ieee80211_ioctl.c revision 343973
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/10/sys/net80211/ieee80211_ioctl.c 343973 2019-02-10 20:26:12Z avos $"); 29 30/* 31 * IEEE 802.11 ioctl support (FreeBSD-specific) 32 */ 33 34#include "opt_inet.h" 35#include "opt_ipx.h" 36#include "opt_wlan.h" 37 38#include <sys/endian.h> 39#include <sys/param.h> 40#include <sys/kernel.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_dl.h> 48#include <net/if_media.h> 49#include <net/ethernet.h> 50 51#ifdef INET 52#include <netinet/in.h> 53#include <netinet/if_ether.h> 54#endif 55 56#ifdef IPX 57#include <netipx/ipx.h> 58#include <netipx/ipx_if.h> 59#endif 60 61#include <net80211/ieee80211_var.h> 62#include <net80211/ieee80211_ioctl.h> 63#include <net80211/ieee80211_regdomain.h> 64#include <net80211/ieee80211_input.h> 65 66#define IS_UP_AUTO(_vap) \ 67 (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \ 68 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO) 69 70static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 71static struct ieee80211_channel *findchannel(struct ieee80211com *, 72 int ieee, int mode); 73static int ieee80211_scanreq(struct ieee80211vap *, 74 struct ieee80211_scan_req *); 75 76static __noinline int 77ieee80211_ioctl_getkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 78{ 79 struct ieee80211com *ic = vap->iv_ic; 80 struct ieee80211_node *ni; 81 struct ieee80211req_key ik; 82 struct ieee80211_key *wk; 83 const struct ieee80211_cipher *cip; 84 u_int kid; 85 int error; 86 87 if (ireq->i_len != sizeof(ik)) 88 return EINVAL; 89 error = copyin(ireq->i_data, &ik, sizeof(ik)); 90 if (error) 91 return error; 92 kid = ik.ik_keyix; 93 if (kid == IEEE80211_KEYIX_NONE) { 94 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr); 95 if (ni == NULL) 96 return ENOENT; 97 wk = &ni->ni_ucastkey; 98 } else { 99 if (kid >= IEEE80211_WEP_NKID) 100 return EINVAL; 101 wk = &vap->iv_nw_keys[kid]; 102 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr); 103 ni = NULL; 104 } 105 cip = wk->wk_cipher; 106 ik.ik_type = cip->ic_cipher; 107 ik.ik_keylen = wk->wk_keylen; 108 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 109 if (wk->wk_keyix == vap->iv_def_txkey) 110 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 111 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 112 /* NB: only root can read key data */ 113 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID]; 114 ik.ik_keytsc = wk->wk_keytsc; 115 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 116 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 117 memcpy(ik.ik_keydata+wk->wk_keylen, 118 wk->wk_key + IEEE80211_KEYBUF_SIZE, 119 IEEE80211_MICBUF_SIZE); 120 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 121 } 122 } else { 123 ik.ik_keyrsc = 0; 124 ik.ik_keytsc = 0; 125 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 126 } 127 if (ni != NULL) 128 ieee80211_free_node(ni); 129 return copyout(&ik, ireq->i_data, sizeof(ik)); 130} 131 132static __noinline int 133ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 134{ 135 struct ieee80211com *ic = vap->iv_ic; 136 137 if (sizeof(ic->ic_chan_active) < ireq->i_len) 138 ireq->i_len = sizeof(ic->ic_chan_active); 139 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); 140} 141 142static __noinline int 143ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 144{ 145 struct ieee80211com *ic = vap->iv_ic; 146 uint32_t space; 147 148 space = __offsetof(struct ieee80211req_chaninfo, 149 ic_chans[ic->ic_nchans]); 150 if (space > ireq->i_len) 151 space = ireq->i_len; 152 /* XXX assumes compatible layout */ 153 return copyout(&ic->ic_nchans, ireq->i_data, space); 154} 155 156static __noinline int 157ieee80211_ioctl_getwpaie(struct ieee80211vap *vap, 158 struct ieee80211req *ireq, int req) 159{ 160 struct ieee80211_node *ni; 161 struct ieee80211req_wpaie2 wpaie; 162 int error; 163 164 if (ireq->i_len < IEEE80211_ADDR_LEN) 165 return EINVAL; 166 error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN); 167 if (error != 0) 168 return error; 169 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie.wpa_macaddr); 170 if (ni == NULL) 171 return ENOENT; 172 memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie)); 173 if (ni->ni_ies.wpa_ie != NULL) { 174 int ielen = ni->ni_ies.wpa_ie[1] + 2; 175 if (ielen > sizeof(wpaie.wpa_ie)) 176 ielen = sizeof(wpaie.wpa_ie); 177 memcpy(wpaie.wpa_ie, ni->ni_ies.wpa_ie, ielen); 178 } 179 if (req == IEEE80211_IOC_WPAIE2) { 180 memset(wpaie.rsn_ie, 0, sizeof(wpaie.rsn_ie)); 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 return copyout(&wpaie, ireq->i_data, ireq->i_len); 203} 204 205static __noinline int 206ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 207{ 208 struct ieee80211_node *ni; 209 uint8_t macaddr[IEEE80211_ADDR_LEN]; 210 const size_t off = __offsetof(struct ieee80211req_sta_stats, is_stats); 211 int error; 212 213 if (ireq->i_len < off) 214 return EINVAL; 215 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 216 if (error != 0) 217 return error; 218 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 219 if (ni == NULL) 220 return ENOENT; 221 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 222 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 223 /* NB: copy out only the statistics */ 224 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off, 225 ireq->i_len - off); 226 ieee80211_free_node(ni); 227 return error; 228} 229 230struct scanreq { 231 struct ieee80211req_scan_result *sr; 232 size_t space; 233}; 234 235static size_t 236scan_space(const struct ieee80211_scan_entry *se, int *ielen) 237{ 238 size_t len; 239 240 *ielen = se->se_ies.len; 241 /* 242 * NB: ie's can be no more than 255 bytes and the max 802.11 243 * packet is <3Kbytes so we are sure this doesn't overflow 244 * 16-bits; if this is a concern we can drop the ie's. 245 */ 246 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + 247 se->se_meshid[1] + *ielen; 248 return roundup(len, sizeof(uint32_t)); 249} 250 251static void 252get_scan_space(void *arg, const struct ieee80211_scan_entry *se) 253{ 254 struct scanreq *req = arg; 255 int ielen; 256 257 req->space += scan_space(se, &ielen); 258} 259 260static __noinline void 261get_scan_result(void *arg, const struct ieee80211_scan_entry *se) 262{ 263 struct scanreq *req = arg; 264 struct ieee80211req_scan_result *sr; 265 int ielen, len, nr, nxr; 266 uint8_t *cp; 267 268 len = scan_space(se, &ielen); 269 if (len > req->space) 270 return; 271 272 sr = req->sr; 273 KASSERT(len <= 65535 && ielen <= 65535, 274 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen)); 275 sr->isr_len = len; 276 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result); 277 sr->isr_ie_len = ielen; 278 sr->isr_freq = se->se_chan->ic_freq; 279 sr->isr_flags = se->se_chan->ic_flags; 280 sr->isr_rssi = se->se_rssi; 281 sr->isr_noise = se->se_noise; 282 sr->isr_intval = se->se_intval; 283 sr->isr_capinfo = se->se_capinfo; 284 sr->isr_erp = se->se_erp; 285 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid); 286 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE); 287 memcpy(sr->isr_rates, se->se_rates+2, nr); 288 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr); 289 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr); 290 sr->isr_nrates = nr + nxr; 291 292 /* copy SSID */ 293 sr->isr_ssid_len = se->se_ssid[1]; 294 cp = ((uint8_t *)sr) + sr->isr_ie_off; 295 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len); 296 297 /* copy mesh id */ 298 cp += sr->isr_ssid_len; 299 sr->isr_meshid_len = se->se_meshid[1]; 300 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len); 301 cp += sr->isr_meshid_len; 302 303 if (ielen) 304 memcpy(cp, se->se_ies.data, ielen); 305 306 req->space -= len; 307 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len); 308} 309 310static __noinline int 311ieee80211_ioctl_getscanresults(struct ieee80211vap *vap, 312 struct ieee80211req *ireq) 313{ 314 struct scanreq req; 315 int error; 316 317 if (ireq->i_len < sizeof(struct scanreq)) 318 return EFAULT; 319 320 error = 0; 321 req.space = 0; 322 ieee80211_scan_iterate(vap, get_scan_space, &req); 323 if (req.space > ireq->i_len) 324 req.space = ireq->i_len; 325 if (req.space > 0) { 326 uint32_t space; 327 void *p; 328 329 space = req.space; 330 /* XXX M_WAITOK after driver lock released */ 331 p = malloc(space, M_TEMP, M_NOWAIT | M_ZERO); 332 if (p == NULL) 333 return ENOMEM; 334 req.sr = p; 335 ieee80211_scan_iterate(vap, get_scan_result, &req); 336 ireq->i_len = space - req.space; 337 error = copyout(p, ireq->i_data, ireq->i_len); 338 free(p, M_TEMP); 339 } else 340 ireq->i_len = 0; 341 342 return error; 343} 344 345struct stainforeq { 346 struct ieee80211vap *vap; 347 struct ieee80211req_sta_info *si; 348 size_t space; 349}; 350 351static size_t 352sta_space(const struct ieee80211_node *ni, size_t *ielen) 353{ 354 *ielen = ni->ni_ies.len; 355 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, 356 sizeof(uint32_t)); 357} 358 359static void 360get_sta_space(void *arg, struct ieee80211_node *ni) 361{ 362 struct stainforeq *req = arg; 363 size_t ielen; 364 365 if (req->vap != ni->ni_vap) 366 return; 367 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP && 368 ni->ni_associd == 0) /* only associated stations */ 369 return; 370 req->space += sta_space(ni, &ielen); 371} 372 373static __noinline void 374get_sta_info(void *arg, struct ieee80211_node *ni) 375{ 376 struct stainforeq *req = arg; 377 struct ieee80211vap *vap = ni->ni_vap; 378 struct ieee80211req_sta_info *si; 379 size_t ielen, len; 380 uint8_t *cp; 381 382 if (req->vap != ni->ni_vap) 383 return; 384 if (vap->iv_opmode == IEEE80211_M_HOSTAP && 385 ni->ni_associd == 0) /* only associated stations */ 386 return; 387 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 388 return; 389 len = sta_space(ni, &ielen); 390 if (len > req->space) 391 return; 392 si = req->si; 393 si->isi_len = len; 394 si->isi_ie_off = sizeof(struct ieee80211req_sta_info); 395 si->isi_ie_len = ielen; 396 si->isi_freq = ni->ni_chan->ic_freq; 397 si->isi_flags = ni->ni_chan->ic_flags; 398 si->isi_state = ni->ni_flags; 399 si->isi_authmode = ni->ni_authmode; 400 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise); 401 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo); 402 si->isi_capinfo = ni->ni_capinfo; 403 si->isi_erp = ni->ni_erp; 404 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 405 si->isi_nrates = ni->ni_rates.rs_nrates; 406 if (si->isi_nrates > 15) 407 si->isi_nrates = 15; 408 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 409 si->isi_txrate = ni->ni_txrate; 410 if (si->isi_txrate & IEEE80211_RATE_MCS) { 411 const struct ieee80211_mcs_rates *mcs = 412 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS]; 413 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) { 414 if (ni->ni_flags & IEEE80211_NODE_SGI40) 415 si->isi_txmbps = mcs->ht40_rate_800ns; 416 else 417 si->isi_txmbps = mcs->ht40_rate_400ns; 418 } else { 419 if (ni->ni_flags & IEEE80211_NODE_SGI20) 420 si->isi_txmbps = mcs->ht20_rate_800ns; 421 else 422 si->isi_txmbps = mcs->ht20_rate_400ns; 423 } 424 } else 425 si->isi_txmbps = si->isi_txrate; 426 si->isi_associd = ni->ni_associd; 427 si->isi_txpower = ni->ni_txpower; 428 si->isi_vlan = ni->ni_vlan; 429 if (ni->ni_flags & IEEE80211_NODE_QOS) { 430 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 431 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 432 } else { 433 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID]; 434 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID]; 435 } 436 /* NB: leave all cases in case we relax ni_associd == 0 check */ 437 if (ieee80211_node_is_authorized(ni)) 438 si->isi_inact = vap->iv_inact_run; 439 else if (ni->ni_associd != 0 || 440 (vap->iv_opmode == IEEE80211_M_WDS && 441 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY))) 442 si->isi_inact = vap->iv_inact_auth; 443 else 444 si->isi_inact = vap->iv_inact_init; 445 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 446 si->isi_localid = ni->ni_mllid; 447 si->isi_peerid = ni->ni_mlpid; 448 si->isi_peerstate = ni->ni_mlstate; 449 450 if (ielen) { 451 cp = ((uint8_t *)si) + si->isi_ie_off; 452 memcpy(cp, ni->ni_ies.data, ielen); 453 } 454 455 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len); 456 req->space -= len; 457} 458 459static __noinline int 460getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq, 461 struct ieee80211_node *ni, size_t off) 462{ 463 struct ieee80211com *ic = vap->iv_ic; 464 struct stainforeq req; 465 size_t space; 466 void *p; 467 int error; 468 469 error = 0; 470 req.space = 0; 471 req.vap = vap; 472 if (ni == NULL) 473 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req); 474 else 475 get_sta_space(&req, ni); 476 if (req.space > ireq->i_len) 477 req.space = ireq->i_len; 478 if (req.space > 0) { 479 space = req.space; 480 /* XXX M_WAITOK after driver lock released */ 481 p = malloc(space, M_TEMP, M_NOWAIT | M_ZERO); 482 if (p == NULL) { 483 error = ENOMEM; 484 goto bad; 485 } 486 req.si = p; 487 if (ni == NULL) 488 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req); 489 else 490 get_sta_info(&req, ni); 491 ireq->i_len = space - req.space; 492 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len); 493 free(p, M_TEMP); 494 } else 495 ireq->i_len = 0; 496bad: 497 if (ni != NULL) 498 ieee80211_free_node(ni); 499 return error; 500} 501 502static __noinline int 503ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 504{ 505 uint8_t macaddr[IEEE80211_ADDR_LEN]; 506 const size_t off = __offsetof(struct ieee80211req_sta_req, info); 507 struct ieee80211_node *ni; 508 int error; 509 510 if (ireq->i_len < sizeof(struct ieee80211req_sta_req)) 511 return EFAULT; 512 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 513 if (error != 0) 514 return error; 515 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) { 516 ni = NULL; 517 } else { 518 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 519 if (ni == NULL) 520 return ENOENT; 521 } 522 return getstainfo_common(vap, ireq, ni, off); 523} 524 525static __noinline int 526ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 527{ 528 struct ieee80211_node *ni; 529 struct ieee80211req_sta_txpow txpow; 530 int error; 531 532 if (ireq->i_len != sizeof(txpow)) 533 return EINVAL; 534 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 535 if (error != 0) 536 return error; 537 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 538 if (ni == NULL) 539 return ENOENT; 540 txpow.it_txpow = ni->ni_txpower; 541 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 542 ieee80211_free_node(ni); 543 return error; 544} 545 546static __noinline int 547ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 548{ 549 struct ieee80211com *ic = vap->iv_ic; 550 struct ieee80211_wme_state *wme = &ic->ic_wme; 551 struct wmeParams *wmep; 552 int ac; 553 554 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 555 return EINVAL; 556 557 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 558 if (ac >= WME_NUM_AC) 559 ac = WME_AC_BE; 560 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 561 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 562 else 563 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 564 switch (ireq->i_type) { 565 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 566 ireq->i_val = wmep->wmep_logcwmin; 567 break; 568 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 569 ireq->i_val = wmep->wmep_logcwmax; 570 break; 571 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 572 ireq->i_val = wmep->wmep_aifsn; 573 break; 574 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 575 ireq->i_val = wmep->wmep_txopLimit; 576 break; 577 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 578 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 579 ireq->i_val = wmep->wmep_acm; 580 break; 581 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 582 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 583 ireq->i_val = !wmep->wmep_noackPolicy; 584 break; 585 } 586 return 0; 587} 588 589static __noinline int 590ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 591{ 592 const struct ieee80211_aclator *acl = vap->iv_acl; 593 594 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq)); 595} 596 597static __noinline int 598ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq) 599{ 600 struct ieee80211com *ic = vap->iv_ic; 601 struct ieee80211_channel *c; 602 603 if (ireq->i_len != sizeof(struct ieee80211_channel)) 604 return EINVAL; 605 /* 606 * vap's may have different operating channels when HT is 607 * in use. When in RUN state report the vap-specific channel. 608 * Otherwise return curchan. 609 */ 610 if (vap->iv_state == IEEE80211_S_RUN) 611 c = vap->iv_bss->ni_chan; 612 else 613 c = ic->ic_curchan; 614 return copyout(c, ireq->i_data, sizeof(*c)); 615} 616 617static int 618getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq) 619{ 620 if (aie == NULL) 621 return EINVAL; 622 /* NB: truncate, caller can check length */ 623 if (ireq->i_len > aie->ie_len) 624 ireq->i_len = aie->ie_len; 625 return copyout(aie->ie_data, ireq->i_data, ireq->i_len); 626} 627 628static int 629ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq) 630{ 631 uint8_t fc0; 632 633 fc0 = ireq->i_val & 0xff; 634 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 635 return EINVAL; 636 /* NB: could check iv_opmode and reject but hardly worth the effort */ 637 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 638 case IEEE80211_FC0_SUBTYPE_BEACON: 639 return getappie(vap->iv_appie_beacon, ireq); 640 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 641 return getappie(vap->iv_appie_proberesp, ireq); 642 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 643 return getappie(vap->iv_appie_assocresp, ireq); 644 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 645 return getappie(vap->iv_appie_probereq, ireq); 646 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 647 return getappie(vap->iv_appie_assocreq, ireq); 648 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP: 649 return getappie(vap->iv_appie_wpa, ireq); 650 } 651 return EINVAL; 652} 653 654static __noinline int 655ieee80211_ioctl_getregdomain(struct ieee80211vap *vap, 656 const struct ieee80211req *ireq) 657{ 658 struct ieee80211com *ic = vap->iv_ic; 659 660 if (ireq->i_len != sizeof(ic->ic_regdomain)) 661 return EINVAL; 662 return copyout(&ic->ic_regdomain, ireq->i_data, 663 sizeof(ic->ic_regdomain)); 664} 665 666static __noinline int 667ieee80211_ioctl_getroam(struct ieee80211vap *vap, 668 const struct ieee80211req *ireq) 669{ 670 size_t len = ireq->i_len; 671 /* NB: accept short requests for backwards compat */ 672 if (len > sizeof(vap->iv_roamparms)) 673 len = sizeof(vap->iv_roamparms); 674 return copyout(vap->iv_roamparms, ireq->i_data, len); 675} 676 677static __noinline int 678ieee80211_ioctl_gettxparams(struct ieee80211vap *vap, 679 const struct ieee80211req *ireq) 680{ 681 size_t len = ireq->i_len; 682 /* NB: accept short requests for backwards compat */ 683 if (len > sizeof(vap->iv_txparms)) 684 len = sizeof(vap->iv_txparms); 685 return copyout(vap->iv_txparms, ireq->i_data, len); 686} 687 688static __noinline int 689ieee80211_ioctl_getdevcaps(struct ieee80211com *ic, 690 const struct ieee80211req *ireq) 691{ 692 struct ieee80211_devcaps_req *dc; 693 struct ieee80211req_chaninfo *ci; 694 int maxchans, error; 695 696 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) / 697 sizeof(struct ieee80211_channel)); 698 /* NB: require 1 so we know ic_nchans is accessible */ 699 if (maxchans < 1) 700 return EINVAL; 701 /* constrain max request size, 2K channels is ~24Kbytes */ 702 if (maxchans > 2048) 703 maxchans = 2048; 704 dc = (struct ieee80211_devcaps_req *) 705 malloc(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, M_NOWAIT | M_ZERO); 706 if (dc == NULL) 707 return ENOMEM; 708 dc->dc_drivercaps = ic->ic_caps; 709 dc->dc_cryptocaps = ic->ic_cryptocaps; 710 dc->dc_htcaps = ic->ic_htcaps; 711 ci = &dc->dc_chaninfo; 712 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans); 713 KASSERT(ci->ic_nchans <= maxchans, 714 ("nchans %d maxchans %d", ci->ic_nchans, maxchans)); 715 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans); 716 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc)); 717 free(dc, M_TEMP); 718 return error; 719} 720 721static __noinline int 722ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 723{ 724 struct ieee80211_node *ni; 725 struct ieee80211req_sta_vlan vlan; 726 int error; 727 728 if (ireq->i_len != sizeof(vlan)) 729 return EINVAL; 730 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 731 if (error != 0) 732 return error; 733 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 734 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 735 vlan.sv_macaddr); 736 if (ni == NULL) 737 return ENOENT; 738 } else 739 ni = ieee80211_ref_node(vap->iv_bss); 740 vlan.sv_vlan = ni->ni_vlan; 741 error = copyout(&vlan, ireq->i_data, sizeof(vlan)); 742 ieee80211_free_node(ni); 743 return error; 744} 745 746/* 747 * Dummy ioctl get handler so the linker set is defined. 748 */ 749static int 750dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq) 751{ 752 return ENOSYS; 753} 754IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get); 755 756static int 757ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 758{ 759 ieee80211_ioctl_getfunc * const *get; 760 int error; 761 762 SET_FOREACH(get, ieee80211_ioctl_getset) { 763 error = (*get)(vap, ireq); 764 if (error != ENOSYS) 765 return error; 766 } 767 return EINVAL; 768} 769 770/* 771 * When building the kernel with -O2 on the i386 architecture, gcc 772 * seems to want to inline this function into ieee80211_ioctl() 773 * (which is the only routine that calls it). When this happens, 774 * ieee80211_ioctl() ends up consuming an additional 2K of stack 775 * space. (Exactly why it needs so much is unclear.) The problem 776 * is that it's possible for ieee80211_ioctl() to invoke other 777 * routines (including driver init functions) which could then find 778 * themselves perilously close to exhausting the stack. 779 * 780 * To avoid this, we deliberately prevent gcc from inlining this 781 * routine. Another way to avoid this is to use less agressive 782 * optimization when compiling this file (i.e. -O instead of -O2) 783 * but special-casing the compilation of this one module in the 784 * build system would be awkward. 785 */ 786static __noinline int 787ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd, 788 struct ieee80211req *ireq) 789{ 790#define MS(_v, _f) (((_v) & _f) >> _f##_S) 791 struct ieee80211com *ic = vap->iv_ic; 792 u_int kid, len; 793 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 794 char tmpssid[IEEE80211_NWID_LEN]; 795 int error = 0; 796 797 switch (ireq->i_type) { 798 case IEEE80211_IOC_SSID: 799 switch (vap->iv_state) { 800 case IEEE80211_S_INIT: 801 case IEEE80211_S_SCAN: 802 ireq->i_len = vap->iv_des_ssid[0].len; 803 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); 804 break; 805 default: 806 ireq->i_len = vap->iv_bss->ni_esslen; 807 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); 808 break; 809 } 810 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 811 break; 812 case IEEE80211_IOC_NUMSSIDS: 813 ireq->i_val = 1; 814 break; 815 case IEEE80211_IOC_WEP: 816 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 817 ireq->i_val = IEEE80211_WEP_OFF; 818 else if (vap->iv_flags & IEEE80211_F_DROPUNENC) 819 ireq->i_val = IEEE80211_WEP_ON; 820 else 821 ireq->i_val = IEEE80211_WEP_MIXED; 822 break; 823 case IEEE80211_IOC_WEPKEY: 824 kid = (u_int) ireq->i_val; 825 if (kid >= IEEE80211_WEP_NKID) 826 return EINVAL; 827 len = (u_int) vap->iv_nw_keys[kid].wk_keylen; 828 /* NB: only root can read WEP keys */ 829 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 830 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); 831 } else { 832 bzero(tmpkey, len); 833 } 834 ireq->i_len = len; 835 error = copyout(tmpkey, ireq->i_data, len); 836 break; 837 case IEEE80211_IOC_NUMWEPKEYS: 838 ireq->i_val = IEEE80211_WEP_NKID; 839 break; 840 case IEEE80211_IOC_WEPTXKEY: 841 ireq->i_val = vap->iv_def_txkey; 842 break; 843 case IEEE80211_IOC_AUTHMODE: 844 if (vap->iv_flags & IEEE80211_F_WPA) 845 ireq->i_val = IEEE80211_AUTH_WPA; 846 else 847 ireq->i_val = vap->iv_bss->ni_authmode; 848 break; 849 case IEEE80211_IOC_CHANNEL: 850 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 851 break; 852 case IEEE80211_IOC_POWERSAVE: 853 if (vap->iv_flags & IEEE80211_F_PMGTON) 854 ireq->i_val = IEEE80211_POWERSAVE_ON; 855 else 856 ireq->i_val = IEEE80211_POWERSAVE_OFF; 857 break; 858 case IEEE80211_IOC_POWERSAVESLEEP: 859 ireq->i_val = ic->ic_lintval; 860 break; 861 case IEEE80211_IOC_RTSTHRESHOLD: 862 ireq->i_val = vap->iv_rtsthreshold; 863 break; 864 case IEEE80211_IOC_PROTMODE: 865 ireq->i_val = ic->ic_protmode; 866 break; 867 case IEEE80211_IOC_TXPOWER: 868 /* 869 * Tx power limit is the min of max regulatory 870 * power, any user-set limit, and the max the 871 * radio can do. 872 */ 873 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; 874 if (ireq->i_val > ic->ic_txpowlimit) 875 ireq->i_val = ic->ic_txpowlimit; 876 if (ireq->i_val > ic->ic_curchan->ic_maxpower) 877 ireq->i_val = ic->ic_curchan->ic_maxpower; 878 break; 879 case IEEE80211_IOC_WPA: 880 switch (vap->iv_flags & IEEE80211_F_WPA) { 881 case IEEE80211_F_WPA1: 882 ireq->i_val = 1; 883 break; 884 case IEEE80211_F_WPA2: 885 ireq->i_val = 2; 886 break; 887 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 888 ireq->i_val = 3; 889 break; 890 default: 891 ireq->i_val = 0; 892 break; 893 } 894 break; 895 case IEEE80211_IOC_CHANLIST: 896 error = ieee80211_ioctl_getchanlist(vap, ireq); 897 break; 898 case IEEE80211_IOC_ROAMING: 899 ireq->i_val = vap->iv_roaming; 900 break; 901 case IEEE80211_IOC_PRIVACY: 902 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; 903 break; 904 case IEEE80211_IOC_DROPUNENCRYPTED: 905 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; 906 break; 907 case IEEE80211_IOC_COUNTERMEASURES: 908 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; 909 break; 910 case IEEE80211_IOC_WME: 911 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; 912 break; 913 case IEEE80211_IOC_HIDESSID: 914 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; 915 break; 916 case IEEE80211_IOC_APBRIDGE: 917 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; 918 break; 919 case IEEE80211_IOC_WPAKEY: 920 error = ieee80211_ioctl_getkey(vap, ireq); 921 break; 922 case IEEE80211_IOC_CHANINFO: 923 error = ieee80211_ioctl_getchaninfo(vap, ireq); 924 break; 925 case IEEE80211_IOC_BSSID: 926 if (ireq->i_len != IEEE80211_ADDR_LEN) 927 return EINVAL; 928 if (vap->iv_state == IEEE80211_S_RUN) { 929 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ? 930 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid, 931 ireq->i_data, ireq->i_len); 932 } else 933 error = copyout(vap->iv_des_bssid, ireq->i_data, 934 ireq->i_len); 935 break; 936 case IEEE80211_IOC_WPAIE: 937 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 938 break; 939 case IEEE80211_IOC_WPAIE2: 940 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 941 break; 942 case IEEE80211_IOC_SCAN_RESULTS: 943 error = ieee80211_ioctl_getscanresults(vap, ireq); 944 break; 945 case IEEE80211_IOC_STA_STATS: 946 error = ieee80211_ioctl_getstastats(vap, ireq); 947 break; 948 case IEEE80211_IOC_TXPOWMAX: 949 ireq->i_val = vap->iv_bss->ni_txpower; 950 break; 951 case IEEE80211_IOC_STA_TXPOW: 952 error = ieee80211_ioctl_getstatxpow(vap, ireq); 953 break; 954 case IEEE80211_IOC_STA_INFO: 955 error = ieee80211_ioctl_getstainfo(vap, ireq); 956 break; 957 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 958 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 959 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 960 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 961 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 962 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 963 error = ieee80211_ioctl_getwmeparam(vap, ireq); 964 break; 965 case IEEE80211_IOC_DTIM_PERIOD: 966 ireq->i_val = vap->iv_dtim_period; 967 break; 968 case IEEE80211_IOC_BEACON_INTERVAL: 969 /* NB: get from ic_bss for station mode */ 970 ireq->i_val = vap->iv_bss->ni_intval; 971 break; 972 case IEEE80211_IOC_PUREG: 973 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; 974 break; 975 case IEEE80211_IOC_QUIET: 976 ireq->i_val = vap->iv_quiet; 977 break; 978 case IEEE80211_IOC_QUIET_COUNT: 979 ireq->i_val = vap->iv_quiet_count; 980 break; 981 case IEEE80211_IOC_QUIET_PERIOD: 982 ireq->i_val = vap->iv_quiet_period; 983 break; 984 case IEEE80211_IOC_QUIET_DUR: 985 ireq->i_val = vap->iv_quiet_duration; 986 break; 987 case IEEE80211_IOC_QUIET_OFFSET: 988 ireq->i_val = vap->iv_quiet_offset; 989 break; 990 case IEEE80211_IOC_BGSCAN: 991 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 992 break; 993 case IEEE80211_IOC_BGSCAN_IDLE: 994 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 995 break; 996 case IEEE80211_IOC_BGSCAN_INTERVAL: 997 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 998 break; 999 case IEEE80211_IOC_SCANVALID: 1000 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 1001 break; 1002 case IEEE80211_IOC_FRAGTHRESHOLD: 1003 ireq->i_val = vap->iv_fragthreshold; 1004 break; 1005 case IEEE80211_IOC_MACCMD: 1006 error = ieee80211_ioctl_getmaccmd(vap, ireq); 1007 break; 1008 case IEEE80211_IOC_BURST: 1009 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 1010 break; 1011 case IEEE80211_IOC_BMISSTHRESHOLD: 1012 ireq->i_val = vap->iv_bmissthreshold; 1013 break; 1014 case IEEE80211_IOC_CURCHAN: 1015 error = ieee80211_ioctl_getcurchan(vap, ireq); 1016 break; 1017 case IEEE80211_IOC_SHORTGI: 1018 ireq->i_val = 0; 1019 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) 1020 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 1021 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) 1022 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 1023 break; 1024 case IEEE80211_IOC_AMPDU: 1025 ireq->i_val = 0; 1026 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) 1027 ireq->i_val |= 1; 1028 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) 1029 ireq->i_val |= 2; 1030 break; 1031 case IEEE80211_IOC_AMPDU_LIMIT: 1032 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1033 ireq->i_val = vap->iv_ampdu_rxmax; 1034 else if (vap->iv_state == IEEE80211_S_RUN) 1035 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1036 IEEE80211_HTCAP_MAXRXAMPDU); 1037 else 1038 ireq->i_val = vap->iv_ampdu_limit; 1039 break; 1040 case IEEE80211_IOC_AMPDU_DENSITY: 1041 if (vap->iv_opmode == IEEE80211_M_STA && 1042 vap->iv_state == IEEE80211_S_RUN) 1043 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1044 IEEE80211_HTCAP_MPDUDENSITY); 1045 else 1046 ireq->i_val = vap->iv_ampdu_density; 1047 break; 1048 case IEEE80211_IOC_AMSDU: 1049 ireq->i_val = 0; 1050 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) 1051 ireq->i_val |= 1; 1052 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) 1053 ireq->i_val |= 2; 1054 break; 1055 case IEEE80211_IOC_AMSDU_LIMIT: 1056 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1057 break; 1058 case IEEE80211_IOC_PUREN: 1059 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; 1060 break; 1061 case IEEE80211_IOC_DOTH: 1062 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1063 break; 1064 case IEEE80211_IOC_REGDOMAIN: 1065 error = ieee80211_ioctl_getregdomain(vap, ireq); 1066 break; 1067 case IEEE80211_IOC_ROAM: 1068 error = ieee80211_ioctl_getroam(vap, ireq); 1069 break; 1070 case IEEE80211_IOC_TXPARAMS: 1071 error = ieee80211_ioctl_gettxparams(vap, ireq); 1072 break; 1073 case IEEE80211_IOC_HTCOMPAT: 1074 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; 1075 break; 1076 case IEEE80211_IOC_DWDS: 1077 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1078 break; 1079 case IEEE80211_IOC_INACTIVITY: 1080 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1081 break; 1082 case IEEE80211_IOC_APPIE: 1083 error = ieee80211_ioctl_getappie(vap, ireq); 1084 break; 1085 case IEEE80211_IOC_WPS: 1086 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1087 break; 1088 case IEEE80211_IOC_TSN: 1089 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1090 break; 1091 case IEEE80211_IOC_DFS: 1092 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1093 break; 1094 case IEEE80211_IOC_DOTD: 1095 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1096 break; 1097 case IEEE80211_IOC_DEVCAPS: 1098 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1099 break; 1100 case IEEE80211_IOC_HTPROTMODE: 1101 ireq->i_val = ic->ic_htprotmode; 1102 break; 1103 case IEEE80211_IOC_HTCONF: 1104 if (vap->iv_flags_ht & IEEE80211_FHT_HT) { 1105 ireq->i_val = 1; 1106 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) 1107 ireq->i_val |= 2; 1108 } else 1109 ireq->i_val = 0; 1110 break; 1111 case IEEE80211_IOC_STA_VLAN: 1112 error = ieee80211_ioctl_getstavlan(vap, ireq); 1113 break; 1114 case IEEE80211_IOC_SMPS: 1115 if (vap->iv_opmode == IEEE80211_M_STA && 1116 vap->iv_state == IEEE80211_S_RUN) { 1117 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1118 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1119 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1120 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1121 else 1122 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1123 } else 1124 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1125 break; 1126 case IEEE80211_IOC_RIFS: 1127 if (vap->iv_opmode == IEEE80211_M_STA && 1128 vap->iv_state == IEEE80211_S_RUN) 1129 ireq->i_val = 1130 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1131 else 1132 ireq->i_val = 1133 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; 1134 break; 1135 default: 1136 error = ieee80211_ioctl_getdefault(vap, ireq); 1137 break; 1138 } 1139 return error; 1140#undef MS 1141} 1142 1143static __noinline int 1144ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1145{ 1146 struct ieee80211req_key ik; 1147 struct ieee80211_node *ni; 1148 struct ieee80211_key *wk; 1149 uint16_t kid; 1150 int error, i; 1151 1152 if (ireq->i_len != sizeof(ik)) 1153 return EINVAL; 1154 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1155 if (error) 1156 return error; 1157 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1158 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1159 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1160 return E2BIG; 1161 kid = ik.ik_keyix; 1162 if (kid == IEEE80211_KEYIX_NONE) { 1163 /* XXX unicast keys currently must be tx/rx */ 1164 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1165 return EINVAL; 1166 if (vap->iv_opmode == IEEE80211_M_STA) { 1167 ni = ieee80211_ref_node(vap->iv_bss); 1168 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1169 ieee80211_free_node(ni); 1170 return EADDRNOTAVAIL; 1171 } 1172 } else { 1173 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1174 ik.ik_macaddr); 1175 if (ni == NULL) 1176 return ENOENT; 1177 } 1178 wk = &ni->ni_ucastkey; 1179 } else { 1180 if (kid >= IEEE80211_WEP_NKID) 1181 return EINVAL; 1182 wk = &vap->iv_nw_keys[kid]; 1183 /* 1184 * Global slots start off w/o any assigned key index. 1185 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1186 */ 1187 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1188 wk->wk_keyix = kid; 1189 ni = NULL; 1190 } 1191 error = 0; 1192 ieee80211_key_update_begin(vap); 1193 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1194 wk->wk_keylen = ik.ik_keylen; 1195 /* NB: MIC presence is implied by cipher type */ 1196 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1197 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1198 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1199 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1200 wk->wk_keytsc = 0; /* new key, reset */ 1201 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1202 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1203 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1204 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1205 if (!ieee80211_crypto_setkey(vap, wk)) 1206 error = EIO; 1207 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1208 vap->iv_def_txkey = kid; 1209 } else 1210 error = ENXIO; 1211 ieee80211_key_update_end(vap); 1212 if (ni != NULL) 1213 ieee80211_free_node(ni); 1214 return error; 1215} 1216 1217static __noinline int 1218ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1219{ 1220 struct ieee80211req_del_key dk; 1221 int kid, error; 1222 1223 if (ireq->i_len != sizeof(dk)) 1224 return EINVAL; 1225 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1226 if (error) 1227 return error; 1228 kid = dk.idk_keyix; 1229 /* XXX uint8_t -> uint16_t */ 1230 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1231 struct ieee80211_node *ni; 1232 1233 if (vap->iv_opmode == IEEE80211_M_STA) { 1234 ni = ieee80211_ref_node(vap->iv_bss); 1235 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1236 ieee80211_free_node(ni); 1237 return EADDRNOTAVAIL; 1238 } 1239 } else { 1240 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1241 dk.idk_macaddr); 1242 if (ni == NULL) 1243 return ENOENT; 1244 } 1245 /* XXX error return */ 1246 ieee80211_node_delucastkey(ni); 1247 ieee80211_free_node(ni); 1248 } else { 1249 if (kid >= IEEE80211_WEP_NKID) 1250 return EINVAL; 1251 /* XXX error return */ 1252 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1253 } 1254 return 0; 1255} 1256 1257struct mlmeop { 1258 struct ieee80211vap *vap; 1259 int op; 1260 int reason; 1261}; 1262 1263static void 1264mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1265 int op, int reason) 1266{ 1267#ifdef IEEE80211_DEBUG 1268 static const struct { 1269 int mask; 1270 const char *opstr; 1271 } ops[] = { 1272 { 0, "op#0" }, 1273 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1274 IEEE80211_MSG_ASSOC, "assoc" }, 1275 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1276 IEEE80211_MSG_ASSOC, "disassoc" }, 1277 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1278 IEEE80211_MSG_AUTH, "deauth" }, 1279 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1280 IEEE80211_MSG_AUTH, "authorize" }, 1281 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1282 IEEE80211_MSG_AUTH, "unauthorize" }, 1283 }; 1284 1285 if (op == IEEE80211_MLME_AUTH) { 1286 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1287 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1288 "station authenticate %s via MLME (reason %d)", 1289 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1290 reason); 1291 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1292 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1293 "unknown MLME request %d (reason %d)", op, reason); 1294 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1295 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1296 "station %s via MLME", ops[op].opstr); 1297 } else { 1298 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1299 "station %s via MLME (reason %d)", ops[op].opstr, reason); 1300 } 1301#endif /* IEEE80211_DEBUG */ 1302} 1303 1304static void 1305domlme(void *arg, struct ieee80211_node *ni) 1306{ 1307 struct mlmeop *mop = arg; 1308 struct ieee80211vap *vap = ni->ni_vap; 1309 1310 if (vap != mop->vap) 1311 return; 1312 /* 1313 * NB: if ni_associd is zero then the node is already cleaned 1314 * up and we don't need to do this (we're safely holding a 1315 * reference but should otherwise not modify it's state). 1316 */ 1317 if (ni->ni_associd == 0) 1318 return; 1319 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1320 if (mop->op == IEEE80211_MLME_DEAUTH) { 1321 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1322 mop->reason); 1323 } else { 1324 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1325 mop->reason); 1326 } 1327 ieee80211_node_leave(ni); 1328} 1329 1330static int 1331setmlme_dropsta(struct ieee80211vap *vap, 1332 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1333{ 1334 struct ieee80211com *ic = vap->iv_ic; 1335 struct ieee80211_node_table *nt = &ic->ic_sta; 1336 struct ieee80211_node *ni; 1337 int error = 0; 1338 1339 /* NB: the broadcast address means do 'em all */ 1340 if (!IEEE80211_ADDR_EQ(mac, ic->ic_ifp->if_broadcastaddr)) { 1341 IEEE80211_NODE_LOCK(nt); 1342 ni = ieee80211_find_node_locked(nt, mac); 1343 IEEE80211_NODE_UNLOCK(nt); 1344 /* 1345 * Don't do the node update inside the node 1346 * table lock. This unfortunately causes LORs 1347 * with drivers and their TX paths. 1348 */ 1349 if (ni != NULL) { 1350 domlme(mlmeop, ni); 1351 ieee80211_free_node(ni); 1352 } else 1353 error = ENOENT; 1354 } else { 1355 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1356 } 1357 return error; 1358} 1359 1360static __noinline int 1361setmlme_common(struct ieee80211vap *vap, int op, 1362 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1363{ 1364 struct ieee80211com *ic = vap->iv_ic; 1365 struct ieee80211_node_table *nt = &ic->ic_sta; 1366 struct ieee80211_node *ni; 1367 struct mlmeop mlmeop; 1368 int error; 1369 1370 error = 0; 1371 switch (op) { 1372 case IEEE80211_MLME_DISASSOC: 1373 case IEEE80211_MLME_DEAUTH: 1374 switch (vap->iv_opmode) { 1375 case IEEE80211_M_STA: 1376 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1377 /* XXX not quite right */ 1378 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1379 break; 1380 case IEEE80211_M_HOSTAP: 1381 mlmeop.vap = vap; 1382 mlmeop.op = op; 1383 mlmeop.reason = reason; 1384 error = setmlme_dropsta(vap, mac, &mlmeop); 1385 break; 1386 case IEEE80211_M_WDS: 1387 /* XXX user app should send raw frame? */ 1388 if (op != IEEE80211_MLME_DEAUTH) { 1389 error = EINVAL; 1390 break; 1391 } 1392#if 0 1393 /* XXX accept any address, simplifies user code */ 1394 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1395 error = EINVAL; 1396 break; 1397 } 1398#endif 1399 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1400 ni = ieee80211_ref_node(vap->iv_bss); 1401 IEEE80211_SEND_MGMT(ni, 1402 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1403 ieee80211_free_node(ni); 1404 break; 1405 case IEEE80211_M_MBSS: 1406 IEEE80211_NODE_LOCK(nt); 1407 ni = ieee80211_find_node_locked(nt, mac); 1408 /* 1409 * Don't do the node update inside the node 1410 * table lock. This unfortunately causes LORs 1411 * with drivers and their TX paths. 1412 */ 1413 IEEE80211_NODE_UNLOCK(nt); 1414 if (ni != NULL) { 1415 ieee80211_node_leave(ni); 1416 ieee80211_free_node(ni); 1417 } else { 1418 error = ENOENT; 1419 } 1420 break; 1421 default: 1422 error = EINVAL; 1423 break; 1424 } 1425 break; 1426 case IEEE80211_MLME_AUTHORIZE: 1427 case IEEE80211_MLME_UNAUTHORIZE: 1428 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1429 vap->iv_opmode != IEEE80211_M_WDS) { 1430 error = EINVAL; 1431 break; 1432 } 1433 IEEE80211_NODE_LOCK(nt); 1434 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1435 /* 1436 * Don't do the node update inside the node 1437 * table lock. This unfortunately causes LORs 1438 * with drivers and their TX paths. 1439 */ 1440 IEEE80211_NODE_UNLOCK(nt); 1441 if (ni != NULL) { 1442 mlmedebug(vap, mac, op, reason); 1443 if (op == IEEE80211_MLME_AUTHORIZE) 1444 ieee80211_node_authorize(ni); 1445 else 1446 ieee80211_node_unauthorize(ni); 1447 ieee80211_free_node(ni); 1448 } else 1449 error = ENOENT; 1450 break; 1451 case IEEE80211_MLME_AUTH: 1452 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1453 error = EINVAL; 1454 break; 1455 } 1456 IEEE80211_NODE_LOCK(nt); 1457 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1458 /* 1459 * Don't do the node update inside the node 1460 * table lock. This unfortunately causes LORs 1461 * with drivers and their TX paths. 1462 */ 1463 IEEE80211_NODE_UNLOCK(nt); 1464 if (ni != NULL) { 1465 mlmedebug(vap, mac, op, reason); 1466 if (reason == IEEE80211_STATUS_SUCCESS) { 1467 IEEE80211_SEND_MGMT(ni, 1468 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1469 /* 1470 * For shared key auth, just continue the 1471 * exchange. Otherwise when 802.1x is not in 1472 * use mark the port authorized at this point 1473 * so traffic can flow. 1474 */ 1475 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1476 ni->ni_challenge == NULL) 1477 ieee80211_node_authorize(ni); 1478 } else { 1479 vap->iv_stats.is_rx_acl++; 1480 ieee80211_send_error(ni, ni->ni_macaddr, 1481 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1482 ieee80211_node_leave(ni); 1483 } 1484 ieee80211_free_node(ni); 1485 } else 1486 error = ENOENT; 1487 break; 1488 default: 1489 error = EINVAL; 1490 break; 1491 } 1492 return error; 1493} 1494 1495struct scanlookup { 1496 const uint8_t *mac; 1497 int esslen; 1498 const uint8_t *essid; 1499 const struct ieee80211_scan_entry *se; 1500}; 1501 1502/* 1503 * Match mac address and any ssid. 1504 */ 1505static void 1506mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1507{ 1508 struct scanlookup *look = arg; 1509 1510 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1511 return; 1512 if (look->esslen != 0) { 1513 if (se->se_ssid[1] != look->esslen) 1514 return; 1515 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1516 return; 1517 } 1518 look->se = se; 1519} 1520 1521static __noinline int 1522setmlme_assoc_sta(struct ieee80211vap *vap, 1523 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1524 const uint8_t ssid[IEEE80211_NWID_LEN]) 1525{ 1526 struct scanlookup lookup; 1527 1528 KASSERT(vap->iv_opmode == IEEE80211_M_STA, 1529 ("expected opmode STA not %s", 1530 ieee80211_opmode_name[vap->iv_opmode])); 1531 1532 /* NB: this is racey if roaming is !manual */ 1533 lookup.se = NULL; 1534 lookup.mac = mac; 1535 lookup.esslen = ssid_len; 1536 lookup.essid = ssid; 1537 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1538 if (lookup.se == NULL) 1539 return ENOENT; 1540 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1541 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1542 return EIO; /* XXX unique but could be better */ 1543 return 0; 1544} 1545 1546static __noinline int 1547setmlme_assoc_adhoc(struct ieee80211vap *vap, 1548 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1549 const uint8_t ssid[IEEE80211_NWID_LEN]) 1550{ 1551 struct ieee80211_scan_req sr; 1552 1553 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS || 1554 vap->iv_opmode == IEEE80211_M_AHDEMO, 1555 ("expected opmode IBSS or AHDEMO not %s", 1556 ieee80211_opmode_name[vap->iv_opmode])); 1557 1558 if (ssid_len == 0) 1559 return EINVAL; 1560 1561 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */ 1562 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 1563 vap->iv_des_ssid[0].len = ssid_len; 1564 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len); 1565 vap->iv_des_nssid = 1; 1566 1567 memset(&sr, 0, sizeof(sr)); 1568 sr.sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE; 1569 sr.sr_duration = IEEE80211_IOC_SCAN_FOREVER; 1570 memcpy(sr.sr_ssid[0].ssid, ssid, ssid_len); 1571 sr.sr_ssid[0].len = ssid_len; 1572 sr.sr_nssid = 1; 1573 1574 return ieee80211_scanreq(vap, &sr); 1575} 1576 1577static __noinline int 1578ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1579{ 1580 struct ieee80211req_mlme mlme; 1581 int error; 1582 1583 if (ireq->i_len != sizeof(mlme)) 1584 return EINVAL; 1585 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1586 if (error) 1587 return error; 1588 if (vap->iv_opmode == IEEE80211_M_STA && 1589 mlme.im_op == IEEE80211_MLME_ASSOC) 1590 return setmlme_assoc_sta(vap, mlme.im_macaddr, 1591 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1592 else if ((vap->iv_opmode == IEEE80211_M_IBSS || 1593 vap->iv_opmode == IEEE80211_M_AHDEMO) && 1594 mlme.im_op == IEEE80211_MLME_ASSOC) 1595 return setmlme_assoc_adhoc(vap, mlme.im_macaddr, 1596 mlme.im_ssid_len, mlme.im_ssid); 1597 else 1598 return setmlme_common(vap, mlme.im_op, 1599 mlme.im_macaddr, mlme.im_reason); 1600} 1601 1602static __noinline int 1603ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1604{ 1605 uint8_t mac[IEEE80211_ADDR_LEN]; 1606 const struct ieee80211_aclator *acl = vap->iv_acl; 1607 int error; 1608 1609 if (ireq->i_len != sizeof(mac)) 1610 return EINVAL; 1611 error = copyin(ireq->i_data, mac, ireq->i_len); 1612 if (error) 1613 return error; 1614 if (acl == NULL) { 1615 acl = ieee80211_aclator_get("mac"); 1616 if (acl == NULL || !acl->iac_attach(vap)) 1617 return EINVAL; 1618 vap->iv_acl = acl; 1619 } 1620 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1621 acl->iac_add(vap, mac); 1622 else 1623 acl->iac_remove(vap, mac); 1624 return 0; 1625} 1626 1627static __noinline int 1628ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1629{ 1630 const struct ieee80211_aclator *acl = vap->iv_acl; 1631 1632 switch (ireq->i_val) { 1633 case IEEE80211_MACCMD_POLICY_OPEN: 1634 case IEEE80211_MACCMD_POLICY_ALLOW: 1635 case IEEE80211_MACCMD_POLICY_DENY: 1636 case IEEE80211_MACCMD_POLICY_RADIUS: 1637 if (acl == NULL) { 1638 acl = ieee80211_aclator_get("mac"); 1639 if (acl == NULL || !acl->iac_attach(vap)) 1640 return EINVAL; 1641 vap->iv_acl = acl; 1642 } 1643 acl->iac_setpolicy(vap, ireq->i_val); 1644 break; 1645 case IEEE80211_MACCMD_FLUSH: 1646 if (acl != NULL) 1647 acl->iac_flush(vap); 1648 /* NB: silently ignore when not in use */ 1649 break; 1650 case IEEE80211_MACCMD_DETACH: 1651 if (acl != NULL) { 1652 vap->iv_acl = NULL; 1653 acl->iac_detach(vap); 1654 } 1655 break; 1656 default: 1657 if (acl == NULL) 1658 return EINVAL; 1659 else 1660 return acl->iac_setioctl(vap, ireq); 1661 } 1662 return 0; 1663} 1664 1665static __noinline int 1666ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1667{ 1668 struct ieee80211com *ic = vap->iv_ic; 1669 uint8_t *chanlist, *list; 1670 int i, nchan, maxchan, error; 1671 1672 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1673 ireq->i_len = sizeof(ic->ic_chan_active); 1674 list = malloc(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1675 M_NOWAIT | M_ZERO); 1676 if (list == NULL) 1677 return ENOMEM; 1678 error = copyin(ireq->i_data, list, ireq->i_len); 1679 if (error) { 1680 free(list, M_TEMP); 1681 return error; 1682 } 1683 nchan = 0; 1684 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1685 maxchan = ireq->i_len * NBBY; 1686 for (i = 0; i < ic->ic_nchans; i++) { 1687 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1688 /* 1689 * Calculate the intersection of the user list and the 1690 * available channels so users can do things like specify 1691 * 1-255 to get all available channels. 1692 */ 1693 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1694 setbit(chanlist, c->ic_ieee); 1695 nchan++; 1696 } 1697 } 1698 if (nchan == 0) { 1699 free(list, M_TEMP); 1700 return EINVAL; 1701 } 1702 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1703 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1704 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1705 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1706 ieee80211_scan_flush(vap); 1707 free(list, M_TEMP); 1708 return ENETRESET; 1709} 1710 1711static __noinline int 1712ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1713{ 1714 struct ieee80211_node *ni; 1715 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1716 int error; 1717 1718 /* 1719 * NB: we could copyin ieee80211req_sta_stats so apps 1720 * could make selective changes but that's overkill; 1721 * just clear all stats for now. 1722 */ 1723 if (ireq->i_len < IEEE80211_ADDR_LEN) 1724 return EINVAL; 1725 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1726 if (error != 0) 1727 return error; 1728 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1729 if (ni == NULL) 1730 return ENOENT; 1731 /* XXX require ni_vap == vap? */ 1732 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1733 ieee80211_free_node(ni); 1734 return 0; 1735} 1736 1737static __noinline int 1738ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1739{ 1740 struct ieee80211_node *ni; 1741 struct ieee80211req_sta_txpow txpow; 1742 int error; 1743 1744 if (ireq->i_len != sizeof(txpow)) 1745 return EINVAL; 1746 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1747 if (error != 0) 1748 return error; 1749 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1750 if (ni == NULL) 1751 return ENOENT; 1752 ni->ni_txpower = txpow.it_txpow; 1753 ieee80211_free_node(ni); 1754 return error; 1755} 1756 1757static __noinline int 1758ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1759{ 1760 struct ieee80211com *ic = vap->iv_ic; 1761 struct ieee80211_wme_state *wme = &ic->ic_wme; 1762 struct wmeParams *wmep, *chanp; 1763 int isbss, ac; 1764 1765 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1766 return EOPNOTSUPP; 1767 1768 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1769 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1770 if (ac >= WME_NUM_AC) 1771 ac = WME_AC_BE; 1772 if (isbss) { 1773 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1774 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1775 } else { 1776 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1777 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1778 } 1779 switch (ireq->i_type) { 1780 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1781 if (isbss) { 1782 wmep->wmep_logcwmin = ireq->i_val; 1783 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1784 chanp->wmep_logcwmin = ireq->i_val; 1785 } else { 1786 wmep->wmep_logcwmin = chanp->wmep_logcwmin = 1787 ireq->i_val; 1788 } 1789 break; 1790 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1791 if (isbss) { 1792 wmep->wmep_logcwmax = ireq->i_val; 1793 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1794 chanp->wmep_logcwmax = ireq->i_val; 1795 } else { 1796 wmep->wmep_logcwmax = chanp->wmep_logcwmax = 1797 ireq->i_val; 1798 } 1799 break; 1800 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1801 if (isbss) { 1802 wmep->wmep_aifsn = ireq->i_val; 1803 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1804 chanp->wmep_aifsn = ireq->i_val; 1805 } else { 1806 wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val; 1807 } 1808 break; 1809 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1810 if (isbss) { 1811 wmep->wmep_txopLimit = ireq->i_val; 1812 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1813 chanp->wmep_txopLimit = ireq->i_val; 1814 } else { 1815 wmep->wmep_txopLimit = chanp->wmep_txopLimit = 1816 ireq->i_val; 1817 } 1818 break; 1819 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1820 wmep->wmep_acm = ireq->i_val; 1821 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1822 chanp->wmep_acm = ireq->i_val; 1823 break; 1824 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1825 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1826 (ireq->i_val) == 0; 1827 break; 1828 } 1829 ieee80211_wme_updateparams(vap); 1830 return 0; 1831} 1832 1833static int 1834find11gchannel(struct ieee80211com *ic, int start, int freq) 1835{ 1836 const struct ieee80211_channel *c; 1837 int i; 1838 1839 for (i = start+1; i < ic->ic_nchans; i++) { 1840 c = &ic->ic_channels[i]; 1841 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1842 return 1; 1843 } 1844 /* NB: should not be needed but in case things are mis-sorted */ 1845 for (i = 0; i < start; i++) { 1846 c = &ic->ic_channels[i]; 1847 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1848 return 1; 1849 } 1850 return 0; 1851} 1852 1853static struct ieee80211_channel * 1854findchannel(struct ieee80211com *ic, int ieee, int mode) 1855{ 1856 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1857 [IEEE80211_MODE_AUTO] = 0, 1858 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1859 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1860 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1861 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1862 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1863 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1864 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1865 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1866 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1867 /* NB: handled specially below */ 1868 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1869 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1870 }; 1871 u_int modeflags; 1872 int i; 1873 1874 modeflags = chanflags[mode]; 1875 for (i = 0; i < ic->ic_nchans; i++) { 1876 struct ieee80211_channel *c = &ic->ic_channels[i]; 1877 1878 if (c->ic_ieee != ieee) 1879 continue; 1880 if (mode == IEEE80211_MODE_AUTO) { 1881 /* ignore turbo channels for autoselect */ 1882 if (IEEE80211_IS_CHAN_TURBO(c)) 1883 continue; 1884 /* 1885 * XXX special-case 11b/g channels so we 1886 * always select the g channel if both 1887 * are present. 1888 * XXX prefer HT to non-HT? 1889 */ 1890 if (!IEEE80211_IS_CHAN_B(c) || 1891 !find11gchannel(ic, i, c->ic_freq)) 1892 return c; 1893 } else { 1894 /* must check HT specially */ 1895 if ((mode == IEEE80211_MODE_11NA || 1896 mode == IEEE80211_MODE_11NG) && 1897 !IEEE80211_IS_CHAN_HT(c)) 1898 continue; 1899 if ((c->ic_flags & modeflags) == modeflags) 1900 return c; 1901 } 1902 } 1903 return NULL; 1904} 1905 1906/* 1907 * Check the specified against any desired mode (aka netband). 1908 * This is only used (presently) when operating in hostap mode 1909 * to enforce consistency. 1910 */ 1911static int 1912check_mode_consistency(const struct ieee80211_channel *c, int mode) 1913{ 1914 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1915 1916 switch (mode) { 1917 case IEEE80211_MODE_11B: 1918 return (IEEE80211_IS_CHAN_B(c)); 1919 case IEEE80211_MODE_11G: 1920 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1921 case IEEE80211_MODE_11A: 1922 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1923 case IEEE80211_MODE_STURBO_A: 1924 return (IEEE80211_IS_CHAN_STURBO(c)); 1925 case IEEE80211_MODE_11NA: 1926 return (IEEE80211_IS_CHAN_HTA(c)); 1927 case IEEE80211_MODE_11NG: 1928 return (IEEE80211_IS_CHAN_HTG(c)); 1929 } 1930 return 1; 1931 1932} 1933 1934/* 1935 * Common code to set the current channel. If the device 1936 * is up and running this may result in an immediate channel 1937 * change or a kick of the state machine. 1938 */ 1939static int 1940setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 1941{ 1942 struct ieee80211com *ic = vap->iv_ic; 1943 int error; 1944 1945 if (c != IEEE80211_CHAN_ANYC) { 1946 if (IEEE80211_IS_CHAN_RADAR(c)) 1947 return EBUSY; /* XXX better code? */ 1948 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 1949 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 1950 return EINVAL; 1951 if (!check_mode_consistency(c, vap->iv_des_mode)) 1952 return EINVAL; 1953 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 1954 if (IEEE80211_IS_CHAN_NOADHOC(c)) 1955 return EINVAL; 1956 } 1957 if (vap->iv_state == IEEE80211_S_RUN && 1958 vap->iv_bss->ni_chan == c) 1959 return 0; /* NB: nothing to do */ 1960 } 1961 vap->iv_des_chan = c; 1962 1963 error = 0; 1964 if (vap->iv_opmode == IEEE80211_M_MONITOR && 1965 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1966 /* 1967 * Monitor mode can switch directly. 1968 */ 1969 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 1970 /* XXX need state machine for other vap's to follow */ 1971 ieee80211_setcurchan(ic, vap->iv_des_chan); 1972 vap->iv_bss->ni_chan = ic->ic_curchan; 1973 } else { 1974 ic->ic_curchan = vap->iv_des_chan; 1975 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1976 } 1977 } else { 1978 /* 1979 * Need to go through the state machine in case we 1980 * need to reassociate or the like. The state machine 1981 * will pickup the desired channel and avoid scanning. 1982 */ 1983 if (IS_UP_AUTO(vap)) 1984 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 1985 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1986 /* 1987 * When not up+running and a real channel has 1988 * been specified fix the current channel so 1989 * there is immediate feedback; e.g. via ifconfig. 1990 */ 1991 ic->ic_curchan = vap->iv_des_chan; 1992 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1993 } 1994 } 1995 return error; 1996} 1997 1998/* 1999 * Old api for setting the current channel; this is 2000 * deprecated because channel numbers are ambiguous. 2001 */ 2002static __noinline int 2003ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 2004 const struct ieee80211req *ireq) 2005{ 2006 struct ieee80211com *ic = vap->iv_ic; 2007 struct ieee80211_channel *c; 2008 2009 /* XXX 0xffff overflows 16-bit signed */ 2010 if (ireq->i_val == 0 || 2011 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 2012 c = IEEE80211_CHAN_ANYC; 2013 } else { 2014 struct ieee80211_channel *c2; 2015 2016 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 2017 if (c == NULL) { 2018 c = findchannel(ic, ireq->i_val, 2019 IEEE80211_MODE_AUTO); 2020 if (c == NULL) 2021 return EINVAL; 2022 } 2023 /* 2024 * Fine tune channel selection based on desired mode: 2025 * if 11b is requested, find the 11b version of any 2026 * 11g channel returned, 2027 * if static turbo, find the turbo version of any 2028 * 11a channel return, 2029 * if 11na is requested, find the ht version of any 2030 * 11a channel returned, 2031 * if 11ng is requested, find the ht version of any 2032 * 11g channel returned, 2033 * otherwise we should be ok with what we've got. 2034 */ 2035 switch (vap->iv_des_mode) { 2036 case IEEE80211_MODE_11B: 2037 if (IEEE80211_IS_CHAN_ANYG(c)) { 2038 c2 = findchannel(ic, ireq->i_val, 2039 IEEE80211_MODE_11B); 2040 /* NB: should not happen, =>'s 11g w/o 11b */ 2041 if (c2 != NULL) 2042 c = c2; 2043 } 2044 break; 2045 case IEEE80211_MODE_TURBO_A: 2046 if (IEEE80211_IS_CHAN_A(c)) { 2047 c2 = findchannel(ic, ireq->i_val, 2048 IEEE80211_MODE_TURBO_A); 2049 if (c2 != NULL) 2050 c = c2; 2051 } 2052 break; 2053 case IEEE80211_MODE_11NA: 2054 if (IEEE80211_IS_CHAN_A(c)) { 2055 c2 = findchannel(ic, ireq->i_val, 2056 IEEE80211_MODE_11NA); 2057 if (c2 != NULL) 2058 c = c2; 2059 } 2060 break; 2061 case IEEE80211_MODE_11NG: 2062 if (IEEE80211_IS_CHAN_ANYG(c)) { 2063 c2 = findchannel(ic, ireq->i_val, 2064 IEEE80211_MODE_11NG); 2065 if (c2 != NULL) 2066 c = c2; 2067 } 2068 break; 2069 default: /* NB: no static turboG */ 2070 break; 2071 } 2072 } 2073 return setcurchan(vap, c); 2074} 2075 2076/* 2077 * New/current api for setting the current channel; a complete 2078 * channel description is provide so there is no ambiguity in 2079 * identifying the channel. 2080 */ 2081static __noinline int 2082ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 2083 const struct ieee80211req *ireq) 2084{ 2085 struct ieee80211com *ic = vap->iv_ic; 2086 struct ieee80211_channel chan, *c; 2087 int error; 2088 2089 if (ireq->i_len != sizeof(chan)) 2090 return EINVAL; 2091 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2092 if (error != 0) 2093 return error; 2094 /* XXX 0xffff overflows 16-bit signed */ 2095 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2096 c = IEEE80211_CHAN_ANYC; 2097 } else { 2098 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2099 if (c == NULL) 2100 return EINVAL; 2101 } 2102 return setcurchan(vap, c); 2103} 2104 2105static __noinline int 2106ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2107 const struct ieee80211req *ireq) 2108{ 2109 struct ieee80211_regdomain_req *reg; 2110 int nchans, error; 2111 2112 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2113 sizeof(struct ieee80211_channel)); 2114 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2115 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2116 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2117 ireq->i_len, nchans); 2118 return EINVAL; 2119 } 2120 reg = (struct ieee80211_regdomain_req *) 2121 malloc(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, M_NOWAIT); 2122 if (reg == NULL) { 2123 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2124 "%s: no memory, nchans %d\n", __func__, nchans); 2125 return ENOMEM; 2126 } 2127 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2128 if (error == 0) { 2129 /* NB: validate inline channel count against storage size */ 2130 if (reg->chaninfo.ic_nchans != nchans) { 2131 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2132 "%s: chan cnt mismatch, %d != %d\n", __func__, 2133 reg->chaninfo.ic_nchans, nchans); 2134 error = EINVAL; 2135 } else 2136 error = ieee80211_setregdomain(vap, reg); 2137 } 2138 free(reg, M_TEMP); 2139 2140 return (error == 0 ? ENETRESET : error); 2141} 2142 2143static int 2144checkrate(const struct ieee80211_rateset *rs, int rate) 2145{ 2146 int i; 2147 2148 if (rate == IEEE80211_FIXED_RATE_NONE) 2149 return 1; 2150 for (i = 0; i < rs->rs_nrates; i++) 2151 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2152 return 1; 2153 return 0; 2154} 2155 2156static int 2157checkmcs(int mcs) 2158{ 2159 if (mcs == IEEE80211_FIXED_RATE_NONE) 2160 return 1; 2161 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2162 return 0; 2163 return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */ 2164} 2165 2166static __noinline int 2167ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2168 const struct ieee80211req *ireq) 2169{ 2170 struct ieee80211com *ic = vap->iv_ic; 2171 struct ieee80211_roamparams_req *parms; 2172 struct ieee80211_roamparam *src, *dst; 2173 const struct ieee80211_rateset *rs; 2174 int changed, error, mode, is11n, nmodes; 2175 2176 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2177 return EINVAL; 2178 2179 parms = malloc(sizeof(*parms), M_TEMP, M_NOWAIT | M_ZERO); 2180 if (parms == NULL) 2181 return ENOMEM; 2182 2183 error = copyin(ireq->i_data, parms, ireq->i_len); 2184 if (error != 0) 2185 goto fail; 2186 2187 changed = 0; 2188 nmodes = IEEE80211_MODE_MAX; 2189 2190 /* validate parameters and check if anything changed */ 2191 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2192 if (isclr(ic->ic_modecaps, mode)) 2193 continue; 2194 src = &parms->params[mode]; 2195 dst = &vap->iv_roamparms[mode]; 2196 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2197 is11n = (mode == IEEE80211_MODE_11NA || 2198 mode == IEEE80211_MODE_11NG); 2199 if (src->rate != dst->rate) { 2200 if (!checkrate(rs, src->rate) && 2201 (!is11n || !checkmcs(src->rate))) { 2202 error = EINVAL; 2203 goto fail; 2204 } 2205 changed++; 2206 } 2207 if (src->rssi != dst->rssi) 2208 changed++; 2209 } 2210 if (changed) { 2211 /* 2212 * Copy new parameters in place and notify the 2213 * driver so it can push state to the device. 2214 */ 2215 /* XXX locking? */ 2216 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2217 if (isset(ic->ic_modecaps, mode)) 2218 vap->iv_roamparms[mode] = parms->params[mode]; 2219 } 2220 2221 if (vap->iv_roaming == IEEE80211_ROAMING_DEVICE) 2222 error = ERESTART; 2223 } 2224 2225fail: free(parms, M_TEMP); 2226 return error; 2227} 2228 2229static int 2230ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2231 const struct ieee80211req *ireq) 2232{ 2233 struct ieee80211com *ic = vap->iv_ic; 2234 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2235 struct ieee80211_txparam *src, *dst; 2236 const struct ieee80211_rateset *rs; 2237 int error, mode, changed, is11n, nmodes; 2238 2239 /* NB: accept short requests for backwards compat */ 2240 if (ireq->i_len > sizeof(parms)) 2241 return EINVAL; 2242 error = copyin(ireq->i_data, &parms, ireq->i_len); 2243 if (error != 0) 2244 return error; 2245 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2246 changed = 0; 2247 /* validate parameters and check if anything changed */ 2248 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2249 if (isclr(ic->ic_modecaps, mode)) 2250 continue; 2251 src = &parms.params[mode]; 2252 dst = &vap->iv_txparms[mode]; 2253 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2254 is11n = (mode == IEEE80211_MODE_11NA || 2255 mode == IEEE80211_MODE_11NG); 2256 if (src->ucastrate != dst->ucastrate) { 2257 if (!checkrate(rs, src->ucastrate) && 2258 (!is11n || !checkmcs(src->ucastrate))) 2259 return EINVAL; 2260 changed++; 2261 } 2262 if (src->mcastrate != dst->mcastrate) { 2263 if (!checkrate(rs, src->mcastrate) && 2264 (!is11n || !checkmcs(src->mcastrate))) 2265 return EINVAL; 2266 changed++; 2267 } 2268 if (src->mgmtrate != dst->mgmtrate) { 2269 if (!checkrate(rs, src->mgmtrate) && 2270 (!is11n || !checkmcs(src->mgmtrate))) 2271 return EINVAL; 2272 changed++; 2273 } 2274 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2275 changed++; 2276 } 2277 if (changed) { 2278 /* 2279 * Copy new parameters in place and notify the 2280 * driver so it can push state to the device. 2281 */ 2282 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2283 if (isset(ic->ic_modecaps, mode)) 2284 vap->iv_txparms[mode] = parms.params[mode]; 2285 } 2286 /* XXX could be more intelligent, 2287 e.g. don't reset if setting not being used */ 2288 return ENETRESET; 2289 } 2290 return 0; 2291} 2292 2293/* 2294 * Application Information Element support. 2295 */ 2296static int 2297setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2298{ 2299 struct ieee80211_appie *app = *aie; 2300 struct ieee80211_appie *napp; 2301 int error; 2302 2303 if (ireq->i_len == 0) { /* delete any existing ie */ 2304 if (app != NULL) { 2305 *aie = NULL; /* XXX racey */ 2306 free(app, M_80211_NODE_IE); 2307 } 2308 return 0; 2309 } 2310 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2311 return EINVAL; 2312 /* 2313 * Allocate a new appie structure and copy in the user data. 2314 * When done swap in the new structure. Note that we do not 2315 * guard against users holding a ref to the old structure; 2316 * this must be handled outside this code. 2317 * 2318 * XXX bad bad bad 2319 */ 2320 napp = (struct ieee80211_appie *) malloc( 2321 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, M_NOWAIT); 2322 if (napp == NULL) 2323 return ENOMEM; 2324 /* XXX holding ic lock */ 2325 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2326 if (error) { 2327 free(napp, M_80211_NODE_IE); 2328 return error; 2329 } 2330 napp->ie_len = ireq->i_len; 2331 *aie = napp; 2332 if (app != NULL) 2333 free(app, M_80211_NODE_IE); 2334 return 0; 2335} 2336 2337static void 2338setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2339{ 2340 /* validate data is present as best we can */ 2341 if (space == 0 || 2+ie[1] > space) 2342 return; 2343 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2344 vap->iv_wpa_ie = ie; 2345 else if (ie[0] == IEEE80211_ELEMID_RSN) 2346 vap->iv_rsn_ie = ie; 2347} 2348 2349static __noinline int 2350ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2351 const struct ieee80211req *ireq, int fc0) 2352{ 2353 int error; 2354 2355 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2356 2357 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2358 case IEEE80211_FC0_SUBTYPE_BEACON: 2359 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2360 vap->iv_opmode != IEEE80211_M_IBSS) { 2361 error = EINVAL; 2362 break; 2363 } 2364 error = setappie(&vap->iv_appie_beacon, ireq); 2365 if (error == 0) 2366 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2367 break; 2368 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2369 error = setappie(&vap->iv_appie_proberesp, ireq); 2370 break; 2371 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2372 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2373 error = setappie(&vap->iv_appie_assocresp, ireq); 2374 else 2375 error = EINVAL; 2376 break; 2377 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2378 error = setappie(&vap->iv_appie_probereq, ireq); 2379 break; 2380 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2381 if (vap->iv_opmode == IEEE80211_M_STA) 2382 error = setappie(&vap->iv_appie_assocreq, ireq); 2383 else 2384 error = EINVAL; 2385 break; 2386 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2387 error = setappie(&vap->iv_appie_wpa, ireq); 2388 if (error == 0) { 2389 /* 2390 * Must split single blob of data into separate 2391 * WPA and RSN ie's because they go in different 2392 * locations in the mgt frames. 2393 * XXX use IEEE80211_IOC_WPA2 so user code does split 2394 */ 2395 vap->iv_wpa_ie = NULL; 2396 vap->iv_rsn_ie = NULL; 2397 if (vap->iv_appie_wpa != NULL) { 2398 struct ieee80211_appie *appie = 2399 vap->iv_appie_wpa; 2400 uint8_t *data = appie->ie_data; 2401 2402 /* XXX ie length validate is painful, cheat */ 2403 setwparsnie(vap, data, appie->ie_len); 2404 setwparsnie(vap, data + 2 + data[1], 2405 appie->ie_len - (2 + data[1])); 2406 } 2407 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2408 vap->iv_opmode == IEEE80211_M_IBSS) { 2409 /* 2410 * Must rebuild beacon frame as the update 2411 * mechanism doesn't handle WPA/RSN ie's. 2412 * Could extend it but it doesn't normally 2413 * change; this is just to deal with hostapd 2414 * plumbing the ie after the interface is up. 2415 */ 2416 error = ENETRESET; 2417 } 2418 } 2419 break; 2420 default: 2421 error = EINVAL; 2422 break; 2423 } 2424 return error; 2425} 2426 2427static __noinline int 2428ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2429 const struct ieee80211req *ireq) 2430{ 2431 struct ieee80211com *ic = vap->iv_ic; 2432 int error; 2433 uint8_t fc0; 2434 2435 fc0 = ireq->i_val & 0xff; 2436 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2437 return EINVAL; 2438 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2439 IEEE80211_LOCK(ic); 2440 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2441 IEEE80211_UNLOCK(ic); 2442 return error; 2443} 2444 2445static __noinline int 2446ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2447{ 2448 struct ieee80211com *ic = vap->iv_ic; 2449 struct ieee80211_chanswitch_req csr; 2450 struct ieee80211_channel *c; 2451 int error; 2452 2453 if (ireq->i_len != sizeof(csr)) 2454 return EINVAL; 2455 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2456 if (error != 0) 2457 return error; 2458 /* XXX adhoc mode not supported */ 2459 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2460 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2461 return EOPNOTSUPP; 2462 c = ieee80211_find_channel(ic, 2463 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2464 if (c == NULL) 2465 return ENOENT; 2466 IEEE80211_LOCK(ic); 2467 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2468 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2469 else if (csr.csa_count == 0) 2470 ieee80211_csa_cancelswitch(ic); 2471 else 2472 error = EBUSY; 2473 IEEE80211_UNLOCK(ic); 2474 return error; 2475} 2476 2477static int 2478ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr) 2479{ 2480#define IEEE80211_IOC_SCAN_FLAGS \ 2481 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2482 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2483 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2484 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2485 IEEE80211_IOC_SCAN_CHECK) 2486 struct ieee80211com *ic = vap->iv_ic; 2487 int error, i; 2488 2489 /* convert duration */ 2490 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2491 sr->sr_duration = IEEE80211_SCAN_FOREVER; 2492 else { 2493 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2494 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2495 return EINVAL; 2496 sr->sr_duration = msecs_to_ticks(sr->sr_duration); 2497 if (sr->sr_duration < 1) 2498 sr->sr_duration = 1; 2499 } 2500 /* convert min/max channel dwell */ 2501 if (sr->sr_mindwell != 0) { 2502 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell); 2503 if (sr->sr_mindwell < 1) 2504 sr->sr_mindwell = 1; 2505 } 2506 if (sr->sr_maxdwell != 0) { 2507 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell); 2508 if (sr->sr_maxdwell < 1) 2509 sr->sr_maxdwell = 1; 2510 } 2511 /* NB: silently reduce ssid count to what is supported */ 2512 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID) 2513 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID; 2514 for (i = 0; i < sr->sr_nssid; i++) 2515 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN) 2516 return EINVAL; 2517 /* cleanse flags just in case, could reject if invalid flags */ 2518 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2519 /* 2520 * Add an implicit NOPICK if the vap is not marked UP. This 2521 * allows applications to scan without joining a bss (or picking 2522 * a channel and setting up a bss) and without forcing manual 2523 * roaming mode--you just need to mark the parent device UP. 2524 */ 2525 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2526 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2527 2528 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2529 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2530 __func__, sr->sr_flags, 2531 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2532 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid); 2533 /* 2534 * If we are in INIT state then the driver has never had a chance 2535 * to setup hardware state to do a scan; we must use the state 2536 * machine to get us up to the SCAN state but once we reach SCAN 2537 * state we then want to use the supplied params. Stash the 2538 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2539 * state machines will recognize this and use the stashed params 2540 * to issue the scan request. 2541 * 2542 * Otherwise just invoke the scan machinery directly. 2543 */ 2544 IEEE80211_LOCK(ic); 2545 if (vap->iv_state == IEEE80211_S_INIT) { 2546 /* NB: clobbers previous settings */ 2547 vap->iv_scanreq_flags = sr->sr_flags; 2548 vap->iv_scanreq_duration = sr->sr_duration; 2549 vap->iv_scanreq_nssid = sr->sr_nssid; 2550 for (i = 0; i < sr->sr_nssid; i++) { 2551 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len; 2552 memcpy(vap->iv_scanreq_ssid[i].ssid, 2553 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len); 2554 } 2555 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2556 IEEE80211_UNLOCK(ic); 2557 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2558 } else { 2559 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2560 IEEE80211_UNLOCK(ic); 2561 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2562 error = ieee80211_check_scan(vap, sr->sr_flags, 2563 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2564 sr->sr_nssid, 2565 /* NB: cheat, we assume structures are compatible */ 2566 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2567 } else { 2568 error = ieee80211_start_scan(vap, sr->sr_flags, 2569 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2570 sr->sr_nssid, 2571 /* NB: cheat, we assume structures are compatible */ 2572 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2573 } 2574 if (error == 0) 2575 return EINPROGRESS; 2576 } 2577 return 0; 2578#undef IEEE80211_IOC_SCAN_FLAGS 2579} 2580 2581static __noinline int 2582ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2583{ 2584 struct ieee80211com *ic = vap->iv_ic; 2585 struct ieee80211_scan_req sr; /* XXX off stack? */ 2586 int error; 2587 2588 /* NB: parent must be running */ 2589 if ((ic->ic_ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 2590 return ENXIO; 2591 2592 if (ireq->i_len != sizeof(sr)) 2593 return EINVAL; 2594 error = copyin(ireq->i_data, &sr, sizeof(sr)); 2595 if (error != 0) 2596 return error; 2597 return ieee80211_scanreq(vap, &sr); 2598} 2599 2600static __noinline int 2601ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2602{ 2603 struct ieee80211_node *ni; 2604 struct ieee80211req_sta_vlan vlan; 2605 int error; 2606 2607 if (ireq->i_len != sizeof(vlan)) 2608 return EINVAL; 2609 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2610 if (error != 0) 2611 return error; 2612 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2613 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2614 vlan.sv_macaddr); 2615 if (ni == NULL) 2616 return ENOENT; 2617 } else 2618 ni = ieee80211_ref_node(vap->iv_bss); 2619 ni->ni_vlan = vlan.sv_vlan; 2620 ieee80211_free_node(ni); 2621 return error; 2622} 2623 2624static int 2625isvap11g(const struct ieee80211vap *vap) 2626{ 2627 const struct ieee80211_node *bss = vap->iv_bss; 2628 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2629 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2630} 2631 2632static int 2633isvapht(const struct ieee80211vap *vap) 2634{ 2635 const struct ieee80211_node *bss = vap->iv_bss; 2636 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2637 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2638} 2639 2640/* 2641 * Dummy ioctl set handler so the linker set is defined. 2642 */ 2643static int 2644dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2645{ 2646 return ENOSYS; 2647} 2648IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2649 2650static int 2651ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2652{ 2653 ieee80211_ioctl_setfunc * const *set; 2654 int error; 2655 2656 SET_FOREACH(set, ieee80211_ioctl_setset) { 2657 error = (*set)(vap, ireq); 2658 if (error != ENOSYS) 2659 return error; 2660 } 2661 return EINVAL; 2662} 2663 2664static __noinline int 2665ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2666{ 2667 struct ieee80211com *ic = vap->iv_ic; 2668 int error; 2669 const struct ieee80211_authenticator *auth; 2670 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2671 char tmpssid[IEEE80211_NWID_LEN]; 2672 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2673 struct ieee80211_key *k; 2674 u_int kid; 2675 uint32_t flags; 2676 2677 error = 0; 2678 switch (ireq->i_type) { 2679 case IEEE80211_IOC_SSID: 2680 if (ireq->i_val != 0 || 2681 ireq->i_len > IEEE80211_NWID_LEN) 2682 return EINVAL; 2683 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2684 if (error) 2685 break; 2686 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2687 vap->iv_des_ssid[0].len = ireq->i_len; 2688 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2689 vap->iv_des_nssid = (ireq->i_len > 0); 2690 error = ENETRESET; 2691 break; 2692 case IEEE80211_IOC_WEP: 2693 switch (ireq->i_val) { 2694 case IEEE80211_WEP_OFF: 2695 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2696 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2697 break; 2698 case IEEE80211_WEP_ON: 2699 vap->iv_flags |= IEEE80211_F_PRIVACY; 2700 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2701 break; 2702 case IEEE80211_WEP_MIXED: 2703 vap->iv_flags |= IEEE80211_F_PRIVACY; 2704 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2705 break; 2706 } 2707 error = ENETRESET; 2708 break; 2709 case IEEE80211_IOC_WEPKEY: 2710 kid = (u_int) ireq->i_val; 2711 if (kid >= IEEE80211_WEP_NKID) 2712 return EINVAL; 2713 k = &vap->iv_nw_keys[kid]; 2714 if (ireq->i_len == 0) { 2715 /* zero-len =>'s delete any existing key */ 2716 (void) ieee80211_crypto_delkey(vap, k); 2717 break; 2718 } 2719 if (ireq->i_len > sizeof(tmpkey)) 2720 return EINVAL; 2721 memset(tmpkey, 0, sizeof(tmpkey)); 2722 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2723 if (error) 2724 break; 2725 ieee80211_key_update_begin(vap); 2726 k->wk_keyix = kid; /* NB: force fixed key id */ 2727 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2728 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2729 k->wk_keylen = ireq->i_len; 2730 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2731 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2732 if (!ieee80211_crypto_setkey(vap, k)) 2733 error = EINVAL; 2734 } else 2735 error = EINVAL; 2736 ieee80211_key_update_end(vap); 2737 break; 2738 case IEEE80211_IOC_WEPTXKEY: 2739 kid = (u_int) ireq->i_val; 2740 if (kid >= IEEE80211_WEP_NKID && 2741 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2742 return EINVAL; 2743 vap->iv_def_txkey = kid; 2744 break; 2745 case IEEE80211_IOC_AUTHMODE: 2746 switch (ireq->i_val) { 2747 case IEEE80211_AUTH_WPA: 2748 case IEEE80211_AUTH_8021X: /* 802.1x */ 2749 case IEEE80211_AUTH_OPEN: /* open */ 2750 case IEEE80211_AUTH_SHARED: /* shared-key */ 2751 case IEEE80211_AUTH_AUTO: /* auto */ 2752 auth = ieee80211_authenticator_get(ireq->i_val); 2753 if (auth == NULL) 2754 return EINVAL; 2755 break; 2756 default: 2757 return EINVAL; 2758 } 2759 switch (ireq->i_val) { 2760 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2761 vap->iv_flags |= IEEE80211_F_PRIVACY; 2762 ireq->i_val = IEEE80211_AUTH_8021X; 2763 break; 2764 case IEEE80211_AUTH_OPEN: /* open */ 2765 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2766 break; 2767 case IEEE80211_AUTH_SHARED: /* shared-key */ 2768 case IEEE80211_AUTH_8021X: /* 802.1x */ 2769 vap->iv_flags &= ~IEEE80211_F_WPA; 2770 /* both require a key so mark the PRIVACY capability */ 2771 vap->iv_flags |= IEEE80211_F_PRIVACY; 2772 break; 2773 case IEEE80211_AUTH_AUTO: /* auto */ 2774 vap->iv_flags &= ~IEEE80211_F_WPA; 2775 /* XXX PRIVACY handling? */ 2776 /* XXX what's the right way to do this? */ 2777 break; 2778 } 2779 /* NB: authenticator attach/detach happens on state change */ 2780 vap->iv_bss->ni_authmode = ireq->i_val; 2781 /* XXX mixed/mode/usage? */ 2782 vap->iv_auth = auth; 2783 error = ENETRESET; 2784 break; 2785 case IEEE80211_IOC_CHANNEL: 2786 error = ieee80211_ioctl_setchannel(vap, ireq); 2787 break; 2788 case IEEE80211_IOC_POWERSAVE: 2789 switch (ireq->i_val) { 2790 case IEEE80211_POWERSAVE_OFF: 2791 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2792 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2793 error = ERESTART; 2794 } 2795 break; 2796 case IEEE80211_POWERSAVE_ON: 2797 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2798 error = EOPNOTSUPP; 2799 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2800 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2801 error = ERESTART; 2802 } 2803 break; 2804 default: 2805 error = EINVAL; 2806 break; 2807 } 2808 break; 2809 case IEEE80211_IOC_POWERSAVESLEEP: 2810 if (ireq->i_val < 0) 2811 return EINVAL; 2812 ic->ic_lintval = ireq->i_val; 2813 error = ERESTART; 2814 break; 2815 case IEEE80211_IOC_RTSTHRESHOLD: 2816 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2817 ireq->i_val <= IEEE80211_RTS_MAX)) 2818 return EINVAL; 2819 vap->iv_rtsthreshold = ireq->i_val; 2820 error = ERESTART; 2821 break; 2822 case IEEE80211_IOC_PROTMODE: 2823 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2824 return EINVAL; 2825 ic->ic_protmode = (enum ieee80211_protmode)ireq->i_val; 2826 /* NB: if not operating in 11g this can wait */ 2827 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2828 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2829 error = ERESTART; 2830 break; 2831 case IEEE80211_IOC_TXPOWER: 2832 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2833 return EOPNOTSUPP; 2834 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2835 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2836 return EINVAL; 2837 ic->ic_txpowlimit = ireq->i_val; 2838 error = ERESTART; 2839 break; 2840 case IEEE80211_IOC_ROAMING: 2841 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2842 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2843 return EINVAL; 2844 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val; 2845 /* XXXX reset? */ 2846 break; 2847 case IEEE80211_IOC_PRIVACY: 2848 if (ireq->i_val) { 2849 /* XXX check for key state? */ 2850 vap->iv_flags |= IEEE80211_F_PRIVACY; 2851 } else 2852 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2853 /* XXX ERESTART? */ 2854 break; 2855 case IEEE80211_IOC_DROPUNENCRYPTED: 2856 if (ireq->i_val) 2857 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2858 else 2859 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2860 /* XXX ERESTART? */ 2861 break; 2862 case IEEE80211_IOC_WPAKEY: 2863 error = ieee80211_ioctl_setkey(vap, ireq); 2864 break; 2865 case IEEE80211_IOC_DELKEY: 2866 error = ieee80211_ioctl_delkey(vap, ireq); 2867 break; 2868 case IEEE80211_IOC_MLME: 2869 error = ieee80211_ioctl_setmlme(vap, ireq); 2870 break; 2871 case IEEE80211_IOC_COUNTERMEASURES: 2872 if (ireq->i_val) { 2873 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2874 return EOPNOTSUPP; 2875 vap->iv_flags |= IEEE80211_F_COUNTERM; 2876 } else 2877 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2878 /* XXX ERESTART? */ 2879 break; 2880 case IEEE80211_IOC_WPA: 2881 if (ireq->i_val > 3) 2882 return EINVAL; 2883 /* XXX verify ciphers available */ 2884 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2885 switch (ireq->i_val) { 2886 case 1: 2887 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2888 return EOPNOTSUPP; 2889 flags |= IEEE80211_F_WPA1; 2890 break; 2891 case 2: 2892 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2893 return EOPNOTSUPP; 2894 flags |= IEEE80211_F_WPA2; 2895 break; 2896 case 3: 2897 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2898 return EOPNOTSUPP; 2899 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2900 break; 2901 default: /* Can't set any -> error */ 2902 return EOPNOTSUPP; 2903 } 2904 vap->iv_flags = flags; 2905 error = ERESTART; /* NB: can change beacon frame */ 2906 break; 2907 case IEEE80211_IOC_WME: 2908 if (ireq->i_val) { 2909 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 2910 return EOPNOTSUPP; 2911 ieee80211_syncflag(vap, IEEE80211_F_WME); 2912 } else 2913 ieee80211_syncflag(vap, -IEEE80211_F_WME); 2914 error = ERESTART; /* NB: can change beacon frame */ 2915 break; 2916 case IEEE80211_IOC_HIDESSID: 2917 if (ireq->i_val) 2918 vap->iv_flags |= IEEE80211_F_HIDESSID; 2919 else 2920 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 2921 error = ERESTART; /* XXX ENETRESET? */ 2922 break; 2923 case IEEE80211_IOC_APBRIDGE: 2924 if (ireq->i_val == 0) 2925 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 2926 else 2927 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 2928 break; 2929 case IEEE80211_IOC_BSSID: 2930 if (ireq->i_len != sizeof(tmpbssid)) 2931 return EINVAL; 2932 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 2933 if (error) 2934 break; 2935 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 2936 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 2937 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 2938 else 2939 vap->iv_flags |= IEEE80211_F_DESBSSID; 2940 error = ENETRESET; 2941 break; 2942 case IEEE80211_IOC_CHANLIST: 2943 error = ieee80211_ioctl_setchanlist(vap, ireq); 2944 break; 2945#define OLD_IEEE80211_IOC_SCAN_REQ 23 2946#ifdef OLD_IEEE80211_IOC_SCAN_REQ 2947 case OLD_IEEE80211_IOC_SCAN_REQ: 2948 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2949 "%s: active scan request\n", __func__); 2950 /* 2951 * If we are in INIT state then the driver has never 2952 * had a chance to setup hardware state to do a scan; 2953 * use the state machine to get us up the SCAN state. 2954 * Otherwise just invoke the scan machinery to start 2955 * a one-time scan. 2956 */ 2957 if (vap->iv_state == IEEE80211_S_INIT) 2958 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2959 else 2960 (void) ieee80211_start_scan(vap, 2961 IEEE80211_SCAN_ACTIVE | 2962 IEEE80211_SCAN_NOPICK | 2963 IEEE80211_SCAN_ONCE, 2964 IEEE80211_SCAN_FOREVER, 0, 0, 2965 /* XXX use ioctl params */ 2966 vap->iv_des_nssid, vap->iv_des_ssid); 2967 break; 2968#endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 2969 case IEEE80211_IOC_SCAN_REQ: 2970 error = ieee80211_ioctl_scanreq(vap, ireq); 2971 break; 2972 case IEEE80211_IOC_SCAN_CANCEL: 2973 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2974 "%s: cancel scan\n", __func__); 2975 ieee80211_cancel_scan(vap); 2976 break; 2977 case IEEE80211_IOC_HTCONF: 2978 if (ireq->i_val & 1) 2979 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 2980 else 2981 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 2982 if (ireq->i_val & 2) 2983 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 2984 else 2985 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 2986 error = ENETRESET; 2987 break; 2988 case IEEE80211_IOC_ADDMAC: 2989 case IEEE80211_IOC_DELMAC: 2990 error = ieee80211_ioctl_macmac(vap, ireq); 2991 break; 2992 case IEEE80211_IOC_MACCMD: 2993 error = ieee80211_ioctl_setmaccmd(vap, ireq); 2994 break; 2995 case IEEE80211_IOC_STA_STATS: 2996 error = ieee80211_ioctl_setstastats(vap, ireq); 2997 break; 2998 case IEEE80211_IOC_STA_TXPOW: 2999 error = ieee80211_ioctl_setstatxpow(vap, ireq); 3000 break; 3001 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 3002 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 3003 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 3004 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 3005 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 3006 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 3007 error = ieee80211_ioctl_setwmeparam(vap, ireq); 3008 break; 3009 case IEEE80211_IOC_DTIM_PERIOD: 3010 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3011 vap->iv_opmode != IEEE80211_M_MBSS && 3012 vap->iv_opmode != IEEE80211_M_IBSS) 3013 return EINVAL; 3014 if (IEEE80211_DTIM_MIN <= ireq->i_val && 3015 ireq->i_val <= IEEE80211_DTIM_MAX) { 3016 vap->iv_dtim_period = ireq->i_val; 3017 error = ENETRESET; /* requires restart */ 3018 } else 3019 error = EINVAL; 3020 break; 3021 case IEEE80211_IOC_BEACON_INTERVAL: 3022 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3023 vap->iv_opmode != IEEE80211_M_MBSS && 3024 vap->iv_opmode != IEEE80211_M_IBSS) 3025 return EINVAL; 3026 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 3027 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 3028 ic->ic_bintval = ireq->i_val; 3029 error = ENETRESET; /* requires restart */ 3030 } else 3031 error = EINVAL; 3032 break; 3033 case IEEE80211_IOC_PUREG: 3034 if (ireq->i_val) 3035 vap->iv_flags |= IEEE80211_F_PUREG; 3036 else 3037 vap->iv_flags &= ~IEEE80211_F_PUREG; 3038 /* NB: reset only if we're operating on an 11g channel */ 3039 if (isvap11g(vap)) 3040 error = ENETRESET; 3041 break; 3042 case IEEE80211_IOC_QUIET: 3043 vap->iv_quiet= ireq->i_val; 3044 break; 3045 case IEEE80211_IOC_QUIET_COUNT: 3046 vap->iv_quiet_count=ireq->i_val; 3047 break; 3048 case IEEE80211_IOC_QUIET_PERIOD: 3049 vap->iv_quiet_period=ireq->i_val; 3050 break; 3051 case IEEE80211_IOC_QUIET_OFFSET: 3052 vap->iv_quiet_offset=ireq->i_val; 3053 break; 3054 case IEEE80211_IOC_QUIET_DUR: 3055 if(ireq->i_val < vap->iv_bss->ni_intval) 3056 vap->iv_quiet_duration = ireq->i_val; 3057 else 3058 error = EINVAL; 3059 break; 3060 case IEEE80211_IOC_BGSCAN: 3061 if (ireq->i_val) { 3062 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 3063 return EOPNOTSUPP; 3064 vap->iv_flags |= IEEE80211_F_BGSCAN; 3065 } else 3066 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 3067 break; 3068 case IEEE80211_IOC_BGSCAN_IDLE: 3069 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 3070 vap->iv_bgscanidle = ireq->i_val*hz/1000; 3071 else 3072 error = EINVAL; 3073 break; 3074 case IEEE80211_IOC_BGSCAN_INTERVAL: 3075 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 3076 vap->iv_bgscanintvl = ireq->i_val*hz; 3077 else 3078 error = EINVAL; 3079 break; 3080 case IEEE80211_IOC_SCANVALID: 3081 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 3082 vap->iv_scanvalid = ireq->i_val*hz; 3083 else 3084 error = EINVAL; 3085 break; 3086 case IEEE80211_IOC_FRAGTHRESHOLD: 3087 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 3088 ireq->i_val != IEEE80211_FRAG_MAX) 3089 return EOPNOTSUPP; 3090 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 3091 ireq->i_val <= IEEE80211_FRAG_MAX)) 3092 return EINVAL; 3093 vap->iv_fragthreshold = ireq->i_val; 3094 error = ERESTART; 3095 break; 3096 case IEEE80211_IOC_BURST: 3097 if (ireq->i_val) { 3098 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 3099 return EOPNOTSUPP; 3100 ieee80211_syncflag(vap, IEEE80211_F_BURST); 3101 } else 3102 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 3103 error = ERESTART; 3104 break; 3105 case IEEE80211_IOC_BMISSTHRESHOLD: 3106 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 3107 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 3108 return EINVAL; 3109 vap->iv_bmissthreshold = ireq->i_val; 3110 error = ERESTART; 3111 break; 3112 case IEEE80211_IOC_CURCHAN: 3113 error = ieee80211_ioctl_setcurchan(vap, ireq); 3114 break; 3115 case IEEE80211_IOC_SHORTGI: 3116 if (ireq->i_val) { 3117#define IEEE80211_HTCAP_SHORTGI \ 3118 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 3119 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 3120 return EINVAL; 3121 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 3122 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 3123 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 3124 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 3125#undef IEEE80211_HTCAP_SHORTGI 3126 } else 3127 vap->iv_flags_ht &= 3128 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 3129 error = ERESTART; 3130 break; 3131 case IEEE80211_IOC_AMPDU: 3132 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 3133 return EINVAL; 3134 if (ireq->i_val & 1) 3135 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 3136 else 3137 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 3138 if (ireq->i_val & 2) 3139 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 3140 else 3141 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 3142 /* NB: reset only if we're operating on an 11n channel */ 3143 if (isvapht(vap)) 3144 error = ERESTART; 3145 break; 3146 case IEEE80211_IOC_AMPDU_LIMIT: 3147 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 3148 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 3149 return EINVAL; 3150 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 3151 vap->iv_ampdu_rxmax = ireq->i_val; 3152 else 3153 vap->iv_ampdu_limit = ireq->i_val; 3154 error = ERESTART; 3155 break; 3156 case IEEE80211_IOC_AMPDU_DENSITY: 3157 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 3158 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 3159 return EINVAL; 3160 vap->iv_ampdu_density = ireq->i_val; 3161 error = ERESTART; 3162 break; 3163 case IEEE80211_IOC_AMSDU: 3164 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 3165 return EINVAL; 3166 if (ireq->i_val & 1) 3167 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 3168 else 3169 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 3170 if (ireq->i_val & 2) 3171 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 3172 else 3173 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 3174 /* NB: reset only if we're operating on an 11n channel */ 3175 if (isvapht(vap)) 3176 error = ERESTART; 3177 break; 3178 case IEEE80211_IOC_AMSDU_LIMIT: 3179 /* XXX validate */ 3180 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 3181 break; 3182 case IEEE80211_IOC_PUREN: 3183 if (ireq->i_val) { 3184 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3185 return EINVAL; 3186 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3187 } else 3188 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3189 /* NB: reset only if we're operating on an 11n channel */ 3190 if (isvapht(vap)) 3191 error = ERESTART; 3192 break; 3193 case IEEE80211_IOC_DOTH: 3194 if (ireq->i_val) { 3195#if 0 3196 /* XXX no capability */ 3197 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3198 return EOPNOTSUPP; 3199#endif 3200 vap->iv_flags |= IEEE80211_F_DOTH; 3201 } else 3202 vap->iv_flags &= ~IEEE80211_F_DOTH; 3203 error = ENETRESET; 3204 break; 3205 case IEEE80211_IOC_REGDOMAIN: 3206 error = ieee80211_ioctl_setregdomain(vap, ireq); 3207 break; 3208 case IEEE80211_IOC_ROAM: 3209 error = ieee80211_ioctl_setroam(vap, ireq); 3210 break; 3211 case IEEE80211_IOC_TXPARAMS: 3212 error = ieee80211_ioctl_settxparams(vap, ireq); 3213 break; 3214 case IEEE80211_IOC_HTCOMPAT: 3215 if (ireq->i_val) { 3216 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3217 return EOPNOTSUPP; 3218 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3219 } else 3220 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 3221 /* NB: reset only if we're operating on an 11n channel */ 3222 if (isvapht(vap)) 3223 error = ERESTART; 3224 break; 3225 case IEEE80211_IOC_DWDS: 3226 if (ireq->i_val) { 3227 /* NB: DWDS only makes sense for WDS-capable devices */ 3228 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3229 return EOPNOTSUPP; 3230 /* NB: DWDS is used only with ap+sta vaps */ 3231 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3232 vap->iv_opmode != IEEE80211_M_STA) 3233 return EINVAL; 3234 vap->iv_flags |= IEEE80211_F_DWDS; 3235 if (vap->iv_opmode == IEEE80211_M_STA) 3236 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3237 } else { 3238 vap->iv_flags &= ~IEEE80211_F_DWDS; 3239 if (vap->iv_opmode == IEEE80211_M_STA) 3240 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3241 } 3242 break; 3243 case IEEE80211_IOC_INACTIVITY: 3244 if (ireq->i_val) 3245 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3246 else 3247 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3248 break; 3249 case IEEE80211_IOC_APPIE: 3250 error = ieee80211_ioctl_setappie(vap, ireq); 3251 break; 3252 case IEEE80211_IOC_WPS: 3253 if (ireq->i_val) { 3254 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3255 return EOPNOTSUPP; 3256 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3257 } else 3258 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3259 break; 3260 case IEEE80211_IOC_TSN: 3261 if (ireq->i_val) { 3262 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3263 return EOPNOTSUPP; 3264 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3265 } else 3266 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3267 break; 3268 case IEEE80211_IOC_CHANSWITCH: 3269 error = ieee80211_ioctl_chanswitch(vap, ireq); 3270 break; 3271 case IEEE80211_IOC_DFS: 3272 if (ireq->i_val) { 3273 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3274 return EOPNOTSUPP; 3275 /* NB: DFS requires 11h support */ 3276 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3277 return EINVAL; 3278 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3279 } else 3280 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3281 break; 3282 case IEEE80211_IOC_DOTD: 3283 if (ireq->i_val) 3284 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3285 else 3286 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3287 if (vap->iv_opmode == IEEE80211_M_STA) 3288 error = ENETRESET; 3289 break; 3290 case IEEE80211_IOC_HTPROTMODE: 3291 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3292 return EINVAL; 3293 ic->ic_htprotmode = ireq->i_val ? 3294 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3295 /* NB: if not operating in 11n this can wait */ 3296 if (isvapht(vap)) 3297 error = ERESTART; 3298 break; 3299 case IEEE80211_IOC_STA_VLAN: 3300 error = ieee80211_ioctl_setstavlan(vap, ireq); 3301 break; 3302 case IEEE80211_IOC_SMPS: 3303 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3304 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3305 return EINVAL; 3306 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3307 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3308 return EOPNOTSUPP; 3309 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3310 ireq->i_val; 3311 /* NB: if not operating in 11n this can wait */ 3312 if (isvapht(vap)) 3313 error = ERESTART; 3314 break; 3315 case IEEE80211_IOC_RIFS: 3316 if (ireq->i_val != 0) { 3317 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3318 return EOPNOTSUPP; 3319 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3320 } else 3321 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3322 /* NB: if not operating in 11n this can wait */ 3323 if (isvapht(vap)) 3324 error = ERESTART; 3325 break; 3326 default: 3327 error = ieee80211_ioctl_setdefault(vap, ireq); 3328 break; 3329 } 3330 /* 3331 * The convention is that ENETRESET means an operation 3332 * requires a complete re-initialization of the device (e.g. 3333 * changing something that affects the association state). 3334 * ERESTART means the request may be handled with only a 3335 * reload of the hardware state. We hand ERESTART requests 3336 * to the iv_reset callback so the driver can decide. If 3337 * a device does not fillin iv_reset then it defaults to one 3338 * that returns ENETRESET. Otherwise a driver may return 3339 * ENETRESET (in which case a full reset will be done) or 3340 * 0 to mean there's no need to do anything (e.g. when the 3341 * change has no effect on the driver/device). 3342 */ 3343 if (error == ERESTART) 3344 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3345 vap->iv_reset(vap, ireq->i_type) : 0; 3346 if (error == ENETRESET) { 3347 /* XXX need to re-think AUTO handling */ 3348 if (IS_UP_AUTO(vap)) 3349 ieee80211_init(vap); 3350 error = 0; 3351 } 3352 return error; 3353} 3354 3355/* 3356 * Rebuild the parent's multicast address list after an add/del 3357 * of a multicast address for a vap. We have no way to tell 3358 * what happened above to optimize the work so we purge the entire 3359 * list and rebuild from scratch. This is way expensive. 3360 * Note also the half-baked workaround for if_addmulti calling 3361 * back to the parent device; there's no way to insert mcast 3362 * entries quietly and/or cheaply. 3363 */ 3364static void 3365ieee80211_ioctl_updatemulti(struct ieee80211com *ic) 3366{ 3367 struct ifnet *parent = ic->ic_ifp; 3368 struct ieee80211vap *vap; 3369 void *ioctl; 3370 3371 IEEE80211_LOCK(ic); 3372 if_delallmulti(parent); 3373 ioctl = parent->if_ioctl; /* XXX WAR if_allmulti */ 3374 parent->if_ioctl = NULL; 3375 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 3376 struct ifnet *ifp = vap->iv_ifp; 3377 struct ifmultiaddr *ifma; 3378 3379 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 3380 if (ifma->ifma_addr->sa_family != AF_LINK) 3381 continue; 3382 (void) if_addmulti(parent, ifma->ifma_addr, NULL); 3383 } 3384 } 3385 parent->if_ioctl = ioctl; 3386 ieee80211_runtask(ic, &ic->ic_mcast_task); 3387 IEEE80211_UNLOCK(ic); 3388} 3389 3390int 3391ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3392{ 3393 struct ieee80211vap *vap = ifp->if_softc; 3394 struct ieee80211com *ic = vap->iv_ic; 3395 int error = 0; 3396 struct ifreq *ifr; 3397 struct ifaddr *ifa; /* XXX */ 3398 3399 switch (cmd) { 3400 case SIOCSIFFLAGS: 3401 IEEE80211_LOCK(ic); 3402 ieee80211_syncifflag_locked(ic, IFF_PROMISC); 3403 ieee80211_syncifflag_locked(ic, IFF_ALLMULTI); 3404 if (ifp->if_flags & IFF_UP) { 3405 /* 3406 * Bring ourself up unless we're already operational. 3407 * If we're the first vap and the parent is not up 3408 * then it will automatically be brought up as a 3409 * side-effect of bringing ourself up. 3410 */ 3411 if (vap->iv_state == IEEE80211_S_INIT) 3412 ieee80211_start_locked(vap); 3413 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 3414 /* 3415 * Stop ourself. If we are the last vap to be 3416 * marked down the parent will also be taken down. 3417 */ 3418 ieee80211_stop_locked(vap); 3419 } 3420 IEEE80211_UNLOCK(ic); 3421 /* Wait for parent ioctl handler if it was queued */ 3422 ieee80211_waitfor_parent(ic); 3423 break; 3424 case SIOCADDMULTI: 3425 case SIOCDELMULTI: 3426 ieee80211_ioctl_updatemulti(ic); 3427 break; 3428 case SIOCSIFMEDIA: 3429 case SIOCGIFMEDIA: 3430 ifr = (struct ifreq *)data; 3431 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3432 break; 3433 case SIOCG80211: 3434 error = ieee80211_ioctl_get80211(vap, cmd, 3435 (struct ieee80211req *) data); 3436 break; 3437 case SIOCS80211: 3438 error = priv_check(curthread, PRIV_NET80211_MANAGE); 3439 if (error == 0) 3440 error = ieee80211_ioctl_set80211(vap, cmd, 3441 (struct ieee80211req *) data); 3442 break; 3443 case SIOCG80211STATS: 3444 ifr = (struct ifreq *)data; 3445 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats)); 3446 break; 3447 case SIOCSIFMTU: 3448 ifr = (struct ifreq *)data; 3449 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3450 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3451 error = EINVAL; 3452 else 3453 ifp->if_mtu = ifr->ifr_mtu; 3454 break; 3455 case SIOCSIFADDR: 3456 /* 3457 * XXX Handle this directly so we can supress if_init calls. 3458 * XXX This should be done in ether_ioctl but for the moment 3459 * XXX there are too many other parts of the system that 3460 * XXX set IFF_UP and so supress if_init being called when 3461 * XXX it should be. 3462 */ 3463 ifa = (struct ifaddr *) data; 3464 switch (ifa->ifa_addr->sa_family) { 3465#ifdef INET 3466 case AF_INET: 3467 if ((ifp->if_flags & IFF_UP) == 0) { 3468 ifp->if_flags |= IFF_UP; 3469 ifp->if_init(ifp->if_softc); 3470 } 3471 arp_ifinit(ifp, ifa); 3472 break; 3473#endif 3474#ifdef IPX 3475 /* 3476 * XXX - This code is probably wrong, 3477 * but has been copied many times. 3478 */ 3479 case AF_IPX: { 3480 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr); 3481 3482 if (ipx_nullhost(*ina)) 3483 ina->x_host = *(union ipx_host *) 3484 IF_LLADDR(ifp); 3485 else 3486 bcopy((caddr_t) ina->x_host.c_host, 3487 (caddr_t) IF_LLADDR(ifp), 3488 ETHER_ADDR_LEN); 3489 /* fall thru... */ 3490 } 3491#endif 3492 default: 3493 if ((ifp->if_flags & IFF_UP) == 0) { 3494 ifp->if_flags |= IFF_UP; 3495 ifp->if_init(ifp->if_softc); 3496 } 3497 break; 3498 } 3499 break; 3500 /* Pass NDIS ioctls up to the driver */ 3501 case SIOCGDRVSPEC: 3502 case SIOCSDRVSPEC: 3503 case SIOCGPRIVATE_0: { 3504 struct ifnet *parent = vap->iv_ic->ic_ifp; 3505 error = parent->if_ioctl(parent, cmd, data); 3506 break; 3507 } 3508 default: 3509 error = ether_ioctl(ifp, cmd, data); 3510 break; 3511 } 3512 return error; 3513} 3514