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("$FreeBSD$"); 29 30 /* 31 * IEEE 802.11 ioctl support (FreeBSD-specific) 32 */ 33 34 #include "opt_inet.h" 35 #include "opt_wlan.h" 36 37 #include <sys/endian.h> 38 #include <sys/param.h> 39 #include <sys/kernel.h> 40 #include <sys/priv.h> 41 #include <sys/socket.h> 42 #include <sys/sockio.h> 43 #include <sys/systm.h> 44 45 #include <net/if.h> 46 #include <net/if_var.h> 47 #include <net/if_dl.h> 48 #include <net/if_media.h> 49 #include <net/ethernet.h> 50 51 #ifdef INET 52 #include <netinet/in.h> 53 #include <netinet/if_ether.h> 54 #endif 55 56 #include <net80211/ieee80211_var.h> 57 #include <net80211/ieee80211_ioctl.h> 58 #include <net80211/ieee80211_regdomain.h> 59 #include <net80211/ieee80211_input.h> 60 61 #define IS_UP_AUTO(_vap) \ 62 (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \ 63 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO) 64 65 static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 66 static struct ieee80211_channel *findchannel(struct ieee80211com *, 67 int ieee, int mode); 68 static int ieee80211_scanreq(struct ieee80211vap *, 69 struct ieee80211_scan_req *); 70 71 static __noinline int 72 ieee80211_ioctl_getkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 73 { 74 struct ieee80211com *ic = vap->iv_ic; 75 struct ieee80211_node *ni; 76 struct ieee80211req_key ik; 77 struct ieee80211_key *wk; 78 const struct ieee80211_cipher *cip; 79 u_int kid; 80 int error; 81 82 if (ireq->i_len != sizeof(ik)) 83 return EINVAL; 84 error = copyin(ireq->i_data, &ik, sizeof(ik)); 85 if (error) 86 return error; 87 kid = ik.ik_keyix; 88 if (kid == IEEE80211_KEYIX_NONE) { 89 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr); 90 if (ni == NULL) 91 return ENOENT; 92 wk = &ni->ni_ucastkey; 93 } else { 94 if (kid >= IEEE80211_WEP_NKID) 95 return EINVAL; 96 wk = &vap->iv_nw_keys[kid]; 97 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr); 98 ni = NULL; 99 } 100 cip = wk->wk_cipher; 101 ik.ik_type = cip->ic_cipher; 102 ik.ik_keylen = wk->wk_keylen; 103 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 104 if (wk->wk_keyix == vap->iv_def_txkey) 105 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 106 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 107 /* NB: only root can read key data */ 108 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID]; 109 ik.ik_keytsc = wk->wk_keytsc; 110 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 111 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 112 memcpy(ik.ik_keydata+wk->wk_keylen, 113 wk->wk_key + IEEE80211_KEYBUF_SIZE, 114 IEEE80211_MICBUF_SIZE); 115 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 116 } 117 } else { 118 ik.ik_keyrsc = 0; 119 ik.ik_keytsc = 0; 120 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 121 } 122 if (ni != NULL) 123 ieee80211_free_node(ni); 124 return copyout(&ik, ireq->i_data, sizeof(ik)); 125 } 126 127 static __noinline int 128 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 129 { 130 struct ieee80211com *ic = vap->iv_ic; 131 132 if (sizeof(ic->ic_chan_active) < ireq->i_len) 133 ireq->i_len = sizeof(ic->ic_chan_active); 134 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); 135 } 136 137 static __noinline int 138 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 139 { 140 struct ieee80211com *ic = vap->iv_ic; 141 uint32_t space; 142 143 space = __offsetof(struct ieee80211req_chaninfo, 144 ic_chans[ic->ic_nchans]); 145 if (space > ireq->i_len) 146 space = ireq->i_len; 147 /* XXX assumes compatible layout */ 148 return copyout(&ic->ic_nchans, ireq->i_data, space); 149 } 150 151 static __noinline int 152 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap, 153 struct ieee80211req *ireq, int req) 154 { 155 struct ieee80211_node *ni; 156 struct ieee80211req_wpaie2 wpaie; 157 int error; 158 159 if (ireq->i_len < IEEE80211_ADDR_LEN) 160 return EINVAL; 161 error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN); 162 if (error != 0) 163 return error; 164 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie.wpa_macaddr); 165 if (ni == NULL) 166 return ENOENT; 167 memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie)); 168 if (ni->ni_ies.wpa_ie != NULL) { 169 int ielen = ni->ni_ies.wpa_ie[1] + 2; 170 if (ielen > sizeof(wpaie.wpa_ie)) 171 ielen = sizeof(wpaie.wpa_ie); 172 memcpy(wpaie.wpa_ie, ni->ni_ies.wpa_ie, ielen); 173 } 174 if (req == IEEE80211_IOC_WPAIE2) { 175 memset(wpaie.rsn_ie, 0, sizeof(wpaie.rsn_ie)); 176 if (ni->ni_ies.rsn_ie != NULL) { 177 int ielen = ni->ni_ies.rsn_ie[1] + 2; 178 if (ielen > sizeof(wpaie.rsn_ie)) 179 ielen = sizeof(wpaie.rsn_ie); 180 memcpy(wpaie.rsn_ie, ni->ni_ies.rsn_ie, ielen); 181 } 182 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2)) 183 ireq->i_len = sizeof(struct ieee80211req_wpaie2); 184 } else { 185 /* compatibility op, may overwrite wpa ie */ 186 /* XXX check ic_flags? */ 187 if (ni->ni_ies.rsn_ie != NULL) { 188 int ielen = ni->ni_ies.rsn_ie[1] + 2; 189 if (ielen > sizeof(wpaie.wpa_ie)) 190 ielen = sizeof(wpaie.wpa_ie); 191 memcpy(wpaie.wpa_ie, ni->ni_ies.rsn_ie, ielen); 192 } 193 if (ireq->i_len > sizeof(struct ieee80211req_wpaie)) 194 ireq->i_len = sizeof(struct ieee80211req_wpaie); 195 } 196 ieee80211_free_node(ni); 197 return copyout(&wpaie, ireq->i_data, ireq->i_len); 198 } 199 200 static __noinline int 201 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 202 { 203 struct ieee80211_node *ni; 204 uint8_t macaddr[IEEE80211_ADDR_LEN]; 205 const size_t off = __offsetof(struct ieee80211req_sta_stats, is_stats); 206 int error; 207 208 if (ireq->i_len < off) 209 return EINVAL; 210 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 211 if (error != 0) 212 return error; 213 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 214 if (ni == NULL) 215 return ENOENT; 216 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 217 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 218 /* NB: copy out only the statistics */ 219 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off, 220 ireq->i_len - off); 221 ieee80211_free_node(ni); 222 return error; 223 } 224 225 struct scanreq { 226 struct ieee80211req_scan_result *sr; 227 size_t space; 228 }; 229 230 static size_t 231 scan_space(const struct ieee80211_scan_entry *se, int *ielen) 232 { 233 size_t len; 234 235 *ielen = se->se_ies.len; 236 /* 237 * NB: ie's can be no more than 255 bytes and the max 802.11 238 * packet is <3Kbytes so we are sure this doesn't overflow 239 * 16-bits; if this is a concern we can drop the ie's. 240 */ 241 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + 242 se->se_meshid[1] + *ielen; 243 return roundup(len, sizeof(uint32_t)); 244 } 245 246 static void 247 get_scan_space(void *arg, const struct ieee80211_scan_entry *se) 248 { 249 struct scanreq *req = arg; 250 int ielen; 251 252 req->space += scan_space(se, &ielen); 253 } 254 255 static __noinline void 256 get_scan_result(void *arg, const struct ieee80211_scan_entry *se) 257 { 258 struct scanreq *req = arg; 259 struct ieee80211req_scan_result *sr; 260 int ielen, len, nr, nxr; 261 uint8_t *cp; 262 263 len = scan_space(se, &ielen); 264 if (len > req->space) 265 return; 266 267 sr = req->sr; 268 KASSERT(len <= 65535 && ielen <= 65535, 269 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen)); 270 sr->isr_len = len; 271 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result); 272 sr->isr_ie_len = ielen; 273 sr->isr_freq = se->se_chan->ic_freq; 274 sr->isr_flags = se->se_chan->ic_flags; 275 sr->isr_rssi = se->se_rssi; 276 sr->isr_noise = se->se_noise; 277 sr->isr_intval = se->se_intval; 278 sr->isr_capinfo = se->se_capinfo; 279 sr->isr_erp = se->se_erp; 280 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid); 281 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE); 282 memcpy(sr->isr_rates, se->se_rates+2, nr); 283 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr); 284 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr); 285 sr->isr_nrates = nr + nxr; 286 287 /* copy SSID */ 288 sr->isr_ssid_len = se->se_ssid[1]; 289 cp = ((uint8_t *)sr) + sr->isr_ie_off; 290 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len); 291 292 /* copy mesh id */ 293 cp += sr->isr_ssid_len; 294 sr->isr_meshid_len = se->se_meshid[1]; 295 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len); 296 cp += sr->isr_meshid_len; 297 298 if (ielen) 299 memcpy(cp, se->se_ies.data, ielen); 300 301 req->space -= len; 302 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len); 303 } 304 305 static __noinline int 306 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap, 307 struct ieee80211req *ireq) 308 { 309 struct scanreq req; 310 int error; 311 312 if (ireq->i_len < sizeof(struct scanreq)) 313 return EFAULT; 314 315 error = 0; 316 req.space = 0; 317 ieee80211_scan_iterate(vap, get_scan_space, &req); 318 if (req.space > ireq->i_len) 319 req.space = ireq->i_len; 320 if (req.space > 0) { 321 uint32_t space; 322 void *p; 323 324 space = req.space; 325 /* XXX M_WAITOK after driver lock released */ 326 p = IEEE80211_MALLOC(space, M_TEMP, 327 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 328 if (p == NULL) 329 return ENOMEM; 330 req.sr = p; 331 ieee80211_scan_iterate(vap, get_scan_result, &req); 332 ireq->i_len = space - req.space; 333 error = copyout(p, ireq->i_data, ireq->i_len); 334 IEEE80211_FREE(p, M_TEMP); 335 } else 336 ireq->i_len = 0; 337 338 return error; 339 } 340 341 struct stainforeq { 342 struct ieee80211vap *vap; 343 struct ieee80211req_sta_info *si; 344 size_t space; 345 }; 346 347 static size_t 348 sta_space(const struct ieee80211_node *ni, size_t *ielen) 349 { 350 *ielen = ni->ni_ies.len; 351 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, 352 sizeof(uint32_t)); 353 } 354 355 static void 356 get_sta_space(void *arg, struct ieee80211_node *ni) 357 { 358 struct stainforeq *req = arg; 359 size_t ielen; 360 361 if (req->vap != ni->ni_vap) 362 return; 363 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP && 364 ni->ni_associd == 0) /* only associated stations */ 365 return; 366 req->space += sta_space(ni, &ielen); 367 } 368 369 static __noinline void 370 get_sta_info(void *arg, struct ieee80211_node *ni) 371 { 372 struct stainforeq *req = arg; 373 struct ieee80211vap *vap = ni->ni_vap; 374 struct ieee80211req_sta_info *si; 375 size_t ielen, len; 376 uint8_t *cp; 377 378 if (req->vap != ni->ni_vap) 379 return; 380 if (vap->iv_opmode == IEEE80211_M_HOSTAP && 381 ni->ni_associd == 0) /* only associated stations */ 382 return; 383 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 384 return; 385 len = sta_space(ni, &ielen); 386 if (len > req->space) 387 return; 388 si = req->si; 389 si->isi_len = len; 390 si->isi_ie_off = sizeof(struct ieee80211req_sta_info); 391 si->isi_ie_len = ielen; 392 si->isi_freq = ni->ni_chan->ic_freq; 393 si->isi_flags = ni->ni_chan->ic_flags; 394 si->isi_state = ni->ni_flags; 395 si->isi_authmode = ni->ni_authmode; 396 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise); 397 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo); 398 si->isi_capinfo = ni->ni_capinfo; 399 si->isi_erp = ni->ni_erp; 400 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 401 si->isi_nrates = ni->ni_rates.rs_nrates; 402 if (si->isi_nrates > 15) 403 si->isi_nrates = 15; 404 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 405 si->isi_txrate = ni->ni_txrate; 406 if (si->isi_txrate & IEEE80211_RATE_MCS) { 407 const struct ieee80211_mcs_rates *mcs = 408 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS]; 409 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) { 410 if (ni->ni_flags & IEEE80211_NODE_SGI40) 411 si->isi_txmbps = mcs->ht40_rate_800ns; 412 else 413 si->isi_txmbps = mcs->ht40_rate_400ns; 414 } else { 415 if (ni->ni_flags & IEEE80211_NODE_SGI20) 416 si->isi_txmbps = mcs->ht20_rate_800ns; 417 else 418 si->isi_txmbps = mcs->ht20_rate_400ns; 419 } 420 } else 421 si->isi_txmbps = si->isi_txrate; 422 si->isi_associd = ni->ni_associd; 423 si->isi_txpower = ni->ni_txpower; 424 si->isi_vlan = ni->ni_vlan; 425 if (ni->ni_flags & IEEE80211_NODE_QOS) { 426 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 427 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 428 } else { 429 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID]; 430 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID]; 431 } 432 /* NB: leave all cases in case we relax ni_associd == 0 check */ 433 if (ieee80211_node_is_authorized(ni)) 434 si->isi_inact = vap->iv_inact_run; 435 else if (ni->ni_associd != 0 || 436 (vap->iv_opmode == IEEE80211_M_WDS && 437 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY))) 438 si->isi_inact = vap->iv_inact_auth; 439 else 440 si->isi_inact = vap->iv_inact_init; 441 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 442 si->isi_localid = ni->ni_mllid; 443 si->isi_peerid = ni->ni_mlpid; 444 si->isi_peerstate = ni->ni_mlstate; 445 446 if (ielen) { 447 cp = ((uint8_t *)si) + si->isi_ie_off; 448 memcpy(cp, ni->ni_ies.data, ielen); 449 } 450 451 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len); 452 req->space -= len; 453 } 454 455 static __noinline int 456 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq, 457 struct ieee80211_node *ni, size_t off) 458 { 459 struct ieee80211com *ic = vap->iv_ic; 460 struct stainforeq req; 461 size_t space; 462 void *p; 463 int error; 464 465 error = 0; 466 req.space = 0; 467 req.vap = vap; 468 if (ni == NULL) 469 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req); 470 else 471 get_sta_space(&req, ni); 472 if (req.space > ireq->i_len) 473 req.space = ireq->i_len; 474 if (req.space > 0) { 475 space = req.space; 476 /* XXX M_WAITOK after driver lock released */ 477 p = IEEE80211_MALLOC(space, M_TEMP, 478 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 479 if (p == NULL) { 480 error = ENOMEM; 481 goto bad; 482 } 483 req.si = p; 484 if (ni == NULL) 485 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req); 486 else 487 get_sta_info(&req, ni); 488 ireq->i_len = space - req.space; 489 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len); 490 IEEE80211_FREE(p, M_TEMP); 491 } else 492 ireq->i_len = 0; 493 bad: 494 if (ni != NULL) 495 ieee80211_free_node(ni); 496 return error; 497 } 498 499 static __noinline int 500 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 501 { 502 uint8_t macaddr[IEEE80211_ADDR_LEN]; 503 const size_t off = __offsetof(struct ieee80211req_sta_req, info); 504 struct ieee80211_node *ni; 505 int error; 506 507 if (ireq->i_len < sizeof(struct ieee80211req_sta_req)) 508 return EFAULT; 509 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 510 if (error != 0) 511 return error; 512 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) { 513 ni = NULL; 514 } else { 515 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 516 if (ni == NULL) 517 return ENOENT; 518 } 519 return getstainfo_common(vap, ireq, ni, off); 520 } 521 522 static __noinline int 523 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 524 { 525 struct ieee80211_node *ni; 526 struct ieee80211req_sta_txpow txpow; 527 int error; 528 529 if (ireq->i_len != sizeof(txpow)) 530 return EINVAL; 531 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 532 if (error != 0) 533 return error; 534 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 535 if (ni == NULL) 536 return ENOENT; 537 txpow.it_txpow = ni->ni_txpower; 538 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 539 ieee80211_free_node(ni); 540 return error; 541 } 542 543 static __noinline int 544 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 545 { 546 struct ieee80211com *ic = vap->iv_ic; 547 struct ieee80211_wme_state *wme = &ic->ic_wme; 548 struct wmeParams *wmep; 549 int ac; 550 551 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 552 return EINVAL; 553 554 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 555 if (ac >= WME_NUM_AC) 556 ac = WME_AC_BE; 557 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 558 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 559 else 560 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 561 switch (ireq->i_type) { 562 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 563 ireq->i_val = wmep->wmep_logcwmin; 564 break; 565 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 566 ireq->i_val = wmep->wmep_logcwmax; 567 break; 568 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 569 ireq->i_val = wmep->wmep_aifsn; 570 break; 571 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 572 ireq->i_val = wmep->wmep_txopLimit; 573 break; 574 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 575 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 576 ireq->i_val = wmep->wmep_acm; 577 break; 578 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 579 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 580 ireq->i_val = !wmep->wmep_noackPolicy; 581 break; 582 } 583 return 0; 584 } 585 586 static __noinline int 587 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 588 { 589 const struct ieee80211_aclator *acl = vap->iv_acl; 590 591 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq)); 592 } 593 594 static __noinline int 595 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq) 596 { 597 struct ieee80211com *ic = vap->iv_ic; 598 struct ieee80211_channel *c; 599 600 if (ireq->i_len != sizeof(struct ieee80211_channel)) 601 return EINVAL; 602 /* 603 * vap's may have different operating channels when HT is 604 * in use. When in RUN state report the vap-specific channel. 605 * Otherwise return curchan. 606 */ 607 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 608 c = vap->iv_bss->ni_chan; 609 else 610 c = ic->ic_curchan; 611 return copyout(c, ireq->i_data, sizeof(*c)); 612 } 613 614 static int 615 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq) 616 { 617 if (aie == NULL) 618 return EINVAL; 619 /* NB: truncate, caller can check length */ 620 if (ireq->i_len > aie->ie_len) 621 ireq->i_len = aie->ie_len; 622 return copyout(aie->ie_data, ireq->i_data, ireq->i_len); 623 } 624 625 static int 626 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq) 627 { 628 uint8_t fc0; 629 630 fc0 = ireq->i_val & 0xff; 631 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 632 return EINVAL; 633 /* NB: could check iv_opmode and reject but hardly worth the effort */ 634 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 635 case IEEE80211_FC0_SUBTYPE_BEACON: 636 return getappie(vap->iv_appie_beacon, ireq); 637 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 638 return getappie(vap->iv_appie_proberesp, ireq); 639 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 640 return getappie(vap->iv_appie_assocresp, ireq); 641 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 642 return getappie(vap->iv_appie_probereq, ireq); 643 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 644 return getappie(vap->iv_appie_assocreq, ireq); 645 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP: 646 return getappie(vap->iv_appie_wpa, ireq); 647 } 648 return EINVAL; 649 } 650 651 static __noinline int 652 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap, 653 const struct ieee80211req *ireq) 654 { 655 struct ieee80211com *ic = vap->iv_ic; 656 657 if (ireq->i_len != sizeof(ic->ic_regdomain)) 658 return EINVAL; 659 return copyout(&ic->ic_regdomain, ireq->i_data, 660 sizeof(ic->ic_regdomain)); 661 } 662 663 static __noinline int 664 ieee80211_ioctl_getroam(struct ieee80211vap *vap, 665 const struct ieee80211req *ireq) 666 { 667 size_t len = ireq->i_len; 668 /* NB: accept short requests for backwards compat */ 669 if (len > sizeof(vap->iv_roamparms)) 670 len = sizeof(vap->iv_roamparms); 671 return copyout(vap->iv_roamparms, ireq->i_data, len); 672 } 673 674 static __noinline int 675 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap, 676 const struct ieee80211req *ireq) 677 { 678 size_t len = ireq->i_len; 679 /* NB: accept short requests for backwards compat */ 680 if (len > sizeof(vap->iv_txparms)) 681 len = sizeof(vap->iv_txparms); 682 return copyout(vap->iv_txparms, ireq->i_data, len); 683 } 684 685 static __noinline int 686 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic, 687 const struct ieee80211req *ireq) 688 { 689 struct ieee80211_devcaps_req *dc; 690 struct ieee80211req_chaninfo *ci; 691 int maxchans, error; 692 693 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) / 694 sizeof(struct ieee80211_channel)); 695 /* NB: require 1 so we know ic_nchans is accessible */ 696 if (maxchans < 1) 697 return EINVAL; 698 /* constrain max request size, 2K channels is ~24Kbytes */ 699 if (maxchans > 2048) 700 maxchans = 2048; 701 dc = (struct ieee80211_devcaps_req *) 702 IEEE80211_MALLOC(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, 703 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 704 if (dc == NULL) 705 return ENOMEM; 706 dc->dc_drivercaps = ic->ic_caps; 707 dc->dc_cryptocaps = ic->ic_cryptocaps; 708 dc->dc_htcaps = ic->ic_htcaps; 709 ci = &dc->dc_chaninfo; 710 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans); 711 KASSERT(ci->ic_nchans <= maxchans, 712 ("nchans %d maxchans %d", ci->ic_nchans, maxchans)); 713 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans); 714 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc)); 715 IEEE80211_FREE(dc, M_TEMP); 716 return error; 717 } 718 719 static __noinline int 720 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 721 { 722 struct ieee80211_node *ni; 723 struct ieee80211req_sta_vlan vlan; 724 int error; 725 726 if (ireq->i_len != sizeof(vlan)) 727 return EINVAL; 728 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 729 if (error != 0) 730 return error; 731 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 732 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 733 vlan.sv_macaddr); 734 if (ni == NULL) 735 return ENOENT; 736 } else 737 ni = ieee80211_ref_node(vap->iv_bss); 738 vlan.sv_vlan = ni->ni_vlan; 739 error = copyout(&vlan, ireq->i_data, sizeof(vlan)); 740 ieee80211_free_node(ni); 741 return error; 742 } 743 744 /* 745 * Dummy ioctl get handler so the linker set is defined. 746 */ 747 static int 748 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq) 749 { 750 return ENOSYS; 751 } 752 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get); 753 754 static int 755 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 756 { 757 ieee80211_ioctl_getfunc * const *get; 758 int error; 759 760 SET_FOREACH(get, ieee80211_ioctl_getset) { 761 error = (*get)(vap, ireq); 762 if (error != ENOSYS) 763 return error; 764 } 765 return EINVAL; 766 } 767 768 /* 769 * When building the kernel with -O2 on the i386 architecture, gcc 770 * seems to want to inline this function into ieee80211_ioctl() 771 * (which is the only routine that calls it). When this happens, 772 * ieee80211_ioctl() ends up consuming an additional 2K of stack 773 * space. (Exactly why it needs so much is unclear.) The problem 774 * is that it's possible for ieee80211_ioctl() to invoke other 775 * routines (including driver init functions) which could then find 776 * themselves perilously close to exhausting the stack. 777 * 778 * To avoid this, we deliberately prevent gcc from inlining this 779 * routine. Another way to avoid this is to use less agressive 780 * optimization when compiling this file (i.e. -O instead of -O2) 781 * but special-casing the compilation of this one module in the 782 * build system would be awkward. 783 */ 784 static __noinline int 785 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd, 786 struct ieee80211req *ireq) 787 { 788 #define MS(_v, _f) (((_v) & _f) >> _f##_S) 789 struct ieee80211com *ic = vap->iv_ic; 790 u_int kid, len; 791 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 792 char tmpssid[IEEE80211_NWID_LEN]; 793 int error = 0; 794 795 switch (ireq->i_type) { 796 case IEEE80211_IOC_SSID: 797 switch (vap->iv_state) { 798 case IEEE80211_S_INIT: 799 case IEEE80211_S_SCAN: 800 ireq->i_len = vap->iv_des_ssid[0].len; 801 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); 802 break; 803 default: 804 ireq->i_len = vap->iv_bss->ni_esslen; 805 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); 806 break; 807 } 808 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 809 break; 810 case IEEE80211_IOC_NUMSSIDS: 811 ireq->i_val = 1; 812 break; 813 case IEEE80211_IOC_WEP: 814 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 815 ireq->i_val = IEEE80211_WEP_OFF; 816 else if (vap->iv_flags & IEEE80211_F_DROPUNENC) 817 ireq->i_val = IEEE80211_WEP_ON; 818 else 819 ireq->i_val = IEEE80211_WEP_MIXED; 820 break; 821 case IEEE80211_IOC_WEPKEY: 822 kid = (u_int) ireq->i_val; 823 if (kid >= IEEE80211_WEP_NKID) 824 return EINVAL; 825 len = (u_int) vap->iv_nw_keys[kid].wk_keylen; 826 /* NB: only root can read WEP keys */ 827 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 828 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); 829 } else { 830 bzero(tmpkey, len); 831 } 832 ireq->i_len = len; 833 error = copyout(tmpkey, ireq->i_data, len); 834 break; 835 case IEEE80211_IOC_NUMWEPKEYS: 836 ireq->i_val = IEEE80211_WEP_NKID; 837 break; 838 case IEEE80211_IOC_WEPTXKEY: 839 ireq->i_val = vap->iv_def_txkey; 840 break; 841 case IEEE80211_IOC_AUTHMODE: 842 if (vap->iv_flags & IEEE80211_F_WPA) 843 ireq->i_val = IEEE80211_AUTH_WPA; 844 else 845 ireq->i_val = vap->iv_bss->ni_authmode; 846 break; 847 case IEEE80211_IOC_CHANNEL: 848 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 849 break; 850 case IEEE80211_IOC_POWERSAVE: 851 if (vap->iv_flags & IEEE80211_F_PMGTON) 852 ireq->i_val = IEEE80211_POWERSAVE_ON; 853 else 854 ireq->i_val = IEEE80211_POWERSAVE_OFF; 855 break; 856 case IEEE80211_IOC_POWERSAVESLEEP: 857 ireq->i_val = ic->ic_lintval; 858 break; 859 case IEEE80211_IOC_RTSTHRESHOLD: 860 ireq->i_val = vap->iv_rtsthreshold; 861 break; 862 case IEEE80211_IOC_PROTMODE: 863 ireq->i_val = ic->ic_protmode; 864 break; 865 case IEEE80211_IOC_TXPOWER: 866 /* 867 * Tx power limit is the min of max regulatory 868 * power, any user-set limit, and the max the 869 * radio can do. 870 */ 871 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; 872 if (ireq->i_val > ic->ic_txpowlimit) 873 ireq->i_val = ic->ic_txpowlimit; 874 if (ireq->i_val > ic->ic_curchan->ic_maxpower) 875 ireq->i_val = ic->ic_curchan->ic_maxpower; 876 break; 877 case IEEE80211_IOC_WPA: 878 switch (vap->iv_flags & IEEE80211_F_WPA) { 879 case IEEE80211_F_WPA1: 880 ireq->i_val = 1; 881 break; 882 case IEEE80211_F_WPA2: 883 ireq->i_val = 2; 884 break; 885 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 886 ireq->i_val = 3; 887 break; 888 default: 889 ireq->i_val = 0; 890 break; 891 } 892 break; 893 case IEEE80211_IOC_CHANLIST: 894 error = ieee80211_ioctl_getchanlist(vap, ireq); 895 break; 896 case IEEE80211_IOC_ROAMING: 897 ireq->i_val = vap->iv_roaming; 898 break; 899 case IEEE80211_IOC_PRIVACY: 900 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; 901 break; 902 case IEEE80211_IOC_DROPUNENCRYPTED: 903 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; 904 break; 905 case IEEE80211_IOC_COUNTERMEASURES: 906 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; 907 break; 908 case IEEE80211_IOC_WME: 909 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; 910 break; 911 case IEEE80211_IOC_HIDESSID: 912 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; 913 break; 914 case IEEE80211_IOC_APBRIDGE: 915 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; 916 break; 917 case IEEE80211_IOC_WPAKEY: 918 error = ieee80211_ioctl_getkey(vap, ireq); 919 break; 920 case IEEE80211_IOC_CHANINFO: 921 error = ieee80211_ioctl_getchaninfo(vap, ireq); 922 break; 923 case IEEE80211_IOC_BSSID: 924 if (ireq->i_len != IEEE80211_ADDR_LEN) 925 return EINVAL; 926 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) { 927 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ? 928 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid, 929 ireq->i_data, ireq->i_len); 930 } else 931 error = copyout(vap->iv_des_bssid, ireq->i_data, 932 ireq->i_len); 933 break; 934 case IEEE80211_IOC_WPAIE: 935 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 936 break; 937 case IEEE80211_IOC_WPAIE2: 938 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 939 break; 940 case IEEE80211_IOC_SCAN_RESULTS: 941 error = ieee80211_ioctl_getscanresults(vap, ireq); 942 break; 943 case IEEE80211_IOC_STA_STATS: 944 error = ieee80211_ioctl_getstastats(vap, ireq); 945 break; 946 case IEEE80211_IOC_TXPOWMAX: 947 ireq->i_val = vap->iv_bss->ni_txpower; 948 break; 949 case IEEE80211_IOC_STA_TXPOW: 950 error = ieee80211_ioctl_getstatxpow(vap, ireq); 951 break; 952 case IEEE80211_IOC_STA_INFO: 953 error = ieee80211_ioctl_getstainfo(vap, ireq); 954 break; 955 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 956 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 957 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 958 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 959 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 960 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 961 error = ieee80211_ioctl_getwmeparam(vap, ireq); 962 break; 963 case IEEE80211_IOC_DTIM_PERIOD: 964 ireq->i_val = vap->iv_dtim_period; 965 break; 966 case IEEE80211_IOC_BEACON_INTERVAL: 967 /* NB: get from ic_bss for station mode */ 968 ireq->i_val = vap->iv_bss->ni_intval; 969 break; 970 case IEEE80211_IOC_PUREG: 971 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; 972 break; 973 case IEEE80211_IOC_QUIET: 974 ireq->i_val = vap->iv_quiet; 975 break; 976 case IEEE80211_IOC_QUIET_COUNT: 977 ireq->i_val = vap->iv_quiet_count; 978 break; 979 case IEEE80211_IOC_QUIET_PERIOD: 980 ireq->i_val = vap->iv_quiet_period; 981 break; 982 case IEEE80211_IOC_QUIET_DUR: 983 ireq->i_val = vap->iv_quiet_duration; 984 break; 985 case IEEE80211_IOC_QUIET_OFFSET: 986 ireq->i_val = vap->iv_quiet_offset; 987 break; 988 case IEEE80211_IOC_BGSCAN: 989 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 990 break; 991 case IEEE80211_IOC_BGSCAN_IDLE: 992 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 993 break; 994 case IEEE80211_IOC_BGSCAN_INTERVAL: 995 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 996 break; 997 case IEEE80211_IOC_SCANVALID: 998 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 999 break; 1000 case IEEE80211_IOC_FRAGTHRESHOLD: 1001 ireq->i_val = vap->iv_fragthreshold; 1002 break; 1003 case IEEE80211_IOC_MACCMD: 1004 error = ieee80211_ioctl_getmaccmd(vap, ireq); 1005 break; 1006 case IEEE80211_IOC_BURST: 1007 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 1008 break; 1009 case IEEE80211_IOC_BMISSTHRESHOLD: 1010 ireq->i_val = vap->iv_bmissthreshold; 1011 break; 1012 case IEEE80211_IOC_CURCHAN: 1013 error = ieee80211_ioctl_getcurchan(vap, ireq); 1014 break; 1015 case IEEE80211_IOC_SHORTGI: 1016 ireq->i_val = 0; 1017 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) 1018 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 1019 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) 1020 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 1021 break; 1022 case IEEE80211_IOC_AMPDU: 1023 ireq->i_val = 0; 1024 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) 1025 ireq->i_val |= 1; 1026 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) 1027 ireq->i_val |= 2; 1028 break; 1029 case IEEE80211_IOC_AMPDU_LIMIT: 1030 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1031 ireq->i_val = vap->iv_ampdu_rxmax; 1032 else if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 1033 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1034 IEEE80211_HTCAP_MAXRXAMPDU); 1035 else 1036 ireq->i_val = vap->iv_ampdu_limit; 1037 break; 1038 case IEEE80211_IOC_AMPDU_DENSITY: 1039 if (vap->iv_opmode == IEEE80211_M_STA && 1040 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1041 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1042 IEEE80211_HTCAP_MPDUDENSITY); 1043 else 1044 ireq->i_val = vap->iv_ampdu_density; 1045 break; 1046 case IEEE80211_IOC_AMSDU: 1047 ireq->i_val = 0; 1048 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) 1049 ireq->i_val |= 1; 1050 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) 1051 ireq->i_val |= 2; 1052 break; 1053 case IEEE80211_IOC_AMSDU_LIMIT: 1054 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1055 break; 1056 case IEEE80211_IOC_PUREN: 1057 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; 1058 break; 1059 case IEEE80211_IOC_DOTH: 1060 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1061 break; 1062 case IEEE80211_IOC_REGDOMAIN: 1063 error = ieee80211_ioctl_getregdomain(vap, ireq); 1064 break; 1065 case IEEE80211_IOC_ROAM: 1066 error = ieee80211_ioctl_getroam(vap, ireq); 1067 break; 1068 case IEEE80211_IOC_TXPARAMS: 1069 error = ieee80211_ioctl_gettxparams(vap, ireq); 1070 break; 1071 case IEEE80211_IOC_HTCOMPAT: 1072 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; 1073 break; 1074 case IEEE80211_IOC_DWDS: 1075 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1076 break; 1077 case IEEE80211_IOC_INACTIVITY: 1078 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1079 break; 1080 case IEEE80211_IOC_APPIE: 1081 error = ieee80211_ioctl_getappie(vap, ireq); 1082 break; 1083 case IEEE80211_IOC_WPS: 1084 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1085 break; 1086 case IEEE80211_IOC_TSN: 1087 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1088 break; 1089 case IEEE80211_IOC_DFS: 1090 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1091 break; 1092 case IEEE80211_IOC_DOTD: 1093 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1094 break; 1095 case IEEE80211_IOC_DEVCAPS: 1096 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1097 break; 1098 case IEEE80211_IOC_HTPROTMODE: 1099 ireq->i_val = ic->ic_htprotmode; 1100 break; 1101 case IEEE80211_IOC_HTCONF: 1102 if (vap->iv_flags_ht & IEEE80211_FHT_HT) { 1103 ireq->i_val = 1; 1104 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) 1105 ireq->i_val |= 2; 1106 } else 1107 ireq->i_val = 0; 1108 break; 1109 case IEEE80211_IOC_STA_VLAN: 1110 error = ieee80211_ioctl_getstavlan(vap, ireq); 1111 break; 1112 case IEEE80211_IOC_SMPS: 1113 if (vap->iv_opmode == IEEE80211_M_STA && 1114 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) { 1115 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1116 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1117 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1118 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1119 else 1120 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1121 } else 1122 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1123 break; 1124 case IEEE80211_IOC_RIFS: 1125 if (vap->iv_opmode == IEEE80211_M_STA && 1126 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1127 ireq->i_val = 1128 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1129 else 1130 ireq->i_val = 1131 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; 1132 break; 1133 default: 1134 error = ieee80211_ioctl_getdefault(vap, ireq); 1135 break; 1136 } 1137 return error; 1138 #undef MS 1139 } 1140 1141 static __noinline int 1142 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1143 { 1144 struct ieee80211req_key ik; 1145 struct ieee80211_node *ni; 1146 struct ieee80211_key *wk; 1147 uint16_t kid; 1148 int error, i; 1149 1150 if (ireq->i_len != sizeof(ik)) 1151 return EINVAL; 1152 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1153 if (error) 1154 return error; 1155 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1156 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1157 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1158 return E2BIG; 1159 kid = ik.ik_keyix; 1160 if (kid == IEEE80211_KEYIX_NONE) { 1161 /* XXX unicast keys currently must be tx/rx */ 1162 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1163 return EINVAL; 1164 if (vap->iv_opmode == IEEE80211_M_STA) { 1165 ni = ieee80211_ref_node(vap->iv_bss); 1166 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1167 ieee80211_free_node(ni); 1168 return EADDRNOTAVAIL; 1169 } 1170 } else { 1171 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1172 ik.ik_macaddr); 1173 if (ni == NULL) 1174 return ENOENT; 1175 } 1176 wk = &ni->ni_ucastkey; 1177 } else { 1178 if (kid >= IEEE80211_WEP_NKID) 1179 return EINVAL; 1180 wk = &vap->iv_nw_keys[kid]; 1181 /* 1182 * Global slots start off w/o any assigned key index. 1183 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1184 */ 1185 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1186 wk->wk_keyix = kid; 1187 ni = NULL; 1188 } 1189 error = 0; 1190 ieee80211_key_update_begin(vap); 1191 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1192 wk->wk_keylen = ik.ik_keylen; 1193 /* NB: MIC presence is implied by cipher type */ 1194 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1195 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1196 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1197 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1198 wk->wk_keytsc = 0; /* new key, reset */ 1199 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1200 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1201 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1202 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1203 if (!ieee80211_crypto_setkey(vap, wk)) 1204 error = EIO; 1205 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1206 vap->iv_def_txkey = kid; 1207 } else 1208 error = ENXIO; 1209 ieee80211_key_update_end(vap); 1210 if (ni != NULL) 1211 ieee80211_free_node(ni); 1212 return error; 1213 } 1214 1215 static __noinline int 1216 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1217 { 1218 struct ieee80211req_del_key dk; 1219 int kid, error; 1220 1221 if (ireq->i_len != sizeof(dk)) 1222 return EINVAL; 1223 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1224 if (error) 1225 return error; 1226 kid = dk.idk_keyix; 1227 /* XXX uint8_t -> uint16_t */ 1228 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1229 struct ieee80211_node *ni; 1230 1231 if (vap->iv_opmode == IEEE80211_M_STA) { 1232 ni = ieee80211_ref_node(vap->iv_bss); 1233 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1234 ieee80211_free_node(ni); 1235 return EADDRNOTAVAIL; 1236 } 1237 } else { 1238 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1239 dk.idk_macaddr); 1240 if (ni == NULL) 1241 return ENOENT; 1242 } 1243 /* XXX error return */ 1244 ieee80211_node_delucastkey(ni); 1245 ieee80211_free_node(ni); 1246 } else { 1247 if (kid >= IEEE80211_WEP_NKID) 1248 return EINVAL; 1249 /* XXX error return */ 1250 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1251 } 1252 return 0; 1253 } 1254 1255 struct mlmeop { 1256 struct ieee80211vap *vap; 1257 int op; 1258 int reason; 1259 }; 1260 1261 static void 1262 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1263 int op, int reason) 1264 { 1265 #ifdef IEEE80211_DEBUG 1266 static const struct { 1267 int mask; 1268 const char *opstr; 1269 } ops[] = { 1270 { 0, "op#0" }, 1271 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1272 IEEE80211_MSG_ASSOC, "assoc" }, 1273 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1274 IEEE80211_MSG_ASSOC, "disassoc" }, 1275 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1276 IEEE80211_MSG_AUTH, "deauth" }, 1277 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1278 IEEE80211_MSG_AUTH, "authorize" }, 1279 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1280 IEEE80211_MSG_AUTH, "unauthorize" }, 1281 }; 1282 1283 if (op == IEEE80211_MLME_AUTH) { 1284 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1285 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1286 "station authenticate %s via MLME (reason %d)", 1287 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1288 reason); 1289 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1290 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1291 "unknown MLME request %d (reason %d)", op, reason); 1292 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1293 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1294 "station %s via MLME", ops[op].opstr); 1295 } else { 1296 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1297 "station %s via MLME (reason %d)", ops[op].opstr, reason); 1298 } 1299 #endif /* IEEE80211_DEBUG */ 1300 } 1301 1302 static void 1303 domlme(void *arg, struct ieee80211_node *ni) 1304 { 1305 struct mlmeop *mop = arg; 1306 struct ieee80211vap *vap = ni->ni_vap; 1307 1308 if (vap != mop->vap) 1309 return; 1310 /* 1311 * NB: if ni_associd is zero then the node is already cleaned 1312 * up and we don't need to do this (we're safely holding a 1313 * reference but should otherwise not modify it's state). 1314 */ 1315 if (ni->ni_associd == 0) 1316 return; 1317 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1318 if (mop->op == IEEE80211_MLME_DEAUTH) { 1319 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1320 mop->reason); 1321 } else { 1322 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1323 mop->reason); 1324 } 1325 ieee80211_node_leave(ni); 1326 } 1327 1328 static int 1329 setmlme_dropsta(struct ieee80211vap *vap, 1330 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1331 { 1332 struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta; 1333 struct ieee80211_node *ni; 1334 int error = 0; 1335 1336 /* NB: the broadcast address means do 'em all */ 1337 if (!IEEE80211_ADDR_EQ(mac, vap->iv_ifp->if_broadcastaddr)) { 1338 IEEE80211_NODE_LOCK(nt); 1339 ni = ieee80211_find_node_locked(nt, mac); 1340 IEEE80211_NODE_UNLOCK(nt); 1341 /* 1342 * Don't do the node update inside the node 1343 * table lock. This unfortunately causes LORs 1344 * with drivers and their TX paths. 1345 */ 1346 if (ni != NULL) { 1347 domlme(mlmeop, ni); 1348 ieee80211_free_node(ni); 1349 } else 1350 error = ENOENT; 1351 } else { 1352 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1353 } 1354 return error; 1355 } 1356 1357 static __noinline int 1358 setmlme_common(struct ieee80211vap *vap, int op, 1359 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1360 { 1361 struct ieee80211com *ic = vap->iv_ic; 1362 struct ieee80211_node_table *nt = &ic->ic_sta; 1363 struct ieee80211_node *ni; 1364 struct mlmeop mlmeop; 1365 int error; 1366 1367 error = 0; 1368 switch (op) { 1369 case IEEE80211_MLME_DISASSOC: 1370 case IEEE80211_MLME_DEAUTH: 1371 switch (vap->iv_opmode) { 1372 case IEEE80211_M_STA: 1373 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1374 /* XXX not quite right */ 1375 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1376 break; 1377 case IEEE80211_M_HOSTAP: 1378 mlmeop.vap = vap; 1379 mlmeop.op = op; 1380 mlmeop.reason = reason; 1381 error = setmlme_dropsta(vap, mac, &mlmeop); 1382 break; 1383 case IEEE80211_M_WDS: 1384 /* XXX user app should send raw frame? */ 1385 if (op != IEEE80211_MLME_DEAUTH) { 1386 error = EINVAL; 1387 break; 1388 } 1389 #if 0 1390 /* XXX accept any address, simplifies user code */ 1391 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1392 error = EINVAL; 1393 break; 1394 } 1395 #endif 1396 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1397 ni = ieee80211_ref_node(vap->iv_bss); 1398 IEEE80211_SEND_MGMT(ni, 1399 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1400 ieee80211_free_node(ni); 1401 break; 1402 case IEEE80211_M_MBSS: 1403 IEEE80211_NODE_LOCK(nt); 1404 ni = ieee80211_find_node_locked(nt, mac); 1405 /* 1406 * Don't do the node update inside the node 1407 * table lock. This unfortunately causes LORs 1408 * with drivers and their TX paths. 1409 */ 1410 IEEE80211_NODE_UNLOCK(nt); 1411 if (ni != NULL) { 1412 ieee80211_node_leave(ni); 1413 ieee80211_free_node(ni); 1414 } else { 1415 error = ENOENT; 1416 } 1417 break; 1418 default: 1419 error = EINVAL; 1420 break; 1421 } 1422 break; 1423 case IEEE80211_MLME_AUTHORIZE: 1424 case IEEE80211_MLME_UNAUTHORIZE: 1425 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1426 vap->iv_opmode != IEEE80211_M_WDS) { 1427 error = EINVAL; 1428 break; 1429 } 1430 IEEE80211_NODE_LOCK(nt); 1431 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1432 /* 1433 * Don't do the node update inside the node 1434 * table lock. This unfortunately causes LORs 1435 * with drivers and their TX paths. 1436 */ 1437 IEEE80211_NODE_UNLOCK(nt); 1438 if (ni != NULL) { 1439 mlmedebug(vap, mac, op, reason); 1440 if (op == IEEE80211_MLME_AUTHORIZE) 1441 ieee80211_node_authorize(ni); 1442 else 1443 ieee80211_node_unauthorize(ni); 1444 ieee80211_free_node(ni); 1445 } else 1446 error = ENOENT; 1447 break; 1448 case IEEE80211_MLME_AUTH: 1449 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1450 error = EINVAL; 1451 break; 1452 } 1453 IEEE80211_NODE_LOCK(nt); 1454 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1455 /* 1456 * Don't do the node update inside the node 1457 * table lock. This unfortunately causes LORs 1458 * with drivers and their TX paths. 1459 */ 1460 IEEE80211_NODE_UNLOCK(nt); 1461 if (ni != NULL) { 1462 mlmedebug(vap, mac, op, reason); 1463 if (reason == IEEE80211_STATUS_SUCCESS) { 1464 IEEE80211_SEND_MGMT(ni, 1465 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1466 /* 1467 * For shared key auth, just continue the 1468 * exchange. Otherwise when 802.1x is not in 1469 * use mark the port authorized at this point 1470 * so traffic can flow. 1471 */ 1472 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1473 ni->ni_challenge == NULL) 1474 ieee80211_node_authorize(ni); 1475 } else { 1476 vap->iv_stats.is_rx_acl++; 1477 ieee80211_send_error(ni, ni->ni_macaddr, 1478 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1479 ieee80211_node_leave(ni); 1480 } 1481 ieee80211_free_node(ni); 1482 } else 1483 error = ENOENT; 1484 break; 1485 default: 1486 error = EINVAL; 1487 break; 1488 } 1489 return error; 1490 } 1491 1492 struct scanlookup { 1493 const uint8_t *mac; 1494 int esslen; 1495 const uint8_t *essid; 1496 const struct ieee80211_scan_entry *se; 1497 }; 1498 1499 /* 1500 * Match mac address and any ssid. 1501 */ 1502 static void 1503 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1504 { 1505 struct scanlookup *look = arg; 1506 1507 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1508 return; 1509 if (look->esslen != 0) { 1510 if (se->se_ssid[1] != look->esslen) 1511 return; 1512 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1513 return; 1514 } 1515 look->se = se; 1516 } 1517 1518 static __noinline int 1519 setmlme_assoc_sta(struct ieee80211vap *vap, 1520 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1521 const uint8_t ssid[IEEE80211_NWID_LEN]) 1522 { 1523 struct scanlookup lookup; 1524 1525 KASSERT(vap->iv_opmode == IEEE80211_M_STA, 1526 ("expected opmode STA not %s", 1527 ieee80211_opmode_name[vap->iv_opmode])); 1528 1529 /* NB: this is racey if roaming is !manual */ 1530 lookup.se = NULL; 1531 lookup.mac = mac; 1532 lookup.esslen = ssid_len; 1533 lookup.essid = ssid; 1534 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1535 if (lookup.se == NULL) 1536 return ENOENT; 1537 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1538 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1539 return EIO; /* XXX unique but could be better */ 1540 return 0; 1541 } 1542 1543 static __noinline int 1544 setmlme_assoc_adhoc(struct ieee80211vap *vap, 1545 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1546 const uint8_t ssid[IEEE80211_NWID_LEN]) 1547 { 1548 struct ieee80211_scan_req sr; 1549 1550 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS || 1551 vap->iv_opmode == IEEE80211_M_AHDEMO, 1552 ("expected opmode IBSS or AHDEMO not %s", 1553 ieee80211_opmode_name[vap->iv_opmode])); 1554 1555 if (ssid_len == 0) 1556 return EINVAL; 1557 1558 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */ 1559 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 1560 vap->iv_des_ssid[0].len = ssid_len; 1561 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len); 1562 vap->iv_des_nssid = 1; 1563 1564 memset(&sr, 0, sizeof(sr)); 1565 sr.sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE; 1566 sr.sr_duration = IEEE80211_IOC_SCAN_FOREVER; 1567 memcpy(sr.sr_ssid[0].ssid, ssid, ssid_len); 1568 sr.sr_ssid[0].len = ssid_len; 1569 sr.sr_nssid = 1; 1570 1571 return ieee80211_scanreq(vap, &sr); 1572 } 1573 1574 static __noinline int 1575 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1576 { 1577 struct ieee80211req_mlme mlme; 1578 int error; 1579 1580 if (ireq->i_len != sizeof(mlme)) 1581 return EINVAL; 1582 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1583 if (error) 1584 return error; 1585 if (vap->iv_opmode == IEEE80211_M_STA && 1586 mlme.im_op == IEEE80211_MLME_ASSOC) 1587 return setmlme_assoc_sta(vap, mlme.im_macaddr, 1588 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1589 else if ((vap->iv_opmode == IEEE80211_M_IBSS || 1590 vap->iv_opmode == IEEE80211_M_AHDEMO) && 1591 mlme.im_op == IEEE80211_MLME_ASSOC) 1592 return setmlme_assoc_adhoc(vap, mlme.im_macaddr, 1593 mlme.im_ssid_len, mlme.im_ssid); 1594 else 1595 return setmlme_common(vap, mlme.im_op, 1596 mlme.im_macaddr, mlme.im_reason); 1597 } 1598 1599 static __noinline int 1600 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1601 { 1602 uint8_t mac[IEEE80211_ADDR_LEN]; 1603 const struct ieee80211_aclator *acl = vap->iv_acl; 1604 int error; 1605 1606 if (ireq->i_len != sizeof(mac)) 1607 return EINVAL; 1608 error = copyin(ireq->i_data, mac, ireq->i_len); 1609 if (error) 1610 return error; 1611 if (acl == NULL) { 1612 acl = ieee80211_aclator_get("mac"); 1613 if (acl == NULL || !acl->iac_attach(vap)) 1614 return EINVAL; 1615 vap->iv_acl = acl; 1616 } 1617 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1618 acl->iac_add(vap, mac); 1619 else 1620 acl->iac_remove(vap, mac); 1621 return 0; 1622 } 1623 1624 static __noinline int 1625 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1626 { 1627 const struct ieee80211_aclator *acl = vap->iv_acl; 1628 1629 switch (ireq->i_val) { 1630 case IEEE80211_MACCMD_POLICY_OPEN: 1631 case IEEE80211_MACCMD_POLICY_ALLOW: 1632 case IEEE80211_MACCMD_POLICY_DENY: 1633 case IEEE80211_MACCMD_POLICY_RADIUS: 1634 if (acl == NULL) { 1635 acl = ieee80211_aclator_get("mac"); 1636 if (acl == NULL || !acl->iac_attach(vap)) 1637 return EINVAL; 1638 vap->iv_acl = acl; 1639 } 1640 acl->iac_setpolicy(vap, ireq->i_val); 1641 break; 1642 case IEEE80211_MACCMD_FLUSH: 1643 if (acl != NULL) 1644 acl->iac_flush(vap); 1645 /* NB: silently ignore when not in use */ 1646 break; 1647 case IEEE80211_MACCMD_DETACH: 1648 if (acl != NULL) { 1649 vap->iv_acl = NULL; 1650 acl->iac_detach(vap); 1651 } 1652 break; 1653 default: 1654 if (acl == NULL) 1655 return EINVAL; 1656 else 1657 return acl->iac_setioctl(vap, ireq); 1658 } 1659 return 0; 1660 } 1661 1662 static __noinline int 1663 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1664 { 1665 struct ieee80211com *ic = vap->iv_ic; 1666 uint8_t *chanlist, *list; 1667 int i, nchan, maxchan, error; 1668 1669 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1670 ireq->i_len = sizeof(ic->ic_chan_active); 1671 list = IEEE80211_MALLOC(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1672 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1673 if (list == NULL) 1674 return ENOMEM; 1675 error = copyin(ireq->i_data, list, ireq->i_len); 1676 if (error) { 1677 IEEE80211_FREE(list, M_TEMP); 1678 return error; 1679 } 1680 nchan = 0; 1681 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1682 maxchan = ireq->i_len * NBBY; 1683 for (i = 0; i < ic->ic_nchans; i++) { 1684 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1685 /* 1686 * Calculate the intersection of the user list and the 1687 * available channels so users can do things like specify 1688 * 1-255 to get all available channels. 1689 */ 1690 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1691 setbit(chanlist, c->ic_ieee); 1692 nchan++; 1693 } 1694 } 1695 if (nchan == 0) { 1696 IEEE80211_FREE(list, M_TEMP); 1697 return EINVAL; 1698 } 1699 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1700 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1701 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1702 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1703 ieee80211_scan_flush(vap); 1704 IEEE80211_FREE(list, M_TEMP); 1705 return ENETRESET; 1706 } 1707 1708 static __noinline int 1709 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1710 { 1711 struct ieee80211_node *ni; 1712 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1713 int error; 1714 1715 /* 1716 * NB: we could copyin ieee80211req_sta_stats so apps 1717 * could make selective changes but that's overkill; 1718 * just clear all stats for now. 1719 */ 1720 if (ireq->i_len < IEEE80211_ADDR_LEN) 1721 return EINVAL; 1722 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1723 if (error != 0) 1724 return error; 1725 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1726 if (ni == NULL) 1727 return ENOENT; 1728 /* XXX require ni_vap == vap? */ 1729 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1730 ieee80211_free_node(ni); 1731 return 0; 1732 } 1733 1734 static __noinline int 1735 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1736 { 1737 struct ieee80211_node *ni; 1738 struct ieee80211req_sta_txpow txpow; 1739 int error; 1740 1741 if (ireq->i_len != sizeof(txpow)) 1742 return EINVAL; 1743 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1744 if (error != 0) 1745 return error; 1746 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1747 if (ni == NULL) 1748 return ENOENT; 1749 ni->ni_txpower = txpow.it_txpow; 1750 ieee80211_free_node(ni); 1751 return error; 1752 } 1753 1754 static __noinline int 1755 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1756 { 1757 struct ieee80211com *ic = vap->iv_ic; 1758 struct ieee80211_wme_state *wme = &ic->ic_wme; 1759 struct wmeParams *wmep, *chanp; 1760 int isbss, ac; 1761 1762 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1763 return EOPNOTSUPP; 1764 1765 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1766 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1767 if (ac >= WME_NUM_AC) 1768 ac = WME_AC_BE; 1769 if (isbss) { 1770 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1771 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1772 } else { 1773 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1774 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1775 } 1776 switch (ireq->i_type) { 1777 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1778 if (isbss) { 1779 wmep->wmep_logcwmin = ireq->i_val; 1780 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1781 chanp->wmep_logcwmin = ireq->i_val; 1782 } else { 1783 wmep->wmep_logcwmin = chanp->wmep_logcwmin = 1784 ireq->i_val; 1785 } 1786 break; 1787 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1788 if (isbss) { 1789 wmep->wmep_logcwmax = ireq->i_val; 1790 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1791 chanp->wmep_logcwmax = ireq->i_val; 1792 } else { 1793 wmep->wmep_logcwmax = chanp->wmep_logcwmax = 1794 ireq->i_val; 1795 } 1796 break; 1797 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1798 if (isbss) { 1799 wmep->wmep_aifsn = ireq->i_val; 1800 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1801 chanp->wmep_aifsn = ireq->i_val; 1802 } else { 1803 wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val; 1804 } 1805 break; 1806 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1807 if (isbss) { 1808 wmep->wmep_txopLimit = ireq->i_val; 1809 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1810 chanp->wmep_txopLimit = ireq->i_val; 1811 } else { 1812 wmep->wmep_txopLimit = chanp->wmep_txopLimit = 1813 ireq->i_val; 1814 } 1815 break; 1816 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1817 wmep->wmep_acm = ireq->i_val; 1818 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1819 chanp->wmep_acm = ireq->i_val; 1820 break; 1821 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1822 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1823 (ireq->i_val) == 0; 1824 break; 1825 } 1826 ieee80211_wme_updateparams(vap); 1827 return 0; 1828 } 1829 1830 static int 1831 find11gchannel(struct ieee80211com *ic, int start, int freq) 1832 { 1833 const struct ieee80211_channel *c; 1834 int i; 1835 1836 for (i = start+1; i < ic->ic_nchans; i++) { 1837 c = &ic->ic_channels[i]; 1838 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1839 return 1; 1840 } 1841 /* NB: should not be needed but in case things are mis-sorted */ 1842 for (i = 0; i < start; i++) { 1843 c = &ic->ic_channels[i]; 1844 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1845 return 1; 1846 } 1847 return 0; 1848 } 1849 1850 static struct ieee80211_channel * 1851 findchannel(struct ieee80211com *ic, int ieee, int mode) 1852 { 1853 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1854 [IEEE80211_MODE_AUTO] = 0, 1855 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1856 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1857 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1858 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1859 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1860 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1861 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1862 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1863 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1864 /* NB: handled specially below */ 1865 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1866 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1867 }; 1868 u_int modeflags; 1869 int i; 1870 1871 modeflags = chanflags[mode]; 1872 for (i = 0; i < ic->ic_nchans; i++) { 1873 struct ieee80211_channel *c = &ic->ic_channels[i]; 1874 1875 if (c->ic_ieee != ieee) 1876 continue; 1877 if (mode == IEEE80211_MODE_AUTO) { 1878 /* ignore turbo channels for autoselect */ 1879 if (IEEE80211_IS_CHAN_TURBO(c)) 1880 continue; 1881 /* 1882 * XXX special-case 11b/g channels so we 1883 * always select the g channel if both 1884 * are present. 1885 * XXX prefer HT to non-HT? 1886 */ 1887 if (!IEEE80211_IS_CHAN_B(c) || 1888 !find11gchannel(ic, i, c->ic_freq)) 1889 return c; 1890 } else { 1891 /* must check HT specially */ 1892 if ((mode == IEEE80211_MODE_11NA || 1893 mode == IEEE80211_MODE_11NG) && 1894 !IEEE80211_IS_CHAN_HT(c)) 1895 continue; 1896 if ((c->ic_flags & modeflags) == modeflags) 1897 return c; 1898 } 1899 } 1900 return NULL; 1901 } 1902 1903 /* 1904 * Check the specified against any desired mode (aka netband). 1905 * This is only used (presently) when operating in hostap mode 1906 * to enforce consistency. 1907 */ 1908 static int 1909 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1910 { 1911 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1912 1913 switch (mode) { 1914 case IEEE80211_MODE_11B: 1915 return (IEEE80211_IS_CHAN_B(c)); 1916 case IEEE80211_MODE_11G: 1917 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1918 case IEEE80211_MODE_11A: 1919 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1920 case IEEE80211_MODE_STURBO_A: 1921 return (IEEE80211_IS_CHAN_STURBO(c)); 1922 case IEEE80211_MODE_11NA: 1923 return (IEEE80211_IS_CHAN_HTA(c)); 1924 case IEEE80211_MODE_11NG: 1925 return (IEEE80211_IS_CHAN_HTG(c)); 1926 } 1927 return 1; 1928 1929 } 1930 1931 /* 1932 * Common code to set the current channel. If the device 1933 * is up and running this may result in an immediate channel 1934 * change or a kick of the state machine. 1935 */ 1936 static int 1937 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 1938 { 1939 struct ieee80211com *ic = vap->iv_ic; 1940 int error; 1941 1942 if (c != IEEE80211_CHAN_ANYC) { 1943 if (IEEE80211_IS_CHAN_RADAR(c)) 1944 return EBUSY; /* XXX better code? */ 1945 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 1946 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 1947 return EINVAL; 1948 if (!check_mode_consistency(c, vap->iv_des_mode)) 1949 return EINVAL; 1950 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 1951 if (IEEE80211_IS_CHAN_NOADHOC(c)) 1952 return EINVAL; 1953 } 1954 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) && 1955 vap->iv_bss->ni_chan == c) 1956 return 0; /* NB: nothing to do */ 1957 } 1958 vap->iv_des_chan = c; 1959 1960 error = 0; 1961 if (vap->iv_opmode == IEEE80211_M_MONITOR && 1962 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1963 /* 1964 * Monitor mode can switch directly. 1965 */ 1966 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 1967 /* XXX need state machine for other vap's to follow */ 1968 ieee80211_setcurchan(ic, vap->iv_des_chan); 1969 vap->iv_bss->ni_chan = ic->ic_curchan; 1970 } else 1971 ic->ic_curchan = vap->iv_des_chan; 1972 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1973 } else { 1974 /* 1975 * Need to go through the state machine in case we 1976 * need to reassociate or the like. The state machine 1977 * will pickup the desired channel and avoid scanning. 1978 */ 1979 if (IS_UP_AUTO(vap)) 1980 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 1981 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1982 /* 1983 * When not up+running and a real channel has 1984 * been specified fix the current channel so 1985 * there is immediate feedback; e.g. via ifconfig. 1986 */ 1987 ic->ic_curchan = vap->iv_des_chan; 1988 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1989 } 1990 } 1991 return error; 1992 } 1993 1994 /* 1995 * Old api for setting the current channel; this is 1996 * deprecated because channel numbers are ambiguous. 1997 */ 1998 static __noinline int 1999 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 2000 const struct ieee80211req *ireq) 2001 { 2002 struct ieee80211com *ic = vap->iv_ic; 2003 struct ieee80211_channel *c; 2004 2005 /* XXX 0xffff overflows 16-bit signed */ 2006 if (ireq->i_val == 0 || 2007 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 2008 c = IEEE80211_CHAN_ANYC; 2009 } else { 2010 struct ieee80211_channel *c2; 2011 2012 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 2013 if (c == NULL) { 2014 c = findchannel(ic, ireq->i_val, 2015 IEEE80211_MODE_AUTO); 2016 if (c == NULL) 2017 return EINVAL; 2018 } 2019 /* 2020 * Fine tune channel selection based on desired mode: 2021 * if 11b is requested, find the 11b version of any 2022 * 11g channel returned, 2023 * if static turbo, find the turbo version of any 2024 * 11a channel return, 2025 * if 11na is requested, find the ht version of any 2026 * 11a channel returned, 2027 * if 11ng is requested, find the ht version of any 2028 * 11g channel returned, 2029 * otherwise we should be ok with what we've got. 2030 */ 2031 switch (vap->iv_des_mode) { 2032 case IEEE80211_MODE_11B: 2033 if (IEEE80211_IS_CHAN_ANYG(c)) { 2034 c2 = findchannel(ic, ireq->i_val, 2035 IEEE80211_MODE_11B); 2036 /* NB: should not happen, =>'s 11g w/o 11b */ 2037 if (c2 != NULL) 2038 c = c2; 2039 } 2040 break; 2041 case IEEE80211_MODE_TURBO_A: 2042 if (IEEE80211_IS_CHAN_A(c)) { 2043 c2 = findchannel(ic, ireq->i_val, 2044 IEEE80211_MODE_TURBO_A); 2045 if (c2 != NULL) 2046 c = c2; 2047 } 2048 break; 2049 case IEEE80211_MODE_11NA: 2050 if (IEEE80211_IS_CHAN_A(c)) { 2051 c2 = findchannel(ic, ireq->i_val, 2052 IEEE80211_MODE_11NA); 2053 if (c2 != NULL) 2054 c = c2; 2055 } 2056 break; 2057 case IEEE80211_MODE_11NG: 2058 if (IEEE80211_IS_CHAN_ANYG(c)) { 2059 c2 = findchannel(ic, ireq->i_val, 2060 IEEE80211_MODE_11NG); 2061 if (c2 != NULL) 2062 c = c2; 2063 } 2064 break; 2065 default: /* NB: no static turboG */ 2066 break; 2067 } 2068 } 2069 return setcurchan(vap, c); 2070 } 2071 2072 /* 2073 * New/current api for setting the current channel; a complete 2074 * channel description is provide so there is no ambiguity in 2075 * identifying the channel. 2076 */ 2077 static __noinline int 2078 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 2079 const struct ieee80211req *ireq) 2080 { 2081 struct ieee80211com *ic = vap->iv_ic; 2082 struct ieee80211_channel chan, *c; 2083 int error; 2084 2085 if (ireq->i_len != sizeof(chan)) 2086 return EINVAL; 2087 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2088 if (error != 0) 2089 return error; 2090 /* XXX 0xffff overflows 16-bit signed */ 2091 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2092 c = IEEE80211_CHAN_ANYC; 2093 } else { 2094 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2095 if (c == NULL) 2096 return EINVAL; 2097 } 2098 return setcurchan(vap, c); 2099 } 2100 2101 static __noinline int 2102 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2103 const struct ieee80211req *ireq) 2104 { 2105 struct ieee80211_regdomain_req *reg; 2106 int nchans, error; 2107 2108 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2109 sizeof(struct ieee80211_channel)); 2110 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2111 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2112 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2113 ireq->i_len, nchans); 2114 return EINVAL; 2115 } 2116 reg = (struct ieee80211_regdomain_req *) 2117 IEEE80211_MALLOC(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, 2118 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2119 if (reg == NULL) { 2120 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2121 "%s: no memory, nchans %d\n", __func__, nchans); 2122 return ENOMEM; 2123 } 2124 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2125 if (error == 0) { 2126 /* NB: validate inline channel count against storage size */ 2127 if (reg->chaninfo.ic_nchans != nchans) { 2128 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2129 "%s: chan cnt mismatch, %d != %d\n", __func__, 2130 reg->chaninfo.ic_nchans, nchans); 2131 error = EINVAL; 2132 } else 2133 error = ieee80211_setregdomain(vap, reg); 2134 } 2135 IEEE80211_FREE(reg, M_TEMP); 2136 2137 return (error == 0 ? ENETRESET : error); 2138 } 2139 2140 static int 2141 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2142 const struct ieee80211req *ireq) 2143 { 2144 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2145 return EINVAL; 2146 /* XXX validate params */ 2147 /* XXX? ENETRESET to push to device? */ 2148 return copyin(ireq->i_data, vap->iv_roamparms, 2149 sizeof(vap->iv_roamparms)); 2150 } 2151 2152 static int 2153 checkrate(const struct ieee80211_rateset *rs, int rate) 2154 { 2155 int i; 2156 2157 if (rate == IEEE80211_FIXED_RATE_NONE) 2158 return 1; 2159 for (i = 0; i < rs->rs_nrates; i++) 2160 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2161 return 1; 2162 return 0; 2163 } 2164 2165 static int 2166 checkmcs(int mcs) 2167 { 2168 if (mcs == IEEE80211_FIXED_RATE_NONE) 2169 return 1; 2170 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2171 return 0; 2172 return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */ 2173 } 2174 2175 static __noinline int 2176 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2177 const struct ieee80211req *ireq) 2178 { 2179 struct ieee80211com *ic = vap->iv_ic; 2180 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2181 struct ieee80211_txparam *src, *dst; 2182 const struct ieee80211_rateset *rs; 2183 int error, mode, changed, is11n, nmodes; 2184 2185 /* NB: accept short requests for backwards compat */ 2186 if (ireq->i_len > sizeof(parms)) 2187 return EINVAL; 2188 error = copyin(ireq->i_data, &parms, ireq->i_len); 2189 if (error != 0) 2190 return error; 2191 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2192 changed = 0; 2193 /* validate parameters and check if anything changed */ 2194 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2195 if (isclr(ic->ic_modecaps, mode)) 2196 continue; 2197 src = &parms.params[mode]; 2198 dst = &vap->iv_txparms[mode]; 2199 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2200 is11n = (mode == IEEE80211_MODE_11NA || 2201 mode == IEEE80211_MODE_11NG); 2202 if (src->ucastrate != dst->ucastrate) { 2203 if (!checkrate(rs, src->ucastrate) && 2204 (!is11n || !checkmcs(src->ucastrate))) 2205 return EINVAL; 2206 changed++; 2207 } 2208 if (src->mcastrate != dst->mcastrate) { 2209 if (!checkrate(rs, src->mcastrate) && 2210 (!is11n || !checkmcs(src->mcastrate))) 2211 return EINVAL; 2212 changed++; 2213 } 2214 if (src->mgmtrate != dst->mgmtrate) { 2215 if (!checkrate(rs, src->mgmtrate) && 2216 (!is11n || !checkmcs(src->mgmtrate))) 2217 return EINVAL; 2218 changed++; 2219 } 2220 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2221 changed++; 2222 } 2223 if (changed) { 2224 /* 2225 * Copy new parameters in place and notify the 2226 * driver so it can push state to the device. 2227 */ 2228 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2229 if (isset(ic->ic_modecaps, mode)) 2230 vap->iv_txparms[mode] = parms.params[mode]; 2231 } 2232 /* XXX could be more intelligent, 2233 e.g. don't reset if setting not being used */ 2234 return ENETRESET; 2235 } 2236 return 0; 2237 } 2238 2239 /* 2240 * Application Information Element support. 2241 */ 2242 static int 2243 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2244 { 2245 struct ieee80211_appie *app = *aie; 2246 struct ieee80211_appie *napp; 2247 int error; 2248 2249 if (ireq->i_len == 0) { /* delete any existing ie */ 2250 if (app != NULL) { 2251 *aie = NULL; /* XXX racey */ 2252 IEEE80211_FREE(app, M_80211_NODE_IE); 2253 } 2254 return 0; 2255 } 2256 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2257 return EINVAL; 2258 /* 2259 * Allocate a new appie structure and copy in the user data. 2260 * When done swap in the new structure. Note that we do not 2261 * guard against users holding a ref to the old structure; 2262 * this must be handled outside this code. 2263 * 2264 * XXX bad bad bad 2265 */ 2266 napp = (struct ieee80211_appie *) IEEE80211_MALLOC( 2267 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, 2268 IEEE80211_M_NOWAIT); 2269 if (napp == NULL) 2270 return ENOMEM; 2271 /* XXX holding ic lock */ 2272 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2273 if (error) { 2274 IEEE80211_FREE(napp, M_80211_NODE_IE); 2275 return error; 2276 } 2277 napp->ie_len = ireq->i_len; 2278 *aie = napp; 2279 if (app != NULL) 2280 IEEE80211_FREE(app, M_80211_NODE_IE); 2281 return 0; 2282 } 2283 2284 static void 2285 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2286 { 2287 /* validate data is present as best we can */ 2288 if (space == 0 || 2+ie[1] > space) 2289 return; 2290 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2291 vap->iv_wpa_ie = ie; 2292 else if (ie[0] == IEEE80211_ELEMID_RSN) 2293 vap->iv_rsn_ie = ie; 2294 } 2295 2296 static __noinline int 2297 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2298 const struct ieee80211req *ireq, int fc0) 2299 { 2300 int error; 2301 2302 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2303 2304 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2305 case IEEE80211_FC0_SUBTYPE_BEACON: 2306 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2307 vap->iv_opmode != IEEE80211_M_IBSS) { 2308 error = EINVAL; 2309 break; 2310 } 2311 error = setappie(&vap->iv_appie_beacon, ireq); 2312 if (error == 0) 2313 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2314 break; 2315 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2316 error = setappie(&vap->iv_appie_proberesp, ireq); 2317 break; 2318 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2319 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2320 error = setappie(&vap->iv_appie_assocresp, ireq); 2321 else 2322 error = EINVAL; 2323 break; 2324 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2325 error = setappie(&vap->iv_appie_probereq, ireq); 2326 break; 2327 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2328 if (vap->iv_opmode == IEEE80211_M_STA) 2329 error = setappie(&vap->iv_appie_assocreq, ireq); 2330 else 2331 error = EINVAL; 2332 break; 2333 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2334 error = setappie(&vap->iv_appie_wpa, ireq); 2335 if (error == 0) { 2336 /* 2337 * Must split single blob of data into separate 2338 * WPA and RSN ie's because they go in different 2339 * locations in the mgt frames. 2340 * XXX use IEEE80211_IOC_WPA2 so user code does split 2341 */ 2342 vap->iv_wpa_ie = NULL; 2343 vap->iv_rsn_ie = NULL; 2344 if (vap->iv_appie_wpa != NULL) { 2345 struct ieee80211_appie *appie = 2346 vap->iv_appie_wpa; 2347 uint8_t *data = appie->ie_data; 2348 2349 /* XXX ie length validate is painful, cheat */ 2350 setwparsnie(vap, data, appie->ie_len); 2351 setwparsnie(vap, data + 2 + data[1], 2352 appie->ie_len - (2 + data[1])); 2353 } 2354 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2355 vap->iv_opmode == IEEE80211_M_IBSS) { 2356 /* 2357 * Must rebuild beacon frame as the update 2358 * mechanism doesn't handle WPA/RSN ie's. 2359 * Could extend it but it doesn't normally 2360 * change; this is just to deal with hostapd 2361 * plumbing the ie after the interface is up. 2362 */ 2363 error = ENETRESET; 2364 } 2365 } 2366 break; 2367 default: 2368 error = EINVAL; 2369 break; 2370 } 2371 return error; 2372 } 2373 2374 static __noinline int 2375 ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2376 const struct ieee80211req *ireq) 2377 { 2378 struct ieee80211com *ic = vap->iv_ic; 2379 int error; 2380 uint8_t fc0; 2381 2382 fc0 = ireq->i_val & 0xff; 2383 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2384 return EINVAL; 2385 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2386 IEEE80211_LOCK(ic); 2387 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2388 IEEE80211_UNLOCK(ic); 2389 return error; 2390 } 2391 2392 static __noinline int 2393 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2394 { 2395 struct ieee80211com *ic = vap->iv_ic; 2396 struct ieee80211_chanswitch_req csr; 2397 struct ieee80211_channel *c; 2398 int error; 2399 2400 if (ireq->i_len != sizeof(csr)) 2401 return EINVAL; 2402 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2403 if (error != 0) 2404 return error; 2405 /* XXX adhoc mode not supported */ 2406 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2407 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2408 return EOPNOTSUPP; 2409 c = ieee80211_find_channel(ic, 2410 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2411 if (c == NULL) 2412 return ENOENT; 2413 IEEE80211_LOCK(ic); 2414 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2415 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2416 else if (csr.csa_count == 0) 2417 ieee80211_csa_cancelswitch(ic); 2418 else 2419 error = EBUSY; 2420 IEEE80211_UNLOCK(ic); 2421 return error; 2422 } 2423 2424 static int 2425 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr) 2426 { 2427 #define IEEE80211_IOC_SCAN_FLAGS \ 2428 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2429 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2430 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2431 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2432 IEEE80211_IOC_SCAN_CHECK) 2433 struct ieee80211com *ic = vap->iv_ic; 2434 int error, i; 2435 2436 /* convert duration */ 2437 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2438 sr->sr_duration = IEEE80211_SCAN_FOREVER; 2439 else { 2440 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2441 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2442 return EINVAL; 2443 sr->sr_duration = msecs_to_ticks(sr->sr_duration); 2444 if (sr->sr_duration < 1) 2445 sr->sr_duration = 1; 2446 } 2447 /* convert min/max channel dwell */ 2448 if (sr->sr_mindwell != 0) { 2449 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell); 2450 if (sr->sr_mindwell < 1) 2451 sr->sr_mindwell = 1; 2452 } 2453 if (sr->sr_maxdwell != 0) { 2454 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell); 2455 if (sr->sr_maxdwell < 1) 2456 sr->sr_maxdwell = 1; 2457 } 2458 /* NB: silently reduce ssid count to what is supported */ 2459 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID) 2460 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID; 2461 for (i = 0; i < sr->sr_nssid; i++) 2462 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN) 2463 return EINVAL; 2464 /* cleanse flags just in case, could reject if invalid flags */ 2465 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2466 /* 2467 * Add an implicit NOPICK if the vap is not marked UP. This 2468 * allows applications to scan without joining a bss (or picking 2469 * a channel and setting up a bss) and without forcing manual 2470 * roaming mode--you just need to mark the parent device UP. 2471 */ 2472 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2473 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2474 2475 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2476 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2477 __func__, sr->sr_flags, 2478 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2479 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid); 2480 /* 2481 * If we are in INIT state then the driver has never had a chance 2482 * to setup hardware state to do a scan; we must use the state 2483 * machine to get us up to the SCAN state but once we reach SCAN 2484 * state we then want to use the supplied params. Stash the 2485 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2486 * state machines will recognize this and use the stashed params 2487 * to issue the scan request. 2488 * 2489 * Otherwise just invoke the scan machinery directly. 2490 */ 2491 IEEE80211_LOCK(ic); 2492 if (vap->iv_state == IEEE80211_S_INIT) { 2493 /* NB: clobbers previous settings */ 2494 vap->iv_scanreq_flags = sr->sr_flags; 2495 vap->iv_scanreq_duration = sr->sr_duration; 2496 vap->iv_scanreq_nssid = sr->sr_nssid; 2497 for (i = 0; i < sr->sr_nssid; i++) { 2498 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len; 2499 memcpy(vap->iv_scanreq_ssid[i].ssid, 2500 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len); 2501 } 2502 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2503 IEEE80211_UNLOCK(ic); 2504 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2505 } else { 2506 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2507 IEEE80211_UNLOCK(ic); 2508 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2509 error = ieee80211_check_scan(vap, sr->sr_flags, 2510 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2511 sr->sr_nssid, 2512 /* NB: cheat, we assume structures are compatible */ 2513 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2514 } else { 2515 error = ieee80211_start_scan(vap, sr->sr_flags, 2516 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2517 sr->sr_nssid, 2518 /* NB: cheat, we assume structures are compatible */ 2519 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2520 } 2521 if (error == 0) 2522 return EINPROGRESS; 2523 } 2524 return 0; 2525 #undef IEEE80211_IOC_SCAN_FLAGS 2526 } 2527 2528 static __noinline int 2529 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2530 { 2531 struct ieee80211_scan_req sr; /* XXX off stack? */ 2532 int error; 2533 2534 if (ireq->i_len != sizeof(sr)) 2535 return EINVAL; 2536 error = copyin(ireq->i_data, &sr, sizeof(sr)); 2537 if (error != 0) 2538 return error; 2539 return ieee80211_scanreq(vap, &sr); 2540 } 2541 2542 static __noinline int 2543 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2544 { 2545 struct ieee80211_node *ni; 2546 struct ieee80211req_sta_vlan vlan; 2547 int error; 2548 2549 if (ireq->i_len != sizeof(vlan)) 2550 return EINVAL; 2551 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2552 if (error != 0) 2553 return error; 2554 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2555 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2556 vlan.sv_macaddr); 2557 if (ni == NULL) 2558 return ENOENT; 2559 } else 2560 ni = ieee80211_ref_node(vap->iv_bss); 2561 ni->ni_vlan = vlan.sv_vlan; 2562 ieee80211_free_node(ni); 2563 return error; 2564 } 2565 2566 static int 2567 isvap11g(const struct ieee80211vap *vap) 2568 { 2569 const struct ieee80211_node *bss = vap->iv_bss; 2570 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2571 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2572 } 2573 2574 static int 2575 isvapht(const struct ieee80211vap *vap) 2576 { 2577 const struct ieee80211_node *bss = vap->iv_bss; 2578 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2579 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2580 } 2581 2582 /* 2583 * Dummy ioctl set handler so the linker set is defined. 2584 */ 2585 static int 2586 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2587 { 2588 return ENOSYS; 2589 } 2590 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2591 2592 static int 2593 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2594 { 2595 ieee80211_ioctl_setfunc * const *set; 2596 int error; 2597 2598 SET_FOREACH(set, ieee80211_ioctl_setset) { 2599 error = (*set)(vap, ireq); 2600 if (error != ENOSYS) 2601 return error; 2602 } 2603 return EINVAL; 2604 } 2605 2606 static __noinline int 2607 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2608 { 2609 struct ieee80211com *ic = vap->iv_ic; 2610 int error; 2611 const struct ieee80211_authenticator *auth; 2612 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2613 char tmpssid[IEEE80211_NWID_LEN]; 2614 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2615 struct ieee80211_key *k; 2616 u_int kid; 2617 uint32_t flags; 2618 2619 error = 0; 2620 switch (ireq->i_type) { 2621 case IEEE80211_IOC_SSID: 2622 if (ireq->i_val != 0 || 2623 ireq->i_len > IEEE80211_NWID_LEN) 2624 return EINVAL; 2625 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2626 if (error) 2627 break; 2628 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2629 vap->iv_des_ssid[0].len = ireq->i_len; 2630 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2631 vap->iv_des_nssid = (ireq->i_len > 0); 2632 error = ENETRESET; 2633 break; 2634 case IEEE80211_IOC_WEP: 2635 switch (ireq->i_val) { 2636 case IEEE80211_WEP_OFF: 2637 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2638 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2639 break; 2640 case IEEE80211_WEP_ON: 2641 vap->iv_flags |= IEEE80211_F_PRIVACY; 2642 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2643 break; 2644 case IEEE80211_WEP_MIXED: 2645 vap->iv_flags |= IEEE80211_F_PRIVACY; 2646 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2647 break; 2648 } 2649 error = ENETRESET; 2650 break; 2651 case IEEE80211_IOC_WEPKEY: 2652 kid = (u_int) ireq->i_val; 2653 if (kid >= IEEE80211_WEP_NKID) 2654 return EINVAL; 2655 k = &vap->iv_nw_keys[kid]; 2656 if (ireq->i_len == 0) { 2657 /* zero-len =>'s delete any existing key */ 2658 (void) ieee80211_crypto_delkey(vap, k); 2659 break; 2660 } 2661 if (ireq->i_len > sizeof(tmpkey)) 2662 return EINVAL; 2663 memset(tmpkey, 0, sizeof(tmpkey)); 2664 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2665 if (error) 2666 break; 2667 ieee80211_key_update_begin(vap); 2668 k->wk_keyix = kid; /* NB: force fixed key id */ 2669 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2670 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2671 k->wk_keylen = ireq->i_len; 2672 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2673 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2674 if (!ieee80211_crypto_setkey(vap, k)) 2675 error = EINVAL; 2676 } else 2677 error = EINVAL; 2678 ieee80211_key_update_end(vap); 2679 break; 2680 case IEEE80211_IOC_WEPTXKEY: 2681 kid = (u_int) ireq->i_val; 2682 if (kid >= IEEE80211_WEP_NKID && 2683 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2684 return EINVAL; 2685 vap->iv_def_txkey = kid; 2686 break; 2687 case IEEE80211_IOC_AUTHMODE: 2688 switch (ireq->i_val) { 2689 case IEEE80211_AUTH_WPA: 2690 case IEEE80211_AUTH_8021X: /* 802.1x */ 2691 case IEEE80211_AUTH_OPEN: /* open */ 2692 case IEEE80211_AUTH_SHARED: /* shared-key */ 2693 case IEEE80211_AUTH_AUTO: /* auto */ 2694 auth = ieee80211_authenticator_get(ireq->i_val); 2695 if (auth == NULL) 2696 return EINVAL; 2697 break; 2698 default: 2699 return EINVAL; 2700 } 2701 switch (ireq->i_val) { 2702 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2703 vap->iv_flags |= IEEE80211_F_PRIVACY; 2704 ireq->i_val = IEEE80211_AUTH_8021X; 2705 break; 2706 case IEEE80211_AUTH_OPEN: /* open */ 2707 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2708 break; 2709 case IEEE80211_AUTH_SHARED: /* shared-key */ 2710 case IEEE80211_AUTH_8021X: /* 802.1x */ 2711 vap->iv_flags &= ~IEEE80211_F_WPA; 2712 /* both require a key so mark the PRIVACY capability */ 2713 vap->iv_flags |= IEEE80211_F_PRIVACY; 2714 break; 2715 case IEEE80211_AUTH_AUTO: /* auto */ 2716 vap->iv_flags &= ~IEEE80211_F_WPA; 2717 /* XXX PRIVACY handling? */ 2718 /* XXX what's the right way to do this? */ 2719 break; 2720 } 2721 /* NB: authenticator attach/detach happens on state change */ 2722 vap->iv_bss->ni_authmode = ireq->i_val; 2723 /* XXX mixed/mode/usage? */ 2724 vap->iv_auth = auth; 2725 error = ENETRESET; 2726 break; 2727 case IEEE80211_IOC_CHANNEL: 2728 error = ieee80211_ioctl_setchannel(vap, ireq); 2729 break; 2730 case IEEE80211_IOC_POWERSAVE: 2731 switch (ireq->i_val) { 2732 case IEEE80211_POWERSAVE_OFF: 2733 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2734 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2735 error = ERESTART; 2736 } 2737 break; 2738 case IEEE80211_POWERSAVE_ON: 2739 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2740 error = EOPNOTSUPP; 2741 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2742 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2743 error = ERESTART; 2744 } 2745 break; 2746 default: 2747 error = EINVAL; 2748 break; 2749 } 2750 break; 2751 case IEEE80211_IOC_POWERSAVESLEEP: 2752 if (ireq->i_val < 0) 2753 return EINVAL; 2754 ic->ic_lintval = ireq->i_val; 2755 error = ERESTART; 2756 break; 2757 case IEEE80211_IOC_RTSTHRESHOLD: 2758 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2759 ireq->i_val <= IEEE80211_RTS_MAX)) 2760 return EINVAL; 2761 vap->iv_rtsthreshold = ireq->i_val; 2762 error = ERESTART; 2763 break; 2764 case IEEE80211_IOC_PROTMODE: 2765 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2766 return EINVAL; 2767 ic->ic_protmode = (enum ieee80211_protmode)ireq->i_val; 2768 /* NB: if not operating in 11g this can wait */ 2769 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2770 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2771 error = ERESTART; 2772 break; 2773 case IEEE80211_IOC_TXPOWER: 2774 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2775 return EOPNOTSUPP; 2776 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2777 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2778 return EINVAL; 2779 ic->ic_txpowlimit = ireq->i_val; 2780 error = ERESTART; 2781 break; 2782 case IEEE80211_IOC_ROAMING: 2783 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2784 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2785 return EINVAL; 2786 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val; 2787 /* XXXX reset? */ 2788 break; 2789 case IEEE80211_IOC_PRIVACY: 2790 if (ireq->i_val) { 2791 /* XXX check for key state? */ 2792 vap->iv_flags |= IEEE80211_F_PRIVACY; 2793 } else 2794 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2795 /* XXX ERESTART? */ 2796 break; 2797 case IEEE80211_IOC_DROPUNENCRYPTED: 2798 if (ireq->i_val) 2799 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2800 else 2801 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2802 /* XXX ERESTART? */ 2803 break; 2804 case IEEE80211_IOC_WPAKEY: 2805 error = ieee80211_ioctl_setkey(vap, ireq); 2806 break; 2807 case IEEE80211_IOC_DELKEY: 2808 error = ieee80211_ioctl_delkey(vap, ireq); 2809 break; 2810 case IEEE80211_IOC_MLME: 2811 error = ieee80211_ioctl_setmlme(vap, ireq); 2812 break; 2813 case IEEE80211_IOC_COUNTERMEASURES: 2814 if (ireq->i_val) { 2815 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2816 return EOPNOTSUPP; 2817 vap->iv_flags |= IEEE80211_F_COUNTERM; 2818 } else 2819 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2820 /* XXX ERESTART? */ 2821 break; 2822 case IEEE80211_IOC_WPA: 2823 if (ireq->i_val > 3) 2824 return EINVAL; 2825 /* XXX verify ciphers available */ 2826 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2827 switch (ireq->i_val) { 2828 case 1: 2829 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2830 return EOPNOTSUPP; 2831 flags |= IEEE80211_F_WPA1; 2832 break; 2833 case 2: 2834 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2835 return EOPNOTSUPP; 2836 flags |= IEEE80211_F_WPA2; 2837 break; 2838 case 3: 2839 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2840 return EOPNOTSUPP; 2841 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2842 break; 2843 default: /* Can't set any -> error */ 2844 return EOPNOTSUPP; 2845 } 2846 vap->iv_flags = flags; 2847 error = ERESTART; /* NB: can change beacon frame */ 2848 break; 2849 case IEEE80211_IOC_WME: 2850 if (ireq->i_val) { 2851 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 2852 return EOPNOTSUPP; 2853 ieee80211_syncflag(vap, IEEE80211_F_WME); 2854 } else 2855 ieee80211_syncflag(vap, -IEEE80211_F_WME); 2856 error = ERESTART; /* NB: can change beacon frame */ 2857 break; 2858 case IEEE80211_IOC_HIDESSID: 2859 if (ireq->i_val) 2860 vap->iv_flags |= IEEE80211_F_HIDESSID; 2861 else 2862 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 2863 error = ERESTART; /* XXX ENETRESET? */ 2864 break; 2865 case IEEE80211_IOC_APBRIDGE: 2866 if (ireq->i_val == 0) 2867 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 2868 else 2869 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 2870 break; 2871 case IEEE80211_IOC_BSSID: 2872 if (ireq->i_len != sizeof(tmpbssid)) 2873 return EINVAL; 2874 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 2875 if (error) 2876 break; 2877 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 2878 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 2879 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 2880 else 2881 vap->iv_flags |= IEEE80211_F_DESBSSID; 2882 error = ENETRESET; 2883 break; 2884 case IEEE80211_IOC_CHANLIST: 2885 error = ieee80211_ioctl_setchanlist(vap, ireq); 2886 break; 2887 #define OLD_IEEE80211_IOC_SCAN_REQ 23 2888 #ifdef OLD_IEEE80211_IOC_SCAN_REQ 2889 case OLD_IEEE80211_IOC_SCAN_REQ: 2890 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2891 "%s: active scan request\n", __func__); 2892 /* 2893 * If we are in INIT state then the driver has never 2894 * had a chance to setup hardware state to do a scan; 2895 * use the state machine to get us up the SCAN state. 2896 * Otherwise just invoke the scan machinery to start 2897 * a one-time scan. 2898 */ 2899 if (vap->iv_state == IEEE80211_S_INIT) 2900 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2901 else 2902 (void) ieee80211_start_scan(vap, 2903 IEEE80211_SCAN_ACTIVE | 2904 IEEE80211_SCAN_NOPICK | 2905 IEEE80211_SCAN_ONCE, 2906 IEEE80211_SCAN_FOREVER, 0, 0, 2907 /* XXX use ioctl params */ 2908 vap->iv_des_nssid, vap->iv_des_ssid); 2909 break; 2910 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 2911 case IEEE80211_IOC_SCAN_REQ: 2912 error = ieee80211_ioctl_scanreq(vap, ireq); 2913 break; 2914 case IEEE80211_IOC_SCAN_CANCEL: 2915 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2916 "%s: cancel scan\n", __func__); 2917 ieee80211_cancel_scan(vap); 2918 break; 2919 case IEEE80211_IOC_HTCONF: 2920 if (ireq->i_val & 1) 2921 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 2922 else 2923 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 2924 if (ireq->i_val & 2) 2925 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 2926 else 2927 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 2928 error = ENETRESET; 2929 break; 2930 case IEEE80211_IOC_ADDMAC: 2931 case IEEE80211_IOC_DELMAC: 2932 error = ieee80211_ioctl_macmac(vap, ireq); 2933 break; 2934 case IEEE80211_IOC_MACCMD: 2935 error = ieee80211_ioctl_setmaccmd(vap, ireq); 2936 break; 2937 case IEEE80211_IOC_STA_STATS: 2938 error = ieee80211_ioctl_setstastats(vap, ireq); 2939 break; 2940 case IEEE80211_IOC_STA_TXPOW: 2941 error = ieee80211_ioctl_setstatxpow(vap, ireq); 2942 break; 2943 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 2944 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 2945 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 2946 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 2947 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 2948 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 2949 error = ieee80211_ioctl_setwmeparam(vap, ireq); 2950 break; 2951 case IEEE80211_IOC_DTIM_PERIOD: 2952 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2953 vap->iv_opmode != IEEE80211_M_MBSS && 2954 vap->iv_opmode != IEEE80211_M_IBSS) 2955 return EINVAL; 2956 if (IEEE80211_DTIM_MIN <= ireq->i_val && 2957 ireq->i_val <= IEEE80211_DTIM_MAX) { 2958 vap->iv_dtim_period = ireq->i_val; 2959 error = ENETRESET; /* requires restart */ 2960 } else 2961 error = EINVAL; 2962 break; 2963 case IEEE80211_IOC_BEACON_INTERVAL: 2964 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2965 vap->iv_opmode != IEEE80211_M_MBSS && 2966 vap->iv_opmode != IEEE80211_M_IBSS) 2967 return EINVAL; 2968 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 2969 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 2970 ic->ic_bintval = ireq->i_val; 2971 error = ENETRESET; /* requires restart */ 2972 } else 2973 error = EINVAL; 2974 break; 2975 case IEEE80211_IOC_PUREG: 2976 if (ireq->i_val) 2977 vap->iv_flags |= IEEE80211_F_PUREG; 2978 else 2979 vap->iv_flags &= ~IEEE80211_F_PUREG; 2980 /* NB: reset only if we're operating on an 11g channel */ 2981 if (isvap11g(vap)) 2982 error = ENETRESET; 2983 break; 2984 case IEEE80211_IOC_QUIET: 2985 vap->iv_quiet= ireq->i_val; 2986 break; 2987 case IEEE80211_IOC_QUIET_COUNT: 2988 vap->iv_quiet_count=ireq->i_val; 2989 break; 2990 case IEEE80211_IOC_QUIET_PERIOD: 2991 vap->iv_quiet_period=ireq->i_val; 2992 break; 2993 case IEEE80211_IOC_QUIET_OFFSET: 2994 vap->iv_quiet_offset=ireq->i_val; 2995 break; 2996 case IEEE80211_IOC_QUIET_DUR: 2997 if(ireq->i_val < vap->iv_bss->ni_intval) 2998 vap->iv_quiet_duration = ireq->i_val; 2999 else 3000 error = EINVAL; 3001 break; 3002 case IEEE80211_IOC_BGSCAN: 3003 if (ireq->i_val) { 3004 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 3005 return EOPNOTSUPP; 3006 vap->iv_flags |= IEEE80211_F_BGSCAN; 3007 } else 3008 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 3009 break; 3010 case IEEE80211_IOC_BGSCAN_IDLE: 3011 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 3012 vap->iv_bgscanidle = ireq->i_val*hz/1000; 3013 else 3014 error = EINVAL; 3015 break; 3016 case IEEE80211_IOC_BGSCAN_INTERVAL: 3017 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 3018 vap->iv_bgscanintvl = ireq->i_val*hz; 3019 else 3020 error = EINVAL; 3021 break; 3022 case IEEE80211_IOC_SCANVALID: 3023 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 3024 vap->iv_scanvalid = ireq->i_val*hz; 3025 else 3026 error = EINVAL; 3027 break; 3028 case IEEE80211_IOC_FRAGTHRESHOLD: 3029 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 3030 ireq->i_val != IEEE80211_FRAG_MAX) 3031 return EOPNOTSUPP; 3032 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 3033 ireq->i_val <= IEEE80211_FRAG_MAX)) 3034 return EINVAL; 3035 vap->iv_fragthreshold = ireq->i_val; 3036 error = ERESTART; 3037 break; 3038 case IEEE80211_IOC_BURST: 3039 if (ireq->i_val) { 3040 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 3041 return EOPNOTSUPP; 3042 ieee80211_syncflag(vap, IEEE80211_F_BURST); 3043 } else 3044 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 3045 error = ERESTART; 3046 break; 3047 case IEEE80211_IOC_BMISSTHRESHOLD: 3048 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 3049 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 3050 return EINVAL; 3051 vap->iv_bmissthreshold = ireq->i_val; 3052 error = ERESTART; 3053 break; 3054 case IEEE80211_IOC_CURCHAN: 3055 error = ieee80211_ioctl_setcurchan(vap, ireq); 3056 break; 3057 case IEEE80211_IOC_SHORTGI: 3058 if (ireq->i_val) { 3059 #define IEEE80211_HTCAP_SHORTGI \ 3060 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 3061 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 3062 return EINVAL; 3063 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 3064 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 3065 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 3066 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 3067 #undef IEEE80211_HTCAP_SHORTGI 3068 } else 3069 vap->iv_flags_ht &= 3070 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 3071 error = ERESTART; 3072 break; 3073 case IEEE80211_IOC_AMPDU: 3074 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 3075 return EINVAL; 3076 if (ireq->i_val & 1) 3077 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 3078 else 3079 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 3080 if (ireq->i_val & 2) 3081 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 3082 else 3083 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 3084 /* NB: reset only if we're operating on an 11n channel */ 3085 if (isvapht(vap)) 3086 error = ERESTART; 3087 break; 3088 case IEEE80211_IOC_AMPDU_LIMIT: 3089 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 3090 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 3091 return EINVAL; 3092 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 3093 vap->iv_ampdu_rxmax = ireq->i_val; 3094 else 3095 vap->iv_ampdu_limit = ireq->i_val; 3096 error = ERESTART; 3097 break; 3098 case IEEE80211_IOC_AMPDU_DENSITY: 3099 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 3100 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 3101 return EINVAL; 3102 vap->iv_ampdu_density = ireq->i_val; 3103 error = ERESTART; 3104 break; 3105 case IEEE80211_IOC_AMSDU: 3106 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 3107 return EINVAL; 3108 if (ireq->i_val & 1) 3109 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 3110 else 3111 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 3112 if (ireq->i_val & 2) 3113 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 3114 else 3115 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 3116 /* NB: reset only if we're operating on an 11n channel */ 3117 if (isvapht(vap)) 3118 error = ERESTART; 3119 break; 3120 case IEEE80211_IOC_AMSDU_LIMIT: 3121 /* XXX validate */ 3122 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 3123 break; 3124 case IEEE80211_IOC_PUREN: 3125 if (ireq->i_val) { 3126 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3127 return EINVAL; 3128 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3129 } else 3130 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3131 /* NB: reset only if we're operating on an 11n channel */ 3132 if (isvapht(vap)) 3133 error = ERESTART; 3134 break; 3135 case IEEE80211_IOC_DOTH: 3136 if (ireq->i_val) { 3137 #if 0 3138 /* XXX no capability */ 3139 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3140 return EOPNOTSUPP; 3141 #endif 3142 vap->iv_flags |= IEEE80211_F_DOTH; 3143 } else 3144 vap->iv_flags &= ~IEEE80211_F_DOTH; 3145 error = ENETRESET; 3146 break; 3147 case IEEE80211_IOC_REGDOMAIN: 3148 error = ieee80211_ioctl_setregdomain(vap, ireq); 3149 break; 3150 case IEEE80211_IOC_ROAM: 3151 error = ieee80211_ioctl_setroam(vap, ireq); 3152 break; 3153 case IEEE80211_IOC_TXPARAMS: 3154 error = ieee80211_ioctl_settxparams(vap, ireq); 3155 break; 3156 case IEEE80211_IOC_HTCOMPAT: 3157 if (ireq->i_val) { 3158 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3159 return EOPNOTSUPP; 3160 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3161 } else 3162 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 3163 /* NB: reset only if we're operating on an 11n channel */ 3164 if (isvapht(vap)) 3165 error = ERESTART; 3166 break; 3167 case IEEE80211_IOC_DWDS: 3168 if (ireq->i_val) { 3169 /* NB: DWDS only makes sense for WDS-capable devices */ 3170 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3171 return EOPNOTSUPP; 3172 /* NB: DWDS is used only with ap+sta vaps */ 3173 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3174 vap->iv_opmode != IEEE80211_M_STA) 3175 return EINVAL; 3176 vap->iv_flags |= IEEE80211_F_DWDS; 3177 if (vap->iv_opmode == IEEE80211_M_STA) 3178 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3179 } else { 3180 vap->iv_flags &= ~IEEE80211_F_DWDS; 3181 if (vap->iv_opmode == IEEE80211_M_STA) 3182 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3183 } 3184 break; 3185 case IEEE80211_IOC_INACTIVITY: 3186 if (ireq->i_val) 3187 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3188 else 3189 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3190 break; 3191 case IEEE80211_IOC_APPIE: 3192 error = ieee80211_ioctl_setappie(vap, ireq); 3193 break; 3194 case IEEE80211_IOC_WPS: 3195 if (ireq->i_val) { 3196 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3197 return EOPNOTSUPP; 3198 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3199 } else 3200 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3201 break; 3202 case IEEE80211_IOC_TSN: 3203 if (ireq->i_val) { 3204 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3205 return EOPNOTSUPP; 3206 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3207 } else 3208 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3209 break; 3210 case IEEE80211_IOC_CHANSWITCH: 3211 error = ieee80211_ioctl_chanswitch(vap, ireq); 3212 break; 3213 case IEEE80211_IOC_DFS: 3214 if (ireq->i_val) { 3215 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3216 return EOPNOTSUPP; 3217 /* NB: DFS requires 11h support */ 3218 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3219 return EINVAL; 3220 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3221 } else 3222 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3223 break; 3224 case IEEE80211_IOC_DOTD: 3225 if (ireq->i_val) 3226 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3227 else 3228 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3229 if (vap->iv_opmode == IEEE80211_M_STA) 3230 error = ENETRESET; 3231 break; 3232 case IEEE80211_IOC_HTPROTMODE: 3233 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3234 return EINVAL; 3235 ic->ic_htprotmode = ireq->i_val ? 3236 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3237 /* NB: if not operating in 11n this can wait */ 3238 if (isvapht(vap)) 3239 error = ERESTART; 3240 break; 3241 case IEEE80211_IOC_STA_VLAN: 3242 error = ieee80211_ioctl_setstavlan(vap, ireq); 3243 break; 3244 case IEEE80211_IOC_SMPS: 3245 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3246 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3247 return EINVAL; 3248 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3249 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3250 return EOPNOTSUPP; 3251 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3252 ireq->i_val; 3253 /* NB: if not operating in 11n this can wait */ 3254 if (isvapht(vap)) 3255 error = ERESTART; 3256 break; 3257 case IEEE80211_IOC_RIFS: 3258 if (ireq->i_val != 0) { 3259 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3260 return EOPNOTSUPP; 3261 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3262 } else 3263 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3264 /* NB: if not operating in 11n this can wait */ 3265 if (isvapht(vap)) 3266 error = ERESTART; 3267 break; 3268 default: 3269 error = ieee80211_ioctl_setdefault(vap, ireq); 3270 break; 3271 } 3272 /* 3273 * The convention is that ENETRESET means an operation 3274 * requires a complete re-initialization of the device (e.g. 3275 * changing something that affects the association state). 3276 * ERESTART means the request may be handled with only a 3277 * reload of the hardware state. We hand ERESTART requests 3278 * to the iv_reset callback so the driver can decide. If 3279 * a device does not fillin iv_reset then it defaults to one 3280 * that returns ENETRESET. Otherwise a driver may return 3281 * ENETRESET (in which case a full reset will be done) or 3282 * 0 to mean there's no need to do anything (e.g. when the 3283 * change has no effect on the driver/device). 3284 */ 3285 if (error == ERESTART) 3286 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3287 vap->iv_reset(vap, ireq->i_type) : 0; 3288 if (error == ENETRESET) { 3289 /* XXX need to re-think AUTO handling */ 3290 if (IS_UP_AUTO(vap)) 3291 ieee80211_init(vap); 3292 error = 0; 3293 } 3294 return error; 3295 } 3296 3297 int 3298 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3299 { 3300 struct ieee80211vap *vap = ifp->if_softc; 3301 struct ieee80211com *ic = vap->iv_ic; 3302 int error = 0; 3303 struct ifreq *ifr; 3304 struct ifaddr *ifa; /* XXX */ 3305 3306 switch (cmd) { 3307 case SIOCSIFFLAGS: 3308 IEEE80211_LOCK(ic); 3309 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_PROMISC) 3310 ieee80211_promisc(vap, ifp->if_flags & IFF_PROMISC); 3311 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_ALLMULTI) 3312 ieee80211_allmulti(vap, ifp->if_flags & IFF_ALLMULTI); 3313 vap->iv_ifflags = ifp->if_flags; 3314 if (ifp->if_flags & IFF_UP) { 3315 /* 3316 * Bring ourself up unless we're already operational. 3317 * If we're the first vap and the parent is not up 3318 * then it will automatically be brought up as a 3319 * side-effect of bringing ourself up. 3320 */ 3321 if (vap->iv_state == IEEE80211_S_INIT) 3322 ieee80211_start_locked(vap); 3323 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 3324 /* 3325 * Stop ourself. If we are the last vap to be 3326 * marked down the parent will also be taken down. 3327 */ 3328 ieee80211_stop_locked(vap); 3329 } 3330 IEEE80211_UNLOCK(ic); 3331 /* Wait for parent ioctl handler if it was queued */ 3332 ieee80211_waitfor_parent(ic); 3333 break; 3334 case SIOCADDMULTI: 3335 case SIOCDELMULTI: 3336 ieee80211_runtask(ic, &ic->ic_mcast_task); 3337 break; 3338 case SIOCSIFMEDIA: 3339 case SIOCGIFMEDIA: 3340 ifr = (struct ifreq *)data; 3341 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3342 break; 3343 case SIOCG80211: 3344 error = ieee80211_ioctl_get80211(vap, cmd, 3345 (struct ieee80211req *) data); 3346 break; 3347 case SIOCS80211: 3348 error = priv_check(curthread, PRIV_NET80211_MANAGE); 3349 if (error == 0) 3350 error = ieee80211_ioctl_set80211(vap, cmd, 3351 (struct ieee80211req *) data); 3352 break; 3353 case SIOCG80211STATS: 3354 ifr = (struct ifreq *)data; 3355 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats)); 3356 break; 3357 case SIOCSIFMTU: 3358 ifr = (struct ifreq *)data; 3359 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3360 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3361 error = EINVAL; 3362 else 3363 ifp->if_mtu = ifr->ifr_mtu; 3364 break; 3365 case SIOCSIFADDR: 3366 /* 3367 * XXX Handle this directly so we can supress if_init calls. 3368 * XXX This should be done in ether_ioctl but for the moment 3369 * XXX there are too many other parts of the system that 3370 * XXX set IFF_UP and so supress if_init being called when 3371 * XXX it should be. 3372 */ 3373 ifa = (struct ifaddr *) data; 3374 switch (ifa->ifa_addr->sa_family) { 3375 #ifdef INET 3376 case AF_INET: 3377 if ((ifp->if_flags & IFF_UP) == 0) { 3378 ifp->if_flags |= IFF_UP; 3379 ifp->if_init(ifp->if_softc); 3380 } 3381 arp_ifinit(ifp, ifa); 3382 break; 3383 #endif 3384 default: 3385 if ((ifp->if_flags & IFF_UP) == 0) { 3386 ifp->if_flags |= IFF_UP; 3387 ifp->if_init(ifp->if_softc); 3388 } 3389 break; 3390 } 3391 break; 3392 default: 3393 /* 3394 * Pass unknown ioctls first to the driver, and if it 3395 * returns ENOTTY, then to the generic Ethernet handler. 3396 */ 3397 if (ic->ic_ioctl != NULL && 3398 (error = ic->ic_ioctl(ic, cmd, data)) != ENOTTY) 3399 break; 3400 error = ether_ioctl(ifp, cmd, data); 3401 break; 3402 } 3403 return (error); 3404 } 3405