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 /* 1024 * XXX TODO: this isn't completely correct, as we've 1025 * negotiated the higher of the two. 1026 */ 1027 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1028 IEEE80211_HTCAP_MAXRXAMPDU); 1029 else 1030 ireq->i_val = vap->iv_ampdu_limit; 1031 break; 1032 case IEEE80211_IOC_AMPDU_DENSITY: 1033 if (vap->iv_opmode == IEEE80211_M_STA && 1034 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1035 /* 1036 * XXX TODO: this isn't completely correct, as we've 1037 * negotiated the higher of the two. 1038 */ 1039 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1040 IEEE80211_HTCAP_MPDUDENSITY); 1041 else 1042 ireq->i_val = vap->iv_ampdu_density; 1043 break; 1044 case IEEE80211_IOC_AMSDU: 1045 ireq->i_val = 0; 1046 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) 1047 ireq->i_val |= 1; 1048 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) 1049 ireq->i_val |= 2; 1050 break; 1051 case IEEE80211_IOC_AMSDU_LIMIT: 1052 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1053 break; 1054 case IEEE80211_IOC_PUREN: 1055 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; 1056 break; 1057 case IEEE80211_IOC_DOTH: 1058 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1059 break; 1060 case IEEE80211_IOC_REGDOMAIN: 1061 error = ieee80211_ioctl_getregdomain(vap, ireq); 1062 break; 1063 case IEEE80211_IOC_ROAM: 1064 error = ieee80211_ioctl_getroam(vap, ireq); 1065 break; 1066 case IEEE80211_IOC_TXPARAMS: 1067 error = ieee80211_ioctl_gettxparams(vap, ireq); 1068 break; 1069 case IEEE80211_IOC_HTCOMPAT: 1070 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; 1071 break; 1072 case IEEE80211_IOC_DWDS: 1073 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1074 break; 1075 case IEEE80211_IOC_INACTIVITY: 1076 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1077 break; 1078 case IEEE80211_IOC_APPIE: 1079 error = ieee80211_ioctl_getappie(vap, ireq); 1080 break; 1081 case IEEE80211_IOC_WPS: 1082 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1083 break; 1084 case IEEE80211_IOC_TSN: 1085 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1086 break; 1087 case IEEE80211_IOC_DFS: 1088 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1089 break; 1090 case IEEE80211_IOC_DOTD: 1091 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1092 break; 1093 case IEEE80211_IOC_DEVCAPS: 1094 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1095 break; 1096 case IEEE80211_IOC_HTPROTMODE: 1097 ireq->i_val = ic->ic_htprotmode; 1098 break; 1099 case IEEE80211_IOC_HTCONF: 1100 if (vap->iv_flags_ht & IEEE80211_FHT_HT) { 1101 ireq->i_val = 1; 1102 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) 1103 ireq->i_val |= 2; 1104 } else 1105 ireq->i_val = 0; 1106 break; 1107 case IEEE80211_IOC_STA_VLAN: 1108 error = ieee80211_ioctl_getstavlan(vap, ireq); 1109 break; 1110 case IEEE80211_IOC_SMPS: 1111 if (vap->iv_opmode == IEEE80211_M_STA && 1112 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) { 1113 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1114 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1115 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1116 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1117 else 1118 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1119 } else 1120 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1121 break; 1122 case IEEE80211_IOC_RIFS: 1123 if (vap->iv_opmode == IEEE80211_M_STA && 1124 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1125 ireq->i_val = 1126 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1127 else 1128 ireq->i_val = 1129 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; 1130 break; 1131 default: 1132 error = ieee80211_ioctl_getdefault(vap, ireq); 1133 break; 1134 } 1135 return error; 1136 #undef MS 1137 } 1138 1139 static int 1140 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1141 { 1142 struct ieee80211req_key ik; 1143 struct ieee80211_node *ni; 1144 struct ieee80211_key *wk; 1145 uint16_t kid; 1146 int error, i; 1147 1148 if (ireq->i_len != sizeof(ik)) 1149 return EINVAL; 1150 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1151 if (error) 1152 return error; 1153 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1154 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1155 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1156 return E2BIG; 1157 kid = ik.ik_keyix; 1158 if (kid == IEEE80211_KEYIX_NONE) { 1159 /* XXX unicast keys currently must be tx/rx */ 1160 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1161 return EINVAL; 1162 if (vap->iv_opmode == IEEE80211_M_STA) { 1163 ni = ieee80211_ref_node(vap->iv_bss); 1164 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1165 ieee80211_free_node(ni); 1166 return EADDRNOTAVAIL; 1167 } 1168 } else { 1169 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1170 ik.ik_macaddr); 1171 if (ni == NULL) 1172 return ENOENT; 1173 } 1174 wk = &ni->ni_ucastkey; 1175 } else { 1176 if (kid >= IEEE80211_WEP_NKID) 1177 return EINVAL; 1178 wk = &vap->iv_nw_keys[kid]; 1179 /* 1180 * Global slots start off w/o any assigned key index. 1181 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1182 */ 1183 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1184 wk->wk_keyix = kid; 1185 ni = NULL; 1186 } 1187 error = 0; 1188 ieee80211_key_update_begin(vap); 1189 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1190 wk->wk_keylen = ik.ik_keylen; 1191 /* NB: MIC presence is implied by cipher type */ 1192 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1193 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1194 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1195 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1196 wk->wk_keytsc = 0; /* new key, reset */ 1197 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1198 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1199 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1200 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1201 if (!ieee80211_crypto_setkey(vap, wk)) 1202 error = EIO; 1203 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1204 vap->iv_def_txkey = kid; 1205 } else 1206 error = ENXIO; 1207 ieee80211_key_update_end(vap); 1208 if (ni != NULL) 1209 ieee80211_free_node(ni); 1210 return error; 1211 } 1212 1213 static int 1214 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1215 { 1216 struct ieee80211req_del_key dk; 1217 int kid, error; 1218 1219 if (ireq->i_len != sizeof(dk)) 1220 return EINVAL; 1221 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1222 if (error) 1223 return error; 1224 kid = dk.idk_keyix; 1225 /* XXX uint8_t -> uint16_t */ 1226 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1227 struct ieee80211_node *ni; 1228 1229 if (vap->iv_opmode == IEEE80211_M_STA) { 1230 ni = ieee80211_ref_node(vap->iv_bss); 1231 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1232 ieee80211_free_node(ni); 1233 return EADDRNOTAVAIL; 1234 } 1235 } else { 1236 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1237 dk.idk_macaddr); 1238 if (ni == NULL) 1239 return ENOENT; 1240 } 1241 /* XXX error return */ 1242 ieee80211_node_delucastkey(ni); 1243 ieee80211_free_node(ni); 1244 } else { 1245 if (kid >= IEEE80211_WEP_NKID) 1246 return EINVAL; 1247 /* XXX error return */ 1248 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1249 } 1250 return 0; 1251 } 1252 1253 struct mlmeop { 1254 struct ieee80211vap *vap; 1255 int op; 1256 int reason; 1257 }; 1258 1259 static void 1260 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1261 int op, int reason) 1262 { 1263 #ifdef IEEE80211_DEBUG 1264 static const struct { 1265 int mask; 1266 const char *opstr; 1267 } ops[] = { 1268 { 0, "op#0" }, 1269 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1270 IEEE80211_MSG_ASSOC, "assoc" }, 1271 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1272 IEEE80211_MSG_ASSOC, "disassoc" }, 1273 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1274 IEEE80211_MSG_AUTH, "deauth" }, 1275 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1276 IEEE80211_MSG_AUTH, "authorize" }, 1277 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1278 IEEE80211_MSG_AUTH, "unauthorize" }, 1279 }; 1280 1281 if (op == IEEE80211_MLME_AUTH) { 1282 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1283 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1284 "station authenticate %s via MLME (reason %d)", 1285 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1286 reason); 1287 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1288 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1289 "unknown MLME request %d (reason %d)", op, reason); 1290 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1291 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1292 "station %s via MLME", ops[op].opstr); 1293 } else { 1294 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1295 "station %s via MLME (reason %d)", ops[op].opstr, reason); 1296 } 1297 #endif /* IEEE80211_DEBUG */ 1298 } 1299 1300 static void 1301 domlme(void *arg, struct ieee80211_node *ni) 1302 { 1303 struct mlmeop *mop = arg; 1304 struct ieee80211vap *vap = ni->ni_vap; 1305 1306 if (vap != mop->vap) 1307 return; 1308 /* 1309 * NB: if ni_associd is zero then the node is already cleaned 1310 * up and we don't need to do this (we're safely holding a 1311 * reference but should otherwise not modify it's state). 1312 */ 1313 if (ni->ni_associd == 0) 1314 return; 1315 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1316 if (mop->op == IEEE80211_MLME_DEAUTH) { 1317 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1318 mop->reason); 1319 } else { 1320 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1321 mop->reason); 1322 } 1323 ieee80211_node_leave(ni); 1324 } 1325 1326 static int 1327 setmlme_dropsta(struct ieee80211vap *vap, 1328 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1329 { 1330 struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta; 1331 struct ieee80211_node *ni; 1332 int error = 0; 1333 1334 /* NB: the broadcast address means do 'em all */ 1335 if (!IEEE80211_ADDR_EQ(mac, vap->iv_ifp->if_broadcastaddr)) { 1336 IEEE80211_NODE_LOCK(nt); 1337 ni = ieee80211_find_node_locked(nt, mac); 1338 IEEE80211_NODE_UNLOCK(nt); 1339 /* 1340 * Don't do the node update inside the node 1341 * table lock. This unfortunately causes LORs 1342 * with drivers and their TX paths. 1343 */ 1344 if (ni != NULL) { 1345 domlme(mlmeop, ni); 1346 ieee80211_free_node(ni); 1347 } else 1348 error = ENOENT; 1349 } else { 1350 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1351 } 1352 return error; 1353 } 1354 1355 static int 1356 setmlme_common(struct ieee80211vap *vap, int op, 1357 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1358 { 1359 struct ieee80211com *ic = vap->iv_ic; 1360 struct ieee80211_node_table *nt = &ic->ic_sta; 1361 struct ieee80211_node *ni; 1362 struct mlmeop mlmeop; 1363 int error; 1364 1365 error = 0; 1366 switch (op) { 1367 case IEEE80211_MLME_DISASSOC: 1368 case IEEE80211_MLME_DEAUTH: 1369 switch (vap->iv_opmode) { 1370 case IEEE80211_M_STA: 1371 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1372 /* XXX not quite right */ 1373 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1374 break; 1375 case IEEE80211_M_HOSTAP: 1376 mlmeop.vap = vap; 1377 mlmeop.op = op; 1378 mlmeop.reason = reason; 1379 error = setmlme_dropsta(vap, mac, &mlmeop); 1380 break; 1381 case IEEE80211_M_WDS: 1382 /* XXX user app should send raw frame? */ 1383 if (op != IEEE80211_MLME_DEAUTH) { 1384 error = EINVAL; 1385 break; 1386 } 1387 #if 0 1388 /* XXX accept any address, simplifies user code */ 1389 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1390 error = EINVAL; 1391 break; 1392 } 1393 #endif 1394 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1395 ni = ieee80211_ref_node(vap->iv_bss); 1396 IEEE80211_SEND_MGMT(ni, 1397 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1398 ieee80211_free_node(ni); 1399 break; 1400 case IEEE80211_M_MBSS: 1401 IEEE80211_NODE_LOCK(nt); 1402 ni = ieee80211_find_node_locked(nt, mac); 1403 /* 1404 * Don't do the node update inside the node 1405 * table lock. This unfortunately causes LORs 1406 * with drivers and their TX paths. 1407 */ 1408 IEEE80211_NODE_UNLOCK(nt); 1409 if (ni != NULL) { 1410 ieee80211_node_leave(ni); 1411 ieee80211_free_node(ni); 1412 } else { 1413 error = ENOENT; 1414 } 1415 break; 1416 default: 1417 error = EINVAL; 1418 break; 1419 } 1420 break; 1421 case IEEE80211_MLME_AUTHORIZE: 1422 case IEEE80211_MLME_UNAUTHORIZE: 1423 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1424 vap->iv_opmode != IEEE80211_M_WDS) { 1425 error = EINVAL; 1426 break; 1427 } 1428 IEEE80211_NODE_LOCK(nt); 1429 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1430 /* 1431 * Don't do the node update inside the node 1432 * table lock. This unfortunately causes LORs 1433 * with drivers and their TX paths. 1434 */ 1435 IEEE80211_NODE_UNLOCK(nt); 1436 if (ni != NULL) { 1437 mlmedebug(vap, mac, op, reason); 1438 if (op == IEEE80211_MLME_AUTHORIZE) 1439 ieee80211_node_authorize(ni); 1440 else 1441 ieee80211_node_unauthorize(ni); 1442 ieee80211_free_node(ni); 1443 } else 1444 error = ENOENT; 1445 break; 1446 case IEEE80211_MLME_AUTH: 1447 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1448 error = EINVAL; 1449 break; 1450 } 1451 IEEE80211_NODE_LOCK(nt); 1452 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1453 /* 1454 * Don't do the node update inside the node 1455 * table lock. This unfortunately causes LORs 1456 * with drivers and their TX paths. 1457 */ 1458 IEEE80211_NODE_UNLOCK(nt); 1459 if (ni != NULL) { 1460 mlmedebug(vap, mac, op, reason); 1461 if (reason == IEEE80211_STATUS_SUCCESS) { 1462 IEEE80211_SEND_MGMT(ni, 1463 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1464 /* 1465 * For shared key auth, just continue the 1466 * exchange. Otherwise when 802.1x is not in 1467 * use mark the port authorized at this point 1468 * so traffic can flow. 1469 */ 1470 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1471 ni->ni_challenge == NULL) 1472 ieee80211_node_authorize(ni); 1473 } else { 1474 vap->iv_stats.is_rx_acl++; 1475 ieee80211_send_error(ni, ni->ni_macaddr, 1476 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1477 ieee80211_node_leave(ni); 1478 } 1479 ieee80211_free_node(ni); 1480 } else 1481 error = ENOENT; 1482 break; 1483 default: 1484 error = EINVAL; 1485 break; 1486 } 1487 return error; 1488 } 1489 1490 struct scanlookup { 1491 const uint8_t *mac; 1492 int esslen; 1493 const uint8_t *essid; 1494 const struct ieee80211_scan_entry *se; 1495 }; 1496 1497 /* 1498 * Match mac address and any ssid. 1499 */ 1500 static void 1501 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1502 { 1503 struct scanlookup *look = arg; 1504 1505 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1506 return; 1507 if (look->esslen != 0) { 1508 if (se->se_ssid[1] != look->esslen) 1509 return; 1510 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1511 return; 1512 } 1513 look->se = se; 1514 } 1515 1516 static int 1517 setmlme_assoc_sta(struct ieee80211vap *vap, 1518 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1519 const uint8_t ssid[IEEE80211_NWID_LEN]) 1520 { 1521 struct scanlookup lookup; 1522 1523 KASSERT(vap->iv_opmode == IEEE80211_M_STA, 1524 ("expected opmode STA not %s", 1525 ieee80211_opmode_name[vap->iv_opmode])); 1526 1527 /* NB: this is racey if roaming is !manual */ 1528 lookup.se = NULL; 1529 lookup.mac = mac; 1530 lookup.esslen = ssid_len; 1531 lookup.essid = ssid; 1532 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1533 if (lookup.se == NULL) 1534 return ENOENT; 1535 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1536 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1537 return EIO; /* XXX unique but could be better */ 1538 return 0; 1539 } 1540 1541 static int 1542 setmlme_assoc_adhoc(struct ieee80211vap *vap, 1543 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1544 const uint8_t ssid[IEEE80211_NWID_LEN]) 1545 { 1546 struct ieee80211_scan_req *sr; 1547 int error; 1548 1549 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS || 1550 vap->iv_opmode == IEEE80211_M_AHDEMO, 1551 ("expected opmode IBSS or AHDEMO not %s", 1552 ieee80211_opmode_name[vap->iv_opmode])); 1553 1554 if (ssid_len == 0) 1555 return EINVAL; 1556 1557 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 1558 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1559 if (sr == NULL) 1560 return ENOMEM; 1561 1562 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */ 1563 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 1564 vap->iv_des_ssid[0].len = ssid_len; 1565 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len); 1566 vap->iv_des_nssid = 1; 1567 1568 sr->sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE; 1569 sr->sr_duration = IEEE80211_IOC_SCAN_FOREVER; 1570 memcpy(sr->sr_ssid[0].ssid, ssid, ssid_len); 1571 sr->sr_ssid[0].len = ssid_len; 1572 sr->sr_nssid = 1; 1573 1574 error = ieee80211_scanreq(vap, sr); 1575 1576 IEEE80211_FREE(sr, M_TEMP); 1577 return error; 1578 } 1579 1580 static int 1581 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1582 { 1583 struct ieee80211req_mlme mlme; 1584 int error; 1585 1586 if (ireq->i_len != sizeof(mlme)) 1587 return EINVAL; 1588 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1589 if (error) 1590 return error; 1591 if (vap->iv_opmode == IEEE80211_M_STA && 1592 mlme.im_op == IEEE80211_MLME_ASSOC) 1593 return setmlme_assoc_sta(vap, mlme.im_macaddr, 1594 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1595 else if ((vap->iv_opmode == IEEE80211_M_IBSS || 1596 vap->iv_opmode == IEEE80211_M_AHDEMO) && 1597 mlme.im_op == IEEE80211_MLME_ASSOC) 1598 return setmlme_assoc_adhoc(vap, mlme.im_macaddr, 1599 mlme.im_ssid_len, mlme.im_ssid); 1600 else 1601 return setmlme_common(vap, mlme.im_op, 1602 mlme.im_macaddr, mlme.im_reason); 1603 } 1604 1605 static int 1606 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1607 { 1608 uint8_t mac[IEEE80211_ADDR_LEN]; 1609 const struct ieee80211_aclator *acl = vap->iv_acl; 1610 int error; 1611 1612 if (ireq->i_len != sizeof(mac)) 1613 return EINVAL; 1614 error = copyin(ireq->i_data, mac, ireq->i_len); 1615 if (error) 1616 return error; 1617 if (acl == NULL) { 1618 acl = ieee80211_aclator_get("mac"); 1619 if (acl == NULL || !acl->iac_attach(vap)) 1620 return EINVAL; 1621 vap->iv_acl = acl; 1622 } 1623 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1624 acl->iac_add(vap, mac); 1625 else 1626 acl->iac_remove(vap, mac); 1627 return 0; 1628 } 1629 1630 static int 1631 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1632 { 1633 const struct ieee80211_aclator *acl = vap->iv_acl; 1634 1635 switch (ireq->i_val) { 1636 case IEEE80211_MACCMD_POLICY_OPEN: 1637 case IEEE80211_MACCMD_POLICY_ALLOW: 1638 case IEEE80211_MACCMD_POLICY_DENY: 1639 case IEEE80211_MACCMD_POLICY_RADIUS: 1640 if (acl == NULL) { 1641 acl = ieee80211_aclator_get("mac"); 1642 if (acl == NULL || !acl->iac_attach(vap)) 1643 return EINVAL; 1644 vap->iv_acl = acl; 1645 } 1646 acl->iac_setpolicy(vap, ireq->i_val); 1647 break; 1648 case IEEE80211_MACCMD_FLUSH: 1649 if (acl != NULL) 1650 acl->iac_flush(vap); 1651 /* NB: silently ignore when not in use */ 1652 break; 1653 case IEEE80211_MACCMD_DETACH: 1654 if (acl != NULL) { 1655 vap->iv_acl = NULL; 1656 acl->iac_detach(vap); 1657 } 1658 break; 1659 default: 1660 if (acl == NULL) 1661 return EINVAL; 1662 else 1663 return acl->iac_setioctl(vap, ireq); 1664 } 1665 return 0; 1666 } 1667 1668 static int 1669 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1670 { 1671 struct ieee80211com *ic = vap->iv_ic; 1672 uint8_t *chanlist, *list; 1673 int i, nchan, maxchan, error; 1674 1675 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1676 ireq->i_len = sizeof(ic->ic_chan_active); 1677 list = IEEE80211_MALLOC(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1678 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1679 if (list == NULL) 1680 return ENOMEM; 1681 error = copyin(ireq->i_data, list, ireq->i_len); 1682 if (error) { 1683 IEEE80211_FREE(list, M_TEMP); 1684 return error; 1685 } 1686 nchan = 0; 1687 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1688 maxchan = ireq->i_len * NBBY; 1689 for (i = 0; i < ic->ic_nchans; i++) { 1690 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1691 /* 1692 * Calculate the intersection of the user list and the 1693 * available channels so users can do things like specify 1694 * 1-255 to get all available channels. 1695 */ 1696 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1697 setbit(chanlist, c->ic_ieee); 1698 nchan++; 1699 } 1700 } 1701 if (nchan == 0) { 1702 IEEE80211_FREE(list, M_TEMP); 1703 return EINVAL; 1704 } 1705 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1706 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1707 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1708 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1709 ieee80211_scan_flush(vap); 1710 IEEE80211_FREE(list, M_TEMP); 1711 return ENETRESET; 1712 } 1713 1714 static int 1715 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1716 { 1717 struct ieee80211_node *ni; 1718 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1719 int error; 1720 1721 /* 1722 * NB: we could copyin ieee80211req_sta_stats so apps 1723 * could make selective changes but that's overkill; 1724 * just clear all stats for now. 1725 */ 1726 if (ireq->i_len < IEEE80211_ADDR_LEN) 1727 return EINVAL; 1728 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1729 if (error != 0) 1730 return error; 1731 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1732 if (ni == NULL) 1733 return ENOENT; 1734 /* XXX require ni_vap == vap? */ 1735 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1736 ieee80211_free_node(ni); 1737 return 0; 1738 } 1739 1740 static int 1741 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1742 { 1743 struct ieee80211_node *ni; 1744 struct ieee80211req_sta_txpow txpow; 1745 int error; 1746 1747 if (ireq->i_len != sizeof(txpow)) 1748 return EINVAL; 1749 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1750 if (error != 0) 1751 return error; 1752 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1753 if (ni == NULL) 1754 return ENOENT; 1755 ni->ni_txpower = txpow.it_txpow; 1756 ieee80211_free_node(ni); 1757 return error; 1758 } 1759 1760 static int 1761 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1762 { 1763 struct ieee80211com *ic = vap->iv_ic; 1764 struct ieee80211_wme_state *wme = &ic->ic_wme; 1765 struct wmeParams *wmep, *chanp; 1766 int isbss, ac, aggrmode; 1767 1768 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1769 return EOPNOTSUPP; 1770 1771 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1772 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1773 aggrmode = (wme->wme_flags & WME_F_AGGRMODE); 1774 if (ac >= WME_NUM_AC) 1775 ac = WME_AC_BE; 1776 if (isbss) { 1777 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1778 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1779 } else { 1780 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1781 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1782 } 1783 switch (ireq->i_type) { 1784 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1785 wmep->wmep_logcwmin = ireq->i_val; 1786 if (!isbss || !aggrmode) 1787 chanp->wmep_logcwmin = ireq->i_val; 1788 break; 1789 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1790 wmep->wmep_logcwmax = ireq->i_val; 1791 if (!isbss || !aggrmode) 1792 chanp->wmep_logcwmax = ireq->i_val; 1793 break; 1794 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1795 wmep->wmep_aifsn = ireq->i_val; 1796 if (!isbss || !aggrmode) 1797 chanp->wmep_aifsn = ireq->i_val; 1798 break; 1799 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1800 wmep->wmep_txopLimit = ireq->i_val; 1801 if (!isbss || !aggrmode) 1802 chanp->wmep_txopLimit = ireq->i_val; 1803 break; 1804 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1805 wmep->wmep_acm = ireq->i_val; 1806 if (!aggrmode) 1807 chanp->wmep_acm = ireq->i_val; 1808 break; 1809 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1810 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1811 (ireq->i_val) == 0; 1812 break; 1813 } 1814 ieee80211_wme_updateparams(vap); 1815 return 0; 1816 } 1817 1818 static int 1819 find11gchannel(struct ieee80211com *ic, int start, int freq) 1820 { 1821 const struct ieee80211_channel *c; 1822 int i; 1823 1824 for (i = start+1; i < ic->ic_nchans; i++) { 1825 c = &ic->ic_channels[i]; 1826 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1827 return 1; 1828 } 1829 /* NB: should not be needed but in case things are mis-sorted */ 1830 for (i = 0; i < start; i++) { 1831 c = &ic->ic_channels[i]; 1832 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1833 return 1; 1834 } 1835 return 0; 1836 } 1837 1838 static struct ieee80211_channel * 1839 findchannel(struct ieee80211com *ic, int ieee, int mode) 1840 { 1841 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1842 [IEEE80211_MODE_AUTO] = 0, 1843 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1844 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1845 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1846 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1847 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1848 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1849 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1850 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1851 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1852 /* NB: handled specially below */ 1853 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1854 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1855 }; 1856 u_int modeflags; 1857 int i; 1858 1859 modeflags = chanflags[mode]; 1860 for (i = 0; i < ic->ic_nchans; i++) { 1861 struct ieee80211_channel *c = &ic->ic_channels[i]; 1862 1863 if (c->ic_ieee != ieee) 1864 continue; 1865 if (mode == IEEE80211_MODE_AUTO) { 1866 /* ignore turbo channels for autoselect */ 1867 if (IEEE80211_IS_CHAN_TURBO(c)) 1868 continue; 1869 /* 1870 * XXX special-case 11b/g channels so we 1871 * always select the g channel if both 1872 * are present. 1873 * XXX prefer HT to non-HT? 1874 */ 1875 if (!IEEE80211_IS_CHAN_B(c) || 1876 !find11gchannel(ic, i, c->ic_freq)) 1877 return c; 1878 } else { 1879 /* must check HT specially */ 1880 if ((mode == IEEE80211_MODE_11NA || 1881 mode == IEEE80211_MODE_11NG) && 1882 !IEEE80211_IS_CHAN_HT(c)) 1883 continue; 1884 if ((c->ic_flags & modeflags) == modeflags) 1885 return c; 1886 } 1887 } 1888 return NULL; 1889 } 1890 1891 /* 1892 * Check the specified against any desired mode (aka netband). 1893 * This is only used (presently) when operating in hostap mode 1894 * to enforce consistency. 1895 */ 1896 static int 1897 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1898 { 1899 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1900 1901 switch (mode) { 1902 case IEEE80211_MODE_11B: 1903 return (IEEE80211_IS_CHAN_B(c)); 1904 case IEEE80211_MODE_11G: 1905 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1906 case IEEE80211_MODE_11A: 1907 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1908 case IEEE80211_MODE_STURBO_A: 1909 return (IEEE80211_IS_CHAN_STURBO(c)); 1910 case IEEE80211_MODE_11NA: 1911 return (IEEE80211_IS_CHAN_HTA(c)); 1912 case IEEE80211_MODE_11NG: 1913 return (IEEE80211_IS_CHAN_HTG(c)); 1914 } 1915 return 1; 1916 1917 } 1918 1919 /* 1920 * Common code to set the current channel. If the device 1921 * is up and running this may result in an immediate channel 1922 * change or a kick of the state machine. 1923 */ 1924 static int 1925 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 1926 { 1927 struct ieee80211com *ic = vap->iv_ic; 1928 int error; 1929 1930 if (c != IEEE80211_CHAN_ANYC) { 1931 if (IEEE80211_IS_CHAN_RADAR(c)) 1932 return EBUSY; /* XXX better code? */ 1933 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 1934 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 1935 return EINVAL; 1936 if (!check_mode_consistency(c, vap->iv_des_mode)) 1937 return EINVAL; 1938 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 1939 if (IEEE80211_IS_CHAN_NOADHOC(c)) 1940 return EINVAL; 1941 } 1942 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) && 1943 vap->iv_bss->ni_chan == c) 1944 return 0; /* NB: nothing to do */ 1945 } 1946 vap->iv_des_chan = c; 1947 1948 error = 0; 1949 if (vap->iv_opmode == IEEE80211_M_MONITOR && 1950 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1951 /* 1952 * Monitor mode can switch directly. 1953 */ 1954 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 1955 /* XXX need state machine for other vap's to follow */ 1956 ieee80211_setcurchan(ic, vap->iv_des_chan); 1957 vap->iv_bss->ni_chan = ic->ic_curchan; 1958 } else 1959 ic->ic_curchan = vap->iv_des_chan; 1960 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1961 } else { 1962 /* 1963 * Need to go through the state machine in case we 1964 * need to reassociate or the like. The state machine 1965 * will pickup the desired channel and avoid scanning. 1966 */ 1967 if (IS_UP_AUTO(vap)) 1968 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 1969 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1970 /* 1971 * When not up+running and a real channel has 1972 * been specified fix the current channel so 1973 * there is immediate feedback; e.g. via ifconfig. 1974 */ 1975 ic->ic_curchan = vap->iv_des_chan; 1976 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1977 } 1978 } 1979 return error; 1980 } 1981 1982 /* 1983 * Old api for setting the current channel; this is 1984 * deprecated because channel numbers are ambiguous. 1985 */ 1986 static int 1987 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 1988 const struct ieee80211req *ireq) 1989 { 1990 struct ieee80211com *ic = vap->iv_ic; 1991 struct ieee80211_channel *c; 1992 1993 /* XXX 0xffff overflows 16-bit signed */ 1994 if (ireq->i_val == 0 || 1995 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 1996 c = IEEE80211_CHAN_ANYC; 1997 } else { 1998 struct ieee80211_channel *c2; 1999 2000 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 2001 if (c == NULL) { 2002 c = findchannel(ic, ireq->i_val, 2003 IEEE80211_MODE_AUTO); 2004 if (c == NULL) 2005 return EINVAL; 2006 } 2007 /* 2008 * Fine tune channel selection based on desired mode: 2009 * if 11b is requested, find the 11b version of any 2010 * 11g channel returned, 2011 * if static turbo, find the turbo version of any 2012 * 11a channel return, 2013 * if 11na is requested, find the ht version of any 2014 * 11a channel returned, 2015 * if 11ng is requested, find the ht version of any 2016 * 11g channel returned, 2017 * otherwise we should be ok with what we've got. 2018 */ 2019 switch (vap->iv_des_mode) { 2020 case IEEE80211_MODE_11B: 2021 if (IEEE80211_IS_CHAN_ANYG(c)) { 2022 c2 = findchannel(ic, ireq->i_val, 2023 IEEE80211_MODE_11B); 2024 /* NB: should not happen, =>'s 11g w/o 11b */ 2025 if (c2 != NULL) 2026 c = c2; 2027 } 2028 break; 2029 case IEEE80211_MODE_TURBO_A: 2030 if (IEEE80211_IS_CHAN_A(c)) { 2031 c2 = findchannel(ic, ireq->i_val, 2032 IEEE80211_MODE_TURBO_A); 2033 if (c2 != NULL) 2034 c = c2; 2035 } 2036 break; 2037 case IEEE80211_MODE_11NA: 2038 if (IEEE80211_IS_CHAN_A(c)) { 2039 c2 = findchannel(ic, ireq->i_val, 2040 IEEE80211_MODE_11NA); 2041 if (c2 != NULL) 2042 c = c2; 2043 } 2044 break; 2045 case IEEE80211_MODE_11NG: 2046 if (IEEE80211_IS_CHAN_ANYG(c)) { 2047 c2 = findchannel(ic, ireq->i_val, 2048 IEEE80211_MODE_11NG); 2049 if (c2 != NULL) 2050 c = c2; 2051 } 2052 break; 2053 default: /* NB: no static turboG */ 2054 break; 2055 } 2056 } 2057 return setcurchan(vap, c); 2058 } 2059 2060 /* 2061 * New/current api for setting the current channel; a complete 2062 * channel description is provide so there is no ambiguity in 2063 * identifying the channel. 2064 */ 2065 static int 2066 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 2067 const struct ieee80211req *ireq) 2068 { 2069 struct ieee80211com *ic = vap->iv_ic; 2070 struct ieee80211_channel chan, *c; 2071 int error; 2072 2073 if (ireq->i_len != sizeof(chan)) 2074 return EINVAL; 2075 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2076 if (error != 0) 2077 return error; 2078 /* XXX 0xffff overflows 16-bit signed */ 2079 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2080 c = IEEE80211_CHAN_ANYC; 2081 } else { 2082 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2083 if (c == NULL) 2084 return EINVAL; 2085 } 2086 return setcurchan(vap, c); 2087 } 2088 2089 static int 2090 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2091 const struct ieee80211req *ireq) 2092 { 2093 struct ieee80211_regdomain_req *reg; 2094 int nchans, error; 2095 2096 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2097 sizeof(struct ieee80211_channel)); 2098 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2099 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2100 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2101 ireq->i_len, nchans); 2102 return EINVAL; 2103 } 2104 reg = (struct ieee80211_regdomain_req *) 2105 IEEE80211_MALLOC(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, 2106 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2107 if (reg == NULL) { 2108 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2109 "%s: no memory, nchans %d\n", __func__, nchans); 2110 return ENOMEM; 2111 } 2112 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2113 if (error == 0) { 2114 /* NB: validate inline channel count against storage size */ 2115 if (reg->chaninfo.ic_nchans != nchans) { 2116 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2117 "%s: chan cnt mismatch, %d != %d\n", __func__, 2118 reg->chaninfo.ic_nchans, nchans); 2119 error = EINVAL; 2120 } else 2121 error = ieee80211_setregdomain(vap, reg); 2122 } 2123 IEEE80211_FREE(reg, M_TEMP); 2124 2125 return (error == 0 ? ENETRESET : error); 2126 } 2127 2128 static int 2129 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2130 const struct ieee80211req *ireq) 2131 { 2132 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2133 return EINVAL; 2134 /* XXX validate params */ 2135 /* XXX? ENETRESET to push to device? */ 2136 return copyin(ireq->i_data, vap->iv_roamparms, 2137 sizeof(vap->iv_roamparms)); 2138 } 2139 2140 static int 2141 checkrate(const struct ieee80211_rateset *rs, int rate) 2142 { 2143 int i; 2144 2145 if (rate == IEEE80211_FIXED_RATE_NONE) 2146 return 1; 2147 for (i = 0; i < rs->rs_nrates; i++) 2148 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2149 return 1; 2150 return 0; 2151 } 2152 2153 static int 2154 checkmcs(int mcs) 2155 { 2156 if (mcs == IEEE80211_FIXED_RATE_NONE) 2157 return 1; 2158 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2159 return 0; 2160 return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */ 2161 } 2162 2163 static int 2164 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2165 const struct ieee80211req *ireq) 2166 { 2167 struct ieee80211com *ic = vap->iv_ic; 2168 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2169 struct ieee80211_txparam *src, *dst; 2170 const struct ieee80211_rateset *rs; 2171 int error, mode, changed, is11n, nmodes; 2172 2173 /* NB: accept short requests for backwards compat */ 2174 if (ireq->i_len > sizeof(parms)) 2175 return EINVAL; 2176 error = copyin(ireq->i_data, &parms, ireq->i_len); 2177 if (error != 0) 2178 return error; 2179 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2180 changed = 0; 2181 /* validate parameters and check if anything changed */ 2182 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2183 if (isclr(ic->ic_modecaps, mode)) 2184 continue; 2185 src = &parms.params[mode]; 2186 dst = &vap->iv_txparms[mode]; 2187 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2188 is11n = (mode == IEEE80211_MODE_11NA || 2189 mode == IEEE80211_MODE_11NG); 2190 if (src->ucastrate != dst->ucastrate) { 2191 if (!checkrate(rs, src->ucastrate) && 2192 (!is11n || !checkmcs(src->ucastrate))) 2193 return EINVAL; 2194 changed++; 2195 } 2196 if (src->mcastrate != dst->mcastrate) { 2197 if (!checkrate(rs, src->mcastrate) && 2198 (!is11n || !checkmcs(src->mcastrate))) 2199 return EINVAL; 2200 changed++; 2201 } 2202 if (src->mgmtrate != dst->mgmtrate) { 2203 if (!checkrate(rs, src->mgmtrate) && 2204 (!is11n || !checkmcs(src->mgmtrate))) 2205 return EINVAL; 2206 changed++; 2207 } 2208 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2209 changed++; 2210 } 2211 if (changed) { 2212 /* 2213 * Copy new parameters in place and notify the 2214 * driver so it can push state to the device. 2215 */ 2216 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2217 if (isset(ic->ic_modecaps, mode)) 2218 vap->iv_txparms[mode] = parms.params[mode]; 2219 } 2220 /* XXX could be more intelligent, 2221 e.g. don't reset if setting not being used */ 2222 return ENETRESET; 2223 } 2224 return 0; 2225 } 2226 2227 /* 2228 * Application Information Element support. 2229 */ 2230 static int 2231 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2232 { 2233 struct ieee80211_appie *app = *aie; 2234 struct ieee80211_appie *napp; 2235 int error; 2236 2237 if (ireq->i_len == 0) { /* delete any existing ie */ 2238 if (app != NULL) { 2239 *aie = NULL; /* XXX racey */ 2240 IEEE80211_FREE(app, M_80211_NODE_IE); 2241 } 2242 return 0; 2243 } 2244 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2245 return EINVAL; 2246 /* 2247 * Allocate a new appie structure and copy in the user data. 2248 * When done swap in the new structure. Note that we do not 2249 * guard against users holding a ref to the old structure; 2250 * this must be handled outside this code. 2251 * 2252 * XXX bad bad bad 2253 */ 2254 napp = (struct ieee80211_appie *) IEEE80211_MALLOC( 2255 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, 2256 IEEE80211_M_NOWAIT); 2257 if (napp == NULL) 2258 return ENOMEM; 2259 /* XXX holding ic lock */ 2260 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2261 if (error) { 2262 IEEE80211_FREE(napp, M_80211_NODE_IE); 2263 return error; 2264 } 2265 napp->ie_len = ireq->i_len; 2266 *aie = napp; 2267 if (app != NULL) 2268 IEEE80211_FREE(app, M_80211_NODE_IE); 2269 return 0; 2270 } 2271 2272 static void 2273 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2274 { 2275 /* validate data is present as best we can */ 2276 if (space == 0 || 2+ie[1] > space) 2277 return; 2278 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2279 vap->iv_wpa_ie = ie; 2280 else if (ie[0] == IEEE80211_ELEMID_RSN) 2281 vap->iv_rsn_ie = ie; 2282 } 2283 2284 static int 2285 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2286 const struct ieee80211req *ireq, int fc0) 2287 { 2288 int error; 2289 2290 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2291 2292 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2293 case IEEE80211_FC0_SUBTYPE_BEACON: 2294 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2295 vap->iv_opmode != IEEE80211_M_IBSS) { 2296 error = EINVAL; 2297 break; 2298 } 2299 error = setappie(&vap->iv_appie_beacon, ireq); 2300 if (error == 0) 2301 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2302 break; 2303 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2304 error = setappie(&vap->iv_appie_proberesp, ireq); 2305 break; 2306 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2307 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2308 error = setappie(&vap->iv_appie_assocresp, ireq); 2309 else 2310 error = EINVAL; 2311 break; 2312 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2313 error = setappie(&vap->iv_appie_probereq, ireq); 2314 break; 2315 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2316 if (vap->iv_opmode == IEEE80211_M_STA) 2317 error = setappie(&vap->iv_appie_assocreq, ireq); 2318 else 2319 error = EINVAL; 2320 break; 2321 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2322 error = setappie(&vap->iv_appie_wpa, ireq); 2323 if (error == 0) { 2324 /* 2325 * Must split single blob of data into separate 2326 * WPA and RSN ie's because they go in different 2327 * locations in the mgt frames. 2328 * XXX use IEEE80211_IOC_WPA2 so user code does split 2329 */ 2330 vap->iv_wpa_ie = NULL; 2331 vap->iv_rsn_ie = NULL; 2332 if (vap->iv_appie_wpa != NULL) { 2333 struct ieee80211_appie *appie = 2334 vap->iv_appie_wpa; 2335 uint8_t *data = appie->ie_data; 2336 2337 /* XXX ie length validate is painful, cheat */ 2338 setwparsnie(vap, data, appie->ie_len); 2339 setwparsnie(vap, data + 2 + data[1], 2340 appie->ie_len - (2 + data[1])); 2341 } 2342 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2343 vap->iv_opmode == IEEE80211_M_IBSS) { 2344 /* 2345 * Must rebuild beacon frame as the update 2346 * mechanism doesn't handle WPA/RSN ie's. 2347 * Could extend it but it doesn't normally 2348 * change; this is just to deal with hostapd 2349 * plumbing the ie after the interface is up. 2350 */ 2351 error = ENETRESET; 2352 } 2353 } 2354 break; 2355 default: 2356 error = EINVAL; 2357 break; 2358 } 2359 return error; 2360 } 2361 2362 static int 2363 ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2364 const struct ieee80211req *ireq) 2365 { 2366 struct ieee80211com *ic = vap->iv_ic; 2367 int error; 2368 uint8_t fc0; 2369 2370 fc0 = ireq->i_val & 0xff; 2371 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2372 return EINVAL; 2373 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2374 IEEE80211_LOCK(ic); 2375 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2376 IEEE80211_UNLOCK(ic); 2377 return error; 2378 } 2379 2380 static int 2381 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2382 { 2383 struct ieee80211com *ic = vap->iv_ic; 2384 struct ieee80211_chanswitch_req csr; 2385 struct ieee80211_channel *c; 2386 int error; 2387 2388 if (ireq->i_len != sizeof(csr)) 2389 return EINVAL; 2390 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2391 if (error != 0) 2392 return error; 2393 /* XXX adhoc mode not supported */ 2394 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2395 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2396 return EOPNOTSUPP; 2397 c = ieee80211_find_channel(ic, 2398 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2399 if (c == NULL) 2400 return ENOENT; 2401 IEEE80211_LOCK(ic); 2402 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2403 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2404 else if (csr.csa_count == 0) 2405 ieee80211_csa_cancelswitch(ic); 2406 else 2407 error = EBUSY; 2408 IEEE80211_UNLOCK(ic); 2409 return error; 2410 } 2411 2412 static int 2413 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr) 2414 { 2415 #define IEEE80211_IOC_SCAN_FLAGS \ 2416 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2417 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2418 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2419 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2420 IEEE80211_IOC_SCAN_CHECK) 2421 struct ieee80211com *ic = vap->iv_ic; 2422 int error, i; 2423 2424 /* convert duration */ 2425 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2426 sr->sr_duration = IEEE80211_SCAN_FOREVER; 2427 else { 2428 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2429 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2430 return EINVAL; 2431 sr->sr_duration = msecs_to_ticks(sr->sr_duration); 2432 if (sr->sr_duration < 1) 2433 sr->sr_duration = 1; 2434 } 2435 /* convert min/max channel dwell */ 2436 if (sr->sr_mindwell != 0) { 2437 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell); 2438 if (sr->sr_mindwell < 1) 2439 sr->sr_mindwell = 1; 2440 } 2441 if (sr->sr_maxdwell != 0) { 2442 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell); 2443 if (sr->sr_maxdwell < 1) 2444 sr->sr_maxdwell = 1; 2445 } 2446 /* NB: silently reduce ssid count to what is supported */ 2447 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID) 2448 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID; 2449 for (i = 0; i < sr->sr_nssid; i++) 2450 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN) 2451 return EINVAL; 2452 /* cleanse flags just in case, could reject if invalid flags */ 2453 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2454 /* 2455 * Add an implicit NOPICK if the vap is not marked UP. This 2456 * allows applications to scan without joining a bss (or picking 2457 * a channel and setting up a bss) and without forcing manual 2458 * roaming mode--you just need to mark the parent device UP. 2459 */ 2460 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2461 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2462 2463 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2464 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2465 __func__, sr->sr_flags, 2466 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2467 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid); 2468 /* 2469 * If we are in INIT state then the driver has never had a chance 2470 * to setup hardware state to do a scan; we must use the state 2471 * machine to get us up to the SCAN state but once we reach SCAN 2472 * state we then want to use the supplied params. Stash the 2473 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2474 * state machines will recognize this and use the stashed params 2475 * to issue the scan request. 2476 * 2477 * Otherwise just invoke the scan machinery directly. 2478 */ 2479 IEEE80211_LOCK(ic); 2480 if (vap->iv_state == IEEE80211_S_INIT) { 2481 /* NB: clobbers previous settings */ 2482 vap->iv_scanreq_flags = sr->sr_flags; 2483 vap->iv_scanreq_duration = sr->sr_duration; 2484 vap->iv_scanreq_nssid = sr->sr_nssid; 2485 for (i = 0; i < sr->sr_nssid; i++) { 2486 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len; 2487 memcpy(vap->iv_scanreq_ssid[i].ssid, 2488 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len); 2489 } 2490 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2491 IEEE80211_UNLOCK(ic); 2492 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2493 } else { 2494 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2495 IEEE80211_UNLOCK(ic); 2496 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2497 error = ieee80211_check_scan(vap, sr->sr_flags, 2498 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2499 sr->sr_nssid, 2500 /* NB: cheat, we assume structures are compatible */ 2501 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2502 } else { 2503 error = ieee80211_start_scan(vap, sr->sr_flags, 2504 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2505 sr->sr_nssid, 2506 /* NB: cheat, we assume structures are compatible */ 2507 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2508 } 2509 if (error == 0) 2510 return EINPROGRESS; 2511 } 2512 return 0; 2513 #undef IEEE80211_IOC_SCAN_FLAGS 2514 } 2515 2516 static int 2517 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2518 { 2519 struct ieee80211_scan_req *sr; 2520 int error; 2521 2522 if (ireq->i_len != sizeof(*sr)) 2523 return EINVAL; 2524 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 2525 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2526 if (sr == NULL) 2527 return ENOMEM; 2528 error = copyin(ireq->i_data, sr, sizeof(*sr)); 2529 if (error != 0) 2530 goto bad; 2531 error = ieee80211_scanreq(vap, sr); 2532 bad: 2533 IEEE80211_FREE(sr, M_TEMP); 2534 return error; 2535 } 2536 2537 static int 2538 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2539 { 2540 struct ieee80211_node *ni; 2541 struct ieee80211req_sta_vlan vlan; 2542 int error; 2543 2544 if (ireq->i_len != sizeof(vlan)) 2545 return EINVAL; 2546 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2547 if (error != 0) 2548 return error; 2549 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2550 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2551 vlan.sv_macaddr); 2552 if (ni == NULL) 2553 return ENOENT; 2554 } else 2555 ni = ieee80211_ref_node(vap->iv_bss); 2556 ni->ni_vlan = vlan.sv_vlan; 2557 ieee80211_free_node(ni); 2558 return error; 2559 } 2560 2561 static int 2562 isvap11g(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_ANYG(bss->ni_chan); 2567 } 2568 2569 static int 2570 isvapht(const struct ieee80211vap *vap) 2571 { 2572 const struct ieee80211_node *bss = vap->iv_bss; 2573 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2574 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2575 } 2576 2577 /* 2578 * Dummy ioctl set handler so the linker set is defined. 2579 */ 2580 static int 2581 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2582 { 2583 return ENOSYS; 2584 } 2585 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2586 2587 static int 2588 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2589 { 2590 ieee80211_ioctl_setfunc * const *set; 2591 int error; 2592 2593 SET_FOREACH(set, ieee80211_ioctl_setset) { 2594 error = (*set)(vap, ireq); 2595 if (error != ENOSYS) 2596 return error; 2597 } 2598 return EINVAL; 2599 } 2600 2601 static int 2602 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2603 { 2604 struct ieee80211com *ic = vap->iv_ic; 2605 int error; 2606 const struct ieee80211_authenticator *auth; 2607 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2608 char tmpssid[IEEE80211_NWID_LEN]; 2609 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2610 struct ieee80211_key *k; 2611 u_int kid; 2612 uint32_t flags; 2613 2614 error = 0; 2615 switch (ireq->i_type) { 2616 case IEEE80211_IOC_SSID: 2617 if (ireq->i_val != 0 || 2618 ireq->i_len > IEEE80211_NWID_LEN) 2619 return EINVAL; 2620 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2621 if (error) 2622 break; 2623 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2624 vap->iv_des_ssid[0].len = ireq->i_len; 2625 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2626 vap->iv_des_nssid = (ireq->i_len > 0); 2627 error = ENETRESET; 2628 break; 2629 case IEEE80211_IOC_WEP: 2630 switch (ireq->i_val) { 2631 case IEEE80211_WEP_OFF: 2632 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2633 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2634 break; 2635 case IEEE80211_WEP_ON: 2636 vap->iv_flags |= IEEE80211_F_PRIVACY; 2637 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2638 break; 2639 case IEEE80211_WEP_MIXED: 2640 vap->iv_flags |= IEEE80211_F_PRIVACY; 2641 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2642 break; 2643 } 2644 error = ENETRESET; 2645 break; 2646 case IEEE80211_IOC_WEPKEY: 2647 kid = (u_int) ireq->i_val; 2648 if (kid >= IEEE80211_WEP_NKID) 2649 return EINVAL; 2650 k = &vap->iv_nw_keys[kid]; 2651 if (ireq->i_len == 0) { 2652 /* zero-len =>'s delete any existing key */ 2653 (void) ieee80211_crypto_delkey(vap, k); 2654 break; 2655 } 2656 if (ireq->i_len > sizeof(tmpkey)) 2657 return EINVAL; 2658 memset(tmpkey, 0, sizeof(tmpkey)); 2659 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2660 if (error) 2661 break; 2662 ieee80211_key_update_begin(vap); 2663 k->wk_keyix = kid; /* NB: force fixed key id */ 2664 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2665 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2666 k->wk_keylen = ireq->i_len; 2667 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2668 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2669 if (!ieee80211_crypto_setkey(vap, k)) 2670 error = EINVAL; 2671 } else 2672 error = EINVAL; 2673 ieee80211_key_update_end(vap); 2674 break; 2675 case IEEE80211_IOC_WEPTXKEY: 2676 kid = (u_int) ireq->i_val; 2677 if (kid >= IEEE80211_WEP_NKID && 2678 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2679 return EINVAL; 2680 vap->iv_def_txkey = kid; 2681 break; 2682 case IEEE80211_IOC_AUTHMODE: 2683 switch (ireq->i_val) { 2684 case IEEE80211_AUTH_WPA: 2685 case IEEE80211_AUTH_8021X: /* 802.1x */ 2686 case IEEE80211_AUTH_OPEN: /* open */ 2687 case IEEE80211_AUTH_SHARED: /* shared-key */ 2688 case IEEE80211_AUTH_AUTO: /* auto */ 2689 auth = ieee80211_authenticator_get(ireq->i_val); 2690 if (auth == NULL) 2691 return EINVAL; 2692 break; 2693 default: 2694 return EINVAL; 2695 } 2696 switch (ireq->i_val) { 2697 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2698 vap->iv_flags |= IEEE80211_F_PRIVACY; 2699 ireq->i_val = IEEE80211_AUTH_8021X; 2700 break; 2701 case IEEE80211_AUTH_OPEN: /* open */ 2702 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2703 break; 2704 case IEEE80211_AUTH_SHARED: /* shared-key */ 2705 case IEEE80211_AUTH_8021X: /* 802.1x */ 2706 vap->iv_flags &= ~IEEE80211_F_WPA; 2707 /* both require a key so mark the PRIVACY capability */ 2708 vap->iv_flags |= IEEE80211_F_PRIVACY; 2709 break; 2710 case IEEE80211_AUTH_AUTO: /* auto */ 2711 vap->iv_flags &= ~IEEE80211_F_WPA; 2712 /* XXX PRIVACY handling? */ 2713 /* XXX what's the right way to do this? */ 2714 break; 2715 } 2716 /* NB: authenticator attach/detach happens on state change */ 2717 vap->iv_bss->ni_authmode = ireq->i_val; 2718 /* XXX mixed/mode/usage? */ 2719 vap->iv_auth = auth; 2720 error = ENETRESET; 2721 break; 2722 case IEEE80211_IOC_CHANNEL: 2723 error = ieee80211_ioctl_setchannel(vap, ireq); 2724 break; 2725 case IEEE80211_IOC_POWERSAVE: 2726 switch (ireq->i_val) { 2727 case IEEE80211_POWERSAVE_OFF: 2728 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2729 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2730 error = ERESTART; 2731 } 2732 break; 2733 case IEEE80211_POWERSAVE_ON: 2734 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2735 error = EOPNOTSUPP; 2736 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2737 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2738 error = ERESTART; 2739 } 2740 break; 2741 default: 2742 error = EINVAL; 2743 break; 2744 } 2745 break; 2746 case IEEE80211_IOC_POWERSAVESLEEP: 2747 if (ireq->i_val < 0) 2748 return EINVAL; 2749 ic->ic_lintval = ireq->i_val; 2750 error = ERESTART; 2751 break; 2752 case IEEE80211_IOC_RTSTHRESHOLD: 2753 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2754 ireq->i_val <= IEEE80211_RTS_MAX)) 2755 return EINVAL; 2756 vap->iv_rtsthreshold = ireq->i_val; 2757 error = ERESTART; 2758 break; 2759 case IEEE80211_IOC_PROTMODE: 2760 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2761 return EINVAL; 2762 ic->ic_protmode = (enum ieee80211_protmode)ireq->i_val; 2763 /* NB: if not operating in 11g this can wait */ 2764 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2765 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2766 error = ERESTART; 2767 break; 2768 case IEEE80211_IOC_TXPOWER: 2769 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2770 return EOPNOTSUPP; 2771 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2772 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2773 return EINVAL; 2774 ic->ic_txpowlimit = ireq->i_val; 2775 error = ERESTART; 2776 break; 2777 case IEEE80211_IOC_ROAMING: 2778 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2779 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2780 return EINVAL; 2781 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val; 2782 /* XXXX reset? */ 2783 break; 2784 case IEEE80211_IOC_PRIVACY: 2785 if (ireq->i_val) { 2786 /* XXX check for key state? */ 2787 vap->iv_flags |= IEEE80211_F_PRIVACY; 2788 } else 2789 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2790 /* XXX ERESTART? */ 2791 break; 2792 case IEEE80211_IOC_DROPUNENCRYPTED: 2793 if (ireq->i_val) 2794 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2795 else 2796 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2797 /* XXX ERESTART? */ 2798 break; 2799 case IEEE80211_IOC_WPAKEY: 2800 error = ieee80211_ioctl_setkey(vap, ireq); 2801 break; 2802 case IEEE80211_IOC_DELKEY: 2803 error = ieee80211_ioctl_delkey(vap, ireq); 2804 break; 2805 case IEEE80211_IOC_MLME: 2806 error = ieee80211_ioctl_setmlme(vap, ireq); 2807 break; 2808 case IEEE80211_IOC_COUNTERMEASURES: 2809 if (ireq->i_val) { 2810 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2811 return EOPNOTSUPP; 2812 vap->iv_flags |= IEEE80211_F_COUNTERM; 2813 } else 2814 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2815 /* XXX ERESTART? */ 2816 break; 2817 case IEEE80211_IOC_WPA: 2818 if (ireq->i_val > 3) 2819 return EINVAL; 2820 /* XXX verify ciphers available */ 2821 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2822 switch (ireq->i_val) { 2823 case 0: 2824 /* wpa_supplicant calls this to clear the WPA config */ 2825 break; 2826 case 1: 2827 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2828 return EOPNOTSUPP; 2829 flags |= IEEE80211_F_WPA1; 2830 break; 2831 case 2: 2832 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2833 return EOPNOTSUPP; 2834 flags |= IEEE80211_F_WPA2; 2835 break; 2836 case 3: 2837 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2838 return EOPNOTSUPP; 2839 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2840 break; 2841 default: /* Can't set any -> error */ 2842 return EOPNOTSUPP; 2843 } 2844 vap->iv_flags = flags; 2845 error = ERESTART; /* NB: can change beacon frame */ 2846 break; 2847 case IEEE80211_IOC_WME: 2848 if (ireq->i_val) { 2849 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 2850 return EOPNOTSUPP; 2851 ieee80211_syncflag(vap, IEEE80211_F_WME); 2852 } else 2853 ieee80211_syncflag(vap, -IEEE80211_F_WME); 2854 error = ERESTART; /* NB: can change beacon frame */ 2855 break; 2856 case IEEE80211_IOC_HIDESSID: 2857 if (ireq->i_val) 2858 vap->iv_flags |= IEEE80211_F_HIDESSID; 2859 else 2860 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 2861 error = ERESTART; /* XXX ENETRESET? */ 2862 break; 2863 case IEEE80211_IOC_APBRIDGE: 2864 if (ireq->i_val == 0) 2865 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 2866 else 2867 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 2868 break; 2869 case IEEE80211_IOC_BSSID: 2870 if (ireq->i_len != sizeof(tmpbssid)) 2871 return EINVAL; 2872 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 2873 if (error) 2874 break; 2875 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 2876 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 2877 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 2878 else 2879 vap->iv_flags |= IEEE80211_F_DESBSSID; 2880 error = ENETRESET; 2881 break; 2882 case IEEE80211_IOC_CHANLIST: 2883 error = ieee80211_ioctl_setchanlist(vap, ireq); 2884 break; 2885 #define OLD_IEEE80211_IOC_SCAN_REQ 23 2886 #ifdef OLD_IEEE80211_IOC_SCAN_REQ 2887 case OLD_IEEE80211_IOC_SCAN_REQ: 2888 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2889 "%s: active scan request\n", __func__); 2890 /* 2891 * If we are in INIT state then the driver has never 2892 * had a chance to setup hardware state to do a scan; 2893 * use the state machine to get us up the SCAN state. 2894 * Otherwise just invoke the scan machinery to start 2895 * a one-time scan. 2896 */ 2897 if (vap->iv_state == IEEE80211_S_INIT) 2898 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2899 else 2900 (void) ieee80211_start_scan(vap, 2901 IEEE80211_SCAN_ACTIVE | 2902 IEEE80211_SCAN_NOPICK | 2903 IEEE80211_SCAN_ONCE, 2904 IEEE80211_SCAN_FOREVER, 0, 0, 2905 /* XXX use ioctl params */ 2906 vap->iv_des_nssid, vap->iv_des_ssid); 2907 break; 2908 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 2909 case IEEE80211_IOC_SCAN_REQ: 2910 error = ieee80211_ioctl_scanreq(vap, ireq); 2911 break; 2912 case IEEE80211_IOC_SCAN_CANCEL: 2913 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2914 "%s: cancel scan\n", __func__); 2915 ieee80211_cancel_scan(vap); 2916 break; 2917 case IEEE80211_IOC_HTCONF: 2918 if (ireq->i_val & 1) 2919 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 2920 else 2921 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 2922 if (ireq->i_val & 2) 2923 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 2924 else 2925 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 2926 error = ENETRESET; 2927 break; 2928 case IEEE80211_IOC_ADDMAC: 2929 case IEEE80211_IOC_DELMAC: 2930 error = ieee80211_ioctl_macmac(vap, ireq); 2931 break; 2932 case IEEE80211_IOC_MACCMD: 2933 error = ieee80211_ioctl_setmaccmd(vap, ireq); 2934 break; 2935 case IEEE80211_IOC_STA_STATS: 2936 error = ieee80211_ioctl_setstastats(vap, ireq); 2937 break; 2938 case IEEE80211_IOC_STA_TXPOW: 2939 error = ieee80211_ioctl_setstatxpow(vap, ireq); 2940 break; 2941 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 2942 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 2943 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 2944 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 2945 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 2946 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 2947 error = ieee80211_ioctl_setwmeparam(vap, ireq); 2948 break; 2949 case IEEE80211_IOC_DTIM_PERIOD: 2950 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2951 vap->iv_opmode != IEEE80211_M_MBSS && 2952 vap->iv_opmode != IEEE80211_M_IBSS) 2953 return EINVAL; 2954 if (IEEE80211_DTIM_MIN <= ireq->i_val && 2955 ireq->i_val <= IEEE80211_DTIM_MAX) { 2956 vap->iv_dtim_period = ireq->i_val; 2957 error = ENETRESET; /* requires restart */ 2958 } else 2959 error = EINVAL; 2960 break; 2961 case IEEE80211_IOC_BEACON_INTERVAL: 2962 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2963 vap->iv_opmode != IEEE80211_M_MBSS && 2964 vap->iv_opmode != IEEE80211_M_IBSS) 2965 return EINVAL; 2966 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 2967 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 2968 ic->ic_bintval = ireq->i_val; 2969 error = ENETRESET; /* requires restart */ 2970 } else 2971 error = EINVAL; 2972 break; 2973 case IEEE80211_IOC_PUREG: 2974 if (ireq->i_val) 2975 vap->iv_flags |= IEEE80211_F_PUREG; 2976 else 2977 vap->iv_flags &= ~IEEE80211_F_PUREG; 2978 /* NB: reset only if we're operating on an 11g channel */ 2979 if (isvap11g(vap)) 2980 error = ENETRESET; 2981 break; 2982 case IEEE80211_IOC_QUIET: 2983 vap->iv_quiet= ireq->i_val; 2984 break; 2985 case IEEE80211_IOC_QUIET_COUNT: 2986 vap->iv_quiet_count=ireq->i_val; 2987 break; 2988 case IEEE80211_IOC_QUIET_PERIOD: 2989 vap->iv_quiet_period=ireq->i_val; 2990 break; 2991 case IEEE80211_IOC_QUIET_OFFSET: 2992 vap->iv_quiet_offset=ireq->i_val; 2993 break; 2994 case IEEE80211_IOC_QUIET_DUR: 2995 if(ireq->i_val < vap->iv_bss->ni_intval) 2996 vap->iv_quiet_duration = ireq->i_val; 2997 else 2998 error = EINVAL; 2999 break; 3000 case IEEE80211_IOC_BGSCAN: 3001 if (ireq->i_val) { 3002 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 3003 return EOPNOTSUPP; 3004 vap->iv_flags |= IEEE80211_F_BGSCAN; 3005 } else 3006 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 3007 break; 3008 case IEEE80211_IOC_BGSCAN_IDLE: 3009 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 3010 vap->iv_bgscanidle = ireq->i_val*hz/1000; 3011 else 3012 error = EINVAL; 3013 break; 3014 case IEEE80211_IOC_BGSCAN_INTERVAL: 3015 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 3016 vap->iv_bgscanintvl = ireq->i_val*hz; 3017 else 3018 error = EINVAL; 3019 break; 3020 case IEEE80211_IOC_SCANVALID: 3021 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 3022 vap->iv_scanvalid = ireq->i_val*hz; 3023 else 3024 error = EINVAL; 3025 break; 3026 case IEEE80211_IOC_FRAGTHRESHOLD: 3027 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 3028 ireq->i_val != IEEE80211_FRAG_MAX) 3029 return EOPNOTSUPP; 3030 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 3031 ireq->i_val <= IEEE80211_FRAG_MAX)) 3032 return EINVAL; 3033 vap->iv_fragthreshold = ireq->i_val; 3034 error = ERESTART; 3035 break; 3036 case IEEE80211_IOC_BURST: 3037 if (ireq->i_val) { 3038 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 3039 return EOPNOTSUPP; 3040 ieee80211_syncflag(vap, IEEE80211_F_BURST); 3041 } else 3042 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 3043 error = ERESTART; 3044 break; 3045 case IEEE80211_IOC_BMISSTHRESHOLD: 3046 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 3047 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 3048 return EINVAL; 3049 vap->iv_bmissthreshold = ireq->i_val; 3050 error = ERESTART; 3051 break; 3052 case IEEE80211_IOC_CURCHAN: 3053 error = ieee80211_ioctl_setcurchan(vap, ireq); 3054 break; 3055 case IEEE80211_IOC_SHORTGI: 3056 if (ireq->i_val) { 3057 #define IEEE80211_HTCAP_SHORTGI \ 3058 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 3059 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 3060 return EINVAL; 3061 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 3062 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 3063 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 3064 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 3065 #undef IEEE80211_HTCAP_SHORTGI 3066 } else 3067 vap->iv_flags_ht &= 3068 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 3069 error = ERESTART; 3070 break; 3071 case IEEE80211_IOC_AMPDU: 3072 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 3073 return EINVAL; 3074 if (ireq->i_val & 1) 3075 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 3076 else 3077 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 3078 if (ireq->i_val & 2) 3079 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 3080 else 3081 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 3082 /* NB: reset only if we're operating on an 11n channel */ 3083 if (isvapht(vap)) 3084 error = ERESTART; 3085 break; 3086 case IEEE80211_IOC_AMPDU_LIMIT: 3087 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 3088 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 3089 return EINVAL; 3090 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 3091 vap->iv_ampdu_rxmax = ireq->i_val; 3092 else 3093 vap->iv_ampdu_limit = ireq->i_val; 3094 error = ERESTART; 3095 break; 3096 case IEEE80211_IOC_AMPDU_DENSITY: 3097 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 3098 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 3099 return EINVAL; 3100 vap->iv_ampdu_density = ireq->i_val; 3101 error = ERESTART; 3102 break; 3103 case IEEE80211_IOC_AMSDU: 3104 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 3105 return EINVAL; 3106 if (ireq->i_val & 1) 3107 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 3108 else 3109 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 3110 if (ireq->i_val & 2) 3111 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 3112 else 3113 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 3114 /* NB: reset only if we're operating on an 11n channel */ 3115 if (isvapht(vap)) 3116 error = ERESTART; 3117 break; 3118 case IEEE80211_IOC_AMSDU_LIMIT: 3119 /* XXX validate */ 3120 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 3121 break; 3122 case IEEE80211_IOC_PUREN: 3123 if (ireq->i_val) { 3124 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3125 return EINVAL; 3126 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3127 } else 3128 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3129 /* NB: reset only if we're operating on an 11n channel */ 3130 if (isvapht(vap)) 3131 error = ERESTART; 3132 break; 3133 case IEEE80211_IOC_DOTH: 3134 if (ireq->i_val) { 3135 #if 0 3136 /* XXX no capability */ 3137 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3138 return EOPNOTSUPP; 3139 #endif 3140 vap->iv_flags |= IEEE80211_F_DOTH; 3141 } else 3142 vap->iv_flags &= ~IEEE80211_F_DOTH; 3143 error = ENETRESET; 3144 break; 3145 case IEEE80211_IOC_REGDOMAIN: 3146 error = ieee80211_ioctl_setregdomain(vap, ireq); 3147 break; 3148 case IEEE80211_IOC_ROAM: 3149 error = ieee80211_ioctl_setroam(vap, ireq); 3150 break; 3151 case IEEE80211_IOC_TXPARAMS: 3152 error = ieee80211_ioctl_settxparams(vap, ireq); 3153 break; 3154 case IEEE80211_IOC_HTCOMPAT: 3155 if (ireq->i_val) { 3156 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3157 return EOPNOTSUPP; 3158 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3159 } else 3160 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 3161 /* NB: reset only if we're operating on an 11n channel */ 3162 if (isvapht(vap)) 3163 error = ERESTART; 3164 break; 3165 case IEEE80211_IOC_DWDS: 3166 if (ireq->i_val) { 3167 /* NB: DWDS only makes sense for WDS-capable devices */ 3168 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3169 return EOPNOTSUPP; 3170 /* NB: DWDS is used only with ap+sta vaps */ 3171 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3172 vap->iv_opmode != IEEE80211_M_STA) 3173 return EINVAL; 3174 vap->iv_flags |= IEEE80211_F_DWDS; 3175 if (vap->iv_opmode == IEEE80211_M_STA) 3176 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3177 } else { 3178 vap->iv_flags &= ~IEEE80211_F_DWDS; 3179 if (vap->iv_opmode == IEEE80211_M_STA) 3180 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3181 } 3182 break; 3183 case IEEE80211_IOC_INACTIVITY: 3184 if (ireq->i_val) 3185 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3186 else 3187 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3188 break; 3189 case IEEE80211_IOC_APPIE: 3190 error = ieee80211_ioctl_setappie(vap, ireq); 3191 break; 3192 case IEEE80211_IOC_WPS: 3193 if (ireq->i_val) { 3194 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3195 return EOPNOTSUPP; 3196 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3197 } else 3198 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3199 break; 3200 case IEEE80211_IOC_TSN: 3201 if (ireq->i_val) { 3202 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3203 return EOPNOTSUPP; 3204 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3205 } else 3206 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3207 break; 3208 case IEEE80211_IOC_CHANSWITCH: 3209 error = ieee80211_ioctl_chanswitch(vap, ireq); 3210 break; 3211 case IEEE80211_IOC_DFS: 3212 if (ireq->i_val) { 3213 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3214 return EOPNOTSUPP; 3215 /* NB: DFS requires 11h support */ 3216 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3217 return EINVAL; 3218 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3219 } else 3220 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3221 break; 3222 case IEEE80211_IOC_DOTD: 3223 if (ireq->i_val) 3224 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3225 else 3226 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3227 if (vap->iv_opmode == IEEE80211_M_STA) 3228 error = ENETRESET; 3229 break; 3230 case IEEE80211_IOC_HTPROTMODE: 3231 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3232 return EINVAL; 3233 ic->ic_htprotmode = ireq->i_val ? 3234 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3235 /* NB: if not operating in 11n this can wait */ 3236 if (isvapht(vap)) 3237 error = ERESTART; 3238 break; 3239 case IEEE80211_IOC_STA_VLAN: 3240 error = ieee80211_ioctl_setstavlan(vap, ireq); 3241 break; 3242 case IEEE80211_IOC_SMPS: 3243 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3244 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3245 return EINVAL; 3246 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3247 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3248 return EOPNOTSUPP; 3249 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3250 ireq->i_val; 3251 /* NB: if not operating in 11n this can wait */ 3252 if (isvapht(vap)) 3253 error = ERESTART; 3254 break; 3255 case IEEE80211_IOC_RIFS: 3256 if (ireq->i_val != 0) { 3257 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3258 return EOPNOTSUPP; 3259 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3260 } else 3261 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3262 /* NB: if not operating in 11n this can wait */ 3263 if (isvapht(vap)) 3264 error = ERESTART; 3265 break; 3266 default: 3267 error = ieee80211_ioctl_setdefault(vap, ireq); 3268 break; 3269 } 3270 /* 3271 * The convention is that ENETRESET means an operation 3272 * requires a complete re-initialization of the device (e.g. 3273 * changing something that affects the association state). 3274 * ERESTART means the request may be handled with only a 3275 * reload of the hardware state. We hand ERESTART requests 3276 * to the iv_reset callback so the driver can decide. If 3277 * a device does not fillin iv_reset then it defaults to one 3278 * that returns ENETRESET. Otherwise a driver may return 3279 * ENETRESET (in which case a full reset will be done) or 3280 * 0 to mean there's no need to do anything (e.g. when the 3281 * change has no effect on the driver/device). 3282 */ 3283 if (error == ERESTART) 3284 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3285 vap->iv_reset(vap, ireq->i_type) : 0; 3286 if (error == ENETRESET) { 3287 /* XXX need to re-think AUTO handling */ 3288 if (IS_UP_AUTO(vap)) 3289 ieee80211_init(vap); 3290 error = 0; 3291 } 3292 return error; 3293 } 3294 3295 int 3296 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3297 { 3298 struct ieee80211vap *vap = ifp->if_softc; 3299 struct ieee80211com *ic = vap->iv_ic; 3300 int error = 0, wait = 0; 3301 struct ifreq *ifr; 3302 struct ifaddr *ifa; /* XXX */ 3303 3304 switch (cmd) { 3305 case SIOCSIFFLAGS: 3306 IEEE80211_LOCK(ic); 3307 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_PROMISC) 3308 ieee80211_promisc(vap, ifp->if_flags & IFF_PROMISC); 3309 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_ALLMULTI) 3310 ieee80211_allmulti(vap, ifp->if_flags & IFF_ALLMULTI); 3311 vap->iv_ifflags = ifp->if_flags; 3312 if (ifp->if_flags & IFF_UP) { 3313 /* 3314 * Bring ourself up unless we're already operational. 3315 * If we're the first vap and the parent is not up 3316 * then it will automatically be brought up as a 3317 * side-effect of bringing ourself up. 3318 */ 3319 if (vap->iv_state == IEEE80211_S_INIT) { 3320 if (ic->ic_nrunning == 0) 3321 wait = 1; 3322 ieee80211_start_locked(vap); 3323 } 3324 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 3325 /* 3326 * Stop ourself. If we are the last vap to be 3327 * marked down the parent will also be taken down. 3328 */ 3329 if (ic->ic_nrunning == 1) 3330 wait = 1; 3331 ieee80211_stop_locked(vap); 3332 } 3333 IEEE80211_UNLOCK(ic); 3334 /* Wait for parent ioctl handler if it was queued */ 3335 if (wait) 3336 ieee80211_waitfor_parent(ic); 3337 break; 3338 case SIOCADDMULTI: 3339 case SIOCDELMULTI: 3340 ieee80211_runtask(ic, &ic->ic_mcast_task); 3341 break; 3342 case SIOCSIFMEDIA: 3343 case SIOCGIFMEDIA: 3344 ifr = (struct ifreq *)data; 3345 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3346 break; 3347 case SIOCG80211: 3348 error = ieee80211_ioctl_get80211(vap, cmd, 3349 (struct ieee80211req *) data); 3350 break; 3351 case SIOCS80211: 3352 error = priv_check(curthread, PRIV_NET80211_MANAGE); 3353 if (error == 0) 3354 error = ieee80211_ioctl_set80211(vap, cmd, 3355 (struct ieee80211req *) data); 3356 break; 3357 case SIOCG80211STATS: 3358 ifr = (struct ifreq *)data; 3359 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats)); 3360 break; 3361 case SIOCSIFMTU: 3362 ifr = (struct ifreq *)data; 3363 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3364 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3365 error = EINVAL; 3366 else 3367 ifp->if_mtu = ifr->ifr_mtu; 3368 break; 3369 case SIOCSIFADDR: 3370 /* 3371 * XXX Handle this directly so we can supress if_init calls. 3372 * XXX This should be done in ether_ioctl but for the moment 3373 * XXX there are too many other parts of the system that 3374 * XXX set IFF_UP and so supress if_init being called when 3375 * XXX it should be. 3376 */ 3377 ifa = (struct ifaddr *) data; 3378 switch (ifa->ifa_addr->sa_family) { 3379 #ifdef INET 3380 case AF_INET: 3381 if ((ifp->if_flags & IFF_UP) == 0) { 3382 ifp->if_flags |= IFF_UP; 3383 ifp->if_init(ifp->if_softc); 3384 } 3385 arp_ifinit(ifp, ifa); 3386 break; 3387 #endif 3388 default: 3389 if ((ifp->if_flags & IFF_UP) == 0) { 3390 ifp->if_flags |= IFF_UP; 3391 ifp->if_init(ifp->if_softc); 3392 } 3393 break; 3394 } 3395 break; 3396 default: 3397 /* 3398 * Pass unknown ioctls first to the driver, and if it 3399 * returns ENOTTY, then to the generic Ethernet handler. 3400 */ 3401 if (ic->ic_ioctl != NULL && 3402 (error = ic->ic_ioctl(ic, cmd, data)) != ENOTTY) 3403 break; 3404 error = ether_ioctl(ifp, cmd, data); 3405 break; 3406 } 3407 return (error); 3408 } 3409