unique but could be better */ 1581 return 0; 1582} 1583 1584static int 1585setmlme_assoc_adhoc(struct ieee80211vap *vap, 1586 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1587 const uint8_t ssid[IEEE80211_NWID_LEN]) 1588{ 1589 struct ieee80211_scan_req *sr; 1590 int error; 1591 1592 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS || 1593 vap->iv_opmode == IEEE80211_M_AHDEMO, 1594 ("expected opmode IBSS or AHDEMO not %s", 1595 ieee80211_opmode_name[vap->iv_opmode])); 1596 1597 if (ssid_len == 0 || ssid_len > IEEE80211_NWID_LEN) 1598 return EINVAL; 1599 1600 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 1601 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1602 if (sr == NULL) 1603 return ENOMEM; 1604 1605 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */ 1606 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 1607 vap->iv_des_ssid[0].len = ssid_len; 1608 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len); 1609 vap->iv_des_nssid = 1; 1610 1611 sr->sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE; 1612 sr->sr_duration = IEEE80211_IOC_SCAN_FOREVER; 1613 memcpy(sr->sr_ssid[0].ssid, ssid, ssid_len); 1614 sr->sr_ssid[0].len = ssid_len; 1615 sr->sr_nssid = 1; 1616 1617 error = ieee80211_scanreq(vap, sr); 1618 1619 IEEE80211_FREE(sr, M_TEMP); 1620 return error; 1621} 1622 1623static int 1624ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1625{ 1626 struct ieee80211req_mlme mlme; 1627 int error; 1628 1629 if (ireq->i_len != sizeof(mlme)) 1630 return EINVAL; 1631 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1632 if (error) 1633 return error; 1634 if (vap->iv_opmode == IEEE80211_M_STA && 1635 mlme.im_op == IEEE80211_MLME_ASSOC) 1636 return setmlme_assoc_sta(vap, mlme.im_macaddr, 1637 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1638 else if ((vap->iv_opmode == IEEE80211_M_IBSS || 1639 vap->iv_opmode == IEEE80211_M_AHDEMO) && 1640 mlme.im_op == IEEE80211_MLME_ASSOC) 1641 return setmlme_assoc_adhoc(vap, mlme.im_macaddr, 1642 mlme.im_ssid_len, mlme.im_ssid); 1643 else 1644 return setmlme_common(vap, mlme.im_op, 1645 mlme.im_macaddr, mlme.im_reason); 1646} 1647 1648static int 1649ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1650{ 1651 uint8_t mac[IEEE80211_ADDR_LEN]; 1652 const struct ieee80211_aclator *acl = vap->iv_acl; 1653 int error; 1654 1655 if (ireq->i_len != sizeof(mac)) 1656 return EINVAL; 1657 error = copyin(ireq->i_data, mac, ireq->i_len); 1658 if (error) 1659 return error; 1660 if (acl == NULL) { 1661 acl = ieee80211_aclator_get("mac"); 1662 if (acl == NULL || !acl->iac_attach(vap)) 1663 return EINVAL; 1664 vap->iv_acl = acl; 1665 } 1666 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1667 acl->iac_add(vap, mac); 1668 else 1669 acl->iac_remove(vap, mac); 1670 return 0; 1671} 1672 1673static int 1674ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1675{ 1676 const struct ieee80211_aclator *acl = vap->iv_acl; 1677 1678 switch (ireq->i_val) { 1679 case IEEE80211_MACCMD_POLICY_OPEN: 1680 case IEEE80211_MACCMD_POLICY_ALLOW: 1681 case IEEE80211_MACCMD_POLICY_DENY: 1682 case IEEE80211_MACCMD_POLICY_RADIUS: 1683 if (acl == NULL) { 1684 acl = ieee80211_aclator_get("mac"); 1685 if (acl == NULL || !acl->iac_attach(vap)) 1686 return EINVAL; 1687 vap->iv_acl = acl; 1688 } 1689 acl->iac_setpolicy(vap, ireq->i_val); 1690 break; 1691 case IEEE80211_MACCMD_FLUSH: 1692 if (acl != NULL) 1693 acl->iac_flush(vap); 1694 /* NB: silently ignore when not in use */ 1695 break; 1696 case IEEE80211_MACCMD_DETACH: 1697 if (acl != NULL) { 1698 vap->iv_acl = NULL; 1699 acl->iac_detach(vap); 1700 } 1701 break; 1702 default: 1703 if (acl == NULL) 1704 return EINVAL; 1705 else 1706 return acl->iac_setioctl(vap, ireq); 1707 } 1708 return 0; 1709} 1710 1711static int 1712ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1713{ 1714 struct ieee80211com *ic = vap->iv_ic; 1715 uint8_t *chanlist, *list; 1716 int i, nchan, maxchan, error; 1717 1718 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1719 ireq->i_len = sizeof(ic->ic_chan_active); 1720 list = IEEE80211_MALLOC(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1721 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1722 if (list == NULL) 1723 return ENOMEM; 1724 error = copyin(ireq->i_data, list, ireq->i_len); 1725 if (error) { 1726 IEEE80211_FREE(list, M_TEMP); 1727 return error; 1728 } 1729 nchan = 0; 1730 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1731 maxchan = ireq->i_len * NBBY; 1732 for (i = 0; i < ic->ic_nchans; i++) { 1733 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1734 /* 1735 * Calculate the intersection of the user list and the 1736 * available channels so users can do things like specify 1737 * 1-255 to get all available channels. 1738 */ 1739 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1740 setbit(chanlist, c->ic_ieee); 1741 nchan++; 1742 } 1743 } 1744 if (nchan == 0) { 1745 IEEE80211_FREE(list, M_TEMP); 1746 return EINVAL; 1747 } 1748 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1749 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1750 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1751 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1752 ieee80211_scan_flush(vap); 1753 IEEE80211_FREE(list, M_TEMP); 1754 return ENETRESET; 1755} 1756 1757static int 1758ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1759{ 1760 struct ieee80211_node *ni; 1761 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1762 int error; 1763 1764 /* 1765 * NB: we could copyin ieee80211req_sta_stats so apps 1766 * could make selective changes but that's overkill; 1767 * just clear all stats for now. 1768 */ 1769 if (ireq->i_len < IEEE80211_ADDR_LEN) 1770 return EINVAL; 1771 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1772 if (error != 0) 1773 return error; 1774 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1775 if (ni == NULL) 1776 return ENOENT; 1777 /* XXX require ni_vap == vap? */ 1778 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1779 ieee80211_free_node(ni); 1780 return 0; 1781} 1782 1783static int 1784ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1785{ 1786 struct ieee80211_node *ni; 1787 struct ieee80211req_sta_txpow txpow; 1788 int error; 1789 1790 if (ireq->i_len != sizeof(txpow)) 1791 return EINVAL; 1792 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1793 if (error != 0) 1794 return error; 1795 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1796 if (ni == NULL) 1797 return ENOENT; 1798 ni->ni_txpower = txpow.it_txpow; 1799 ieee80211_free_node(ni); 1800 return error; 1801} 1802 1803static int 1804ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1805{ 1806 struct ieee80211com *ic = vap->iv_ic; 1807 struct ieee80211_wme_state *wme = &ic->ic_wme; 1808 struct wmeParams *wmep, *chanp; 1809 int isbss, ac, aggrmode; 1810 1811 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1812 return EOPNOTSUPP; 1813 1814 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1815 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1816 aggrmode = (wme->wme_flags & WME_F_AGGRMODE); 1817 if (ac >= WME_NUM_AC) 1818 ac = WME_AC_BE; 1819 if (isbss) { 1820 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1821 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1822 } else { 1823 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1824 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1825 } 1826 switch (ireq->i_type) { 1827 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1828 wmep->wmep_logcwmin = ireq->i_val; 1829 if (!isbss || !aggrmode) 1830 chanp->wmep_logcwmin = ireq->i_val; 1831 break; 1832 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1833 wmep->wmep_logcwmax = ireq->i_val; 1834 if (!isbss || !aggrmode) 1835 chanp->wmep_logcwmax = ireq->i_val; 1836 break; 1837 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1838 wmep->wmep_aifsn = ireq->i_val; 1839 if (!isbss || !aggrmode) 1840 chanp->wmep_aifsn = ireq->i_val; 1841 break; 1842 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1843 wmep->wmep_txopLimit = ireq->i_val; 1844 if (!isbss || !aggrmode) 1845 chanp->wmep_txopLimit = ireq->i_val; 1846 break; 1847 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1848 wmep->wmep_acm = ireq->i_val; 1849 if (!aggrmode) 1850 chanp->wmep_acm = ireq->i_val; 1851 break; 1852 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1853 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1854 (ireq->i_val) == 0; 1855 break; 1856 } 1857 ieee80211_wme_updateparams(vap); 1858 return 0; 1859} 1860 1861static int 1862find11gchannel(struct ieee80211com *ic, int start, int freq) 1863{ 1864 const struct ieee80211_channel *c; 1865 int i; 1866 1867 for (i = start+1; i < ic->ic_nchans; i++) { 1868 c = &ic->ic_channels[i]; 1869 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1870 return 1; 1871 } 1872 /* NB: should not be needed but in case things are mis-sorted */ 1873 for (i = 0; i < start; i++) { 1874 c = &ic->ic_channels[i]; 1875 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1876 return 1; 1877 } 1878 return 0; 1879} 1880 1881static struct ieee80211_channel * 1882findchannel(struct ieee80211com *ic, int ieee, int mode) 1883{ 1884 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1885 [IEEE80211_MODE_AUTO] = 0, 1886 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1887 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1888 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1889 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1890 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1891 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1892 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1893 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1894 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1895 /* NB: handled specially below */ 1896 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1897 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1898 [IEEE80211_MODE_VHT_5GHZ] = IEEE80211_CHAN_A, 1899 [IEEE80211_MODE_VHT_2GHZ] = IEEE80211_CHAN_G, 1900 }; 1901 u_int modeflags; 1902 int i; 1903 1904 modeflags = chanflags[mode]; 1905 for (i = 0; i < ic->ic_nchans; i++) { 1906 struct ieee80211_channel *c = &ic->ic_channels[i]; 1907 1908 if (c->ic_ieee != ieee) 1909 continue; 1910 if (mode == IEEE80211_MODE_AUTO) { 1911 /* ignore turbo channels for autoselect */ 1912 if (IEEE80211_IS_CHAN_TURBO(c)) 1913 continue; 1914 /* 1915 * XXX special-case 11b/g channels so we 1916 * always select the g channel if both 1917 * are present. 1918 * XXX prefer HT to non-HT? 1919 */ 1920 if (!IEEE80211_IS_CHAN_B(c) || 1921 !find11gchannel(ic, i, c->ic_freq)) 1922 return c; 1923 } else { 1924 /* must check VHT specifically */ 1925 if ((mode == IEEE80211_MODE_VHT_5GHZ || 1926 mode == IEEE80211_MODE_VHT_2GHZ) && 1927 !IEEE80211_IS_CHAN_VHT(c)) 1928 continue; 1929 1930 /* 1931 * Must check HT specially - only match on HT, 1932 * not HT+VHT channels 1933 */ 1934 if ((mode == IEEE80211_MODE_11NA || 1935 mode == IEEE80211_MODE_11NG) && 1936 !IEEE80211_IS_CHAN_HT(c)) 1937 continue; 1938 1939 if ((mode == IEEE80211_MODE_11NA || 1940 mode == IEEE80211_MODE_11NG) && 1941 IEEE80211_IS_CHAN_VHT(c)) 1942 continue; 1943 1944 /* Check that the modeflags above match */ 1945 if ((c->ic_flags & modeflags) == modeflags) 1946 return c; 1947 } 1948 } 1949 return NULL; 1950} 1951 1952/* 1953 * Check the specified against any desired mode (aka netband). 1954 * This is only used (presently) when operating in hostap mode 1955 * to enforce consistency. 1956 */ 1957static int 1958check_mode_consistency(const struct ieee80211_channel *c, int mode) 1959{ 1960 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1961 1962 switch (mode) { 1963 case IEEE80211_MODE_11B: 1964 return (IEEE80211_IS_CHAN_B(c)); 1965 case IEEE80211_MODE_11G: 1966 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1967 case IEEE80211_MODE_11A: 1968 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1969 case IEEE80211_MODE_STURBO_A: 1970 return (IEEE80211_IS_CHAN_STURBO(c)); 1971 case IEEE80211_MODE_11NA: 1972 return (IEEE80211_IS_CHAN_HTA(c)); 1973 case IEEE80211_MODE_11NG: 1974 return (IEEE80211_IS_CHAN_HTG(c)); 1975 } 1976 return 1; 1977 1978} 1979 1980/* 1981 * Common code to set the current channel. If the device 1982 * is up and running this may result in an immediate channel 1983 * change or a kick of the state machine. 1984 */ 1985static int 1986setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 1987{ 1988 struct ieee80211com *ic = vap->iv_ic; 1989 int error; 1990 1991 if (c != IEEE80211_CHAN_ANYC) { 1992 if (IEEE80211_IS_CHAN_RADAR(c)) 1993 return EBUSY; /* XXX better code? */ 1994 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 1995 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 1996 return EINVAL; 1997 if (!check_mode_consistency(c, vap->iv_des_mode)) 1998 return EINVAL; 1999 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 2000 if (IEEE80211_IS_CHAN_NOADHOC(c)) 2001 return EINVAL; 2002 } 2003 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) && 2004 vap->iv_bss->ni_chan == c) 2005 return 0; /* NB: nothing to do */ 2006 } 2007 vap->iv_des_chan = c; 2008 2009 error = 0; 2010 if (vap->iv_opmode == IEEE80211_M_MONITOR && 2011 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 2012 /* 2013 * Monitor mode can switch directly. 2014 */ 2015 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 2016 /* XXX need state machine for other vap's to follow */ 2017 ieee80211_setcurchan(ic, vap->iv_des_chan); 2018 vap->iv_bss->ni_chan = ic->ic_curchan; 2019 } else { 2020 ic->ic_curchan = vap->iv_des_chan; 2021 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 2022 } 2023 } else { 2024 /* 2025 * Need to go through the state machine in case we 2026 * need to reassociate or the like. The state machine 2027 * will pickup the desired channel and avoid scanning. 2028 */ 2029 if (IS_UP_AUTO(vap)) 2030 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2031 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 2032 /* 2033 * When not up+running and a real channel has 2034 * been specified fix the current channel so 2035 * there is immediate feedback; e.g. via ifconfig. 2036 */ 2037 ic->ic_curchan = vap->iv_des_chan; 2038 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 2039 } 2040 } 2041 return error; 2042} 2043 2044/* 2045 * Old api for setting the current channel; this is 2046 * deprecated because channel numbers are ambiguous. 2047 */ 2048static int 2049ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 2050 const struct ieee80211req *ireq) 2051{ 2052 struct ieee80211com *ic = vap->iv_ic; 2053 struct ieee80211_channel *c; 2054 2055 /* XXX 0xffff overflows 16-bit signed */ 2056 if (ireq->i_val == 0 || 2057 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 2058 c = IEEE80211_CHAN_ANYC; 2059 } else { 2060 struct ieee80211_channel *c2; 2061 2062 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 2063 if (c == NULL) { 2064 c = findchannel(ic, ireq->i_val, 2065 IEEE80211_MODE_AUTO); 2066 if (c == NULL) 2067 return EINVAL; 2068 } 2069 2070 /* 2071 * Fine tune channel selection based on desired mode: 2072 * if 11b is requested, find the 11b version of any 2073 * 11g channel returned, 2074 * if static turbo, find the turbo version of any 2075 * 11a channel return, 2076 * if 11na is requested, find the ht version of any 2077 * 11a channel returned, 2078 * if 11ng is requested, find the ht version of any 2079 * 11g channel returned, 2080 * if 11ac is requested, find the 11ac version 2081 * of any 11a/11na channel returned, 2082 * (TBD) 11acg (2GHz VHT) 2083 * otherwise we should be ok with what we've got. 2084 */ 2085 switch (vap->iv_des_mode) { 2086 case IEEE80211_MODE_11B: 2087 if (IEEE80211_IS_CHAN_ANYG(c)) { 2088 c2 = findchannel(ic, ireq->i_val, 2089 IEEE80211_MODE_11B); 2090 /* NB: should not happen, =>'s 11g w/o 11b */ 2091 if (c2 != NULL) 2092 c = c2; 2093 } 2094 break; 2095 case IEEE80211_MODE_TURBO_A: 2096 if (IEEE80211_IS_CHAN_A(c)) { 2097 c2 = findchannel(ic, ireq->i_val, 2098 IEEE80211_MODE_TURBO_A); 2099 if (c2 != NULL) 2100 c = c2; 2101 } 2102 break; 2103 case IEEE80211_MODE_11NA: 2104 if (IEEE80211_IS_CHAN_A(c)) { 2105 c2 = findchannel(ic, ireq->i_val, 2106 IEEE80211_MODE_11NA); 2107 if (c2 != NULL) 2108 c = c2; 2109 } 2110 break; 2111 case IEEE80211_MODE_11NG: 2112 if (IEEE80211_IS_CHAN_ANYG(c)) { 2113 c2 = findchannel(ic, ireq->i_val, 2114 IEEE80211_MODE_11NG); 2115 if (c2 != NULL) 2116 c = c2; 2117 } 2118 break; 2119 case IEEE80211_MODE_VHT_2GHZ: 2120 printf("%s: TBD\n", __func__); 2121 break; 2122 case IEEE80211_MODE_VHT_5GHZ: 2123 if (IEEE80211_IS_CHAN_A(c)) { 2124 c2 = findchannel(ic, ireq->i_val, 2125 IEEE80211_MODE_VHT_5GHZ); 2126 if (c2 != NULL) 2127 c = c2; 2128 } 2129 break; 2130 default: /* NB: no static turboG */ 2131 break; 2132 } 2133 } 2134 return setcurchan(vap, c); 2135} 2136 2137/* 2138 * New/current api for setting the current channel; a complete 2139 * channel description is provide so there is no ambiguity in 2140 * identifying the channel. 2141 */ 2142static int 2143ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 2144 const struct ieee80211req *ireq) 2145{ 2146 struct ieee80211com *ic = vap->iv_ic; 2147 struct ieee80211_channel chan, *c; 2148 int error; 2149 2150 if (ireq->i_len != sizeof(chan)) 2151 return EINVAL; 2152 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2153 if (error != 0) 2154 return error; 2155 2156 /* XXX 0xffff overflows 16-bit signed */ 2157 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2158 c = IEEE80211_CHAN_ANYC; 2159 } else { 2160 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2161 if (c == NULL) 2162 return EINVAL; 2163 } 2164 return setcurchan(vap, c); 2165} 2166 2167static int 2168ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2169 const struct ieee80211req *ireq) 2170{ 2171 struct ieee80211_regdomain_req *reg; 2172 int nchans, error; 2173 2174 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2175 sizeof(struct ieee80211_channel)); 2176 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2177 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2178 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2179 ireq->i_len, nchans); 2180 return EINVAL; 2181 } 2182 reg = (struct ieee80211_regdomain_req *) 2183 IEEE80211_MALLOC(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, 2184 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2185 if (reg == NULL) { 2186 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2187 "%s: no memory, nchans %d\n", __func__, nchans); 2188 return ENOMEM; 2189 } 2190 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2191 if (error == 0) { 2192 /* NB: validate inline channel count against storage size */ 2193 if (reg->chaninfo.ic_nchans != nchans) { 2194 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2195 "%s: chan cnt mismatch, %d != %d\n", __func__, 2196 reg->chaninfo.ic_nchans, nchans); 2197 error = EINVAL; 2198 } else 2199 error = ieee80211_setregdomain(vap, reg); 2200 } 2201 IEEE80211_FREE(reg, M_TEMP); 2202 2203 return (error == 0 ? ENETRESET : error); 2204} 2205 2206static int 2207checkrate(const struct ieee80211_rateset *rs, int rate) 2208{ 2209 int i; 2210 2211 if (rate == IEEE80211_FIXED_RATE_NONE) 2212 return 1; 2213 for (i = 0; i < rs->rs_nrates; i++) 2214 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2215 return 1; 2216 return 0; 2217} 2218 2219static int 2220checkmcs(const struct ieee80211_htrateset *rs, int mcs) 2221{ 2222 int rate_val = IEEE80211_RV(mcs); 2223 int i; 2224 2225 if (mcs == IEEE80211_FIXED_RATE_NONE) 2226 return 1; 2227 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2228 return 0; 2229 for (i = 0; i < rs->rs_nrates; i++) 2230 if (IEEE80211_RV(rs->rs_rates[i]) == rate_val) 2231 return 1; 2232 return 0; 2233} 2234 2235static int 2236ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2237 const struct ieee80211req *ireq) 2238{ 2239 struct ieee80211com *ic = vap->iv_ic; 2240 struct ieee80211_roamparams_req *parms; 2241 struct ieee80211_roamparam *src, *dst; 2242 const struct ieee80211_htrateset *rs_ht; 2243 const struct ieee80211_rateset *rs; 2244 int changed, error, mode, is11n, nmodes; 2245 2246 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2247 return EINVAL; 2248 2249 parms = IEEE80211_MALLOC(sizeof(*parms), M_TEMP, 2250 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2251 if (parms == NULL) 2252 return ENOMEM; 2253 2254 error = copyin(ireq->i_data, parms, ireq->i_len); 2255 if (error != 0) 2256 goto fail; 2257 2258 changed = 0; 2259 nmodes = IEEE80211_MODE_MAX; 2260 2261 /* validate parameters and check if anything changed */ 2262 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2263 if (isclr(ic->ic_modecaps, mode)) 2264 continue; 2265 src = &parms->params[mode]; 2266 dst = &vap->iv_roamparms[mode]; 2267 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2268 rs_ht = &ic->ic_sup_htrates; 2269 is11n = (mode == IEEE80211_MODE_11NA || 2270 mode == IEEE80211_MODE_11NG); 2271 /* XXX TODO: 11ac */ 2272 if (src->rate != dst->rate) { 2273 if (!checkrate(rs, src->rate) && 2274 (!is11n || !checkmcs(rs_ht, src->rate))) { 2275 error = EINVAL; 2276 goto fail; 2277 } 2278 changed++; 2279 } 2280 if (src->rssi != dst->rssi) 2281 changed++; 2282 } 2283 if (changed) { 2284 /* 2285 * Copy new parameters in place and notify the 2286 * driver so it can push state to the device. 2287 */ 2288 /* XXX locking? */ 2289 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2290 if (isset(ic->ic_modecaps, mode)) 2291 vap->iv_roamparms[mode] = parms->params[mode]; 2292 } 2293 2294 if (vap->iv_roaming == IEEE80211_ROAMING_DEVICE) 2295 error = ERESTART; 2296 } 2297 2298fail: IEEE80211_FREE(parms, M_TEMP); 2299 return error; 2300} 2301 2302static int 2303ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2304 const struct ieee80211req *ireq) 2305{ 2306 struct ieee80211com *ic = vap->iv_ic; 2307 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2308 struct ieee80211_txparam *src, *dst; 2309 const struct ieee80211_htrateset *rs_ht; 2310 const struct ieee80211_rateset *rs; 2311 int error, mode, changed, is11n, nmodes; 2312 2313 /* NB: accept short requests for backwards compat */ 2314 if (ireq->i_len > sizeof(parms)) 2315 return EINVAL; 2316 error = copyin(ireq->i_data, &parms, ireq->i_len); 2317 if (error != 0) 2318 return error; 2319 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2320 changed = 0; 2321 /* validate parameters and check if anything changed */ 2322 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2323 if (isclr(ic->ic_modecaps, mode)) 2324 continue; 2325 src = &parms.params[mode]; 2326 dst = &vap->iv_txparms[mode]; 2327 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2328 rs_ht = &ic->ic_sup_htrates; 2329 is11n = (mode == IEEE80211_MODE_11NA || 2330 mode == IEEE80211_MODE_11NG); 2331 if (src->ucastrate != dst->ucastrate) { 2332 if (!checkrate(rs, src->ucastrate) && 2333 (!is11n || !checkmcs(rs_ht, src->ucastrate))) 2334 return EINVAL; 2335 changed++; 2336 } 2337 if (src->mcastrate != dst->mcastrate) { 2338 if (!checkrate(rs, src->mcastrate) && 2339 (!is11n || !checkmcs(rs_ht, src->mcastrate))) 2340 return EINVAL; 2341 changed++; 2342 } 2343 if (src->mgmtrate != dst->mgmtrate) { 2344 if (!checkrate(rs, src->mgmtrate) && 2345 (!is11n || !checkmcs(rs_ht, src->mgmtrate))) 2346 return EINVAL; 2347 changed++; 2348 } 2349 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2350 changed++; 2351 } 2352 if (changed) { 2353 /* 2354 * Copy new parameters in place and notify the 2355 * driver so it can push state to the device. 2356 */ 2357 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2358 if (isset(ic->ic_modecaps, mode)) 2359 vap->iv_txparms[mode] = parms.params[mode]; 2360 } 2361 /* XXX could be more intelligent, 2362 e.g. don't reset if setting not being used */ 2363 return ENETRESET; 2364 } 2365 return 0; 2366} 2367 2368/* 2369 * Application Information Element support. 2370 */ 2371static int 2372setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2373{ 2374 struct ieee80211_appie *app = *aie; 2375 struct ieee80211_appie *napp; 2376 int error; 2377 2378 if (ireq->i_len == 0) { /* delete any existing ie */ 2379 if (app != NULL) { 2380 *aie = NULL; /* XXX racey */ 2381 IEEE80211_FREE(app, M_80211_NODE_IE); 2382 } 2383 return 0; 2384 } 2385 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2386 return EINVAL; 2387 /* 2388 * Allocate a new appie structure and copy in the user data. 2389 * When done swap in the new structure. Note that we do not 2390 * guard against users holding a ref to the old structure; 2391 * this must be handled outside this code. 2392 * 2393 * XXX bad bad bad 2394 */ 2395 napp = (struct ieee80211_appie *) IEEE80211_MALLOC( 2396 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, 2397 IEEE80211_M_NOWAIT); 2398 if (napp == NULL) 2399 return ENOMEM; 2400 /* XXX holding ic lock */ 2401 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2402 if (error) { 2403 IEEE80211_FREE(napp, M_80211_NODE_IE); 2404 return error; 2405 } 2406 napp->ie_len = ireq->i_len; 2407 *aie = napp; 2408 if (app != NULL) 2409 IEEE80211_FREE(app, M_80211_NODE_IE); 2410 return 0; 2411} 2412 2413static void 2414setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2415{ 2416 /* validate data is present as best we can */ 2417 if (space == 0 || 2+ie[1] > space) 2418 return; 2419 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2420 vap->iv_wpa_ie = ie; 2421 else if (ie[0] == IEEE80211_ELEMID_RSN) 2422 vap->iv_rsn_ie = ie; 2423} 2424 2425static int 2426ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2427 const struct ieee80211req *ireq, int fc0) 2428{ 2429 int error; 2430 2431 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2432 2433 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2434 case IEEE80211_FC0_SUBTYPE_BEACON: 2435 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2436 vap->iv_opmode != IEEE80211_M_IBSS) { 2437 error = EINVAL; 2438 break; 2439 } 2440 error = setappie(&vap->iv_appie_beacon, ireq); 2441 if (error == 0) 2442 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2443 break; 2444 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2445 error = setappie(&vap->iv_appie_proberesp, ireq); 2446 break; 2447 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2448 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2449 error = setappie(&vap->iv_appie_assocresp, ireq); 2450 else 2451 error = EINVAL; 2452 break; 2453 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2454 error = setappie(&vap->iv_appie_probereq, ireq); 2455 break; 2456 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2457 if (vap->iv_opmode == IEEE80211_M_STA) 2458 error = setappie(&vap->iv_appie_assocreq, ireq); 2459 else 2460 error = EINVAL; 2461 break; 2462 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2463 error = setappie(&vap->iv_appie_wpa, ireq); 2464 if (error == 0) { 2465 /* 2466 * Must split single blob of data into separate 2467 * WPA and RSN ie's because they go in different 2468 * locations in the mgt frames. 2469 * XXX use IEEE80211_IOC_WPA2 so user code does split 2470 */ 2471 vap->iv_wpa_ie = NULL; 2472 vap->iv_rsn_ie = NULL; 2473 if (vap->iv_appie_wpa != NULL) { 2474 struct ieee80211_appie *appie = 2475 vap->iv_appie_wpa; 2476 uint8_t *data = appie->ie_data; 2477 2478 /* XXX ie length validate is painful, cheat */ 2479 setwparsnie(vap, data, appie->ie_len); 2480 setwparsnie(vap, data + 2 + data[1], 2481 appie->ie_len - (2 + data[1])); 2482 } 2483 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2484 vap->iv_opmode == IEEE80211_M_IBSS) { 2485 /* 2486 * Must rebuild beacon frame as the update 2487 * mechanism doesn't handle WPA/RSN ie's. 2488 * Could extend it but it doesn't normally 2489 * change; this is just to deal with hostapd 2490 * plumbing the ie after the interface is up. 2491 */ 2492 error = ENETRESET; 2493 } 2494 } 2495 break; 2496 default: 2497 error = EINVAL; 2498 break; 2499 } 2500 return error; 2501} 2502 2503static int 2504ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2505 const struct ieee80211req *ireq) 2506{ 2507 struct ieee80211com *ic = vap->iv_ic; 2508 int error; 2509 uint8_t fc0; 2510 2511 fc0 = ireq->i_val & 0xff; 2512 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2513 return EINVAL; 2514 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2515 IEEE80211_LOCK(ic); 2516 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2517 IEEE80211_UNLOCK(ic); 2518 return error; 2519} 2520 2521static int 2522ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2523{ 2524 struct ieee80211com *ic = vap->iv_ic; 2525 struct ieee80211_chanswitch_req csr; 2526 struct ieee80211_channel *c; 2527 int error; 2528 2529 if (ireq->i_len != sizeof(csr)) 2530 return EINVAL; 2531 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2532 if (error != 0) 2533 return error; 2534 /* XXX adhoc mode not supported */ 2535 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2536 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2537 return EOPNOTSUPP; 2538 c = ieee80211_find_channel(ic, 2539 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2540 if (c == NULL) 2541 return ENOENT; 2542 IEEE80211_LOCK(ic); 2543 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2544 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2545 else if (csr.csa_count == 0) 2546 ieee80211_csa_cancelswitch(ic); 2547 else 2548 error = EBUSY; 2549 IEEE80211_UNLOCK(ic); 2550 return error; 2551} 2552 2553static int 2554ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr) 2555{ 2556#define IEEE80211_IOC_SCAN_FLAGS \ 2557 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2558 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2559 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2560 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2561 IEEE80211_IOC_SCAN_CHECK) 2562 struct ieee80211com *ic = vap->iv_ic; 2563 int error, i; 2564 2565 /* convert duration */ 2566 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2567 sr->sr_duration = IEEE80211_SCAN_FOREVER; 2568 else { 2569 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2570 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2571 return EINVAL; 2572 sr->sr_duration = msecs_to_ticks(sr->sr_duration); 2573 } 2574 /* convert min/max channel dwell */ 2575 if (sr->sr_mindwell != 0) 2576 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell); 2577 if (sr->sr_maxdwell != 0) 2578 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell); 2579 /* NB: silently reduce ssid count to what is supported */ 2580 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID) 2581 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID; 2582 for (i = 0; i < sr->sr_nssid; i++) 2583 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN) 2584 return EINVAL; 2585 /* cleanse flags just in case, could reject if invalid flags */ 2586 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2587 /* 2588 * Add an implicit NOPICK if the vap is not marked UP. This 2589 * allows applications to scan without joining a bss (or picking 2590 * a channel and setting up a bss) and without forcing manual 2591 * roaming mode--you just need to mark the parent device UP. 2592 */ 2593 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2594 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2595 2596 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2597 "%s: vap %p iv_state %#x (%s) flags 0x%x%s " 2598 "duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2599 __func__, vap, vap->iv_state, ieee80211_state_name[vap->iv_state], 2600 sr->sr_flags, 2601 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2602 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid); 2603 /* 2604 * If we are in INIT state then the driver has never had a chance 2605 * to setup hardware state to do a scan; we must use the state 2606 * machine to get us up to the SCAN state but once we reach SCAN 2607 * state we then want to use the supplied params. Stash the 2608 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2609 * state machines will recognize this and use the stashed params 2610 * to issue the scan request. 2611 * 2612 * Otherwise just invoke the scan machinery directly. 2613 */ 2614 IEEE80211_LOCK(ic); 2615 if (ic->ic_nrunning == 0) { 2616 IEEE80211_UNLOCK(ic); 2617 return ENXIO; 2618 } 2619 2620 if (vap->iv_state == IEEE80211_S_INIT) { 2621 /* NB: clobbers previous settings */ 2622 vap->iv_scanreq_flags = sr->sr_flags; 2623 vap->iv_scanreq_duration = sr->sr_duration; 2624 vap->iv_scanreq_nssid = sr->sr_nssid; 2625 for (i = 0; i < sr->sr_nssid; i++) { 2626 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len; 2627 memcpy(vap->iv_scanreq_ssid[i].ssid, 2628 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len); 2629 } 2630 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2631 IEEE80211_UNLOCK(ic); 2632 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2633 } else { 2634 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2635 IEEE80211_UNLOCK(ic); 2636 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2637 error = ieee80211_check_scan(vap, sr->sr_flags, 2638 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2639 sr->sr_nssid, 2640 /* NB: cheat, we assume structures are compatible */ 2641 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2642 } else { 2643 error = ieee80211_start_scan(vap, sr->sr_flags, 2644 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2645 sr->sr_nssid, 2646 /* NB: cheat, we assume structures are compatible */ 2647 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2648 } 2649 if (error == 0) 2650 return EINPROGRESS; 2651 } 2652 return 0; 2653#undef IEEE80211_IOC_SCAN_FLAGS 2654} 2655 2656static int 2657ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2658{ 2659 struct ieee80211_scan_req *sr; 2660 int error; 2661 2662 if (ireq->i_len != sizeof(*sr)) 2663 return EINVAL; 2664 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 2665 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2666 if (sr == NULL) 2667 return ENOMEM; 2668 error = copyin(ireq->i_data, sr, sizeof(*sr)); 2669 if (error != 0) 2670 goto bad; 2671 error = ieee80211_scanreq(vap, sr); 2672bad: 2673 IEEE80211_FREE(sr, M_TEMP); 2674 return error; 2675} 2676 2677static int 2678ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2679{ 2680 struct ieee80211_node *ni; 2681 struct ieee80211req_sta_vlan vlan; 2682 int error; 2683 2684 if (ireq->i_len != sizeof(vlan)) 2685 return EINVAL; 2686 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2687 if (error != 0) 2688 return error; 2689 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2690 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2691 vlan.sv_macaddr); 2692 if (ni == NULL) 2693 return ENOENT; 2694 } else 2695 ni = ieee80211_ref_node(vap->iv_bss); 2696 ni->ni_vlan = vlan.sv_vlan; 2697 ieee80211_free_node(ni); 2698 return error; 2699} 2700 2701static int 2702isvap11g(const struct ieee80211vap *vap) 2703{ 2704 const struct ieee80211_node *bss = vap->iv_bss; 2705 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2706 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2707} 2708 2709static int 2710isvapht(const struct ieee80211vap *vap) 2711{ 2712 const struct ieee80211_node *bss = vap->iv_bss; 2713 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2714 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2715} 2716 2717/* 2718 * Dummy ioctl set handler so the linker set is defined. 2719 */ 2720static int 2721dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2722{ 2723 return ENOSYS; 2724} 2725IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2726 2727static int 2728ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2729{ 2730 ieee80211_ioctl_setfunc * const *set; 2731 int error; 2732 2733 SET_FOREACH(set, ieee80211_ioctl_setset) { 2734 error = (*set)(vap, ireq); 2735 if (error != ENOSYS) 2736 return error; 2737 } 2738 return EINVAL; 2739} 2740 2741static int 2742ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2743{ 2744 struct ieee80211com *ic = vap->iv_ic; 2745 int error; 2746 const struct ieee80211_authenticator *auth; 2747 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2748 char tmpssid[IEEE80211_NWID_LEN]; 2749 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2750 struct ieee80211_key *k; 2751 u_int kid; 2752 uint32_t flags; 2753 2754 error = 0; 2755 switch (ireq->i_type) { 2756 case IEEE80211_IOC_SSID: 2757 if (ireq->i_val != 0 || 2758 ireq->i_len > IEEE80211_NWID_LEN) 2759 return EINVAL; 2760 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2761 if (error) 2762 break; 2763 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2764 vap->iv_des_ssid[0].len = ireq->i_len; 2765 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2766 vap->iv_des_nssid = (ireq->i_len > 0); 2767 error = ENETRESET; 2768 break; 2769 case IEEE80211_IOC_WEP: 2770 switch (ireq->i_val) { 2771 case IEEE80211_WEP_OFF: 2772 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2773 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2774 break; 2775 case IEEE80211_WEP_ON: 2776 vap->iv_flags |= IEEE80211_F_PRIVACY; 2777 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2778 break; 2779 case IEEE80211_WEP_MIXED: 2780 vap->iv_flags |= IEEE80211_F_PRIVACY; 2781 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2782 break; 2783 } 2784 error = ENETRESET; 2785 break; 2786 case IEEE80211_IOC_WEPKEY: 2787 kid = (u_int) ireq->i_val; 2788 if (kid >= IEEE80211_WEP_NKID) 2789 return EINVAL; 2790 k = &vap->iv_nw_keys[kid]; 2791 if (ireq->i_len == 0) { 2792 /* zero-len =>'s delete any existing key */ 2793 (void) ieee80211_crypto_delkey(vap, k); 2794 break; 2795 } 2796 if (ireq->i_len > sizeof(tmpkey)) 2797 return EINVAL; 2798 memset(tmpkey, 0, sizeof(tmpkey)); 2799 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2800 if (error) 2801 break; 2802 ieee80211_key_update_begin(vap); 2803 k->wk_keyix = kid; /* NB: force fixed key id */ 2804 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2805 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2806 k->wk_keylen = ireq->i_len; 2807 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2808 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2809 if (!ieee80211_crypto_setkey(vap, k)) 2810 error = EINVAL; 2811 } else 2812 error = EINVAL; 2813 ieee80211_key_update_end(vap); 2814 break; 2815 case IEEE80211_IOC_WEPTXKEY: 2816 kid = (u_int) ireq->i_val; 2817 if (kid >= IEEE80211_WEP_NKID && 2818 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2819 return EINVAL; 2820 /* 2821 * Firmware devices may need to be told about an explicit 2822 * key index here, versus just inferring it from the 2823 * key set / change. Since we may also need to pause 2824 * things like transmit before the key is updated, 2825 * give the driver a chance to flush things by tying 2826 * into key update begin/end. 2827 */ 2828 ieee80211_key_update_begin(vap); 2829 ieee80211_crypto_set_deftxkey(vap, kid); 2830 ieee80211_key_update_end(vap); 2831 break; 2832 case IEEE80211_IOC_AUTHMODE: 2833 switch (ireq->i_val) { 2834 case IEEE80211_AUTH_WPA: 2835 case IEEE80211_AUTH_8021X: /* 802.1x */ 2836 case IEEE80211_AUTH_OPEN: /* open */ 2837 case IEEE80211_AUTH_SHARED: /* shared-key */ 2838 case IEEE80211_AUTH_AUTO: /* auto */ 2839 auth = ieee80211_authenticator_get(ireq->i_val); 2840 if (auth == NULL) 2841 return EINVAL; 2842 break; 2843 default: 2844 return EINVAL; 2845 } 2846 switch (ireq->i_val) { 2847 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2848 vap->iv_flags |= IEEE80211_F_PRIVACY; 2849 ireq->i_val = IEEE80211_AUTH_8021X; 2850 break; 2851 case IEEE80211_AUTH_OPEN: /* open */ 2852 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2853 break; 2854 case IEEE80211_AUTH_SHARED: /* shared-key */ 2855 case IEEE80211_AUTH_8021X: /* 802.1x */ 2856 vap->iv_flags &= ~IEEE80211_F_WPA; 2857 /* both require a key so mark the PRIVACY capability */ 2858 vap->iv_flags |= IEEE80211_F_PRIVACY; 2859 break; 2860 case IEEE80211_AUTH_AUTO: /* auto */ 2861 vap->iv_flags &= ~IEEE80211_F_WPA; 2862 /* XXX PRIVACY handling? */ 2863 /* XXX what's the right way to do this? */ 2864 break; 2865 } 2866 /* NB: authenticator attach/detach happens on state change */ 2867 vap->iv_bss->ni_authmode = ireq->i_val; 2868 /* XXX mixed/mode/usage? */ 2869 vap->iv_auth = auth; 2870 error = ENETRESET; 2871 break; 2872 case IEEE80211_IOC_CHANNEL: 2873 error = ieee80211_ioctl_setchannel(vap, ireq); 2874 break; 2875 case IEEE80211_IOC_POWERSAVE: 2876 switch (ireq->i_val) { 2877 case IEEE80211_POWERSAVE_OFF: 2878 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2879 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2880 error = ERESTART; 2881 } 2882 break; 2883 case IEEE80211_POWERSAVE_ON: 2884 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2885 error = EOPNOTSUPP; 2886 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2887 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2888 error = ERESTART; 2889 } 2890 break; 2891 default: 2892 error = EINVAL; 2893 break; 2894 } 2895 break; 2896 case IEEE80211_IOC_POWERSAVESLEEP: 2897 if (ireq->i_val < 0) 2898 return EINVAL; 2899 ic->ic_lintval = ireq->i_val; 2900 error = ERESTART; 2901 break; 2902 case IEEE80211_IOC_RTSTHRESHOLD: 2903 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2904 ireq->i_val <= IEEE80211_RTS_MAX)) 2905 return EINVAL; 2906 vap->iv_rtsthreshold = ireq->i_val; 2907 error = ERESTART; 2908 break; 2909 case IEEE80211_IOC_PROTMODE: 2910 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2911 return EINVAL; 2912 vap->iv_protmode = (enum ieee80211_protmode)ireq->i_val; 2913 /* NB: if not operating in 11g this can wait */ 2914 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2915 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2916 error = ERESTART; 2917 /* driver callback for protection mode update */ 2918 ieee80211_vap_update_erp_protmode(vap); 2919 break; 2920 case IEEE80211_IOC_TXPOWER: 2921 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2922 return EOPNOTSUPP; 2923 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2924 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2925 return EINVAL; 2926 ic->ic_txpowlimit = ireq->i_val; 2927 error = ERESTART; 2928 break; 2929 case IEEE80211_IOC_ROAMING: 2930 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2931 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2932 return EINVAL; 2933 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val; 2934 /* XXXX reset? */ 2935 break; 2936 case IEEE80211_IOC_PRIVACY: 2937 if (ireq->i_val) { 2938 /* XXX check for key state? */ 2939 vap->iv_flags |= IEEE80211_F_PRIVACY; 2940 } else 2941 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2942 /* XXX ERESTART? */ 2943 break; 2944 case IEEE80211_IOC_DROPUNENCRYPTED: 2945 if (ireq->i_val) 2946 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2947 else 2948 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2949 /* XXX ERESTART? */ 2950 break; 2951 case IEEE80211_IOC_WPAKEY: 2952 error = ieee80211_ioctl_setkey(vap, ireq); 2953 break; 2954 case IEEE80211_IOC_DELKEY: 2955 error = ieee80211_ioctl_delkey(vap, ireq); 2956 break; 2957 case IEEE80211_IOC_MLME: 2958 error = ieee80211_ioctl_setmlme(vap, ireq); 2959 break; 2960 case IEEE80211_IOC_COUNTERMEASURES: 2961 if (ireq->i_val) { 2962 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2963 return EOPNOTSUPP; 2964 vap->iv_flags |= IEEE80211_F_COUNTERM; 2965 } else 2966 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2967 /* XXX ERESTART? */ 2968 break; 2969 case IEEE80211_IOC_WPA: 2970 if (ireq->i_val > 3) 2971 return EINVAL; 2972 /* XXX verify ciphers available */ 2973 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2974 switch (ireq->i_val) { 2975 case 0: 2976 /* wpa_supplicant calls this to clear the WPA config */ 2977 break; 2978 case 1: 2979 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2980 return EOPNOTSUPP; 2981 flags |= IEEE80211_F_WPA1; 2982 break; 2983 case 2: 2984 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2985 return EOPNOTSUPP; 2986 flags |= IEEE80211_F_WPA2; 2987 break; 2988 case 3: 2989 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2990 return EOPNOTSUPP; 2991 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2992 break; 2993 default: /* Can't set any -> error */ 2994 return EOPNOTSUPP; 2995 } 2996 vap->iv_flags = flags; 2997 error = ERESTART; /* NB: can change beacon frame */ 2998 break; 2999 case IEEE80211_IOC_WME: 3000 if (ireq->i_val) { 3001 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 3002 return EOPNOTSUPP; 3003 ieee80211_syncflag(vap, IEEE80211_F_WME); 3004 } else 3005 ieee80211_syncflag(vap, -IEEE80211_F_WME); 3006 error = ERESTART; /* NB: can change beacon frame */ 3007 break; 3008 case IEEE80211_IOC_HIDESSID: 3009 if (ireq->i_val) 3010 vap->iv_flags |= IEEE80211_F_HIDESSID; 3011 else 3012 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 3013 error = ERESTART; /* XXX ENETRESET? */ 3014 break; 3015 case IEEE80211_IOC_APBRIDGE: 3016 if (ireq->i_val == 0) 3017 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 3018 else 3019 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 3020 break; 3021 case IEEE80211_IOC_BSSID: 3022 if (ireq->i_len != sizeof(tmpbssid)) 3023 return EINVAL; 3024 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 3025 if (error) 3026 break; 3027 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 3028 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 3029 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 3030 else 3031 vap->iv_flags |= IEEE80211_F_DESBSSID; 3032 error = ENETRESET; 3033 break; 3034 case IEEE80211_IOC_CHANLIST: 3035 error = ieee80211_ioctl_setchanlist(vap, ireq); 3036 break; 3037#define OLD_IEEE80211_IOC_SCAN_REQ 23 3038#ifdef OLD_IEEE80211_IOC_SCAN_REQ 3039 case OLD_IEEE80211_IOC_SCAN_REQ: 3040 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 3041 "%s: active scan request\n", __func__); 3042 /* 3043 * If we are in INIT state then the driver has never 3044 * had a chance to setup hardware state to do a scan; 3045 * use the state machine to get us up the SCAN state. 3046 * Otherwise just invoke the scan machinery to start 3047 * a one-time scan. 3048 */ 3049 if (vap->iv_state == IEEE80211_S_INIT) 3050 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 3051 else 3052 (void) ieee80211_start_scan(vap, 3053 IEEE80211_SCAN_ACTIVE | 3054 IEEE80211_SCAN_NOPICK | 3055 IEEE80211_SCAN_ONCE, 3056 IEEE80211_SCAN_FOREVER, 0, 0, 3057 /* XXX use ioctl params */ 3058 vap->iv_des_nssid, vap->iv_des_ssid); 3059 break; 3060#endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 3061 case IEEE80211_IOC_SCAN_REQ: 3062 error = ieee80211_ioctl_scanreq(vap, ireq); 3063 break; 3064 case IEEE80211_IOC_SCAN_CANCEL: 3065 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 3066 "%s: cancel scan\n", __func__); 3067 ieee80211_cancel_scan(vap); 3068 break; 3069 case IEEE80211_IOC_HTCONF: 3070 if (ireq->i_val & 1) 3071 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 3072 else 3073 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 3074 if (ireq->i_val & 2) 3075 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 3076 else 3077 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 3078 error = ENETRESET; 3079 break; 3080 case IEEE80211_IOC_ADDMAC: 3081 case IEEE80211_IOC_DELMAC: 3082 error = ieee80211_ioctl_macmac(vap, ireq); 3083 break; 3084 case IEEE80211_IOC_MACCMD: 3085 error = ieee80211_ioctl_setmaccmd(vap, ireq); 3086 break; 3087 case IEEE80211_IOC_STA_STATS: 3088 error = ieee80211_ioctl_setstastats(vap, ireq); 3089 break; 3090 case IEEE80211_IOC_STA_TXPOW: 3091 error = ieee80211_ioctl_setstatxpow(vap, ireq); 3092 break; 3093 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 3094 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 3095 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 3096 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 3097 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 3098 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 3099 error = ieee80211_ioctl_setwmeparam(vap, ireq); 3100 break; 3101 case IEEE80211_IOC_DTIM_PERIOD: 3102 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3103 vap->iv_opmode != IEEE80211_M_MBSS && 3104 vap->iv_opmode != IEEE80211_M_IBSS) 3105 return EINVAL; 3106 if (IEEE80211_DTIM_MIN <= ireq->i_val && 3107 ireq->i_val <= IEEE80211_DTIM_MAX) { 3108 vap->iv_dtim_period = ireq->i_val; 3109 error = ENETRESET; /* requires restart */ 3110 } else 3111 error = EINVAL; 3112 break; 3113 case IEEE80211_IOC_BEACON_INTERVAL: 3114 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3115 vap->iv_opmode != IEEE80211_M_MBSS && 3116 vap->iv_opmode != IEEE80211_M_IBSS) 3117 return EINVAL; 3118 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 3119 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 3120 ic->ic_bintval = ireq->i_val; 3121 error = ENETRESET; /* requires restart */ 3122 } else 3123 error = EINVAL; 3124 break; 3125 case IEEE80211_IOC_PUREG: 3126 if (ireq->i_val) 3127 vap->iv_flags |= IEEE80211_F_PUREG; 3128 else 3129 vap->iv_flags &= ~IEEE80211_F_PUREG; 3130 /* NB: reset only if we're operating on an 11g channel */ 3131 if (isvap11g(vap)) 3132 error = ENETRESET; 3133 break; 3134 case IEEE80211_IOC_QUIET: 3135 vap->iv_quiet= ireq->i_val; 3136 break; 3137 case IEEE80211_IOC_QUIET_COUNT: 3138 vap->iv_quiet_count=ireq->i_val; 3139 break; 3140 case IEEE80211_IOC_QUIET_PERIOD: 3141 vap->iv_quiet_period=ireq->i_val; 3142 break; 3143 case IEEE80211_IOC_QUIET_OFFSET: 3144 vap->iv_quiet_offset=ireq->i_val; 3145 break; 3146 case IEEE80211_IOC_QUIET_DUR: 3147 if(ireq->i_val < vap->iv_bss->ni_intval) 3148 vap->iv_quiet_duration = ireq->i_val; 3149 else 3150 error = EINVAL; 3151 break; 3152 case IEEE80211_IOC_BGSCAN: 3153 if (ireq->i_val) { 3154 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 3155 return EOPNOTSUPP; 3156 vap->iv_flags |= IEEE80211_F_BGSCAN; 3157 } else 3158 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 3159 break; 3160 case IEEE80211_IOC_BGSCAN_IDLE: 3161 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 3162 vap->iv_bgscanidle = ireq->i_val*hz/1000; 3163 else 3164 error = EINVAL; 3165 break; 3166 case IEEE80211_IOC_BGSCAN_INTERVAL: 3167 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 3168 vap->iv_bgscanintvl = ireq->i_val*hz; 3169 else 3170 error = EINVAL; 3171 break; 3172 case IEEE80211_IOC_SCANVALID: 3173 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 3174 vap->iv_scanvalid = ireq->i_val*hz; 3175 else 3176 error = EINVAL; 3177 break; 3178 case IEEE80211_IOC_FRAGTHRESHOLD: 3179 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 3180 ireq->i_val != IEEE80211_FRAG_MAX) 3181 return EOPNOTSUPP; 3182 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 3183 ireq->i_val <= IEEE80211_FRAG_MAX)) 3184 return EINVAL; 3185 vap->iv_fragthreshold = ireq->i_val; 3186 error = ERESTART; 3187 break; 3188 case IEEE80211_IOC_BURST: 3189 if (ireq->i_val) { 3190 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 3191 return EOPNOTSUPP; 3192 ieee80211_syncflag(vap, IEEE80211_F_BURST); 3193 } else 3194 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 3195 error = ERESTART; 3196 break; 3197 case IEEE80211_IOC_BMISSTHRESHOLD: 3198 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 3199 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 3200 return EINVAL; 3201 vap->iv_bmissthreshold = ireq->i_val; 3202 error = ERESTART; 3203 break; 3204 case IEEE80211_IOC_CURCHAN: 3205 error = ieee80211_ioctl_setcurchan(vap, ireq); 3206 break; 3207 case IEEE80211_IOC_SHORTGI: 3208 if (ireq->i_val) { 3209#define IEEE80211_HTCAP_SHORTGI \ 3210 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 3211 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 3212 return EINVAL; 3213 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 3214 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 3215 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 3216 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 3217#undef IEEE80211_HTCAP_SHORTGI 3218 } else 3219 vap->iv_flags_ht &= 3220 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 3221 error = ERESTART; 3222 break; 3223 case IEEE80211_IOC_AMPDU: 3224 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 3225 return EINVAL; 3226 if (ireq->i_val & 1) 3227 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 3228 else 3229 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 3230 if (ireq->i_val & 2) 3231 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 3232 else 3233 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 3234 /* NB: reset only if we're operating on an 11n channel */ 3235 if (isvapht(vap)) 3236 error = ERESTART; 3237 break; 3238 case IEEE80211_IOC_AMPDU_LIMIT: 3239 /* XXX TODO: figure out ampdu_limit versus ampdu_rxmax */ 3240 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 3241 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 3242 return EINVAL; 3243 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 3244 vap->iv_ampdu_rxmax = ireq->i_val; 3245 else 3246 vap->iv_ampdu_limit = ireq->i_val; 3247 error = ERESTART; 3248 break; 3249 case IEEE80211_IOC_AMPDU_DENSITY: 3250 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 3251 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 3252 return EINVAL; 3253 vap->iv_ampdu_density = ireq->i_val; 3254 error = ERESTART; 3255 break; 3256 case IEEE80211_IOC_AMSDU: 3257 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 3258 return EINVAL; 3259 if (ireq->i_val & 1) 3260 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 3261 else 3262 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 3263 if (ireq->i_val & 2) 3264 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 3265 else 3266 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 3267 /* NB: reset only if we're operating on an 11n channel */ 3268 if (isvapht(vap)) 3269 error = ERESTART; 3270 break; 3271 case IEEE80211_IOC_AMSDU_LIMIT: 3272 /* XXX validate */ 3273 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 3274 break; 3275 case IEEE80211_IOC_PUREN: 3276 if (ireq->i_val) { 3277 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3278 return EINVAL; 3279 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3280 } else 3281 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3282 /* NB: reset only if we're operating on an 11n channel */ 3283 if (isvapht(vap)) 3284 error = ERESTART; 3285 break; 3286 case IEEE80211_IOC_DOTH: 3287 if (ireq->i_val) { 3288#if 0 3289 /* XXX no capability */ 3290 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3291 return EOPNOTSUPP; 3292#endif 3293 vap->iv_flags |= IEEE80211_F_DOTH; 3294 } else 3295 vap->iv_flags &= ~IEEE80211_F_DOTH; 3296 error = ENETRESET; 3297 break; 3298 case IEEE80211_IOC_REGDOMAIN: 3299 error = ieee80211_ioctl_setregdomain(vap, ireq); 3300 break; 3301 case IEEE80211_IOC_ROAM: 3302 error = ieee80211_ioctl_setroam(vap, ireq); 3303 break; 3304 case IEEE80211_IOC_TXPARAMS: 3305 error = ieee80211_ioctl_settxparams(vap, ireq); 3306 break; 3307 case IEEE80211_IOC_HTCOMPAT: 3308 if (ireq->i_val) { 3309 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3310 return EOPNOTSUPP; 3311 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3312 } else 3313 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 3314 /* NB: reset only if we're operating on an 11n channel */ 3315 if (isvapht(vap)) 3316 error = ERESTART; 3317 break; 3318 case IEEE80211_IOC_DWDS: 3319 if (ireq->i_val) { 3320 /* NB: DWDS only makes sense for WDS-capable devices */ 3321 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3322 return EOPNOTSUPP; 3323 /* NB: DWDS is used only with ap+sta vaps */ 3324 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3325 vap->iv_opmode != IEEE80211_M_STA) 3326 return EINVAL; 3327 vap->iv_flags |= IEEE80211_F_DWDS; 3328 if (vap->iv_opmode == IEEE80211_M_STA) 3329 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3330 } else { 3331 vap->iv_flags &= ~IEEE80211_F_DWDS; 3332 if (vap->iv_opmode == IEEE80211_M_STA) 3333 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3334 } 3335 break; 3336 case IEEE80211_IOC_INACTIVITY: 3337 if (ireq->i_val) 3338 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3339 else 3340 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3341 break; 3342 case IEEE80211_IOC_APPIE: 3343 error = ieee80211_ioctl_setappie(vap, ireq); 3344 break; 3345 case IEEE80211_IOC_WPS: 3346 if (ireq->i_val) { 3347 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3348 return EOPNOTSUPP; 3349 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3350 } else 3351 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3352 break; 3353 case IEEE80211_IOC_TSN: 3354 if (ireq->i_val) { 3355 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3356 return EOPNOTSUPP; 3357 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3358 } else 3359 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3360 break; 3361 case IEEE80211_IOC_CHANSWITCH: 3362 error = ieee80211_ioctl_chanswitch(vap, ireq); 3363 break; 3364 case IEEE80211_IOC_DFS: 3365 if (ireq->i_val) { 3366 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3367 return EOPNOTSUPP; 3368 /* NB: DFS requires 11h support */ 3369 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3370 return EINVAL; 3371 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3372 } else 3373 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3374 break; 3375 case IEEE80211_IOC_DOTD: 3376 if (ireq->i_val) 3377 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3378 else 3379 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3380 if (vap->iv_opmode == IEEE80211_M_STA) 3381 error = ENETRESET; 3382 break; 3383 case IEEE80211_IOC_HTPROTMODE: 3384 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3385 return EINVAL; 3386 vap->iv_htprotmode = ireq->i_val ? 3387 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3388 /* NB: if not operating in 11n this can wait */ 3389 if (isvapht(vap)) 3390 error = ERESTART; 3391 /* Notify driver layer of HT protmode changes */ 3392 ieee80211_vap_update_ht_protmode(vap); 3393 break; 3394 case IEEE80211_IOC_STA_VLAN: 3395 error = ieee80211_ioctl_setstavlan(vap, ireq); 3396 break; 3397 case IEEE80211_IOC_SMPS: 3398 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3399 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3400 return EINVAL; 3401 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3402 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3403 return EOPNOTSUPP; 3404 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3405 ireq->i_val; 3406 /* NB: if not operating in 11n this can wait */ 3407 if (isvapht(vap)) 3408 error = ERESTART; 3409 break; 3410 case IEEE80211_IOC_RIFS: 3411 if (ireq->i_val != 0) { 3412 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3413 return EOPNOTSUPP; 3414 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3415 } else 3416 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3417 /* NB: if not operating in 11n this can wait */ 3418 if (isvapht(vap)) 3419 error = ERESTART; 3420 break; 3421 case IEEE80211_IOC_STBC: 3422 /* Check if we can do STBC TX/RX before changing the setting */ 3423 if ((ireq->i_val & 1) && 3424 ((vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) == 0)) 3425 return EOPNOTSUPP; 3426 if ((ireq->i_val & 2) && 3427 ((vap->iv_htcaps & IEEE80211_HTCAP_RXSTBC) == 0)) 3428 return EOPNOTSUPP; 3429 3430 /* TX */ 3431 if (ireq->i_val & 1) 3432 vap->iv_flags_ht |= IEEE80211_FHT_STBC_TX; 3433 else 3434 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_TX; 3435 3436 /* RX */ 3437 if (ireq->i_val & 2) 3438 vap->iv_flags_ht |= IEEE80211_FHT_STBC_RX; 3439 else 3440 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_RX; 3441 3442 /* NB: reset only if we're operating on an 11n channel */ 3443 if (isvapht(vap)) 3444 error = ERESTART; 3445 break; 3446 case IEEE80211_IOC_LDPC: 3447 /* Check if we can do LDPC TX/RX before changing the setting */ 3448 if ((ireq->i_val & 1) && 3449 (vap->iv_htcaps & IEEE80211_HTC_TXLDPC) == 0) 3450 return EOPNOTSUPP; 3451 if ((ireq->i_val & 2) && 3452 (vap->iv_htcaps & IEEE80211_HTCAP_LDPC) == 0) 3453 return EOPNOTSUPP; 3454 3455 /* TX */ 3456 if (ireq->i_val & 1) 3457 vap->iv_flags_ht |= IEEE80211_FHT_LDPC_TX; 3458 else 3459 vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_TX; 3460 3461 /* RX */ 3462 if (ireq->i_val & 2) 3463 vap->iv_flags_ht |= IEEE80211_FHT_LDPC_RX; 3464 else 3465 vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_RX; 3466 3467 /* NB: reset only if we're operating on an 11n channel */ 3468 if (isvapht(vap)) 3469 error = ERESTART; 3470 break; 3471 case IEEE80211_IOC_UAPSD: 3472 if ((vap->iv_caps & IEEE80211_C_UAPSD) == 0) 3473 return EOPNOTSUPP; 3474 if (ireq->i_val == 0) 3475 vap->iv_flags_ext &= ~IEEE80211_FEXT_UAPSD; 3476 else if (ireq->i_val == 1) 3477 vap->iv_flags_ext |= IEEE80211_FEXT_UAPSD; 3478 else 3479 return EINVAL; 3480 break; 3481 3482 /* VHT */ 3483 case IEEE80211_IOC_VHTCONF: 3484 if (ireq->i_val & IEEE80211_FVHT_VHT) 3485 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_VHT); 3486 else 3487 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_VHT); 3488 3489 if (ireq->i_val & IEEE80211_FVHT_USEVHT40) 3490 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT40); 3491 else 3492 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT40); 3493 3494 if (ireq->i_val & IEEE80211_FVHT_USEVHT80) 3495 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80); 3496 else 3497 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80); 3498 3499 if (ireq->i_val & IEEE80211_FVHT_USEVHT160) 3500 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT160); 3501 else 3502 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT160); 3503 3504 if (ireq->i_val & IEEE80211_FVHT_USEVHT80P80) 3505 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80P80); 3506 else 3507 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80P80); 3508 3509 error = ENETRESET; 3510 break; 3511 3512 default: 3513 error = ieee80211_ioctl_setdefault(vap, ireq); 3514 break; 3515 } 3516 /* 3517 * The convention is that ENETRESET means an operation 3518 * requires a complete re-initialization of the device (e.g. 3519 * changing something that affects the association state). 3520 * ERESTART means the request may be handled with only a 3521 * reload of the hardware state. We hand ERESTART requests 3522 * to the iv_reset callback so the driver can decide. If 3523 * a device does not fillin iv_reset then it defaults to one 3524 * that returns ENETRESET. Otherwise a driver may return 3525 * ENETRESET (in which case a full reset will be done) or 3526 * 0 to mean there's no need to do anything (e.g. when the 3527 * change has no effect on the driver/device). 3528 */ 3529 if (error == ERESTART) 3530 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3531 vap->iv_reset(vap, ireq->i_type) : 0; 3532 if (error == ENETRESET) { 3533 /* XXX need to re-think AUTO handling */ 3534 if (IS_UP_AUTO(vap)) 3535 ieee80211_init(vap); 3536 error = 0; 3537 } 3538 return error; 3539} 3540 3541int 3542ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3543{ 3544 struct ieee80211vap *vap = ifp->if_softc; 3545 struct ieee80211com *ic = vap->iv_ic; 3546 int error = 0, wait = 0, ic_used; 3547 struct ifreq *ifr; 3548 struct ifaddr *ifa; /* XXX */ 3549 3550 ic_used = (cmd != SIOCSIFMTU && cmd != SIOCG80211STATS); 3551 if (ic_used && (error = ieee80211_com_vincref(vap)) != 0) 3552 return (error); 3553 3554 switch (cmd) { 3555 case SIOCSIFFLAGS: 3556 IEEE80211_LOCK(ic); 3557 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_PROMISC) { 3558 /* 3559 * Enable promiscuous mode when: 3560 * 1. Interface is not a member of bridge, or 3561 * 2. Requested by user, or 3562 * 3. In monitor (or adhoc-demo) mode. 3563 */ 3564 if (ifp->if_bridge == NULL || 3565 (ifp->if_flags & IFF_PPROMISC) != 0 || 3566 vap->iv_opmode == IEEE80211_M_MONITOR || 3567 (vap->iv_opmode == IEEE80211_M_AHDEMO && 3568 (vap->iv_caps & IEEE80211_C_TDMA) == 0)) { 3569 ieee80211_promisc(vap, 3570 ifp->if_flags & IFF_PROMISC); 3571 vap->iv_ifflags ^= IFF_PROMISC; 3572 } 3573 } 3574 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_ALLMULTI) { 3575 ieee80211_allmulti(vap, ifp->if_flags & IFF_ALLMULTI); 3576 vap->iv_ifflags ^= IFF_ALLMULTI; 3577 } 3578 if (ifp->if_flags & IFF_UP) { 3579 /* 3580 * Bring ourself up unless we're already operational. 3581 * If we're the first vap and the parent is not up 3582 * then it will automatically be brought up as a 3583 * side-effect of bringing ourself up. 3584 */ 3585 if (vap->iv_state == IEEE80211_S_INIT) { 3586 if (ic->ic_nrunning == 0) 3587 wait = 1; 3588 ieee80211_start_locked(vap); 3589 } 3590 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 3591 /* 3592 * Stop ourself. If we are the last vap to be 3593 * marked down the parent will also be taken down. 3594 */ 3595 if (ic->ic_nrunning == 1) 3596 wait = 1; 3597 ieee80211_stop_locked(vap); 3598 } 3599 IEEE80211_UNLOCK(ic); 3600 /* Wait for parent ioctl handler if it was queued */ 3601 if (wait) { 3602 struct epoch_tracker et; 3603 3604 ieee80211_waitfor_parent(ic); 3605 3606 /* 3607 * Check if the MAC address was changed 3608 * via SIOCSIFLLADDR ioctl. 3609 * 3610 * NB: device may be detached during initialization; 3611 * use if_ioctl for existence check. 3612 */ 3613 NET_EPOCH_ENTER(et); 3614 if (ifp->if_ioctl == ieee80211_ioctl && 3615 (ifp->if_flags & IFF_UP) == 0 && 3616 !IEEE80211_ADDR_EQ(vap->iv_myaddr, IF_LLADDR(ifp))) 3617 IEEE80211_ADDR_COPY(vap->iv_myaddr, 3618 IF_LLADDR(ifp)); 3619 NET_EPOCH_EXIT(et); 3620 } 3621 break; 3622 case SIOCADDMULTI: 3623 case SIOCDELMULTI: 3624 ieee80211_runtask(ic, &ic->ic_mcast_task); 3625 break; 3626 case SIOCSIFMEDIA: 3627 case SIOCGIFMEDIA: 3628 ifr = (struct ifreq *)data; 3629 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3630 break; 3631 case SIOCG80211: 3632 error = ieee80211_ioctl_get80211(vap, cmd, 3633 (struct ieee80211req *) data); 3634 break; 3635 case SIOCS80211: 3636 error = ieee80211_priv_check_vap_manage(cmd, vap, ifp); 3637 if (error == 0) 3638 error = ieee80211_ioctl_set80211(vap, cmd, 3639 (struct ieee80211req *) data); 3640 break; 3641 case SIOCG80211STATS: 3642 ifr = (struct ifreq *)data; 3643 error = copyout(&vap->iv_stats, ifr_data_get_ptr(ifr), 3644 sizeof(vap->iv_stats)); 3645 break; 3646 case SIOCSIFMTU: 3647 ifr = (struct ifreq *)data; 3648 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3649 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3650 error = EINVAL; 3651 else 3652 ifp->if_mtu = ifr->ifr_mtu; 3653 break; 3654 case SIOCSIFADDR: 3655 /* 3656 * XXX Handle this directly so we can suppress if_init calls. 3657 * XXX This should be done in ether_ioctl but for the moment 3658 * XXX there are too many other parts of the system that 3659 * XXX set IFF_UP and so suppress if_init being called when 3660 * XXX it should be. 3661 */ 3662 ifa = (struct ifaddr *) data; 3663 switch (ifa->ifa_addr->sa_family) { 3664#ifdef INET 3665 case AF_INET: 3666 if ((ifp->if_flags & IFF_UP) == 0) { 3667 ifp->if_flags |= IFF_UP; 3668 ifp->if_init(ifp->if_softc); 3669 } 3670 arp_ifinit(ifp, ifa); 3671 break; 3672#endif 3673 default: 3674 if ((ifp->if_flags & IFF_UP) == 0) { 3675 ifp->if_flags |= IFF_UP; 3676 ifp->if_init(ifp->if_softc); 3677 } 3678 break; 3679 } 3680 break; 3681 case SIOCSIFLLADDR: 3682 error = ieee80211_priv_check_vap_setmac(cmd, vap, ifp); 3683 if (error == 0) 3684 break; 3685 /* Fallthrough */ 3686 default: 3687 /* 3688 * Pass unknown ioctls first to the driver, and if it 3689 * returns ENOTTY, then to the generic Ethernet handler. 3690 */ 3691 if (ic->ic_ioctl != NULL && 3692 (error = ic->ic_ioctl(ic, cmd, data)) != ENOTTY) 3693 break; 3694 error = ether_ioctl(ifp, cmd, data); 3695 break; 3696 } 3697 3698 if (ic_used) 3699 ieee80211_com_vdecref(vap); 3700 3701 return (error); 3702} 3703