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