1/*- 2 * Copyright (c) 2001 Atsushi Onoe 3 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD: stable/11/sys/net80211/ieee80211_ioctl.c 343972 2019-02-10 20:25:45Z avos $"); 29 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/priv.h> 42#include <sys/socket.h> 43#include <sys/sockio.h> 44#include <sys/systm.h> 45 46#include <net/if.h> 47#include <net/if_var.h> 48#include <net/if_dl.h> 49#include <net/if_media.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(struct ieee80211vap *vap, struct ieee80211req *ireq) 74{ 75 struct ieee80211com *ic = vap->iv_ic; 76 struct ieee80211_node *ni; 77 struct ieee80211req_key ik; 78 struct ieee80211_key *wk; 79 const struct ieee80211_cipher *cip; 80 u_int kid; 81 int error; 82 83 if (ireq->i_len != sizeof(ik)) 84 return EINVAL; 85 error = copyin(ireq->i_data, &ik, sizeof(ik)); 86 if (error) 87 return error; 88 kid = ik.ik_keyix; 89 if (kid == IEEE80211_KEYIX_NONE) { 90 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr); 91 if (ni == NULL) 92 return ENOENT; 93 wk = &ni->ni_ucastkey; 94 } else { 95 if (kid >= IEEE80211_WEP_NKID) 96 return EINVAL; 97 wk = &vap->iv_nw_keys[kid]; 98 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr); 99 ni = NULL; 100 } 101 cip = wk->wk_cipher; 102 ik.ik_type = cip->ic_cipher; 103 ik.ik_keylen = wk->wk_keylen; 104 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 105 if (wk->wk_keyix == vap->iv_def_txkey) 106 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 107 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 108 /* NB: only root can read key data */ 109 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID]; 110 ik.ik_keytsc = wk->wk_keytsc; 111 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 112 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 113 memcpy(ik.ik_keydata+wk->wk_keylen, 114 wk->wk_key + IEEE80211_KEYBUF_SIZE, 115 IEEE80211_MICBUF_SIZE); 116 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 117 } 118 } else { 119 ik.ik_keyrsc = 0; 120 ik.ik_keytsc = 0; 121 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 122 } 123 if (ni != NULL) 124 ieee80211_free_node(ni); 125 return copyout(&ik, ireq->i_data, sizeof(ik)); 126} 127 128static int 129ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 130{ 131 struct ieee80211com *ic = vap->iv_ic; 132 133 if (sizeof(ic->ic_chan_active) < ireq->i_len) 134 ireq->i_len = sizeof(ic->ic_chan_active); 135 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); 136} 137 138static int 139ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 140{ 141 struct ieee80211com *ic = vap->iv_ic; 142 uint32_t space; 143 144 space = __offsetof(struct ieee80211req_chaninfo, 145 ic_chans[ic->ic_nchans]); 146 if (space > ireq->i_len) 147 space = ireq->i_len; 148 /* XXX assumes compatible layout */ 149 return copyout(&ic->ic_nchans, ireq->i_data, space); 150} 151 152static int 153ieee80211_ioctl_getwpaie(struct ieee80211vap *vap, 154 struct ieee80211req *ireq, int req) 155{ 156 struct ieee80211_node *ni; 157 struct ieee80211req_wpaie2 *wpaie; 158 int error; 159 160 if (ireq->i_len < IEEE80211_ADDR_LEN) 161 return EINVAL; 162 wpaie = IEEE80211_MALLOC(sizeof(*wpaie), M_TEMP, 163 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 164 if (wpaie == NULL) 165 return ENOMEM; 166 error = copyin(ireq->i_data, wpaie->wpa_macaddr, IEEE80211_ADDR_LEN); 167 if (error != 0) 168 goto bad; 169 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie->wpa_macaddr); 170 if (ni == NULL) { 171 error = ENOENT; 172 goto bad; 173 } 174 if (ni->ni_ies.wpa_ie != NULL) { 175 int ielen = ni->ni_ies.wpa_ie[1] + 2; 176 if (ielen > sizeof(wpaie->wpa_ie)) 177 ielen = sizeof(wpaie->wpa_ie); 178 memcpy(wpaie->wpa_ie, ni->ni_ies.wpa_ie, ielen); 179 } 180 if (req == IEEE80211_IOC_WPAIE2) { 181 if (ni->ni_ies.rsn_ie != NULL) { 182 int ielen = ni->ni_ies.rsn_ie[1] + 2; 183 if (ielen > sizeof(wpaie->rsn_ie)) 184 ielen = sizeof(wpaie->rsn_ie); 185 memcpy(wpaie->rsn_ie, ni->ni_ies.rsn_ie, ielen); 186 } 187 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2)) 188 ireq->i_len = sizeof(struct ieee80211req_wpaie2); 189 } else { 190 /* compatibility op, may overwrite wpa ie */ 191 /* XXX check ic_flags? */ 192 if (ni->ni_ies.rsn_ie != NULL) { 193 int ielen = ni->ni_ies.rsn_ie[1] + 2; 194 if (ielen > sizeof(wpaie->wpa_ie)) 195 ielen = sizeof(wpaie->wpa_ie); 196 memcpy(wpaie->wpa_ie, ni->ni_ies.rsn_ie, ielen); 197 } 198 if (ireq->i_len > sizeof(struct ieee80211req_wpaie)) 199 ireq->i_len = sizeof(struct ieee80211req_wpaie); 200 } 201 ieee80211_free_node(ni); 202 error = copyout(wpaie, ireq->i_data, ireq->i_len); 203bad: 204 IEEE80211_FREE(wpaie, M_TEMP); 205 return error; 206} 207 208static int 209ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 210{ 211 struct ieee80211_node *ni; 212 uint8_t macaddr[IEEE80211_ADDR_LEN]; 213 const size_t off = __offsetof(struct ieee80211req_sta_stats, is_stats); 214 int error; 215 216 if (ireq->i_len < off) 217 return EINVAL; 218 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 219 if (error != 0) 220 return error; 221 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 222 if (ni == NULL) 223 return ENOENT; 224 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 225 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 226 /* NB: copy out only the statistics */ 227 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off, 228 ireq->i_len - off); 229 ieee80211_free_node(ni); 230 return error; 231} 232 233struct scanreq { 234 struct ieee80211req_scan_result *sr; 235 size_t space; 236}; 237 238static size_t 239scan_space(const struct ieee80211_scan_entry *se, int *ielen) 240{ 241 size_t len; 242 243 *ielen = se->se_ies.len; 244 /* 245 * NB: ie's can be no more than 255 bytes and the max 802.11 246 * packet is <3Kbytes so we are sure this doesn't overflow 247 * 16-bits; if this is a concern we can drop the ie's. 248 */ 249 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + 250 se->se_meshid[1] + *ielen; 251 return roundup(len, sizeof(uint32_t)); 252} 253 254static void 255get_scan_space(void *arg, const struct ieee80211_scan_entry *se) 256{ 257 struct scanreq *req = arg; 258 int ielen; 259 260 req->space += scan_space(se, &ielen); 261} 262 263static void 264get_scan_result(void *arg, const struct ieee80211_scan_entry *se) 265{ 266 struct scanreq *req = arg; 267 struct ieee80211req_scan_result *sr; 268 int ielen, len, nr, nxr; 269 uint8_t *cp; 270 271 len = scan_space(se, &ielen); 272 if (len > req->space) 273 return; 274 275 sr = req->sr; 276 KASSERT(len <= 65535 && ielen <= 65535, 277 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen)); 278 sr->isr_len = len; 279 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result); 280 sr->isr_ie_len = ielen; 281 sr->isr_freq = se->se_chan->ic_freq; 282 sr->isr_flags = se->se_chan->ic_flags; 283 sr->isr_rssi = se->se_rssi; 284 sr->isr_noise = se->se_noise; 285 sr->isr_intval = se->se_intval; 286 sr->isr_capinfo = se->se_capinfo; 287 sr->isr_erp = se->se_erp; 288 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid); 289 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE); 290 memcpy(sr->isr_rates, se->se_rates+2, nr); 291 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr); 292 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr); 293 sr->isr_nrates = nr + nxr; 294 295 /* copy SSID */ 296 sr->isr_ssid_len = se->se_ssid[1]; 297 cp = ((uint8_t *)sr) + sr->isr_ie_off; 298 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len); 299 300 /* copy mesh id */ 301 cp += sr->isr_ssid_len; 302 sr->isr_meshid_len = se->se_meshid[1]; 303 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len); 304 cp += sr->isr_meshid_len; 305 306 if (ielen) 307 memcpy(cp, se->se_ies.data, ielen); 308 309 req->space -= len; 310 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len); 311} 312 313static int 314ieee80211_ioctl_getscanresults(struct ieee80211vap *vap, 315 struct ieee80211req *ireq) 316{ 317 struct scanreq req; 318 int error; 319 320 if (ireq->i_len < sizeof(struct scanreq)) 321 return EFAULT; 322 323 error = 0; 324 req.space = 0; 325 ieee80211_scan_iterate(vap, get_scan_space, &req); 326 if (req.space > ireq->i_len) 327 req.space = ireq->i_len; 328 if (req.space > 0) { 329 uint32_t space; 330 void *p; 331 332 space = req.space; 333 /* XXX M_WAITOK after driver lock released */ 334 p = IEEE80211_MALLOC(space, M_TEMP, 335 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 336 if (p == NULL) 337 return ENOMEM; 338 req.sr = p; 339 ieee80211_scan_iterate(vap, get_scan_result, &req); 340 ireq->i_len = space - req.space; 341 error = copyout(p, ireq->i_data, ireq->i_len); 342 IEEE80211_FREE(p, M_TEMP); 343 } else 344 ireq->i_len = 0; 345 346 return error; 347} 348 349struct stainforeq { 350 struct ieee80211vap *vap; 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 (req->vap != ni->ni_vap) 370 return; 371 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP && 372 ni->ni_associd == 0) /* only associated stations */ 373 return; 374 req->space += sta_space(ni, &ielen); 375} 376 377static void 378get_sta_info(void *arg, struct ieee80211_node *ni) 379{ 380 struct stainforeq *req = arg; 381 struct ieee80211vap *vap = ni->ni_vap; 382 struct ieee80211req_sta_info *si; 383 size_t ielen, len; 384 uint8_t *cp; 385 386 if (req->vap != ni->ni_vap) 387 return; 388 if (vap->iv_opmode == IEEE80211_M_HOSTAP && 389 ni->ni_associd == 0) /* only associated stations */ 390 return; 391 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 392 return; 393 len = sta_space(ni, &ielen); 394 if (len > req->space) 395 return; 396 si = req->si; 397 si->isi_len = len; 398 si->isi_ie_off = sizeof(struct ieee80211req_sta_info); 399 si->isi_ie_len = ielen; 400 si->isi_freq = ni->ni_chan->ic_freq; 401 si->isi_flags = ni->ni_chan->ic_flags; 402 si->isi_state = ni->ni_flags; 403 si->isi_authmode = ni->ni_authmode; 404 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise); 405 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo); 406 si->isi_capinfo = ni->ni_capinfo; 407 si->isi_erp = ni->ni_erp; 408 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 409 si->isi_nrates = ni->ni_rates.rs_nrates; 410 if (si->isi_nrates > 15) 411 si->isi_nrates = 15; 412 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 413 si->isi_txrate = ni->ni_txrate; 414 if (si->isi_txrate & IEEE80211_RATE_MCS) { 415 const struct ieee80211_mcs_rates *mcs = 416 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS]; 417 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) { 418 if (ni->ni_flags & IEEE80211_NODE_SGI40) 419 si->isi_txmbps = mcs->ht40_rate_800ns; 420 else 421 si->isi_txmbps = mcs->ht40_rate_400ns; 422 } else { 423 if (ni->ni_flags & IEEE80211_NODE_SGI20) 424 si->isi_txmbps = mcs->ht20_rate_800ns; 425 else 426 si->isi_txmbps = mcs->ht20_rate_400ns; 427 } 428 } else 429 si->isi_txmbps = si->isi_txrate; 430 si->isi_associd = ni->ni_associd; 431 si->isi_txpower = ni->ni_txpower; 432 si->isi_vlan = ni->ni_vlan; 433 if (ni->ni_flags & IEEE80211_NODE_QOS) { 434 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 435 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 436 } else { 437 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID]; 438 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID]; 439 } 440 /* NB: leave all cases in case we relax ni_associd == 0 check */ 441 if (ieee80211_node_is_authorized(ni)) 442 si->isi_inact = vap->iv_inact_run; 443 else if (ni->ni_associd != 0 || 444 (vap->iv_opmode == IEEE80211_M_WDS && 445 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY))) 446 si->isi_inact = vap->iv_inact_auth; 447 else 448 si->isi_inact = vap->iv_inact_init; 449 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 450 si->isi_localid = ni->ni_mllid; 451 si->isi_peerid = ni->ni_mlpid; 452 si->isi_peerstate = ni->ni_mlstate; 453 454 if (ielen) { 455 cp = ((uint8_t *)si) + si->isi_ie_off; 456 memcpy(cp, ni->ni_ies.data, ielen); 457 } 458 459 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len); 460 req->space -= len; 461} 462 463static int 464getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq, 465 struct ieee80211_node *ni, size_t off) 466{ 467 struct ieee80211com *ic = vap->iv_ic; 468 struct stainforeq req; 469 size_t space; 470 void *p; 471 int error; 472 473 error = 0; 474 req.space = 0; 475 req.vap = vap; 476 if (ni == NULL) 477 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req); 478 else 479 get_sta_space(&req, ni); 480 if (req.space > ireq->i_len) 481 req.space = ireq->i_len; 482 if (req.space > 0) { 483 space = req.space; 484 /* XXX M_WAITOK after driver lock released */ 485 p = IEEE80211_MALLOC(space, M_TEMP, 486 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 487 if (p == NULL) { 488 error = ENOMEM; 489 goto bad; 490 } 491 req.si = p; 492 if (ni == NULL) 493 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req); 494 else 495 get_sta_info(&req, ni); 496 ireq->i_len = space - req.space; 497 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len); 498 IEEE80211_FREE(p, M_TEMP); 499 } else 500 ireq->i_len = 0; 501bad: 502 if (ni != NULL) 503 ieee80211_free_node(ni); 504 return error; 505} 506 507static int 508ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 509{ 510 uint8_t macaddr[IEEE80211_ADDR_LEN]; 511 const size_t off = __offsetof(struct ieee80211req_sta_req, info); 512 struct ieee80211_node *ni; 513 int error; 514 515 if (ireq->i_len < sizeof(struct ieee80211req_sta_req)) 516 return EFAULT; 517 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 518 if (error != 0) 519 return error; 520 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) { 521 ni = NULL; 522 } else { 523 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 524 if (ni == NULL) 525 return ENOENT; 526 } 527 return getstainfo_common(vap, ireq, ni, off); 528} 529 530static int 531ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 532{ 533 struct ieee80211_node *ni; 534 struct ieee80211req_sta_txpow txpow; 535 int error; 536 537 if (ireq->i_len != sizeof(txpow)) 538 return EINVAL; 539 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 540 if (error != 0) 541 return error; 542 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 543 if (ni == NULL) 544 return ENOENT; 545 txpow.it_txpow = ni->ni_txpower; 546 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 547 ieee80211_free_node(ni); 548 return error; 549} 550 551static int 552ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 553{ 554 struct ieee80211com *ic = vap->iv_ic; 555 struct ieee80211_wme_state *wme = &ic->ic_wme; 556 struct wmeParams *wmep; 557 int ac; 558 559 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 560 return EINVAL; 561 562 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 563 if (ac >= WME_NUM_AC) 564 ac = WME_AC_BE; 565 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 566 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 567 else 568 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 569 switch (ireq->i_type) { 570 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 571 ireq->i_val = wmep->wmep_logcwmin; 572 break; 573 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 574 ireq->i_val = wmep->wmep_logcwmax; 575 break; 576 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 577 ireq->i_val = wmep->wmep_aifsn; 578 break; 579 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 580 ireq->i_val = wmep->wmep_txopLimit; 581 break; 582 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 583 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 584 ireq->i_val = wmep->wmep_acm; 585 break; 586 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 587 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 588 ireq->i_val = !wmep->wmep_noackPolicy; 589 break; 590 } 591 return 0; 592} 593 594static int 595ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 596{ 597 const struct ieee80211_aclator *acl = vap->iv_acl; 598 599 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq)); 600} 601 602static int 603ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq) 604{ 605 struct ieee80211com *ic = vap->iv_ic; 606 struct ieee80211_channel *c; 607 608 if (ireq->i_len != sizeof(struct ieee80211_channel)) 609 return EINVAL; 610 /* 611 * vap's may have different operating channels when HT is 612 * in use. When in RUN state report the vap-specific channel. 613 * Otherwise return curchan. 614 */ 615 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 616 c = vap->iv_bss->ni_chan; 617 else 618 c = ic->ic_curchan; 619 return copyout(c, ireq->i_data, sizeof(*c)); 620} 621 622static int 623getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq) 624{ 625 if (aie == NULL) 626 return EINVAL; 627 /* NB: truncate, caller can check length */ 628 if (ireq->i_len > aie->ie_len) 629 ireq->i_len = aie->ie_len; 630 return copyout(aie->ie_data, ireq->i_data, ireq->i_len); 631} 632 633static int 634ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq) 635{ 636 uint8_t fc0; 637 638 fc0 = ireq->i_val & 0xff; 639 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 640 return EINVAL; 641 /* NB: could check iv_opmode and reject but hardly worth the effort */ 642 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 643 case IEEE80211_FC0_SUBTYPE_BEACON: 644 return getappie(vap->iv_appie_beacon, ireq); 645 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 646 return getappie(vap->iv_appie_proberesp, ireq); 647 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 648 return getappie(vap->iv_appie_assocresp, ireq); 649 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 650 return getappie(vap->iv_appie_probereq, ireq); 651 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 652 return getappie(vap->iv_appie_assocreq, ireq); 653 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP: 654 return getappie(vap->iv_appie_wpa, ireq); 655 } 656 return EINVAL; 657} 658 659static int 660ieee80211_ioctl_getregdomain(struct ieee80211vap *vap, 661 const struct ieee80211req *ireq) 662{ 663 struct ieee80211com *ic = vap->iv_ic; 664 665 if (ireq->i_len != sizeof(ic->ic_regdomain)) 666 return EINVAL; 667 return copyout(&ic->ic_regdomain, ireq->i_data, 668 sizeof(ic->ic_regdomain)); 669} 670 671static int 672ieee80211_ioctl_getroam(struct ieee80211vap *vap, 673 const struct ieee80211req *ireq) 674{ 675 size_t len = ireq->i_len; 676 /* NB: accept short requests for backwards compat */ 677 if (len > sizeof(vap->iv_roamparms)) 678 len = sizeof(vap->iv_roamparms); 679 return copyout(vap->iv_roamparms, ireq->i_data, len); 680} 681 682static int 683ieee80211_ioctl_gettxparams(struct ieee80211vap *vap, 684 const struct ieee80211req *ireq) 685{ 686 size_t len = ireq->i_len; 687 /* NB: accept short requests for backwards compat */ 688 if (len > sizeof(vap->iv_txparms)) 689 len = sizeof(vap->iv_txparms); 690 return copyout(vap->iv_txparms, ireq->i_data, len); 691} 692 693static int 694ieee80211_ioctl_getdevcaps(struct ieee80211com *ic, 695 const struct ieee80211req *ireq) 696{ 697 struct ieee80211_devcaps_req *dc; 698 struct ieee80211req_chaninfo *ci; 699 int maxchans, error; 700 701 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) / 702 sizeof(struct ieee80211_channel)); 703 /* NB: require 1 so we know ic_nchans is accessible */ 704 if (maxchans < 1) 705 return EINVAL; 706 /* constrain max request size, 2K channels is ~24Kbytes */ 707 if (maxchans > 2048) 708 maxchans = 2048; 709 dc = (struct ieee80211_devcaps_req *) 710 IEEE80211_MALLOC(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, 711 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 712 if (dc == NULL) 713 return ENOMEM; 714 dc->dc_drivercaps = ic->ic_caps; 715 dc->dc_cryptocaps = ic->ic_cryptocaps; 716 dc->dc_htcaps = ic->ic_htcaps; 717 ci = &dc->dc_chaninfo; 718 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans); 719 KASSERT(ci->ic_nchans <= maxchans, 720 ("nchans %d maxchans %d", ci->ic_nchans, maxchans)); 721 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans); 722 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc)); 723 IEEE80211_FREE(dc, M_TEMP); 724 return error; 725} 726 727static int 728ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 729{ 730 struct ieee80211_node *ni; 731 struct ieee80211req_sta_vlan vlan; 732 int error; 733 734 if (ireq->i_len != sizeof(vlan)) 735 return EINVAL; 736 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 737 if (error != 0) 738 return error; 739 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 740 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 741 vlan.sv_macaddr); 742 if (ni == NULL) 743 return ENOENT; 744 } else 745 ni = ieee80211_ref_node(vap->iv_bss); 746 vlan.sv_vlan = ni->ni_vlan; 747 error = copyout(&vlan, ireq->i_data, sizeof(vlan)); 748 ieee80211_free_node(ni); 749 return error; 750} 751 752/* 753 * Dummy ioctl get handler so the linker set is defined. 754 */ 755static int 756dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq) 757{ 758 return ENOSYS; 759} 760IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get); 761 762static int 763ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 764{ 765 ieee80211_ioctl_getfunc * const *get; 766 int error; 767 768 SET_FOREACH(get, ieee80211_ioctl_getset) { 769 error = (*get)(vap, ireq); 770 if (error != ENOSYS) 771 return error; 772 } 773 return EINVAL; 774} 775 776static int 777ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd, 778 struct ieee80211req *ireq) 779{ 780#define MS(_v, _f) (((_v) & _f) >> _f##_S) 781 struct ieee80211com *ic = vap->iv_ic; 782 u_int kid, len; 783 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 784 char tmpssid[IEEE80211_NWID_LEN]; 785 int error = 0; 786 787 switch (ireq->i_type) { 788 case IEEE80211_IOC_SSID: 789 switch (vap->iv_state) { 790 case IEEE80211_S_INIT: 791 case IEEE80211_S_SCAN: 792 ireq->i_len = vap->iv_des_ssid[0].len; 793 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); 794 break; 795 default: 796 ireq->i_len = vap->iv_bss->ni_esslen; 797 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); 798 break; 799 } 800 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 801 break; 802 case IEEE80211_IOC_NUMSSIDS: 803 ireq->i_val = 1; 804 break; 805 case IEEE80211_IOC_WEP: 806 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 807 ireq->i_val = IEEE80211_WEP_OFF; 808 else if (vap->iv_flags & IEEE80211_F_DROPUNENC) 809 ireq->i_val = IEEE80211_WEP_ON; 810 else 811 ireq->i_val = IEEE80211_WEP_MIXED; 812 break; 813 case IEEE80211_IOC_WEPKEY: 814 kid = (u_int) ireq->i_val; 815 if (kid >= IEEE80211_WEP_NKID) 816 return EINVAL; 817 len = (u_int) vap->iv_nw_keys[kid].wk_keylen; 818 /* NB: only root can read WEP keys */ 819 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 820 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); 821 } else { 822 bzero(tmpkey, len); 823 } 824 ireq->i_len = len; 825 error = copyout(tmpkey, ireq->i_data, len); 826 break; 827 case IEEE80211_IOC_NUMWEPKEYS: 828 ireq->i_val = IEEE80211_WEP_NKID; 829 break; 830 case IEEE80211_IOC_WEPTXKEY: 831 ireq->i_val = vap->iv_def_txkey; 832 break; 833 case IEEE80211_IOC_AUTHMODE: 834 if (vap->iv_flags & IEEE80211_F_WPA) 835 ireq->i_val = IEEE80211_AUTH_WPA; 836 else 837 ireq->i_val = vap->iv_bss->ni_authmode; 838 break; 839 case IEEE80211_IOC_CHANNEL: 840 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 841 break; 842 case IEEE80211_IOC_POWERSAVE: 843 if (vap->iv_flags & IEEE80211_F_PMGTON) 844 ireq->i_val = IEEE80211_POWERSAVE_ON; 845 else 846 ireq->i_val = IEEE80211_POWERSAVE_OFF; 847 break; 848 case IEEE80211_IOC_POWERSAVESLEEP: 849 ireq->i_val = ic->ic_lintval; 850 break; 851 case IEEE80211_IOC_RTSTHRESHOLD: 852 ireq->i_val = vap->iv_rtsthreshold; 853 break; 854 case IEEE80211_IOC_PROTMODE: 855 ireq->i_val = ic->ic_protmode; 856 break; 857 case IEEE80211_IOC_TXPOWER: 858 /* 859 * Tx power limit is the min of max regulatory 860 * power, any user-set limit, and the max the 861 * radio can do. 862 */ 863 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; 864 if (ireq->i_val > ic->ic_txpowlimit) 865 ireq->i_val = ic->ic_txpowlimit; 866 if (ireq->i_val > ic->ic_curchan->ic_maxpower) 867 ireq->i_val = ic->ic_curchan->ic_maxpower; 868 break; 869 case IEEE80211_IOC_WPA: 870 switch (vap->iv_flags & IEEE80211_F_WPA) { 871 case IEEE80211_F_WPA1: 872 ireq->i_val = 1; 873 break; 874 case IEEE80211_F_WPA2: 875 ireq->i_val = 2; 876 break; 877 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 878 ireq->i_val = 3; 879 break; 880 default: 881 ireq->i_val = 0; 882 break; 883 } 884 break; 885 case IEEE80211_IOC_CHANLIST: 886 error = ieee80211_ioctl_getchanlist(vap, ireq); 887 break; 888 case IEEE80211_IOC_ROAMING: 889 ireq->i_val = vap->iv_roaming; 890 break; 891 case IEEE80211_IOC_PRIVACY: 892 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; 893 break; 894 case IEEE80211_IOC_DROPUNENCRYPTED: 895 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; 896 break; 897 case IEEE80211_IOC_COUNTERMEASURES: 898 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; 899 break; 900 case IEEE80211_IOC_WME: 901 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; 902 break; 903 case IEEE80211_IOC_HIDESSID: 904 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; 905 break; 906 case IEEE80211_IOC_APBRIDGE: 907 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; 908 break; 909 case IEEE80211_IOC_WPAKEY: 910 error = ieee80211_ioctl_getkey(vap, ireq); 911 break; 912 case IEEE80211_IOC_CHANINFO: 913 error = ieee80211_ioctl_getchaninfo(vap, ireq); 914 break; 915 case IEEE80211_IOC_BSSID: 916 if (ireq->i_len != IEEE80211_ADDR_LEN) 917 return EINVAL; 918 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) { 919 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ? 920 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid, 921 ireq->i_data, ireq->i_len); 922 } else 923 error = copyout(vap->iv_des_bssid, ireq->i_data, 924 ireq->i_len); 925 break; 926 case IEEE80211_IOC_WPAIE: 927 case IEEE80211_IOC_WPAIE2: 928 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 929 break; 930 case IEEE80211_IOC_SCAN_RESULTS: 931 error = ieee80211_ioctl_getscanresults(vap, ireq); 932 break; 933 case IEEE80211_IOC_STA_STATS: 934 error = ieee80211_ioctl_getstastats(vap, ireq); 935 break; 936 case IEEE80211_IOC_TXPOWMAX: 937 ireq->i_val = vap->iv_bss->ni_txpower; 938 break; 939 case IEEE80211_IOC_STA_TXPOW: 940 error = ieee80211_ioctl_getstatxpow(vap, ireq); 941 break; 942 case IEEE80211_IOC_STA_INFO: 943 error = ieee80211_ioctl_getstainfo(vap, ireq); 944 break; 945 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 946 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 947 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 948 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 949 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 950 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 951 error = ieee80211_ioctl_getwmeparam(vap, ireq); 952 break; 953 case IEEE80211_IOC_DTIM_PERIOD: 954 ireq->i_val = vap->iv_dtim_period; 955 break; 956 case IEEE80211_IOC_BEACON_INTERVAL: 957 /* NB: get from ic_bss for station mode */ 958 ireq->i_val = vap->iv_bss->ni_intval; 959 break; 960 case IEEE80211_IOC_PUREG: 961 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; 962 break; 963 case IEEE80211_IOC_QUIET: 964 ireq->i_val = vap->iv_quiet; 965 break; 966 case IEEE80211_IOC_QUIET_COUNT: 967 ireq->i_val = vap->iv_quiet_count; 968 break; 969 case IEEE80211_IOC_QUIET_PERIOD: 970 ireq->i_val = vap->iv_quiet_period; 971 break; 972 case IEEE80211_IOC_QUIET_DUR: 973 ireq->i_val = vap->iv_quiet_duration; 974 break; 975 case IEEE80211_IOC_QUIET_OFFSET: 976 ireq->i_val = vap->iv_quiet_offset; 977 break; 978 case IEEE80211_IOC_BGSCAN: 979 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 980 break; 981 case IEEE80211_IOC_BGSCAN_IDLE: 982 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 983 break; 984 case IEEE80211_IOC_BGSCAN_INTERVAL: 985 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 986 break; 987 case IEEE80211_IOC_SCANVALID: 988 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 989 break; 990 case IEEE80211_IOC_FRAGTHRESHOLD: 991 ireq->i_val = vap->iv_fragthreshold; 992 break; 993 case IEEE80211_IOC_MACCMD: 994 error = ieee80211_ioctl_getmaccmd(vap, ireq); 995 break; 996 case IEEE80211_IOC_BURST: 997 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 998 break; 999 case IEEE80211_IOC_BMISSTHRESHOLD: 1000 ireq->i_val = vap->iv_bmissthreshold; 1001 break; 1002 case IEEE80211_IOC_CURCHAN: 1003 error = ieee80211_ioctl_getcurchan(vap, ireq); 1004 break; 1005 case IEEE80211_IOC_SHORTGI: 1006 ireq->i_val = 0; 1007 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) 1008 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 1009 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) 1010 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 1011 break; 1012 case IEEE80211_IOC_AMPDU: 1013 ireq->i_val = 0; 1014 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) 1015 ireq->i_val |= 1; 1016 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) 1017 ireq->i_val |= 2; 1018 break; 1019 case IEEE80211_IOC_AMPDU_LIMIT: 1020 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1021 ireq->i_val = vap->iv_ampdu_rxmax; 1022 else if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 1023 /* 1024 * XXX TODO: this isn't completely correct, as we've 1025 * negotiated the higher of the two. 1026 */ 1027 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1028 IEEE80211_HTCAP_MAXRXAMPDU); 1029 else 1030 ireq->i_val = vap->iv_ampdu_limit; 1031 break; 1032 case IEEE80211_IOC_AMPDU_DENSITY: 1033 if (vap->iv_opmode == IEEE80211_M_STA && 1034 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1035 /* 1036 * XXX TODO: this isn't completely correct, as we've 1037 * negotiated the higher of the two. 1038 */ 1039 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1040 IEEE80211_HTCAP_MPDUDENSITY); 1041 else 1042 ireq->i_val = vap->iv_ampdu_density; 1043 break; 1044 case IEEE80211_IOC_AMSDU: 1045 ireq->i_val = 0; 1046 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) 1047 ireq->i_val |= 1; 1048 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) 1049 ireq->i_val |= 2; 1050 break; 1051 case IEEE80211_IOC_AMSDU_LIMIT: 1052 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1053 break; 1054 case IEEE80211_IOC_PUREN: 1055 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; 1056 break; 1057 case IEEE80211_IOC_DOTH: 1058 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1059 break; 1060 case IEEE80211_IOC_REGDOMAIN: 1061 error = ieee80211_ioctl_getregdomain(vap, ireq); 1062 break; 1063 case IEEE80211_IOC_ROAM: 1064 error = ieee80211_ioctl_getroam(vap, ireq); 1065 break; 1066 case IEEE80211_IOC_TXPARAMS: 1067 error = ieee80211_ioctl_gettxparams(vap, ireq); 1068 break; 1069 case IEEE80211_IOC_HTCOMPAT: 1070 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; 1071 break; 1072 case IEEE80211_IOC_DWDS: 1073 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1074 break; 1075 case IEEE80211_IOC_INACTIVITY: 1076 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1077 break; 1078 case IEEE80211_IOC_APPIE: 1079 error = ieee80211_ioctl_getappie(vap, ireq); 1080 break; 1081 case IEEE80211_IOC_WPS: 1082 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1083 break; 1084 case IEEE80211_IOC_TSN: 1085 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1086 break; 1087 case IEEE80211_IOC_DFS: 1088 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1089 break; 1090 case IEEE80211_IOC_DOTD: 1091 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1092 break; 1093 case IEEE80211_IOC_DEVCAPS: 1094 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1095 break; 1096 case IEEE80211_IOC_HTPROTMODE: 1097 ireq->i_val = ic->ic_htprotmode; 1098 break; 1099 case IEEE80211_IOC_HTCONF: 1100 if (vap->iv_flags_ht & IEEE80211_FHT_HT) { 1101 ireq->i_val = 1; 1102 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) 1103 ireq->i_val |= 2; 1104 } else 1105 ireq->i_val = 0; 1106 break; 1107 case IEEE80211_IOC_STA_VLAN: 1108 error = ieee80211_ioctl_getstavlan(vap, ireq); 1109 break; 1110 case IEEE80211_IOC_SMPS: 1111 if (vap->iv_opmode == IEEE80211_M_STA && 1112 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) { 1113 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1114 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1115 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1116 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1117 else 1118 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1119 } else 1120 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1121 break; 1122 case IEEE80211_IOC_RIFS: 1123 if (vap->iv_opmode == IEEE80211_M_STA && 1124 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1125 ireq->i_val = 1126 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1127 else 1128 ireq->i_val = 1129 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; 1130 break; 1131 case IEEE80211_IOC_STBC: 1132 ireq->i_val = 0; 1133 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_TX) 1134 ireq->i_val |= 1; 1135 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_RX) 1136 ireq->i_val |= 2; 1137 break; 1138 default: 1139 error = ieee80211_ioctl_getdefault(vap, ireq); 1140 break; 1141 } 1142 return error; 1143#undef MS 1144} 1145 1146static int 1147ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1148{ 1149 struct ieee80211req_key ik; 1150 struct ieee80211_node *ni; 1151 struct ieee80211_key *wk; 1152 uint16_t kid; 1153 int error, i; 1154 1155 if (ireq->i_len != sizeof(ik)) 1156 return EINVAL; 1157 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1158 if (error) 1159 return error; 1160 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1161 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1162 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1163 return E2BIG; 1164 kid = ik.ik_keyix; 1165 if (kid == IEEE80211_KEYIX_NONE) { 1166 /* XXX unicast keys currently must be tx/rx */ 1167 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1168 return EINVAL; 1169 if (vap->iv_opmode == IEEE80211_M_STA) { 1170 ni = ieee80211_ref_node(vap->iv_bss); 1171 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1172 ieee80211_free_node(ni); 1173 return EADDRNOTAVAIL; 1174 } 1175 } else { 1176 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1177 ik.ik_macaddr); 1178 if (ni == NULL) 1179 return ENOENT; 1180 } 1181 wk = &ni->ni_ucastkey; 1182 } else { 1183 if (kid >= IEEE80211_WEP_NKID) 1184 return EINVAL; 1185 wk = &vap->iv_nw_keys[kid]; 1186 /* 1187 * Global slots start off w/o any assigned key index. 1188 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1189 */ 1190 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1191 wk->wk_keyix = kid; 1192 ni = NULL; 1193 } 1194 error = 0; 1195 ieee80211_key_update_begin(vap); 1196 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1197 wk->wk_keylen = ik.ik_keylen; 1198 /* NB: MIC presence is implied by cipher type */ 1199 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1200 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1201 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1202 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1203 wk->wk_keytsc = 0; /* new key, reset */ 1204 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1205 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1206 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1207 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1208 if (!ieee80211_crypto_setkey(vap, wk)) 1209 error = EIO; 1210 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1211 vap->iv_def_txkey = kid; 1212 } else 1213 error = ENXIO; 1214 ieee80211_key_update_end(vap); 1215 if (ni != NULL) 1216 ieee80211_free_node(ni); 1217 return error; 1218} 1219 1220static int 1221ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1222{ 1223 struct ieee80211req_del_key dk; 1224 int kid, error; 1225 1226 if (ireq->i_len != sizeof(dk)) 1227 return EINVAL; 1228 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1229 if (error) 1230 return error; 1231 kid = dk.idk_keyix; 1232 /* XXX uint8_t -> uint16_t */ 1233 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1234 struct ieee80211_node *ni; 1235 1236 if (vap->iv_opmode == IEEE80211_M_STA) { 1237 ni = ieee80211_ref_node(vap->iv_bss); 1238 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1239 ieee80211_free_node(ni); 1240 return EADDRNOTAVAIL; 1241 } 1242 } else { 1243 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1244 dk.idk_macaddr); 1245 if (ni == NULL) 1246 return ENOENT; 1247 } 1248 /* XXX error return */ 1249 ieee80211_node_delucastkey(ni); 1250 ieee80211_free_node(ni); 1251 } else { 1252 if (kid >= IEEE80211_WEP_NKID) 1253 return EINVAL; 1254 /* XXX error return */ 1255 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1256 } 1257 return 0; 1258} 1259 1260struct mlmeop { 1261 struct ieee80211vap *vap; 1262 int op; 1263 int reason; 1264}; 1265 1266static void 1267mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1268 int op, int reason) 1269{ 1270#ifdef IEEE80211_DEBUG 1271 static const struct { 1272 int mask; 1273 const char *opstr; 1274 } ops[] = { 1275 { 0, "op#0" }, 1276 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1277 IEEE80211_MSG_ASSOC, "assoc" }, 1278 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1279 IEEE80211_MSG_ASSOC, "disassoc" }, 1280 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1281 IEEE80211_MSG_AUTH, "deauth" }, 1282 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1283 IEEE80211_MSG_AUTH, "authorize" }, 1284 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1285 IEEE80211_MSG_AUTH, "unauthorize" }, 1286 }; 1287 1288 if (op == IEEE80211_MLME_AUTH) { 1289 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1290 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1291 "station authenticate %s via MLME (reason: %d (%s))", 1292 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1293 reason, ieee80211_reason_to_string(reason)); 1294 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1295 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1296 "unknown MLME request %d (reason: %d (%s))", op, reason, 1297 ieee80211_reason_to_string(reason)); 1298 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1299 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1300 "station %s via MLME", ops[op].opstr); 1301 } else { 1302 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1303 "station %s via MLME (reason: %d (%s))", ops[op].opstr, 1304 reason, ieee80211_reason_to_string(reason)); 1305 } 1306#endif /* IEEE80211_DEBUG */ 1307} 1308 1309static void 1310domlme(void *arg, struct ieee80211_node *ni) 1311{ 1312 struct mlmeop *mop = arg; 1313 struct ieee80211vap *vap = ni->ni_vap; 1314 1315 if (vap != mop->vap) 1316 return; 1317 /* 1318 * NB: if ni_associd is zero then the node is already cleaned 1319 * up and we don't need to do this (we're safely holding a 1320 * reference but should otherwise not modify it's state). 1321 */ 1322 if (ni->ni_associd == 0) 1323 return; 1324 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1325 if (mop->op == IEEE80211_MLME_DEAUTH) { 1326 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1327 mop->reason); 1328 } else { 1329 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1330 mop->reason); 1331 } 1332 ieee80211_node_leave(ni); 1333} 1334 1335static int 1336setmlme_dropsta(struct ieee80211vap *vap, 1337 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1338{ 1339 struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta; 1340 struct ieee80211_node *ni; 1341 int error = 0; 1342 1343 /* NB: the broadcast address means do 'em all */ 1344 if (!IEEE80211_ADDR_EQ(mac, vap->iv_ifp->if_broadcastaddr)) { 1345 IEEE80211_NODE_LOCK(nt); 1346 ni = ieee80211_find_node_locked(nt, mac); 1347 IEEE80211_NODE_UNLOCK(nt); 1348 /* 1349 * Don't do the node update inside the node 1350 * table lock. This unfortunately causes LORs 1351 * with drivers and their TX paths. 1352 */ 1353 if (ni != NULL) { 1354 domlme(mlmeop, ni); 1355 ieee80211_free_node(ni); 1356 } else 1357 error = ENOENT; 1358 } else { 1359 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1360 } 1361 return error; 1362} 1363 1364static int 1365setmlme_common(struct ieee80211vap *vap, int op, 1366 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1367{ 1368 struct ieee80211com *ic = vap->iv_ic; 1369 struct ieee80211_node_table *nt = &ic->ic_sta; 1370 struct ieee80211_node *ni; 1371 struct mlmeop mlmeop; 1372 int error; 1373 1374 error = 0; 1375 switch (op) { 1376 case IEEE80211_MLME_DISASSOC: 1377 case IEEE80211_MLME_DEAUTH: 1378 switch (vap->iv_opmode) { 1379 case IEEE80211_M_STA: 1380 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1381 /* XXX not quite right */ 1382 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1383 break; 1384 case IEEE80211_M_HOSTAP: 1385 mlmeop.vap = vap; 1386 mlmeop.op = op; 1387 mlmeop.reason = reason; 1388 error = setmlme_dropsta(vap, mac, &mlmeop); 1389 break; 1390 case IEEE80211_M_WDS: 1391 /* XXX user app should send raw frame? */ 1392 if (op != IEEE80211_MLME_DEAUTH) { 1393 error = EINVAL; 1394 break; 1395 } 1396#if 0 1397 /* XXX accept any address, simplifies user code */ 1398 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1399 error = EINVAL; 1400 break; 1401 } 1402#endif 1403 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1404 ni = ieee80211_ref_node(vap->iv_bss); 1405 IEEE80211_SEND_MGMT(ni, 1406 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1407 ieee80211_free_node(ni); 1408 break; 1409 case IEEE80211_M_MBSS: 1410 IEEE80211_NODE_LOCK(nt); 1411 ni = ieee80211_find_node_locked(nt, mac); 1412 /* 1413 * Don't do the node update inside the node 1414 * table lock. This unfortunately causes LORs 1415 * with drivers and their TX paths. 1416 */ 1417 IEEE80211_NODE_UNLOCK(nt); 1418 if (ni != NULL) { 1419 ieee80211_node_leave(ni); 1420 ieee80211_free_node(ni); 1421 } else { 1422 error = ENOENT; 1423 } 1424 break; 1425 default: 1426 error = EINVAL; 1427 break; 1428 } 1429 break; 1430 case IEEE80211_MLME_AUTHORIZE: 1431 case IEEE80211_MLME_UNAUTHORIZE: 1432 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1433 vap->iv_opmode != IEEE80211_M_WDS) { 1434 error = EINVAL; 1435 break; 1436 } 1437 IEEE80211_NODE_LOCK(nt); 1438 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1439 /* 1440 * Don't do the node update inside the node 1441 * table lock. This unfortunately causes LORs 1442 * with drivers and their TX paths. 1443 */ 1444 IEEE80211_NODE_UNLOCK(nt); 1445 if (ni != NULL) { 1446 mlmedebug(vap, mac, op, reason); 1447 if (op == IEEE80211_MLME_AUTHORIZE) 1448 ieee80211_node_authorize(ni); 1449 else 1450 ieee80211_node_unauthorize(ni); 1451 ieee80211_free_node(ni); 1452 } else 1453 error = ENOENT; 1454 break; 1455 case IEEE80211_MLME_AUTH: 1456 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1457 error = EINVAL; 1458 break; 1459 } 1460 IEEE80211_NODE_LOCK(nt); 1461 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1462 /* 1463 * Don't do the node update inside the node 1464 * table lock. This unfortunately causes LORs 1465 * with drivers and their TX paths. 1466 */ 1467 IEEE80211_NODE_UNLOCK(nt); 1468 if (ni != NULL) { 1469 mlmedebug(vap, mac, op, reason); 1470 if (reason == IEEE80211_STATUS_SUCCESS) { 1471 IEEE80211_SEND_MGMT(ni, 1472 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1473 /* 1474 * For shared key auth, just continue the 1475 * exchange. Otherwise when 802.1x is not in 1476 * use mark the port authorized at this point 1477 * so traffic can flow. 1478 */ 1479 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1480 ni->ni_challenge == NULL) 1481 ieee80211_node_authorize(ni); 1482 } else { 1483 vap->iv_stats.is_rx_acl++; 1484 ieee80211_send_error(ni, ni->ni_macaddr, 1485 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1486 ieee80211_node_leave(ni); 1487 } 1488 ieee80211_free_node(ni); 1489 } else 1490 error = ENOENT; 1491 break; 1492 default: 1493 error = EINVAL; 1494 break; 1495 } 1496 return error; 1497} 1498 1499struct scanlookup { 1500 const uint8_t *mac; 1501 int esslen; 1502 const uint8_t *essid; 1503 const struct ieee80211_scan_entry *se; 1504}; 1505 1506/* 1507 * Match mac address and any ssid. 1508 */ 1509static void 1510mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1511{ 1512 struct scanlookup *look = arg; 1513 1514 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1515 return; 1516 if (look->esslen != 0) { 1517 if (se->se_ssid[1] != look->esslen) 1518 return; 1519 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1520 return; 1521 } 1522 look->se = se; 1523} 1524 1525static int 1526setmlme_assoc_sta(struct ieee80211vap *vap, 1527 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1528 const uint8_t ssid[IEEE80211_NWID_LEN]) 1529{ 1530 struct scanlookup lookup; 1531 1532 KASSERT(vap->iv_opmode == IEEE80211_M_STA, 1533 ("expected opmode STA not %s", 1534 ieee80211_opmode_name[vap->iv_opmode])); 1535 1536 /* NB: this is racey if roaming is !manual */ 1537 lookup.se = NULL; 1538 lookup.mac = mac; 1539 lookup.esslen = ssid_len; 1540 lookup.essid = ssid; 1541 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1542 if (lookup.se == NULL) 1543 return ENOENT; 1544 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1545 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1546 return EIO; /* XXX unique but could be better */ 1547 return 0; 1548} 1549 1550static int 1551setmlme_assoc_adhoc(struct ieee80211vap *vap, 1552 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1553 const uint8_t ssid[IEEE80211_NWID_LEN]) 1554{ 1555 struct ieee80211_scan_req *sr; 1556 int error; 1557 1558 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS || 1559 vap->iv_opmode == IEEE80211_M_AHDEMO, 1560 ("expected opmode IBSS or AHDEMO not %s", 1561 ieee80211_opmode_name[vap->iv_opmode])); 1562 1563 if (ssid_len == 0) 1564 return EINVAL; 1565 1566 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 1567 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1568 if (sr == NULL) 1569 return ENOMEM; 1570 1571 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */ 1572 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 1573 vap->iv_des_ssid[0].len = ssid_len; 1574 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len); 1575 vap->iv_des_nssid = 1; 1576 1577 sr->sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE; 1578 sr->sr_duration = IEEE80211_IOC_SCAN_FOREVER; 1579 memcpy(sr->sr_ssid[0].ssid, ssid, ssid_len); 1580 sr->sr_ssid[0].len = ssid_len; 1581 sr->sr_nssid = 1; 1582 1583 error = ieee80211_scanreq(vap, sr); 1584 1585 IEEE80211_FREE(sr, M_TEMP); 1586 return error; 1587} 1588 1589static int 1590ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1591{ 1592 struct ieee80211req_mlme mlme; 1593 int error; 1594 1595 if (ireq->i_len != sizeof(mlme)) 1596 return EINVAL; 1597 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1598 if (error) 1599 return error; 1600 if (vap->iv_opmode == IEEE80211_M_STA && 1601 mlme.im_op == IEEE80211_MLME_ASSOC) 1602 return setmlme_assoc_sta(vap, mlme.im_macaddr, 1603 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1604 else if ((vap->iv_opmode == IEEE80211_M_IBSS || 1605 vap->iv_opmode == IEEE80211_M_AHDEMO) && 1606 mlme.im_op == IEEE80211_MLME_ASSOC) 1607 return setmlme_assoc_adhoc(vap, mlme.im_macaddr, 1608 mlme.im_ssid_len, mlme.im_ssid); 1609 else 1610 return setmlme_common(vap, mlme.im_op, 1611 mlme.im_macaddr, mlme.im_reason); 1612} 1613 1614static int 1615ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1616{ 1617 uint8_t mac[IEEE80211_ADDR_LEN]; 1618 const struct ieee80211_aclator *acl = vap->iv_acl; 1619 int error; 1620 1621 if (ireq->i_len != sizeof(mac)) 1622 return EINVAL; 1623 error = copyin(ireq->i_data, mac, ireq->i_len); 1624 if (error) 1625 return error; 1626 if (acl == NULL) { 1627 acl = ieee80211_aclator_get("mac"); 1628 if (acl == NULL || !acl->iac_attach(vap)) 1629 return EINVAL; 1630 vap->iv_acl = acl; 1631 } 1632 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1633 acl->iac_add(vap, mac); 1634 else 1635 acl->iac_remove(vap, mac); 1636 return 0; 1637} 1638 1639static int 1640ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1641{ 1642 const struct ieee80211_aclator *acl = vap->iv_acl; 1643 1644 switch (ireq->i_val) { 1645 case IEEE80211_MACCMD_POLICY_OPEN: 1646 case IEEE80211_MACCMD_POLICY_ALLOW: 1647 case IEEE80211_MACCMD_POLICY_DENY: 1648 case IEEE80211_MACCMD_POLICY_RADIUS: 1649 if (acl == NULL) { 1650 acl = ieee80211_aclator_get("mac"); 1651 if (acl == NULL || !acl->iac_attach(vap)) 1652 return EINVAL; 1653 vap->iv_acl = acl; 1654 } 1655 acl->iac_setpolicy(vap, ireq->i_val); 1656 break; 1657 case IEEE80211_MACCMD_FLUSH: 1658 if (acl != NULL) 1659 acl->iac_flush(vap); 1660 /* NB: silently ignore when not in use */ 1661 break; 1662 case IEEE80211_MACCMD_DETACH: 1663 if (acl != NULL) { 1664 vap->iv_acl = NULL; 1665 acl->iac_detach(vap); 1666 } 1667 break; 1668 default: 1669 if (acl == NULL) 1670 return EINVAL; 1671 else 1672 return acl->iac_setioctl(vap, ireq); 1673 } 1674 return 0; 1675} 1676 1677static int 1678ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1679{ 1680 struct ieee80211com *ic = vap->iv_ic; 1681 uint8_t *chanlist, *list; 1682 int i, nchan, maxchan, error; 1683 1684 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1685 ireq->i_len = sizeof(ic->ic_chan_active); 1686 list = IEEE80211_MALLOC(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1687 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1688 if (list == NULL) 1689 return ENOMEM; 1690 error = copyin(ireq->i_data, list, ireq->i_len); 1691 if (error) { 1692 IEEE80211_FREE(list, M_TEMP); 1693 return error; 1694 } 1695 nchan = 0; 1696 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1697 maxchan = ireq->i_len * NBBY; 1698 for (i = 0; i < ic->ic_nchans; i++) { 1699 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1700 /* 1701 * Calculate the intersection of the user list and the 1702 * available channels so users can do things like specify 1703 * 1-255 to get all available channels. 1704 */ 1705 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1706 setbit(chanlist, c->ic_ieee); 1707 nchan++; 1708 } 1709 } 1710 if (nchan == 0) { 1711 IEEE80211_FREE(list, M_TEMP); 1712 return EINVAL; 1713 } 1714 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1715 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1716 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1717 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1718 ieee80211_scan_flush(vap); 1719 IEEE80211_FREE(list, M_TEMP); 1720 return ENETRESET; 1721} 1722 1723static int 1724ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1725{ 1726 struct ieee80211_node *ni; 1727 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1728 int error; 1729 1730 /* 1731 * NB: we could copyin ieee80211req_sta_stats so apps 1732 * could make selective changes but that's overkill; 1733 * just clear all stats for now. 1734 */ 1735 if (ireq->i_len < IEEE80211_ADDR_LEN) 1736 return EINVAL; 1737 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1738 if (error != 0) 1739 return error; 1740 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1741 if (ni == NULL) 1742 return ENOENT; 1743 /* XXX require ni_vap == vap? */ 1744 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1745 ieee80211_free_node(ni); 1746 return 0; 1747} 1748 1749static int 1750ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1751{ 1752 struct ieee80211_node *ni; 1753 struct ieee80211req_sta_txpow txpow; 1754 int error; 1755 1756 if (ireq->i_len != sizeof(txpow)) 1757 return EINVAL; 1758 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1759 if (error != 0) 1760 return error; 1761 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1762 if (ni == NULL) 1763 return ENOENT; 1764 ni->ni_txpower = txpow.it_txpow; 1765 ieee80211_free_node(ni); 1766 return error; 1767} 1768 1769static int 1770ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1771{ 1772 struct ieee80211com *ic = vap->iv_ic; 1773 struct ieee80211_wme_state *wme = &ic->ic_wme; 1774 struct wmeParams *wmep, *chanp; 1775 int isbss, ac, aggrmode; 1776 1777 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1778 return EOPNOTSUPP; 1779 1780 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1781 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1782 aggrmode = (wme->wme_flags & WME_F_AGGRMODE); 1783 if (ac >= WME_NUM_AC) 1784 ac = WME_AC_BE; 1785 if (isbss) { 1786 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1787 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1788 } else { 1789 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1790 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1791 } 1792 switch (ireq->i_type) { 1793 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1794 wmep->wmep_logcwmin = ireq->i_val; 1795 if (!isbss || !aggrmode) 1796 chanp->wmep_logcwmin = ireq->i_val; 1797 break; 1798 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1799 wmep->wmep_logcwmax = ireq->i_val; 1800 if (!isbss || !aggrmode) 1801 chanp->wmep_logcwmax = ireq->i_val; 1802 break; 1803 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1804 wmep->wmep_aifsn = ireq->i_val; 1805 if (!isbss || !aggrmode) 1806 chanp->wmep_aifsn = ireq->i_val; 1807 break; 1808 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1809 wmep->wmep_txopLimit = ireq->i_val; 1810 if (!isbss || !aggrmode) 1811 chanp->wmep_txopLimit = ireq->i_val; 1812 break; 1813 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1814 wmep->wmep_acm = ireq->i_val; 1815 if (!aggrmode) 1816 chanp->wmep_acm = ireq->i_val; 1817 break; 1818 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1819 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1820 (ireq->i_val) == 0; 1821 break; 1822 } 1823 ieee80211_wme_updateparams(vap); 1824 return 0; 1825} 1826 1827static int 1828find11gchannel(struct ieee80211com *ic, int start, int freq) 1829{ 1830 const struct ieee80211_channel *c; 1831 int i; 1832 1833 for (i = start+1; i < ic->ic_nchans; i++) { 1834 c = &ic->ic_channels[i]; 1835 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1836 return 1; 1837 } 1838 /* NB: should not be needed but in case things are mis-sorted */ 1839 for (i = 0; i < start; i++) { 1840 c = &ic->ic_channels[i]; 1841 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1842 return 1; 1843 } 1844 return 0; 1845} 1846 1847static struct ieee80211_channel * 1848findchannel(struct ieee80211com *ic, int ieee, int mode) 1849{ 1850 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1851 [IEEE80211_MODE_AUTO] = 0, 1852 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1853 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1854 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1855 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1856 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1857 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1858 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1859 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1860 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1861 /* NB: handled specially below */ 1862 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1863 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1864 }; 1865 u_int modeflags; 1866 int i; 1867 1868 modeflags = chanflags[mode]; 1869 for (i = 0; i < ic->ic_nchans; i++) { 1870 struct ieee80211_channel *c = &ic->ic_channels[i]; 1871 1872 if (c->ic_ieee != ieee) 1873 continue; 1874 if (mode == IEEE80211_MODE_AUTO) { 1875 /* ignore turbo channels for autoselect */ 1876 if (IEEE80211_IS_CHAN_TURBO(c)) 1877 continue; 1878 /* 1879 * XXX special-case 11b/g channels so we 1880 * always select the g channel if both 1881 * are present. 1882 * XXX prefer HT to non-HT? 1883 */ 1884 if (!IEEE80211_IS_CHAN_B(c) || 1885 !find11gchannel(ic, i, c->ic_freq)) 1886 return c; 1887 } else { 1888 /* must check HT specially */ 1889 if ((mode == IEEE80211_MODE_11NA || 1890 mode == IEEE80211_MODE_11NG) && 1891 !IEEE80211_IS_CHAN_HT(c)) 1892 continue; 1893 if ((c->ic_flags & modeflags) == modeflags) 1894 return c; 1895 } 1896 } 1897 return NULL; 1898} 1899 1900/* 1901 * Check the specified against any desired mode (aka netband). 1902 * This is only used (presently) when operating in hostap mode 1903 * to enforce consistency. 1904 */ 1905static int 1906check_mode_consistency(const struct ieee80211_channel *c, int mode) 1907{ 1908 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1909 1910 switch (mode) { 1911 case IEEE80211_MODE_11B: 1912 return (IEEE80211_IS_CHAN_B(c)); 1913 case IEEE80211_MODE_11G: 1914 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1915 case IEEE80211_MODE_11A: 1916 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1917 case IEEE80211_MODE_STURBO_A: 1918 return (IEEE80211_IS_CHAN_STURBO(c)); 1919 case IEEE80211_MODE_11NA: 1920 return (IEEE80211_IS_CHAN_HTA(c)); 1921 case IEEE80211_MODE_11NG: 1922 return (IEEE80211_IS_CHAN_HTG(c)); 1923 } 1924 return 1; 1925 1926} 1927 1928/* 1929 * Common code to set the current channel. If the device 1930 * is up and running this may result in an immediate channel 1931 * change or a kick of the state machine. 1932 */ 1933static int 1934setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 1935{ 1936 struct ieee80211com *ic = vap->iv_ic; 1937 int error; 1938 1939 if (c != IEEE80211_CHAN_ANYC) { 1940 if (IEEE80211_IS_CHAN_RADAR(c)) 1941 return EBUSY; /* XXX better code? */ 1942 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 1943 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 1944 return EINVAL; 1945 if (!check_mode_consistency(c, vap->iv_des_mode)) 1946 return EINVAL; 1947 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 1948 if (IEEE80211_IS_CHAN_NOADHOC(c)) 1949 return EINVAL; 1950 } 1951 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) && 1952 vap->iv_bss->ni_chan == c) 1953 return 0; /* NB: nothing to do */ 1954 } 1955 vap->iv_des_chan = c; 1956 1957 error = 0; 1958 if (vap->iv_opmode == IEEE80211_M_MONITOR && 1959 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1960 /* 1961 * Monitor mode can switch directly. 1962 */ 1963 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 1964 /* XXX need state machine for other vap's to follow */ 1965 ieee80211_setcurchan(ic, vap->iv_des_chan); 1966 vap->iv_bss->ni_chan = ic->ic_curchan; 1967 } else { 1968 ic->ic_curchan = vap->iv_des_chan; 1969 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1970 } 1971 } else { 1972 /* 1973 * Need to go through the state machine in case we 1974 * need to reassociate or the like. The state machine 1975 * will pickup the desired channel and avoid scanning. 1976 */ 1977 if (IS_UP_AUTO(vap)) 1978 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 1979 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1980 /* 1981 * When not up+running and a real channel has 1982 * been specified fix the current channel so 1983 * there is immediate feedback; e.g. via ifconfig. 1984 */ 1985 ic->ic_curchan = vap->iv_des_chan; 1986 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1987 } 1988 } 1989 return error; 1990} 1991 1992/* 1993 * Old api for setting the current channel; this is 1994 * deprecated because channel numbers are ambiguous. 1995 */ 1996static int 1997ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 1998 const struct ieee80211req *ireq) 1999{ 2000 struct ieee80211com *ic = vap->iv_ic; 2001 struct ieee80211_channel *c; 2002 2003 /* XXX 0xffff overflows 16-bit signed */ 2004 if (ireq->i_val == 0 || 2005 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 2006 c = IEEE80211_CHAN_ANYC; 2007 } else { 2008 struct ieee80211_channel *c2; 2009 2010 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 2011 if (c == NULL) { 2012 c = findchannel(ic, ireq->i_val, 2013 IEEE80211_MODE_AUTO); 2014 if (c == NULL) 2015 return EINVAL; 2016 } 2017 /* 2018 * Fine tune channel selection based on desired mode: 2019 * if 11b is requested, find the 11b version of any 2020 * 11g channel returned, 2021 * if static turbo, find the turbo version of any 2022 * 11a channel return, 2023 * if 11na is requested, find the ht version of any 2024 * 11a channel returned, 2025 * if 11ng is requested, find the ht version of any 2026 * 11g channel returned, 2027 * otherwise we should be ok with what we've got. 2028 */ 2029 switch (vap->iv_des_mode) { 2030 case IEEE80211_MODE_11B: 2031 if (IEEE80211_IS_CHAN_ANYG(c)) { 2032 c2 = findchannel(ic, ireq->i_val, 2033 IEEE80211_MODE_11B); 2034 /* NB: should not happen, =>'s 11g w/o 11b */ 2035 if (c2 != NULL) 2036 c = c2; 2037 } 2038 break; 2039 case IEEE80211_MODE_TURBO_A: 2040 if (IEEE80211_IS_CHAN_A(c)) { 2041 c2 = findchannel(ic, ireq->i_val, 2042 IEEE80211_MODE_TURBO_A); 2043 if (c2 != NULL) 2044 c = c2; 2045 } 2046 break; 2047 case IEEE80211_MODE_11NA: 2048 if (IEEE80211_IS_CHAN_A(c)) { 2049 c2 = findchannel(ic, ireq->i_val, 2050 IEEE80211_MODE_11NA); 2051 if (c2 != NULL) 2052 c = c2; 2053 } 2054 break; 2055 case IEEE80211_MODE_11NG: 2056 if (IEEE80211_IS_CHAN_ANYG(c)) { 2057 c2 = findchannel(ic, ireq->i_val, 2058 IEEE80211_MODE_11NG); 2059 if (c2 != NULL) 2060 c = c2; 2061 } 2062 break; 2063 default: /* NB: no static turboG */ 2064 break; 2065 } 2066 } 2067 return setcurchan(vap, c); 2068} 2069 2070/* 2071 * New/current api for setting the current channel; a complete 2072 * channel description is provide so there is no ambiguity in 2073 * identifying the channel. 2074 */ 2075static int 2076ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 2077 const struct ieee80211req *ireq) 2078{ 2079 struct ieee80211com *ic = vap->iv_ic; 2080 struct ieee80211_channel chan, *c; 2081 int error; 2082 2083 if (ireq->i_len != sizeof(chan)) 2084 return EINVAL; 2085 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2086 if (error != 0) 2087 return error; 2088 /* XXX 0xffff overflows 16-bit signed */ 2089 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2090 c = IEEE80211_CHAN_ANYC; 2091 } else { 2092 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2093 if (c == NULL) 2094 return EINVAL; 2095 } 2096 return setcurchan(vap, c); 2097} 2098 2099static int 2100ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2101 const struct ieee80211req *ireq) 2102{ 2103 struct ieee80211_regdomain_req *reg; 2104 int nchans, error; 2105 2106 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2107 sizeof(struct ieee80211_channel)); 2108 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2109 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2110 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2111 ireq->i_len, nchans); 2112 return EINVAL; 2113 } 2114 reg = (struct ieee80211_regdomain_req *) 2115 IEEE80211_MALLOC(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, 2116 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2117 if (reg == NULL) { 2118 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2119 "%s: no memory, nchans %d\n", __func__, nchans); 2120 return ENOMEM; 2121 } 2122 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2123 if (error == 0) { 2124 /* NB: validate inline channel count against storage size */ 2125 if (reg->chaninfo.ic_nchans != nchans) { 2126 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2127 "%s: chan cnt mismatch, %d != %d\n", __func__, 2128 reg->chaninfo.ic_nchans, nchans); 2129 error = EINVAL; 2130 } else 2131 error = ieee80211_setregdomain(vap, reg); 2132 } 2133 IEEE80211_FREE(reg, M_TEMP); 2134 2135 return (error == 0 ? ENETRESET : error); 2136} 2137 2138static int 2139checkrate(const struct ieee80211_rateset *rs, int rate) 2140{ 2141 int i; 2142 2143 if (rate == IEEE80211_FIXED_RATE_NONE) 2144 return 1; 2145 for (i = 0; i < rs->rs_nrates; i++) 2146 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2147 return 1; 2148 return 0; 2149} 2150 2151static int 2152checkmcs(int mcs) 2153{ 2154 if (mcs == IEEE80211_FIXED_RATE_NONE) 2155 return 1; 2156 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2157 return 0; 2158 return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */ 2159} 2160 2161static int 2162ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2163 const struct ieee80211req *ireq) 2164{ 2165 struct ieee80211com *ic = vap->iv_ic; 2166 struct ieee80211_roamparams_req *parms; 2167 struct ieee80211_roamparam *src, *dst; 2168 const struct ieee80211_rateset *rs; 2169 int changed, error, mode, is11n, nmodes; 2170 2171 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2172 return EINVAL; 2173 2174 parms = IEEE80211_MALLOC(sizeof(*parms), M_TEMP, 2175 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2176 if (parms == NULL) 2177 return ENOMEM; 2178 2179 error = copyin(ireq->i_data, parms, ireq->i_len); 2180 if (error != 0) 2181 goto fail; 2182 2183 changed = 0; 2184 nmodes = IEEE80211_MODE_MAX; 2185 2186 /* validate parameters and check if anything changed */ 2187 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2188 if (isclr(ic->ic_modecaps, mode)) 2189 continue; 2190 src = &parms->params[mode]; 2191 dst = &vap->iv_roamparms[mode]; 2192 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2193 is11n = (mode == IEEE80211_MODE_11NA || 2194 mode == IEEE80211_MODE_11NG); 2195 if (src->rate != dst->rate) { 2196 if (!checkrate(rs, src->rate) && 2197 (!is11n || !checkmcs(src->rate))) { 2198 error = EINVAL; 2199 goto fail; 2200 } 2201 changed++; 2202 } 2203 if (src->rssi != dst->rssi) 2204 changed++; 2205 } 2206 if (changed) { 2207 /* 2208 * Copy new parameters in place and notify the 2209 * driver so it can push state to the device. 2210 */ 2211 /* XXX locking? */ 2212 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2213 if (isset(ic->ic_modecaps, mode)) 2214 vap->iv_roamparms[mode] = parms->params[mode]; 2215 } 2216 2217 if (vap->iv_roaming == IEEE80211_ROAMING_DEVICE) 2218 error = ERESTART; 2219 } 2220 2221fail: IEEE80211_FREE(parms, M_TEMP); 2222 return error; 2223} 2224 2225static int 2226ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2227 const struct ieee80211req *ireq) 2228{ 2229 struct ieee80211com *ic = vap->iv_ic; 2230 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2231 struct ieee80211_txparam *src, *dst; 2232 const struct ieee80211_rateset *rs; 2233 int error, mode, changed, is11n, nmodes; 2234 2235 /* NB: accept short requests for backwards compat */ 2236 if (ireq->i_len > sizeof(parms)) 2237 return EINVAL; 2238 error = copyin(ireq->i_data, &parms, ireq->i_len); 2239 if (error != 0) 2240 return error; 2241 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2242 changed = 0; 2243 /* validate parameters and check if anything changed */ 2244 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2245 if (isclr(ic->ic_modecaps, mode)) 2246 continue; 2247 src = &parms.params[mode]; 2248 dst = &vap->iv_txparms[mode]; 2249 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2250 is11n = (mode == IEEE80211_MODE_11NA || 2251 mode == IEEE80211_MODE_11NG); 2252 if (src->ucastrate != dst->ucastrate) { 2253 if (!checkrate(rs, src->ucastrate) && 2254 (!is11n || !checkmcs(src->ucastrate))) 2255 return EINVAL; 2256 changed++; 2257 } 2258 if (src->mcastrate != dst->mcastrate) { 2259 if (!checkrate(rs, src->mcastrate) && 2260 (!is11n || !checkmcs(src->mcastrate))) 2261 return EINVAL; 2262 changed++; 2263 } 2264 if (src->mgmtrate != dst->mgmtrate) { 2265 if (!checkrate(rs, src->mgmtrate) && 2266 (!is11n || !checkmcs(src->mgmtrate))) 2267 return EINVAL; 2268 changed++; 2269 } 2270 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2271 changed++; 2272 } 2273 if (changed) { 2274 /* 2275 * Copy new parameters in place and notify the 2276 * driver so it can push state to the device. 2277 */ 2278 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2279 if (isset(ic->ic_modecaps, mode)) 2280 vap->iv_txparms[mode] = parms.params[mode]; 2281 } 2282 /* XXX could be more intelligent, 2283 e.g. don't reset if setting not being used */ 2284 return ENETRESET; 2285 } 2286 return 0; 2287} 2288 2289/* 2290 * Application Information Element support. 2291 */ 2292static int 2293setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2294{ 2295 struct ieee80211_appie *app = *aie; 2296 struct ieee80211_appie *napp; 2297 int error; 2298 2299 if (ireq->i_len == 0) { /* delete any existing ie */ 2300 if (app != NULL) { 2301 *aie = NULL; /* XXX racey */ 2302 IEEE80211_FREE(app, M_80211_NODE_IE); 2303 } 2304 return 0; 2305 } 2306 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2307 return EINVAL; 2308 /* 2309 * Allocate a new appie structure and copy in the user data. 2310 * When done swap in the new structure. Note that we do not 2311 * guard against users holding a ref to the old structure; 2312 * this must be handled outside this code. 2313 * 2314 * XXX bad bad bad 2315 */ 2316 napp = (struct ieee80211_appie *) IEEE80211_MALLOC( 2317 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, 2318 IEEE80211_M_NOWAIT); 2319 if (napp == NULL) 2320 return ENOMEM; 2321 /* XXX holding ic lock */ 2322 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2323 if (error) { 2324 IEEE80211_FREE(napp, M_80211_NODE_IE); 2325 return error; 2326 } 2327 napp->ie_len = ireq->i_len; 2328 *aie = napp; 2329 if (app != NULL) 2330 IEEE80211_FREE(app, M_80211_NODE_IE); 2331 return 0; 2332} 2333 2334static void 2335setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2336{ 2337 /* validate data is present as best we can */ 2338 if (space == 0 || 2+ie[1] > space) 2339 return; 2340 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2341 vap->iv_wpa_ie = ie; 2342 else if (ie[0] == IEEE80211_ELEMID_RSN) 2343 vap->iv_rsn_ie = ie; 2344} 2345 2346static int 2347ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2348 const struct ieee80211req *ireq, int fc0) 2349{ 2350 int error; 2351 2352 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2353 2354 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2355 case IEEE80211_FC0_SUBTYPE_BEACON: 2356 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2357 vap->iv_opmode != IEEE80211_M_IBSS) { 2358 error = EINVAL; 2359 break; 2360 } 2361 error = setappie(&vap->iv_appie_beacon, ireq); 2362 if (error == 0) 2363 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2364 break; 2365 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2366 error = setappie(&vap->iv_appie_proberesp, ireq); 2367 break; 2368 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2369 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2370 error = setappie(&vap->iv_appie_assocresp, ireq); 2371 else 2372 error = EINVAL; 2373 break; 2374 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2375 error = setappie(&vap->iv_appie_probereq, ireq); 2376 break; 2377 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2378 if (vap->iv_opmode == IEEE80211_M_STA) 2379 error = setappie(&vap->iv_appie_assocreq, ireq); 2380 else 2381 error = EINVAL; 2382 break; 2383 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2384 error = setappie(&vap->iv_appie_wpa, ireq); 2385 if (error == 0) { 2386 /* 2387 * Must split single blob of data into separate 2388 * WPA and RSN ie's because they go in different 2389 * locations in the mgt frames. 2390 * XXX use IEEE80211_IOC_WPA2 so user code does split 2391 */ 2392 vap->iv_wpa_ie = NULL; 2393 vap->iv_rsn_ie = NULL; 2394 if (vap->iv_appie_wpa != NULL) { 2395 struct ieee80211_appie *appie = 2396 vap->iv_appie_wpa; 2397 uint8_t *data = appie->ie_data; 2398 2399 /* XXX ie length validate is painful, cheat */ 2400 setwparsnie(vap, data, appie->ie_len); 2401 setwparsnie(vap, data + 2 + data[1], 2402 appie->ie_len - (2 + data[1])); 2403 } 2404 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2405 vap->iv_opmode == IEEE80211_M_IBSS) { 2406 /* 2407 * Must rebuild beacon frame as the update 2408 * mechanism doesn't handle WPA/RSN ie's. 2409 * Could extend it but it doesn't normally 2410 * change; this is just to deal with hostapd 2411 * plumbing the ie after the interface is up. 2412 */ 2413 error = ENETRESET; 2414 } 2415 } 2416 break; 2417 default: 2418 error = EINVAL; 2419 break; 2420 } 2421 return error; 2422} 2423 2424static int 2425ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2426 const struct ieee80211req *ireq) 2427{ 2428 struct ieee80211com *ic = vap->iv_ic; 2429 int error; 2430 uint8_t fc0; 2431 2432 fc0 = ireq->i_val & 0xff; 2433 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2434 return EINVAL; 2435 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2436 IEEE80211_LOCK(ic); 2437 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2438 IEEE80211_UNLOCK(ic); 2439 return error; 2440} 2441 2442static int 2443ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2444{ 2445 struct ieee80211com *ic = vap->iv_ic; 2446 struct ieee80211_chanswitch_req csr; 2447 struct ieee80211_channel *c; 2448 int error; 2449 2450 if (ireq->i_len != sizeof(csr)) 2451 return EINVAL; 2452 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2453 if (error != 0) 2454 return error; 2455 /* XXX adhoc mode not supported */ 2456 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2457 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2458 return EOPNOTSUPP; 2459 c = ieee80211_find_channel(ic, 2460 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2461 if (c == NULL) 2462 return ENOENT; 2463 IEEE80211_LOCK(ic); 2464 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2465 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2466 else if (csr.csa_count == 0) 2467 ieee80211_csa_cancelswitch(ic); 2468 else 2469 error = EBUSY; 2470 IEEE80211_UNLOCK(ic); 2471 return error; 2472} 2473 2474static int 2475ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr) 2476{ 2477#define IEEE80211_IOC_SCAN_FLAGS \ 2478 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2479 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2480 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2481 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2482 IEEE80211_IOC_SCAN_CHECK) 2483 struct ieee80211com *ic = vap->iv_ic; 2484 int error, i; 2485 2486 /* convert duration */ 2487 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2488 sr->sr_duration = IEEE80211_SCAN_FOREVER; 2489 else { 2490 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2491 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2492 return EINVAL; 2493 sr->sr_duration = msecs_to_ticks(sr->sr_duration); 2494 if (sr->sr_duration < 1) 2495 sr->sr_duration = 1; 2496 } 2497 /* convert min/max channel dwell */ 2498 if (sr->sr_mindwell != 0) { 2499 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell); 2500 if (sr->sr_mindwell < 1) 2501 sr->sr_mindwell = 1; 2502 } 2503 if (sr->sr_maxdwell != 0) { 2504 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell); 2505 if (sr->sr_maxdwell < 1) 2506 sr->sr_maxdwell = 1; 2507 } 2508 /* NB: silently reduce ssid count to what is supported */ 2509 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID) 2510 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID; 2511 for (i = 0; i < sr->sr_nssid; i++) 2512 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN) 2513 return EINVAL; 2514 /* cleanse flags just in case, could reject if invalid flags */ 2515 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2516 /* 2517 * Add an implicit NOPICK if the vap is not marked UP. This 2518 * allows applications to scan without joining a bss (or picking 2519 * a channel and setting up a bss) and without forcing manual 2520 * roaming mode--you just need to mark the parent device UP. 2521 */ 2522 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2523 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2524 2525 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2526 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2527 __func__, sr->sr_flags, 2528 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2529 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid); 2530 /* 2531 * If we are in INIT state then the driver has never had a chance 2532 * to setup hardware state to do a scan; we must use the state 2533 * machine to get us up to the SCAN state but once we reach SCAN 2534 * state we then want to use the supplied params. Stash the 2535 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2536 * state machines will recognize this and use the stashed params 2537 * to issue the scan request. 2538 * 2539 * Otherwise just invoke the scan machinery directly. 2540 */ 2541 IEEE80211_LOCK(ic); 2542 if (ic->ic_nrunning == 0) { 2543 IEEE80211_UNLOCK(ic); 2544 return ENXIO; 2545 } 2546 2547 if (vap->iv_state == IEEE80211_S_INIT) { 2548 /* NB: clobbers previous settings */ 2549 vap->iv_scanreq_flags = sr->sr_flags; 2550 vap->iv_scanreq_duration = sr->sr_duration; 2551 vap->iv_scanreq_nssid = sr->sr_nssid; 2552 for (i = 0; i < sr->sr_nssid; i++) { 2553 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len; 2554 memcpy(vap->iv_scanreq_ssid[i].ssid, 2555 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len); 2556 } 2557 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2558 IEEE80211_UNLOCK(ic); 2559 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2560 } else { 2561 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2562 IEEE80211_UNLOCK(ic); 2563 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2564 error = ieee80211_check_scan(vap, sr->sr_flags, 2565 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2566 sr->sr_nssid, 2567 /* NB: cheat, we assume structures are compatible */ 2568 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2569 } else { 2570 error = ieee80211_start_scan(vap, sr->sr_flags, 2571 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2572 sr->sr_nssid, 2573 /* NB: cheat, we assume structures are compatible */ 2574 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2575 } 2576 if (error == 0) 2577 return EINPROGRESS; 2578 } 2579 return 0; 2580#undef IEEE80211_IOC_SCAN_FLAGS 2581} 2582 2583static int 2584ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2585{ 2586 struct ieee80211_scan_req *sr; 2587 int error; 2588 2589 if (ireq->i_len != sizeof(*sr)) 2590 return EINVAL; 2591 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 2592 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2593 if (sr == NULL) 2594 return ENOMEM; 2595 error = copyin(ireq->i_data, sr, sizeof(*sr)); 2596 if (error != 0) 2597 goto bad; 2598 error = ieee80211_scanreq(vap, sr); 2599bad: 2600 IEEE80211_FREE(sr, M_TEMP); 2601 return error; 2602} 2603 2604static int 2605ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2606{ 2607 struct ieee80211_node *ni; 2608 struct ieee80211req_sta_vlan vlan; 2609 int error; 2610 2611 if (ireq->i_len != sizeof(vlan)) 2612 return EINVAL; 2613 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2614 if (error != 0) 2615 return error; 2616 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2617 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2618 vlan.sv_macaddr); 2619 if (ni == NULL) 2620 return ENOENT; 2621 } else 2622 ni = ieee80211_ref_node(vap->iv_bss); 2623 ni->ni_vlan = vlan.sv_vlan; 2624 ieee80211_free_node(ni); 2625 return error; 2626} 2627 2628static int 2629isvap11g(const struct ieee80211vap *vap) 2630{ 2631 const struct ieee80211_node *bss = vap->iv_bss; 2632 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2633 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2634} 2635 2636static int 2637isvapht(const struct ieee80211vap *vap) 2638{ 2639 const struct ieee80211_node *bss = vap->iv_bss; 2640 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2641 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2642} 2643 2644/* 2645 * Dummy ioctl set handler so the linker set is defined. 2646 */ 2647static int 2648dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2649{ 2650 return ENOSYS; 2651} 2652IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2653 2654static int 2655ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2656{ 2657 ieee80211_ioctl_setfunc * const *set; 2658 int error; 2659 2660 SET_FOREACH(set, ieee80211_ioctl_setset) { 2661 error = (*set)(vap, ireq); 2662 if (error != ENOSYS) 2663 return error; 2664 } 2665 return EINVAL; 2666} 2667 2668static int 2669ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2670{ 2671 struct ieee80211com *ic = vap->iv_ic; 2672 int error; 2673 const struct ieee80211_authenticator *auth; 2674 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2675 char tmpssid[IEEE80211_NWID_LEN]; 2676 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2677 struct ieee80211_key *k; 2678 u_int kid; 2679 uint32_t flags; 2680 2681 error = 0; 2682 switch (ireq->i_type) { 2683 case IEEE80211_IOC_SSID: 2684 if (ireq->i_val != 0 || 2685 ireq->i_len > IEEE80211_NWID_LEN) 2686 return EINVAL; 2687 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2688 if (error) 2689 break; 2690 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2691 vap->iv_des_ssid[0].len = ireq->i_len; 2692 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2693 vap->iv_des_nssid = (ireq->i_len > 0); 2694 error = ENETRESET; 2695 break; 2696 case IEEE80211_IOC_WEP: 2697 switch (ireq->i_val) { 2698 case IEEE80211_WEP_OFF: 2699 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2700 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2701 break; 2702 case IEEE80211_WEP_ON: 2703 vap->iv_flags |= IEEE80211_F_PRIVACY; 2704 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2705 break; 2706 case IEEE80211_WEP_MIXED: 2707 vap->iv_flags |= IEEE80211_F_PRIVACY; 2708 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2709 break; 2710 } 2711 error = ENETRESET; 2712 break; 2713 case IEEE80211_IOC_WEPKEY: 2714 kid = (u_int) ireq->i_val; 2715 if (kid >= IEEE80211_WEP_NKID) 2716 return EINVAL; 2717 k = &vap->iv_nw_keys[kid]; 2718 if (ireq->i_len == 0) { 2719 /* zero-len =>'s delete any existing key */ 2720 (void) ieee80211_crypto_delkey(vap, k); 2721 break; 2722 } 2723 if (ireq->i_len > sizeof(tmpkey)) 2724 return EINVAL; 2725 memset(tmpkey, 0, sizeof(tmpkey)); 2726 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2727 if (error) 2728 break; 2729 ieee80211_key_update_begin(vap); 2730 k->wk_keyix = kid; /* NB: force fixed key id */ 2731 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2732 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2733 k->wk_keylen = ireq->i_len; 2734 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2735 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2736 if (!ieee80211_crypto_setkey(vap, k)) 2737 error = EINVAL; 2738 } else 2739 error = EINVAL; 2740 ieee80211_key_update_end(vap); 2741 break; 2742 case IEEE80211_IOC_WEPTXKEY: 2743 kid = (u_int) ireq->i_val; 2744 if (kid >= IEEE80211_WEP_NKID && 2745 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2746 return EINVAL; 2747 vap->iv_def_txkey = kid; 2748 break; 2749 case IEEE80211_IOC_AUTHMODE: 2750 switch (ireq->i_val) { 2751 case IEEE80211_AUTH_WPA: 2752 case IEEE80211_AUTH_8021X: /* 802.1x */ 2753 case IEEE80211_AUTH_OPEN: /* open */ 2754 case IEEE80211_AUTH_SHARED: /* shared-key */ 2755 case IEEE80211_AUTH_AUTO: /* auto */ 2756 auth = ieee80211_authenticator_get(ireq->i_val); 2757 if (auth == NULL) 2758 return EINVAL; 2759 break; 2760 default: 2761 return EINVAL; 2762 } 2763 switch (ireq->i_val) { 2764 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2765 vap->iv_flags |= IEEE80211_F_PRIVACY; 2766 ireq->i_val = IEEE80211_AUTH_8021X; 2767 break; 2768 case IEEE80211_AUTH_OPEN: /* open */ 2769 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2770 break; 2771 case IEEE80211_AUTH_SHARED: /* shared-key */ 2772 case IEEE80211_AUTH_8021X: /* 802.1x */ 2773 vap->iv_flags &= ~IEEE80211_F_WPA; 2774 /* both require a key so mark the PRIVACY capability */ 2775 vap->iv_flags |= IEEE80211_F_PRIVACY; 2776 break; 2777 case IEEE80211_AUTH_AUTO: /* auto */ 2778 vap->iv_flags &= ~IEEE80211_F_WPA; 2779 /* XXX PRIVACY handling? */ 2780 /* XXX what's the right way to do this? */ 2781 break; 2782 } 2783 /* NB: authenticator attach/detach happens on state change */ 2784 vap->iv_bss->ni_authmode = ireq->i_val; 2785 /* XXX mixed/mode/usage? */ 2786 vap->iv_auth = auth; 2787 error = ENETRESET; 2788 break; 2789 case IEEE80211_IOC_CHANNEL: 2790 error = ieee80211_ioctl_setchannel(vap, ireq); 2791 break; 2792 case IEEE80211_IOC_POWERSAVE: 2793 switch (ireq->i_val) { 2794 case IEEE80211_POWERSAVE_OFF: 2795 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2796 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2797 error = ERESTART; 2798 } 2799 break; 2800 case IEEE80211_POWERSAVE_ON: 2801 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2802 error = EOPNOTSUPP; 2803 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2804 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2805 error = ERESTART; 2806 } 2807 break; 2808 default: 2809 error = EINVAL; 2810 break; 2811 } 2812 break; 2813 case IEEE80211_IOC_POWERSAVESLEEP: 2814 if (ireq->i_val < 0) 2815 return EINVAL; 2816 ic->ic_lintval = ireq->i_val; 2817 error = ERESTART; 2818 break; 2819 case IEEE80211_IOC_RTSTHRESHOLD: 2820 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2821 ireq->i_val <= IEEE80211_RTS_MAX)) 2822 return EINVAL; 2823 vap->iv_rtsthreshold = ireq->i_val; 2824 error = ERESTART; 2825 break; 2826 case IEEE80211_IOC_PROTMODE: 2827 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2828 return EINVAL; 2829 ic->ic_protmode = (enum ieee80211_protmode)ireq->i_val; 2830 /* NB: if not operating in 11g this can wait */ 2831 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2832 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2833 error = ERESTART; 2834 break; 2835 case IEEE80211_IOC_TXPOWER: 2836 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2837 return EOPNOTSUPP; 2838 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2839 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2840 return EINVAL; 2841 ic->ic_txpowlimit = ireq->i_val; 2842 error = ERESTART; 2843 break; 2844 case IEEE80211_IOC_ROAMING: 2845 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2846 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2847 return EINVAL; 2848 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val; 2849 /* XXXX reset? */ 2850 break; 2851 case IEEE80211_IOC_PRIVACY: 2852 if (ireq->i_val) { 2853 /* XXX check for key state? */ 2854 vap->iv_flags |= IEEE80211_F_PRIVACY; 2855 } else 2856 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2857 /* XXX ERESTART? */ 2858 break; 2859 case IEEE80211_IOC_DROPUNENCRYPTED: 2860 if (ireq->i_val) 2861 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2862 else 2863 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2864 /* XXX ERESTART? */ 2865 break; 2866 case IEEE80211_IOC_WPAKEY: 2867 error = ieee80211_ioctl_setkey(vap, ireq); 2868 break; 2869 case IEEE80211_IOC_DELKEY: 2870 error = ieee80211_ioctl_delkey(vap, ireq); 2871 break; 2872 case IEEE80211_IOC_MLME: 2873 error = ieee80211_ioctl_setmlme(vap, ireq); 2874 break; 2875 case IEEE80211_IOC_COUNTERMEASURES: 2876 if (ireq->i_val) { 2877 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2878 return EOPNOTSUPP; 2879 vap->iv_flags |= IEEE80211_F_COUNTERM; 2880 } else 2881 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2882 /* XXX ERESTART? */ 2883 break; 2884 case IEEE80211_IOC_WPA: 2885 if (ireq->i_val > 3) 2886 return EINVAL; 2887 /* XXX verify ciphers available */ 2888 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2889 switch (ireq->i_val) { 2890 case 0: 2891 /* wpa_supplicant calls this to clear the WPA config */ 2892 break; 2893 case 1: 2894 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2895 return EOPNOTSUPP; 2896 flags |= IEEE80211_F_WPA1; 2897 break; 2898 case 2: 2899 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2900 return EOPNOTSUPP; 2901 flags |= IEEE80211_F_WPA2; 2902 break; 2903 case 3: 2904 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2905 return EOPNOTSUPP; 2906 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2907 break; 2908 default: /* Can't set any -> error */ 2909 return EOPNOTSUPP; 2910 } 2911 vap->iv_flags = flags; 2912 error = ERESTART; /* NB: can change beacon frame */ 2913 break; 2914 case IEEE80211_IOC_WME: 2915 if (ireq->i_val) { 2916 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 2917 return EOPNOTSUPP; 2918 ieee80211_syncflag(vap, IEEE80211_F_WME); 2919 } else 2920 ieee80211_syncflag(vap, -IEEE80211_F_WME); 2921 error = ERESTART; /* NB: can change beacon frame */ 2922 break; 2923 case IEEE80211_IOC_HIDESSID: 2924 if (ireq->i_val) 2925 vap->iv_flags |= IEEE80211_F_HIDESSID; 2926 else 2927 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 2928 error = ERESTART; /* XXX ENETRESET? */ 2929 break; 2930 case IEEE80211_IOC_APBRIDGE: 2931 if (ireq->i_val == 0) 2932 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 2933 else 2934 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 2935 break; 2936 case IEEE80211_IOC_BSSID: 2937 if (ireq->i_len != sizeof(tmpbssid)) 2938 return EINVAL; 2939 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 2940 if (error) 2941 break; 2942 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 2943 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 2944 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 2945 else 2946 vap->iv_flags |= IEEE80211_F_DESBSSID; 2947 error = ENETRESET; 2948 break; 2949 case IEEE80211_IOC_CHANLIST: 2950 error = ieee80211_ioctl_setchanlist(vap, ireq); 2951 break; 2952#define OLD_IEEE80211_IOC_SCAN_REQ 23 2953#ifdef OLD_IEEE80211_IOC_SCAN_REQ 2954 case OLD_IEEE80211_IOC_SCAN_REQ: 2955 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2956 "%s: active scan request\n", __func__); 2957 /* 2958 * If we are in INIT state then the driver has never 2959 * had a chance to setup hardware state to do a scan; 2960 * use the state machine to get us up the SCAN state. 2961 * Otherwise just invoke the scan machinery to start 2962 * a one-time scan. 2963 */ 2964 if (vap->iv_state == IEEE80211_S_INIT) 2965 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2966 else 2967 (void) ieee80211_start_scan(vap, 2968 IEEE80211_SCAN_ACTIVE | 2969 IEEE80211_SCAN_NOPICK | 2970 IEEE80211_SCAN_ONCE, 2971 IEEE80211_SCAN_FOREVER, 0, 0, 2972 /* XXX use ioctl params */ 2973 vap->iv_des_nssid, vap->iv_des_ssid); 2974 break; 2975#endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 2976 case IEEE80211_IOC_SCAN_REQ: 2977 error = ieee80211_ioctl_scanreq(vap, ireq); 2978 break; 2979 case IEEE80211_IOC_SCAN_CANCEL: 2980 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2981 "%s: cancel scan\n", __func__); 2982 ieee80211_cancel_scan(vap); 2983 break; 2984 case IEEE80211_IOC_HTCONF: 2985 if (ireq->i_val & 1) 2986 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 2987 else 2988 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 2989 if (ireq->i_val & 2) 2990 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 2991 else 2992 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 2993 error = ENETRESET; 2994 break; 2995 case IEEE80211_IOC_ADDMAC: 2996 case IEEE80211_IOC_DELMAC: 2997 error = ieee80211_ioctl_macmac(vap, ireq); 2998 break; 2999 case IEEE80211_IOC_MACCMD: 3000 error = ieee80211_ioctl_setmaccmd(vap, ireq); 3001 break; 3002 case IEEE80211_IOC_STA_STATS: 3003 error = ieee80211_ioctl_setstastats(vap, ireq); 3004 break; 3005 case IEEE80211_IOC_STA_TXPOW: 3006 error = ieee80211_ioctl_setstatxpow(vap, ireq); 3007 break; 3008 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 3009 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 3010 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 3011 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 3012 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 3013 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 3014 error = ieee80211_ioctl_setwmeparam(vap, ireq); 3015 break; 3016 case IEEE80211_IOC_DTIM_PERIOD: 3017 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3018 vap->iv_opmode != IEEE80211_M_MBSS && 3019 vap->iv_opmode != IEEE80211_M_IBSS) 3020 return EINVAL; 3021 if (IEEE80211_DTIM_MIN <= ireq->i_val && 3022 ireq->i_val <= IEEE80211_DTIM_MAX) { 3023 vap->iv_dtim_period = ireq->i_val; 3024 error = ENETRESET; /* requires restart */ 3025 } else 3026 error = EINVAL; 3027 break; 3028 case IEEE80211_IOC_BEACON_INTERVAL: 3029 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3030 vap->iv_opmode != IEEE80211_M_MBSS && 3031 vap->iv_opmode != IEEE80211_M_IBSS) 3032 return EINVAL; 3033 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 3034 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 3035 ic->ic_bintval = ireq->i_val; 3036 error = ENETRESET; /* requires restart */ 3037 } else 3038 error = EINVAL; 3039 break; 3040 case IEEE80211_IOC_PUREG: 3041 if (ireq->i_val) 3042 vap->iv_flags |= IEEE80211_F_PUREG; 3043 else 3044 vap->iv_flags &= ~IEEE80211_F_PUREG; 3045 /* NB: reset only if we're operating on an 11g channel */ 3046 if (isvap11g(vap)) 3047 error = ENETRESET; 3048 break; 3049 case IEEE80211_IOC_QUIET: 3050 vap->iv_quiet= ireq->i_val; 3051 break; 3052 case IEEE80211_IOC_QUIET_COUNT: 3053 vap->iv_quiet_count=ireq->i_val; 3054 break; 3055 case IEEE80211_IOC_QUIET_PERIOD: 3056 vap->iv_quiet_period=ireq->i_val; 3057 break; 3058 case IEEE80211_IOC_QUIET_OFFSET: 3059 vap->iv_quiet_offset=ireq->i_val; 3060 break; 3061 case IEEE80211_IOC_QUIET_DUR: 3062 if(ireq->i_val < vap->iv_bss->ni_intval) 3063 vap->iv_quiet_duration = ireq->i_val; 3064 else 3065 error = EINVAL; 3066 break; 3067 case IEEE80211_IOC_BGSCAN: 3068 if (ireq->i_val) { 3069 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 3070 return EOPNOTSUPP; 3071 vap->iv_flags |= IEEE80211_F_BGSCAN; 3072 } else 3073 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 3074 break; 3075 case IEEE80211_IOC_BGSCAN_IDLE: 3076 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 3077 vap->iv_bgscanidle = ireq->i_val*hz/1000; 3078 else 3079 error = EINVAL; 3080 break; 3081 case IEEE80211_IOC_BGSCAN_INTERVAL: 3082 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 3083 vap->iv_bgscanintvl = ireq->i_val*hz; 3084 else 3085 error = EINVAL; 3086 break; 3087 case IEEE80211_IOC_SCANVALID: 3088 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 3089 vap->iv_scanvalid = ireq->i_val*hz; 3090 else 3091 error = EINVAL; 3092 break; 3093 case IEEE80211_IOC_FRAGTHRESHOLD: 3094 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 3095 ireq->i_val != IEEE80211_FRAG_MAX) 3096 return EOPNOTSUPP; 3097 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 3098 ireq->i_val <= IEEE80211_FRAG_MAX)) 3099 return EINVAL; 3100 vap->iv_fragthreshold = ireq->i_val; 3101 error = ERESTART; 3102 break; 3103 case IEEE80211_IOC_BURST: 3104 if (ireq->i_val) { 3105 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 3106 return EOPNOTSUPP; 3107 ieee80211_syncflag(vap, IEEE80211_F_BURST); 3108 } else 3109 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 3110 error = ERESTART; 3111 break; 3112 case IEEE80211_IOC_BMISSTHRESHOLD: 3113 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 3114 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 3115 return EINVAL; 3116 vap->iv_bmissthreshold = ireq->i_val; 3117 error = ERESTART; 3118 break; 3119 case IEEE80211_IOC_CURCHAN: 3120 error = ieee80211_ioctl_setcurchan(vap, ireq); 3121 break; 3122 case IEEE80211_IOC_SHORTGI: 3123 if (ireq->i_val) { 3124#define IEEE80211_HTCAP_SHORTGI \ 3125 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 3126 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 3127 return EINVAL; 3128 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 3129 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 3130 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 3131 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 3132#undef IEEE80211_HTCAP_SHORTGI 3133 } else 3134 vap->iv_flags_ht &= 3135 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 3136 error = ERESTART; 3137 break; 3138 case IEEE80211_IOC_AMPDU: 3139 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 3140 return EINVAL; 3141 if (ireq->i_val & 1) 3142 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 3143 else 3144 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 3145 if (ireq->i_val & 2) 3146 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 3147 else 3148 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 3149 /* NB: reset only if we're operating on an 11n channel */ 3150 if (isvapht(vap)) 3151 error = ERESTART; 3152 break; 3153 case IEEE80211_IOC_AMPDU_LIMIT: 3154 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 3155 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 3156 return EINVAL; 3157 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 3158 vap->iv_ampdu_rxmax = ireq->i_val; 3159 else 3160 vap->iv_ampdu_limit = ireq->i_val; 3161 error = ERESTART; 3162 break; 3163 case IEEE80211_IOC_AMPDU_DENSITY: 3164 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 3165 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 3166 return EINVAL; 3167 vap->iv_ampdu_density = ireq->i_val; 3168 error = ERESTART; 3169 break; 3170 case IEEE80211_IOC_AMSDU: 3171 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 3172 return EINVAL; 3173 if (ireq->i_val & 1) 3174 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 3175 else 3176 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 3177 if (ireq->i_val & 2) 3178 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 3179 else 3180 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 3181 /* NB: reset only if we're operating on an 11n channel */ 3182 if (isvapht(vap)) 3183 error = ERESTART; 3184 break; 3185 case IEEE80211_IOC_AMSDU_LIMIT: 3186 /* XXX validate */ 3187 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 3188 break; 3189 case IEEE80211_IOC_PUREN: 3190 if (ireq->i_val) { 3191 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3192 return EINVAL; 3193 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3194 } else 3195 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3196 /* NB: reset only if we're operating on an 11n channel */ 3197 if (isvapht(vap)) 3198 error = ERESTART; 3199 break; 3200 case IEEE80211_IOC_DOTH: 3201 if (ireq->i_val) { 3202#if 0 3203 /* XXX no capability */ 3204 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3205 return EOPNOTSUPP; 3206#endif 3207 vap->iv_flags |= IEEE80211_F_DOTH; 3208 } else 3209 vap->iv_flags &= ~IEEE80211_F_DOTH; 3210 error = ENETRESET; 3211 break; 3212 case IEEE80211_IOC_REGDOMAIN: 3213 error = ieee80211_ioctl_setregdomain(vap, ireq); 3214 break; 3215 case IEEE80211_IOC_ROAM: 3216 error = ieee80211_ioctl_setroam(vap, ireq); 3217 break; 3218 case IEEE80211_IOC_TXPARAMS: 3219 error = ieee80211_ioctl_settxparams(vap, ireq); 3220 break; 3221 case IEEE80211_IOC_HTCOMPAT: 3222 if (ireq->i_val) { 3223 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3224 return EOPNOTSUPP; 3225 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3226 } else 3227 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 3228 /* NB: reset only if we're operating on an 11n channel */ 3229 if (isvapht(vap)) 3230 error = ERESTART; 3231 break; 3232 case IEEE80211_IOC_DWDS: 3233 if (ireq->i_val) { 3234 /* NB: DWDS only makes sense for WDS-capable devices */ 3235 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3236 return EOPNOTSUPP; 3237 /* NB: DWDS is used only with ap+sta vaps */ 3238 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3239 vap->iv_opmode != IEEE80211_M_STA) 3240 return EINVAL; 3241 vap->iv_flags |= IEEE80211_F_DWDS; 3242 if (vap->iv_opmode == IEEE80211_M_STA) 3243 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3244 } else { 3245 vap->iv_flags &= ~IEEE80211_F_DWDS; 3246 if (vap->iv_opmode == IEEE80211_M_STA) 3247 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3248 } 3249 break; 3250 case IEEE80211_IOC_INACTIVITY: 3251 if (ireq->i_val) 3252 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3253 else 3254 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3255 break; 3256 case IEEE80211_IOC_APPIE: 3257 error = ieee80211_ioctl_setappie(vap, ireq); 3258 break; 3259 case IEEE80211_IOC_WPS: 3260 if (ireq->i_val) { 3261 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3262 return EOPNOTSUPP; 3263 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3264 } else 3265 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3266 break; 3267 case IEEE80211_IOC_TSN: 3268 if (ireq->i_val) { 3269 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3270 return EOPNOTSUPP; 3271 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3272 } else 3273 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3274 break; 3275 case IEEE80211_IOC_CHANSWITCH: 3276 error = ieee80211_ioctl_chanswitch(vap, ireq); 3277 break; 3278 case IEEE80211_IOC_DFS: 3279 if (ireq->i_val) { 3280 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3281 return EOPNOTSUPP; 3282 /* NB: DFS requires 11h support */ 3283 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3284 return EINVAL; 3285 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3286 } else 3287 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3288 break; 3289 case IEEE80211_IOC_DOTD: 3290 if (ireq->i_val) 3291 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3292 else 3293 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3294 if (vap->iv_opmode == IEEE80211_M_STA) 3295 error = ENETRESET; 3296 break; 3297 case IEEE80211_IOC_HTPROTMODE: 3298 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3299 return EINVAL; 3300 ic->ic_htprotmode = ireq->i_val ? 3301 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3302 /* NB: if not operating in 11n this can wait */ 3303 if (isvapht(vap)) 3304 error = ERESTART; 3305 break; 3306 case IEEE80211_IOC_STA_VLAN: 3307 error = ieee80211_ioctl_setstavlan(vap, ireq); 3308 break; 3309 case IEEE80211_IOC_SMPS: 3310 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3311 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3312 return EINVAL; 3313 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3314 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3315 return EOPNOTSUPP; 3316 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3317 ireq->i_val; 3318 /* NB: if not operating in 11n this can wait */ 3319 if (isvapht(vap)) 3320 error = ERESTART; 3321 break; 3322 case IEEE80211_IOC_RIFS: 3323 if (ireq->i_val != 0) { 3324 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3325 return EOPNOTSUPP; 3326 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3327 } else 3328 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3329 /* NB: if not operating in 11n this can wait */ 3330 if (isvapht(vap)) 3331 error = ERESTART; 3332 break; 3333 case IEEE80211_IOC_STBC: 3334 /* Check if we can do STBC TX/RX before changing the setting */ 3335 if ((ireq->i_val & 1) && 3336 ((vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) == 0)) 3337 return EOPNOTSUPP; 3338 if ((ireq->i_val & 2) && 3339 ((vap->iv_htcaps & IEEE80211_HTCAP_RXSTBC) == 0)) 3340 return EOPNOTSUPP; 3341 3342 /* TX */ 3343 if (ireq->i_val & 1) 3344 vap->iv_flags_ht |= IEEE80211_FHT_STBC_TX; 3345 else 3346 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_TX; 3347 3348 /* RX */ 3349 if (ireq->i_val & 2) 3350 vap->iv_flags_ht |= IEEE80211_FHT_STBC_RX; 3351 else 3352 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_RX; 3353 3354 /* NB: reset only if we're operating on an 11n channel */ 3355 if (isvapht(vap)) 3356 error = ERESTART; 3357 break; 3358 default: 3359 error = ieee80211_ioctl_setdefault(vap, ireq); 3360 break; 3361 } 3362 /* 3363 * The convention is that ENETRESET means an operation 3364 * requires a complete re-initialization of the device (e.g. 3365 * changing something that affects the association state). 3366 * ERESTART means the request may be handled with only a 3367 * reload of the hardware state. We hand ERESTART requests 3368 * to the iv_reset callback so the driver can decide. If 3369 * a device does not fillin iv_reset then it defaults to one 3370 * that returns ENETRESET. Otherwise a driver may return 3371 * ENETRESET (in which case a full reset will be done) or 3372 * 0 to mean there's no need to do anything (e.g. when the 3373 * change has no effect on the driver/device). 3374 */ 3375 if (error == ERESTART) 3376 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3377 vap->iv_reset(vap, ireq->i_type) : 0; 3378 if (error == ENETRESET) { 3379 /* XXX need to re-think AUTO handling */ 3380 if (IS_UP_AUTO(vap)) 3381 ieee80211_init(vap); 3382 error = 0; 3383 } 3384 return error; 3385} 3386 3387int 3388ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3389{ 3390 struct ieee80211vap *vap = ifp->if_softc; 3391 struct ieee80211com *ic = vap->iv_ic; 3392 int error = 0, wait = 0, ic_used; 3393 struct ifreq *ifr; 3394 struct ifaddr *ifa; /* XXX */ 3395 3396 ic_used = (cmd != SIOCSIFMTU && cmd != SIOCG80211STATS); 3397 if (ic_used && (error = ieee80211_com_vincref(vap)) != 0) 3398 return (error); 3399 3400 switch (cmd) { 3401 case SIOCSIFFLAGS: 3402 IEEE80211_LOCK(ic); 3403 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_PROMISC) { 3404 /* 3405 * Enable promiscuous mode when: 3406 * 1. Interface is not a member of bridge, or 3407 * 2. Requested by user, or 3408 * 3. In monitor (or adhoc-demo) mode. 3409 */ 3410 if (ifp->if_bridge == NULL || 3411 (ifp->if_flags & IFF_PPROMISC) != 0 || 3412 vap->iv_opmode == IEEE80211_M_MONITOR || 3413 (vap->iv_opmode == IEEE80211_M_AHDEMO && 3414 (vap->iv_caps & IEEE80211_C_TDMA) == 0)) { 3415 ieee80211_promisc(vap, 3416 ifp->if_flags & IFF_PROMISC); 3417 vap->iv_ifflags ^= IFF_PROMISC; 3418 } 3419 } 3420 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_ALLMULTI) { 3421 ieee80211_allmulti(vap, ifp->if_flags & IFF_ALLMULTI); 3422 vap->iv_ifflags ^= IFF_ALLMULTI; 3423 } 3424 if (ifp->if_flags & IFF_UP) { 3425 /* 3426 * Bring ourself up unless we're already operational. 3427 * If we're the first vap and the parent is not up 3428 * then it will automatically be brought up as a 3429 * side-effect of bringing ourself up. 3430 */ 3431 if (vap->iv_state == IEEE80211_S_INIT) { 3432 if (ic->ic_nrunning == 0) 3433 wait = 1; 3434 ieee80211_start_locked(vap); 3435 } 3436 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 3437 /* 3438 * Stop ourself. If we are the last vap to be 3439 * marked down the parent will also be taken down. 3440 */ 3441 if (ic->ic_nrunning == 1) 3442 wait = 1; 3443 ieee80211_stop_locked(vap); 3444 } 3445 IEEE80211_UNLOCK(ic); 3446 /* Wait for parent ioctl handler if it was queued */ 3447 if (wait) { 3448 ieee80211_waitfor_parent(ic); 3449 3450 /* 3451 * Check if the MAC address was changed 3452 * via SIOCSIFLLADDR ioctl. 3453 * 3454 * NB: device may be detached during initialization; 3455 * use if_ioctl for existence check. 3456 */ 3457 if_addr_rlock(ifp); 3458 if (ifp->if_ioctl == ieee80211_ioctl && 3459 (ifp->if_flags & IFF_UP) == 0 && 3460 !IEEE80211_ADDR_EQ(vap->iv_myaddr, IF_LLADDR(ifp))) 3461 IEEE80211_ADDR_COPY(vap->iv_myaddr, 3462 IF_LLADDR(ifp)); 3463 if_addr_runlock(ifp); 3464 } 3465 break; 3466 case SIOCADDMULTI: 3467 case SIOCDELMULTI: 3468 ieee80211_runtask(ic, &ic->ic_mcast_task); 3469 break; 3470 case SIOCSIFMEDIA: 3471 case SIOCGIFMEDIA: 3472 ifr = (struct ifreq *)data; 3473 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3474 break; 3475 case SIOCG80211: 3476 error = ieee80211_ioctl_get80211(vap, cmd, 3477 (struct ieee80211req *) data); 3478 break; 3479 case SIOCS80211: 3480 error = priv_check(curthread, PRIV_NET80211_MANAGE); 3481 if (error == 0) 3482 error = ieee80211_ioctl_set80211(vap, cmd, 3483 (struct ieee80211req *) data); 3484 break; 3485 case SIOCG80211STATS: 3486 ifr = (struct ifreq *)data; 3487 copyout(&vap->iv_stats, ifr_data_get_ptr(ifr), 3488 sizeof (vap->iv_stats)); 3489 break; 3490 case SIOCSIFMTU: 3491 ifr = (struct ifreq *)data; 3492 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3493 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3494 error = EINVAL; 3495 else 3496 ifp->if_mtu = ifr->ifr_mtu; 3497 break; 3498 case SIOCSIFADDR: 3499 /* 3500 * XXX Handle this directly so we can suppress if_init calls. 3501 * XXX This should be done in ether_ioctl but for the moment 3502 * XXX there are too many other parts of the system that 3503 * XXX set IFF_UP and so suppress if_init being called when 3504 * XXX it should be. 3505 */ 3506 ifa = (struct ifaddr *) data; 3507 switch (ifa->ifa_addr->sa_family) { 3508#ifdef INET 3509 case AF_INET: 3510 if ((ifp->if_flags & IFF_UP) == 0) { 3511 ifp->if_flags |= IFF_UP; 3512 ifp->if_init(ifp->if_softc); 3513 } 3514 arp_ifinit(ifp, ifa); 3515 break; 3516#endif 3517 default: 3518 if ((ifp->if_flags & IFF_UP) == 0) { 3519 ifp->if_flags |= IFF_UP; 3520 ifp->if_init(ifp->if_softc); 3521 } 3522 break; 3523 } 3524 break; 3525 default: 3526 /* 3527 * Pass unknown ioctls first to the driver, and if it 3528 * returns ENOTTY, then to the generic Ethernet handler. 3529 */ 3530 if (ic->ic_ioctl != NULL && 3531 (error = ic->ic_ioctl(ic, cmd, data)) != ENOTTY) 3532 break; 3533 error = ether_ioctl(ifp, cmd, data); 3534 break; 3535 } 3536 3537 if (ic_used) 3538 ieee80211_com_vdecref(vap); 3539 3540 return (error); 3541} 3542