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 ieee80211req_sta_info *si; 351 size_t space; 352 }; 353 354 static size_t 355 sta_space(const struct ieee80211_node *ni, size_t *ielen) 356 { 357 *ielen = ni->ni_ies.len; 358 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, 359 sizeof(uint32_t)); 360 } 361 362 static void 363 get_sta_space(void *arg, struct ieee80211_node *ni) 364 { 365 struct stainforeq *req = arg; 366 size_t ielen; 367 368 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP && 369 ni->ni_associd == 0) /* only associated stations */ 370 return; 371 req->space += sta_space(ni, &ielen); 372 } 373 374 static void 375 get_sta_info(void *arg, struct ieee80211_node *ni) 376 { 377 struct stainforeq *req = arg; 378 struct ieee80211vap *vap = ni->ni_vap; 379 struct ieee80211req_sta_info *si; 380 size_t ielen, len; 381 uint8_t *cp; 382 383 if (vap->iv_opmode == IEEE80211_M_HOSTAP && 384 ni->ni_associd == 0) /* only associated stations */ 385 return; 386 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 387 return; 388 len = sta_space(ni, &ielen); 389 if (len > req->space) 390 return; 391 si = req->si; 392 si->isi_len = len; 393 si->isi_ie_off = sizeof(struct ieee80211req_sta_info); 394 si->isi_ie_len = ielen; 395 si->isi_freq = ni->ni_chan->ic_freq; 396 si->isi_flags = ni->ni_chan->ic_flags; 397 si->isi_state = ni->ni_flags; 398 si->isi_authmode = ni->ni_authmode; 399 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise); 400 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo); 401 si->isi_capinfo = ni->ni_capinfo; 402 si->isi_erp = ni->ni_erp; 403 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 404 si->isi_nrates = ni->ni_rates.rs_nrates; 405 if (si->isi_nrates > 15) 406 si->isi_nrates = 15; 407 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 408 si->isi_txrate = ni->ni_txrate; 409 if (si->isi_txrate & IEEE80211_RATE_MCS) { 410 const struct ieee80211_mcs_rates *mcs = 411 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS]; 412 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) { 413 if (ni->ni_flags & IEEE80211_NODE_SGI40) 414 si->isi_txmbps = mcs->ht40_rate_800ns; 415 else 416 si->isi_txmbps = mcs->ht40_rate_400ns; 417 } else { 418 if (ni->ni_flags & IEEE80211_NODE_SGI20) 419 si->isi_txmbps = mcs->ht20_rate_800ns; 420 else 421 si->isi_txmbps = mcs->ht20_rate_400ns; 422 } 423 } else 424 si->isi_txmbps = si->isi_txrate; 425 si->isi_associd = ni->ni_associd; 426 si->isi_txpower = ni->ni_txpower; 427 si->isi_vlan = ni->ni_vlan; 428 if (ni->ni_flags & IEEE80211_NODE_QOS) { 429 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 430 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 431 } else { 432 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID]; 433 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID]; 434 } 435 /* NB: leave all cases in case we relax ni_associd == 0 check */ 436 if (ieee80211_node_is_authorized(ni)) 437 si->isi_inact = vap->iv_inact_run; 438 else if (ni->ni_associd != 0 || 439 (vap->iv_opmode == IEEE80211_M_WDS && 440 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY))) 441 si->isi_inact = vap->iv_inact_auth; 442 else 443 si->isi_inact = vap->iv_inact_init; 444 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 445 si->isi_localid = ni->ni_mllid; 446 si->isi_peerid = ni->ni_mlpid; 447 si->isi_peerstate = ni->ni_mlstate; 448 449 if (ielen) { 450 cp = ((uint8_t *)si) + si->isi_ie_off; 451 memcpy(cp, ni->ni_ies.data, ielen); 452 } 453 454 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len); 455 req->space -= len; 456 } 457 458 static int 459 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq, 460 struct ieee80211_node *ni, size_t off) 461 { 462 struct ieee80211com *ic = vap->iv_ic; 463 struct stainforeq req; 464 size_t space; 465 void *p; 466 int error; 467 468 error = 0; 469 req.space = 0; 470 if (ni == NULL) { 471 ieee80211_iterate_nodes_vap(&ic->ic_sta, vap, get_sta_space, 472 &req); 473 } else 474 get_sta_space(&req, ni); 475 if (req.space > ireq->i_len) 476 req.space = ireq->i_len; 477 if (req.space > 0) { 478 space = req.space; 479 /* XXX M_WAITOK after driver lock released */ 480 p = IEEE80211_MALLOC(space, M_TEMP, 481 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 482 if (p == NULL) { 483 error = ENOMEM; 484 goto bad; 485 } 486 req.si = p; 487 if (ni == NULL) { 488 ieee80211_iterate_nodes_vap(&ic->ic_sta, vap, 489 get_sta_info, &req); 490 } else 491 get_sta_info(&req, ni); 492 ireq->i_len = space - req.space; 493 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len); 494 IEEE80211_FREE(p, M_TEMP); 495 } else 496 ireq->i_len = 0; 497 bad: 498 if (ni != NULL) 499 ieee80211_free_node(ni); 500 return error; 501 } 502 503 static int 504 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 505 { 506 uint8_t macaddr[IEEE80211_ADDR_LEN]; 507 const size_t off = __offsetof(struct ieee80211req_sta_req, info); 508 struct ieee80211_node *ni; 509 int error; 510 511 if (ireq->i_len < sizeof(struct ieee80211req_sta_req)) 512 return EFAULT; 513 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 514 if (error != 0) 515 return error; 516 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) { 517 ni = NULL; 518 } else { 519 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 520 if (ni == NULL) 521 return ENOENT; 522 } 523 return getstainfo_common(vap, ireq, ni, off); 524 } 525 526 static int 527 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 528 { 529 struct ieee80211_node *ni; 530 struct ieee80211req_sta_txpow txpow; 531 int error; 532 533 if (ireq->i_len != sizeof(txpow)) 534 return EINVAL; 535 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 536 if (error != 0) 537 return error; 538 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 539 if (ni == NULL) 540 return ENOENT; 541 txpow.it_txpow = ni->ni_txpower; 542 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 543 ieee80211_free_node(ni); 544 return error; 545 } 546 547 static int 548 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 549 { 550 struct ieee80211com *ic = vap->iv_ic; 551 struct ieee80211_wme_state *wme = &ic->ic_wme; 552 struct wmeParams *wmep; 553 int ac; 554 555 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 556 return EINVAL; 557 558 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 559 if (ac >= WME_NUM_AC) 560 ac = WME_AC_BE; 561 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 562 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 563 else 564 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 565 switch (ireq->i_type) { 566 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 567 ireq->i_val = wmep->wmep_logcwmin; 568 break; 569 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 570 ireq->i_val = wmep->wmep_logcwmax; 571 break; 572 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 573 ireq->i_val = wmep->wmep_aifsn; 574 break; 575 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 576 ireq->i_val = wmep->wmep_txopLimit; 577 break; 578 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 579 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 580 ireq->i_val = wmep->wmep_acm; 581 break; 582 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 583 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 584 ireq->i_val = !wmep->wmep_noackPolicy; 585 break; 586 } 587 return 0; 588 } 589 590 static int 591 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 592 { 593 const struct ieee80211_aclator *acl = vap->iv_acl; 594 595 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq)); 596 } 597 598 static int 599 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq) 600 { 601 struct ieee80211com *ic = vap->iv_ic; 602 struct ieee80211_channel *c; 603 604 if (ireq->i_len != sizeof(struct ieee80211_channel)) 605 return EINVAL; 606 /* 607 * vap's may have different operating channels when HT is 608 * in use. When in RUN state report the vap-specific channel. 609 * Otherwise return curchan. 610 */ 611 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 612 c = vap->iv_bss->ni_chan; 613 else 614 c = ic->ic_curchan; 615 return copyout(c, ireq->i_data, sizeof(*c)); 616 } 617 618 static int 619 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq) 620 { 621 if (aie == NULL) 622 return EINVAL; 623 /* NB: truncate, caller can check length */ 624 if (ireq->i_len > aie->ie_len) 625 ireq->i_len = aie->ie_len; 626 return copyout(aie->ie_data, ireq->i_data, ireq->i_len); 627 } 628 629 static int 630 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq) 631 { 632 uint8_t fc0; 633 634 fc0 = ireq->i_val & 0xff; 635 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 636 return EINVAL; 637 /* NB: could check iv_opmode and reject but hardly worth the effort */ 638 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 639 case IEEE80211_FC0_SUBTYPE_BEACON: 640 return getappie(vap->iv_appie_beacon, ireq); 641 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 642 return getappie(vap->iv_appie_proberesp, ireq); 643 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 644 return getappie(vap->iv_appie_assocresp, ireq); 645 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 646 return getappie(vap->iv_appie_probereq, ireq); 647 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 648 return getappie(vap->iv_appie_assocreq, ireq); 649 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP: 650 return getappie(vap->iv_appie_wpa, ireq); 651 } 652 return EINVAL; 653 } 654 655 static int 656 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap, 657 const struct ieee80211req *ireq) 658 { 659 struct ieee80211com *ic = vap->iv_ic; 660 661 if (ireq->i_len != sizeof(ic->ic_regdomain)) 662 return EINVAL; 663 return copyout(&ic->ic_regdomain, ireq->i_data, 664 sizeof(ic->ic_regdomain)); 665 } 666 667 static int 668 ieee80211_ioctl_getroam(struct ieee80211vap *vap, 669 const struct ieee80211req *ireq) 670 { 671 size_t len = ireq->i_len; 672 /* NB: accept short requests for backwards compat */ 673 if (len > sizeof(vap->iv_roamparms)) 674 len = sizeof(vap->iv_roamparms); 675 return copyout(vap->iv_roamparms, ireq->i_data, len); 676 } 677 678 static int 679 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap, 680 const struct ieee80211req *ireq) 681 { 682 size_t len = ireq->i_len; 683 /* NB: accept short requests for backwards compat */ 684 if (len > sizeof(vap->iv_txparms)) 685 len = sizeof(vap->iv_txparms); 686 return copyout(vap->iv_txparms, ireq->i_data, len); 687 } 688 689 static int 690 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic, 691 const struct ieee80211req *ireq) 692 { 693 struct ieee80211_devcaps_req *dc; 694 struct ieee80211req_chaninfo *ci; 695 int maxchans, error; 696 697 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) / 698 sizeof(struct ieee80211_channel)); 699 /* NB: require 1 so we know ic_nchans is accessible */ 700 if (maxchans < 1) 701 return EINVAL; 702 /* constrain max request size, 2K channels is ~24Kbytes */ 703 if (maxchans > 2048) 704 maxchans = 2048; 705 dc = (struct ieee80211_devcaps_req *) 706 IEEE80211_MALLOC(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, 707 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 708 if (dc == NULL) 709 return ENOMEM; 710 dc->dc_drivercaps = ic->ic_caps; 711 dc->dc_cryptocaps = ic->ic_cryptocaps; 712 dc->dc_htcaps = ic->ic_htcaps; 713 ci = &dc->dc_chaninfo; 714 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans); 715 KASSERT(ci->ic_nchans <= maxchans, 716 ("nchans %d maxchans %d", ci->ic_nchans, maxchans)); 717 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans); 718 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc)); 719 IEEE80211_FREE(dc, M_TEMP); 720 return error; 721 } 722 723 static int 724 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 725 { 726 struct ieee80211_node *ni; 727 struct ieee80211req_sta_vlan vlan; 728 int error; 729 730 if (ireq->i_len != sizeof(vlan)) 731 return EINVAL; 732 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 733 if (error != 0) 734 return error; 735 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 736 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 737 vlan.sv_macaddr); 738 if (ni == NULL) 739 return ENOENT; 740 } else 741 ni = ieee80211_ref_node(vap->iv_bss); 742 vlan.sv_vlan = ni->ni_vlan; 743 error = copyout(&vlan, ireq->i_data, sizeof(vlan)); 744 ieee80211_free_node(ni); 745 return error; 746 } 747 748 /* 749 * Dummy ioctl get handler so the linker set is defined. 750 */ 751 static int 752 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq) 753 { 754 return ENOSYS; 755 } 756 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get); 757 758 static int 759 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 760 { 761 ieee80211_ioctl_getfunc * const *get; 762 int error; 763 764 SET_FOREACH(get, ieee80211_ioctl_getset) { 765 error = (*get)(vap, ireq); 766 if (error != ENOSYS) 767 return error; 768 } 769 return EINVAL; 770 } 771 772 static int 773 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd, 774 struct ieee80211req *ireq) 775 { 776 #define MS(_v, _f) (((_v) & _f) >> _f##_S) 777 struct ieee80211com *ic = vap->iv_ic; 778 u_int kid, len; 779 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 780 char tmpssid[IEEE80211_NWID_LEN]; 781 int error = 0; 782 783 switch (ireq->i_type) { 784 case IEEE80211_IOC_SSID: 785 switch (vap->iv_state) { 786 case IEEE80211_S_INIT: 787 case IEEE80211_S_SCAN: 788 ireq->i_len = vap->iv_des_ssid[0].len; 789 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); 790 break; 791 default: 792 ireq->i_len = vap->iv_bss->ni_esslen; 793 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); 794 break; 795 } 796 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 797 break; 798 case IEEE80211_IOC_NUMSSIDS: 799 ireq->i_val = 1; 800 break; 801 case IEEE80211_IOC_WEP: 802 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 803 ireq->i_val = IEEE80211_WEP_OFF; 804 else if (vap->iv_flags & IEEE80211_F_DROPUNENC) 805 ireq->i_val = IEEE80211_WEP_ON; 806 else 807 ireq->i_val = IEEE80211_WEP_MIXED; 808 break; 809 case IEEE80211_IOC_WEPKEY: 810 kid = (u_int) ireq->i_val; 811 if (kid >= IEEE80211_WEP_NKID) 812 return EINVAL; 813 len = (u_int) vap->iv_nw_keys[kid].wk_keylen; 814 /* NB: only root can read WEP keys */ 815 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 816 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); 817 } else { 818 bzero(tmpkey, len); 819 } 820 ireq->i_len = len; 821 error = copyout(tmpkey, ireq->i_data, len); 822 break; 823 case IEEE80211_IOC_NUMWEPKEYS: 824 ireq->i_val = IEEE80211_WEP_NKID; 825 break; 826 case IEEE80211_IOC_WEPTXKEY: 827 ireq->i_val = vap->iv_def_txkey; 828 break; 829 case IEEE80211_IOC_AUTHMODE: 830 if (vap->iv_flags & IEEE80211_F_WPA) 831 ireq->i_val = IEEE80211_AUTH_WPA; 832 else 833 ireq->i_val = vap->iv_bss->ni_authmode; 834 break; 835 case IEEE80211_IOC_CHANNEL: 836 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 837 break; 838 case IEEE80211_IOC_POWERSAVE: 839 if (vap->iv_flags & IEEE80211_F_PMGTON) 840 ireq->i_val = IEEE80211_POWERSAVE_ON; 841 else 842 ireq->i_val = IEEE80211_POWERSAVE_OFF; 843 break; 844 case IEEE80211_IOC_POWERSAVESLEEP: 845 ireq->i_val = ic->ic_lintval; 846 break; 847 case IEEE80211_IOC_RTSTHRESHOLD: 848 ireq->i_val = vap->iv_rtsthreshold; 849 break; 850 case IEEE80211_IOC_PROTMODE: 851 ireq->i_val = ic->ic_protmode; 852 break; 853 case IEEE80211_IOC_TXPOWER: 854 /* 855 * Tx power limit is the min of max regulatory 856 * power, any user-set limit, and the max the 857 * radio can do. 858 */ 859 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; 860 if (ireq->i_val > ic->ic_txpowlimit) 861 ireq->i_val = ic->ic_txpowlimit; 862 if (ireq->i_val > ic->ic_curchan->ic_maxpower) 863 ireq->i_val = ic->ic_curchan->ic_maxpower; 864 break; 865 case IEEE80211_IOC_WPA: 866 switch (vap->iv_flags & IEEE80211_F_WPA) { 867 case IEEE80211_F_WPA1: 868 ireq->i_val = 1; 869 break; 870 case IEEE80211_F_WPA2: 871 ireq->i_val = 2; 872 break; 873 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 874 ireq->i_val = 3; 875 break; 876 default: 877 ireq->i_val = 0; 878 break; 879 } 880 break; 881 case IEEE80211_IOC_CHANLIST: 882 error = ieee80211_ioctl_getchanlist(vap, ireq); 883 break; 884 case IEEE80211_IOC_ROAMING: 885 ireq->i_val = vap->iv_roaming; 886 break; 887 case IEEE80211_IOC_PRIVACY: 888 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; 889 break; 890 case IEEE80211_IOC_DROPUNENCRYPTED: 891 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; 892 break; 893 case IEEE80211_IOC_COUNTERMEASURES: 894 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; 895 break; 896 case IEEE80211_IOC_WME: 897 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; 898 break; 899 case IEEE80211_IOC_HIDESSID: 900 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; 901 break; 902 case IEEE80211_IOC_APBRIDGE: 903 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; 904 break; 905 case IEEE80211_IOC_WPAKEY: 906 error = ieee80211_ioctl_getkey(vap, ireq); 907 break; 908 case IEEE80211_IOC_CHANINFO: 909 error = ieee80211_ioctl_getchaninfo(vap, ireq); 910 break; 911 case IEEE80211_IOC_BSSID: 912 if (ireq->i_len != IEEE80211_ADDR_LEN) 913 return EINVAL; 914 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) { 915 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ? 916 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid, 917 ireq->i_data, ireq->i_len); 918 } else 919 error = copyout(vap->iv_des_bssid, ireq->i_data, 920 ireq->i_len); 921 break; 922 case IEEE80211_IOC_WPAIE: 923 case IEEE80211_IOC_WPAIE2: 924 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 925 break; 926 case IEEE80211_IOC_SCAN_RESULTS: 927 error = ieee80211_ioctl_getscanresults(vap, ireq); 928 break; 929 case IEEE80211_IOC_STA_STATS: 930 error = ieee80211_ioctl_getstastats(vap, ireq); 931 break; 932 case IEEE80211_IOC_TXPOWMAX: 933 ireq->i_val = vap->iv_bss->ni_txpower; 934 break; 935 case IEEE80211_IOC_STA_TXPOW: 936 error = ieee80211_ioctl_getstatxpow(vap, ireq); 937 break; 938 case IEEE80211_IOC_STA_INFO: 939 error = ieee80211_ioctl_getstainfo(vap, ireq); 940 break; 941 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 942 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 943 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 944 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 945 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 946 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 947 error = ieee80211_ioctl_getwmeparam(vap, ireq); 948 break; 949 case IEEE80211_IOC_DTIM_PERIOD: 950 ireq->i_val = vap->iv_dtim_period; 951 break; 952 case IEEE80211_IOC_BEACON_INTERVAL: 953 /* NB: get from ic_bss for station mode */ 954 ireq->i_val = vap->iv_bss->ni_intval; 955 break; 956 case IEEE80211_IOC_PUREG: 957 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; 958 break; 959 case IEEE80211_IOC_QUIET: 960 ireq->i_val = vap->iv_quiet; 961 break; 962 case IEEE80211_IOC_QUIET_COUNT: 963 ireq->i_val = vap->iv_quiet_count; 964 break; 965 case IEEE80211_IOC_QUIET_PERIOD: 966 ireq->i_val = vap->iv_quiet_period; 967 break; 968 case IEEE80211_IOC_QUIET_DUR: 969 ireq->i_val = vap->iv_quiet_duration; 970 break; 971 case IEEE80211_IOC_QUIET_OFFSET: 972 ireq->i_val = vap->iv_quiet_offset; 973 break; 974 case IEEE80211_IOC_BGSCAN: 975 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 976 break; 977 case IEEE80211_IOC_BGSCAN_IDLE: 978 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 979 break; 980 case IEEE80211_IOC_BGSCAN_INTERVAL: 981 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 982 break; 983 case IEEE80211_IOC_SCANVALID: 984 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 985 break; 986 case IEEE80211_IOC_FRAGTHRESHOLD: 987 ireq->i_val = vap->iv_fragthreshold; 988 break; 989 case IEEE80211_IOC_MACCMD: 990 error = ieee80211_ioctl_getmaccmd(vap, ireq); 991 break; 992 case IEEE80211_IOC_BURST: 993 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 994 break; 995 case IEEE80211_IOC_BMISSTHRESHOLD: 996 ireq->i_val = vap->iv_bmissthreshold; 997 break; 998 case IEEE80211_IOC_CURCHAN: 999 error = ieee80211_ioctl_getcurchan(vap, ireq); 1000 break; 1001 case IEEE80211_IOC_SHORTGI: 1002 ireq->i_val = 0; 1003 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) 1004 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 1005 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) 1006 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 1007 break; 1008 case IEEE80211_IOC_AMPDU: 1009 ireq->i_val = 0; 1010 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) 1011 ireq->i_val |= 1; 1012 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) 1013 ireq->i_val |= 2; 1014 break; 1015 case IEEE80211_IOC_AMPDU_LIMIT: 1016 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1017 ireq->i_val = vap->iv_ampdu_rxmax; 1018 else if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 1019 /* 1020 * XXX TODO: this isn't completely correct, as we've 1021 * negotiated the higher of the two. 1022 */ 1023 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1024 IEEE80211_HTCAP_MAXRXAMPDU); 1025 else 1026 ireq->i_val = vap->iv_ampdu_limit; 1027 break; 1028 case IEEE80211_IOC_AMPDU_DENSITY: 1029 if (vap->iv_opmode == IEEE80211_M_STA && 1030 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1031 /* 1032 * XXX TODO: this isn't completely correct, as we've 1033 * negotiated the higher of the two. 1034 */ 1035 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1036 IEEE80211_HTCAP_MPDUDENSITY); 1037 else 1038 ireq->i_val = vap->iv_ampdu_density; 1039 break; 1040 case IEEE80211_IOC_AMSDU: 1041 ireq->i_val = 0; 1042 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) 1043 ireq->i_val |= 1; 1044 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) 1045 ireq->i_val |= 2; 1046 break; 1047 case IEEE80211_IOC_AMSDU_LIMIT: 1048 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1049 break; 1050 case IEEE80211_IOC_PUREN: 1051 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; 1052 break; 1053 case IEEE80211_IOC_DOTH: 1054 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1055 break; 1056 case IEEE80211_IOC_REGDOMAIN: 1057 error = ieee80211_ioctl_getregdomain(vap, ireq); 1058 break; 1059 case IEEE80211_IOC_ROAM: 1060 error = ieee80211_ioctl_getroam(vap, ireq); 1061 break; 1062 case IEEE80211_IOC_TXPARAMS: 1063 error = ieee80211_ioctl_gettxparams(vap, ireq); 1064 break; 1065 case IEEE80211_IOC_HTCOMPAT: 1066 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; 1067 break; 1068 case IEEE80211_IOC_DWDS: 1069 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1070 break; 1071 case IEEE80211_IOC_INACTIVITY: 1072 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1073 break; 1074 case IEEE80211_IOC_APPIE: 1075 error = ieee80211_ioctl_getappie(vap, ireq); 1076 break; 1077 case IEEE80211_IOC_WPS: 1078 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1079 break; 1080 case IEEE80211_IOC_TSN: 1081 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1082 break; 1083 case IEEE80211_IOC_DFS: 1084 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1085 break; 1086 case IEEE80211_IOC_DOTD: 1087 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1088 break; 1089 case IEEE80211_IOC_DEVCAPS: 1090 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1091 break; 1092 case IEEE80211_IOC_HTPROTMODE: 1093 ireq->i_val = ic->ic_htprotmode; 1094 break; 1095 case IEEE80211_IOC_HTCONF: 1096 if (vap->iv_flags_ht & IEEE80211_FHT_HT) { 1097 ireq->i_val = 1; 1098 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) 1099 ireq->i_val |= 2; 1100 } else 1101 ireq->i_val = 0; 1102 break; 1103 case IEEE80211_IOC_STA_VLAN: 1104 error = ieee80211_ioctl_getstavlan(vap, ireq); 1105 break; 1106 case IEEE80211_IOC_SMPS: 1107 if (vap->iv_opmode == IEEE80211_M_STA && 1108 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) { 1109 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1110 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1111 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1112 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1113 else 1114 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1115 } else 1116 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1117 break; 1118 case IEEE80211_IOC_RIFS: 1119 if (vap->iv_opmode == IEEE80211_M_STA && 1120 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1121 ireq->i_val = 1122 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1123 else 1124 ireq->i_val = 1125 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; 1126 break; 1127 case IEEE80211_IOC_STBC: 1128 ireq->i_val = 0; 1129 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_TX) 1130 ireq->i_val |= 1; 1131 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_RX) 1132 ireq->i_val |= 2; 1133 break; 1134 default: 1135 error = ieee80211_ioctl_getdefault(vap, ireq); 1136 break; 1137 } 1138 return error; 1139 #undef MS 1140 } 1141 1142 static int 1143 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1144 { 1145 struct ieee80211req_key ik; 1146 struct ieee80211_node *ni; 1147 struct ieee80211_key *wk; 1148 uint16_t kid; 1149 int error, i; 1150 1151 if (ireq->i_len != sizeof(ik)) 1152 return EINVAL; 1153 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1154 if (error) 1155 return error; 1156 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1157 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1158 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1159 return E2BIG; 1160 kid = ik.ik_keyix; 1161 if (kid == IEEE80211_KEYIX_NONE) { 1162 /* XXX unicast keys currently must be tx/rx */ 1163 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1164 return EINVAL; 1165 if (vap->iv_opmode == IEEE80211_M_STA) { 1166 ni = ieee80211_ref_node(vap->iv_bss); 1167 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1168 ieee80211_free_node(ni); 1169 return EADDRNOTAVAIL; 1170 } 1171 } else { 1172 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1173 ik.ik_macaddr); 1174 if (ni == NULL) 1175 return ENOENT; 1176 } 1177 wk = &ni->ni_ucastkey; 1178 } else { 1179 if (kid >= IEEE80211_WEP_NKID) 1180 return EINVAL; 1181 wk = &vap->iv_nw_keys[kid]; 1182 /* 1183 * Global slots start off w/o any assigned key index. 1184 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1185 */ 1186 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1187 wk->wk_keyix = kid; 1188 ni = NULL; 1189 } 1190 error = 0; 1191 ieee80211_key_update_begin(vap); 1192 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1193 wk->wk_keylen = ik.ik_keylen; 1194 /* NB: MIC presence is implied by cipher type */ 1195 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1196 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1197 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1198 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1199 wk->wk_keytsc = 0; /* new key, reset */ 1200 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1201 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1202 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1203 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1204 if (!ieee80211_crypto_setkey(vap, wk)) 1205 error = EIO; 1206 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1207 vap->iv_def_txkey = kid; 1208 } else 1209 error = ENXIO; 1210 ieee80211_key_update_end(vap); 1211 if (ni != NULL) 1212 ieee80211_free_node(ni); 1213 return error; 1214 } 1215 1216 static int 1217 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1218 { 1219 struct ieee80211req_del_key dk; 1220 int kid, error; 1221 1222 if (ireq->i_len != sizeof(dk)) 1223 return EINVAL; 1224 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1225 if (error) 1226 return error; 1227 kid = dk.idk_keyix; 1228 /* XXX uint8_t -> uint16_t */ 1229 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1230 struct ieee80211_node *ni; 1231 1232 if (vap->iv_opmode == IEEE80211_M_STA) { 1233 ni = ieee80211_ref_node(vap->iv_bss); 1234 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1235 ieee80211_free_node(ni); 1236 return EADDRNOTAVAIL; 1237 } 1238 } else { 1239 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1240 dk.idk_macaddr); 1241 if (ni == NULL) 1242 return ENOENT; 1243 } 1244 /* XXX error return */ 1245 ieee80211_node_delucastkey(ni); 1246 ieee80211_free_node(ni); 1247 } else { 1248 if (kid >= IEEE80211_WEP_NKID) 1249 return EINVAL; 1250 /* XXX error return */ 1251 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1252 } 1253 return 0; 1254 } 1255 1256 struct mlmeop { 1257 struct ieee80211vap *vap; 1258 int op; 1259 int reason; 1260 }; 1261 1262 static void 1263 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1264 int op, int reason) 1265 { 1266 #ifdef IEEE80211_DEBUG 1267 static const struct { 1268 int mask; 1269 const char *opstr; 1270 } ops[] = { 1271 { 0, "op#0" }, 1272 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1273 IEEE80211_MSG_ASSOC, "assoc" }, 1274 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1275 IEEE80211_MSG_ASSOC, "disassoc" }, 1276 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1277 IEEE80211_MSG_AUTH, "deauth" }, 1278 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1279 IEEE80211_MSG_AUTH, "authorize" }, 1280 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1281 IEEE80211_MSG_AUTH, "unauthorize" }, 1282 }; 1283 1284 if (op == IEEE80211_MLME_AUTH) { 1285 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1286 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1287 "station authenticate %s via MLME (reason: %d (%s))", 1288 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1289 reason, ieee80211_reason_to_string(reason)); 1290 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1291 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1292 "unknown MLME request %d (reason: %d (%s))", op, reason, 1293 ieee80211_reason_to_string(reason)); 1294 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1295 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1296 "station %s via MLME", ops[op].opstr); 1297 } else { 1298 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1299 "station %s via MLME (reason: %d (%s))", ops[op].opstr, 1300 reason, ieee80211_reason_to_string(reason)); 1301 } 1302 #endif /* IEEE80211_DEBUG */ 1303 } 1304 1305 static void 1306 domlme(void *arg, struct ieee80211_node *ni) 1307 { 1308 struct mlmeop *mop = arg; 1309 struct ieee80211vap *vap = ni->ni_vap; 1310 1311 if (vap != mop->vap) 1312 return; 1313 /* 1314 * NB: if ni_associd is zero then the node is already cleaned 1315 * up and we don't need to do this (we're safely holding a 1316 * reference but should otherwise not modify it's state). 1317 */ 1318 if (ni->ni_associd == 0) 1319 return; 1320 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1321 if (mop->op == IEEE80211_MLME_DEAUTH) { 1322 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1323 mop->reason); 1324 } else { 1325 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1326 mop->reason); 1327 } 1328 ieee80211_node_leave(ni); 1329 } 1330 1331 static int 1332 setmlme_dropsta(struct ieee80211vap *vap, 1333 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1334 { 1335 struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta; 1336 struct ieee80211_node *ni; 1337 int error = 0; 1338 1339 /* NB: the broadcast address means do 'em all */ 1340 if (!IEEE80211_ADDR_EQ(mac, vap->iv_ifp->if_broadcastaddr)) { 1341 IEEE80211_NODE_LOCK(nt); 1342 ni = ieee80211_find_node_locked(nt, mac); 1343 IEEE80211_NODE_UNLOCK(nt); 1344 /* 1345 * Don't do the node update inside the node 1346 * table lock. This unfortunately causes LORs 1347 * with drivers and their TX paths. 1348 */ 1349 if (ni != NULL) { 1350 domlme(mlmeop, ni); 1351 ieee80211_free_node(ni); 1352 } else 1353 error = ENOENT; 1354 } else { 1355 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1356 } 1357 return error; 1358 } 1359 1360 static int 1361 setmlme_common(struct ieee80211vap *vap, int op, 1362 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1363 { 1364 struct ieee80211com *ic = vap->iv_ic; 1365 struct ieee80211_node_table *nt = &ic->ic_sta; 1366 struct ieee80211_node *ni; 1367 struct mlmeop mlmeop; 1368 int error; 1369 1370 error = 0; 1371 switch (op) { 1372 case IEEE80211_MLME_DISASSOC: 1373 case IEEE80211_MLME_DEAUTH: 1374 switch (vap->iv_opmode) { 1375 case IEEE80211_M_STA: 1376 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1377 /* XXX not quite right */ 1378 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1379 break; 1380 case IEEE80211_M_HOSTAP: 1381 mlmeop.vap = vap; 1382 mlmeop.op = op; 1383 mlmeop.reason = reason; 1384 error = setmlme_dropsta(vap, mac, &mlmeop); 1385 break; 1386 case IEEE80211_M_WDS: 1387 /* XXX user app should send raw frame? */ 1388 if (op != IEEE80211_MLME_DEAUTH) { 1389 error = EINVAL; 1390 break; 1391 } 1392 #if 0 1393 /* XXX accept any address, simplifies user code */ 1394 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1395 error = EINVAL; 1396 break; 1397 } 1398 #endif 1399 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1400 ni = ieee80211_ref_node(vap->iv_bss); 1401 IEEE80211_SEND_MGMT(ni, 1402 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1403 ieee80211_free_node(ni); 1404 break; 1405 case IEEE80211_M_MBSS: 1406 IEEE80211_NODE_LOCK(nt); 1407 ni = ieee80211_find_node_locked(nt, mac); 1408 /* 1409 * Don't do the node update inside the node 1410 * table lock. This unfortunately causes LORs 1411 * with drivers and their TX paths. 1412 */ 1413 IEEE80211_NODE_UNLOCK(nt); 1414 if (ni != NULL) { 1415 ieee80211_node_leave(ni); 1416 ieee80211_free_node(ni); 1417 } else { 1418 error = ENOENT; 1419 } 1420 break; 1421 default: 1422 error = EINVAL; 1423 break; 1424 } 1425 break; 1426 case IEEE80211_MLME_AUTHORIZE: 1427 case IEEE80211_MLME_UNAUTHORIZE: 1428 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1429 vap->iv_opmode != IEEE80211_M_WDS) { 1430 error = EINVAL; 1431 break; 1432 } 1433 IEEE80211_NODE_LOCK(nt); 1434 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1435 /* 1436 * Don't do the node update inside the node 1437 * table lock. This unfortunately causes LORs 1438 * with drivers and their TX paths. 1439 */ 1440 IEEE80211_NODE_UNLOCK(nt); 1441 if (ni != NULL) { 1442 mlmedebug(vap, mac, op, reason); 1443 if (op == IEEE80211_MLME_AUTHORIZE) 1444 ieee80211_node_authorize(ni); 1445 else 1446 ieee80211_node_unauthorize(ni); 1447 ieee80211_free_node(ni); 1448 } else 1449 error = ENOENT; 1450 break; 1451 case IEEE80211_MLME_AUTH: 1452 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1453 error = EINVAL; 1454 break; 1455 } 1456 IEEE80211_NODE_LOCK(nt); 1457 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1458 /* 1459 * Don't do the node update inside the node 1460 * table lock. This unfortunately causes LORs 1461 * with drivers and their TX paths. 1462 */ 1463 IEEE80211_NODE_UNLOCK(nt); 1464 if (ni != NULL) { 1465 mlmedebug(vap, mac, op, reason); 1466 if (reason == IEEE80211_STATUS_SUCCESS) { 1467 IEEE80211_SEND_MGMT(ni, 1468 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1469 /* 1470 * For shared key auth, just continue the 1471 * exchange. Otherwise when 802.1x is not in 1472 * use mark the port authorized at this point 1473 * so traffic can flow. 1474 */ 1475 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1476 ni->ni_challenge == NULL) 1477 ieee80211_node_authorize(ni); 1478 } else { 1479 vap->iv_stats.is_rx_acl++; 1480 ieee80211_send_error(ni, ni->ni_macaddr, 1481 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1482 ieee80211_node_leave(ni); 1483 } 1484 ieee80211_free_node(ni); 1485 } else 1486 error = ENOENT; 1487 break; 1488 default: 1489 error = EINVAL; 1490 break; 1491 } 1492 return error; 1493 } 1494 1495 struct scanlookup { 1496 const uint8_t *mac; 1497 int esslen; 1498 const uint8_t *essid; 1499 const struct ieee80211_scan_entry *se; 1500 }; 1501 1502 /* 1503 * Match mac address and any ssid. 1504 */ 1505 static void 1506 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1507 { 1508 struct scanlookup *look = arg; 1509 1510 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1511 return; 1512 if (look->esslen != 0) { 1513 if (se->se_ssid[1] != look->esslen) 1514 return; 1515 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1516 return; 1517 } 1518 look->se = se; 1519 } 1520 1521 static int 1522 setmlme_assoc_sta(struct ieee80211vap *vap, 1523 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1524 const uint8_t ssid[IEEE80211_NWID_LEN]) 1525 { 1526 struct scanlookup lookup; 1527 1528 KASSERT(vap->iv_opmode == IEEE80211_M_STA, 1529 ("expected opmode STA not %s", 1530 ieee80211_opmode_name[vap->iv_opmode])); 1531 1532 /* NB: this is racey if roaming is !manual */ 1533 lookup.se = NULL; 1534 lookup.mac = mac; 1535 lookup.esslen = ssid_len; 1536 lookup.essid = ssid; 1537 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1538 if (lookup.se == NULL) 1539 return ENOENT; 1540 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1541 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1542 return EIO; /* XXX unique but could be better */ 1543 return 0; 1544 } 1545 1546 static int 1547 setmlme_assoc_adhoc(struct ieee80211vap *vap, 1548 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1549 const uint8_t ssid[IEEE80211_NWID_LEN]) 1550 { 1551 struct ieee80211_scan_req *sr; 1552 int error; 1553 1554 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS || 1555 vap->iv_opmode == IEEE80211_M_AHDEMO, 1556 ("expected opmode IBSS or AHDEMO not %s", 1557 ieee80211_opmode_name[vap->iv_opmode])); 1558 1559 if (ssid_len == 0) 1560 return EINVAL; 1561 1562 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 1563 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1564 if (sr == NULL) 1565 return ENOMEM; 1566 1567 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */ 1568 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 1569 vap->iv_des_ssid[0].len = ssid_len; 1570 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len); 1571 vap->iv_des_nssid = 1; 1572 1573 sr->sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE; 1574 sr->sr_duration = IEEE80211_IOC_SCAN_FOREVER; 1575 memcpy(sr->sr_ssid[0].ssid, ssid, ssid_len); 1576 sr->sr_ssid[0].len = ssid_len; 1577 sr->sr_nssid = 1; 1578 1579 error = ieee80211_scanreq(vap, sr); 1580 1581 IEEE80211_FREE(sr, M_TEMP); 1582 return error; 1583 } 1584 1585 static int 1586 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1587 { 1588 struct ieee80211req_mlme mlme; 1589 int error; 1590 1591 if (ireq->i_len != sizeof(mlme)) 1592 return EINVAL; 1593 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1594 if (error) 1595 return error; 1596 if (vap->iv_opmode == IEEE80211_M_STA && 1597 mlme.im_op == IEEE80211_MLME_ASSOC) 1598 return setmlme_assoc_sta(vap, mlme.im_macaddr, 1599 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1600 else if ((vap->iv_opmode == IEEE80211_M_IBSS || 1601 vap->iv_opmode == IEEE80211_M_AHDEMO) && 1602 mlme.im_op == IEEE80211_MLME_ASSOC) 1603 return setmlme_assoc_adhoc(vap, mlme.im_macaddr, 1604 mlme.im_ssid_len, mlme.im_ssid); 1605 else 1606 return setmlme_common(vap, mlme.im_op, 1607 mlme.im_macaddr, mlme.im_reason); 1608 } 1609 1610 static int 1611 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1612 { 1613 uint8_t mac[IEEE80211_ADDR_LEN]; 1614 const struct ieee80211_aclator *acl = vap->iv_acl; 1615 int error; 1616 1617 if (ireq->i_len != sizeof(mac)) 1618 return EINVAL; 1619 error = copyin(ireq->i_data, mac, ireq->i_len); 1620 if (error) 1621 return error; 1622 if (acl == NULL) { 1623 acl = ieee80211_aclator_get("mac"); 1624 if (acl == NULL || !acl->iac_attach(vap)) 1625 return EINVAL; 1626 vap->iv_acl = acl; 1627 } 1628 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1629 acl->iac_add(vap, mac); 1630 else 1631 acl->iac_remove(vap, mac); 1632 return 0; 1633 } 1634 1635 static int 1636 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1637 { 1638 const struct ieee80211_aclator *acl = vap->iv_acl; 1639 1640 switch (ireq->i_val) { 1641 case IEEE80211_MACCMD_POLICY_OPEN: 1642 case IEEE80211_MACCMD_POLICY_ALLOW: 1643 case IEEE80211_MACCMD_POLICY_DENY: 1644 case IEEE80211_MACCMD_POLICY_RADIUS: 1645 if (acl == NULL) { 1646 acl = ieee80211_aclator_get("mac"); 1647 if (acl == NULL || !acl->iac_attach(vap)) 1648 return EINVAL; 1649 vap->iv_acl = acl; 1650 } 1651 acl->iac_setpolicy(vap, ireq->i_val); 1652 break; 1653 case IEEE80211_MACCMD_FLUSH: 1654 if (acl != NULL) 1655 acl->iac_flush(vap); 1656 /* NB: silently ignore when not in use */ 1657 break; 1658 case IEEE80211_MACCMD_DETACH: 1659 if (acl != NULL) { 1660 vap->iv_acl = NULL; 1661 acl->iac_detach(vap); 1662 } 1663 break; 1664 default: 1665 if (acl == NULL) 1666 return EINVAL; 1667 else 1668 return acl->iac_setioctl(vap, ireq); 1669 } 1670 return 0; 1671 } 1672 1673 static int 1674 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1675 { 1676 struct ieee80211com *ic = vap->iv_ic; 1677 uint8_t *chanlist, *list; 1678 int i, nchan, maxchan, error; 1679 1680 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1681 ireq->i_len = sizeof(ic->ic_chan_active); 1682 list = IEEE80211_MALLOC(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1683 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1684 if (list == NULL) 1685 return ENOMEM; 1686 error = copyin(ireq->i_data, list, ireq->i_len); 1687 if (error) { 1688 IEEE80211_FREE(list, M_TEMP); 1689 return error; 1690 } 1691 nchan = 0; 1692 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1693 maxchan = ireq->i_len * NBBY; 1694 for (i = 0; i < ic->ic_nchans; i++) { 1695 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1696 /* 1697 * Calculate the intersection of the user list and the 1698 * available channels so users can do things like specify 1699 * 1-255 to get all available channels. 1700 */ 1701 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1702 setbit(chanlist, c->ic_ieee); 1703 nchan++; 1704 } 1705 } 1706 if (nchan == 0) { 1707 IEEE80211_FREE(list, M_TEMP); 1708 return EINVAL; 1709 } 1710 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1711 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1712 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1713 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1714 ieee80211_scan_flush(vap); 1715 IEEE80211_FREE(list, M_TEMP); 1716 return ENETRESET; 1717 } 1718 1719 static int 1720 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1721 { 1722 struct ieee80211_node *ni; 1723 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1724 int error; 1725 1726 /* 1727 * NB: we could copyin ieee80211req_sta_stats so apps 1728 * could make selective changes but that's overkill; 1729 * just clear all stats for now. 1730 */ 1731 if (ireq->i_len < IEEE80211_ADDR_LEN) 1732 return EINVAL; 1733 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1734 if (error != 0) 1735 return error; 1736 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1737 if (ni == NULL) 1738 return ENOENT; 1739 /* XXX require ni_vap == vap? */ 1740 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1741 ieee80211_free_node(ni); 1742 return 0; 1743 } 1744 1745 static int 1746 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1747 { 1748 struct ieee80211_node *ni; 1749 struct ieee80211req_sta_txpow txpow; 1750 int error; 1751 1752 if (ireq->i_len != sizeof(txpow)) 1753 return EINVAL; 1754 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1755 if (error != 0) 1756 return error; 1757 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1758 if (ni == NULL) 1759 return ENOENT; 1760 ni->ni_txpower = txpow.it_txpow; 1761 ieee80211_free_node(ni); 1762 return error; 1763 } 1764 1765 static int 1766 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1767 { 1768 struct ieee80211com *ic = vap->iv_ic; 1769 struct ieee80211_wme_state *wme = &ic->ic_wme; 1770 struct wmeParams *wmep, *chanp; 1771 int isbss, ac, aggrmode; 1772 1773 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1774 return EOPNOTSUPP; 1775 1776 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1777 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1778 aggrmode = (wme->wme_flags & WME_F_AGGRMODE); 1779 if (ac >= WME_NUM_AC) 1780 ac = WME_AC_BE; 1781 if (isbss) { 1782 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1783 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1784 } else { 1785 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1786 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1787 } 1788 switch (ireq->i_type) { 1789 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1790 wmep->wmep_logcwmin = ireq->i_val; 1791 if (!isbss || !aggrmode) 1792 chanp->wmep_logcwmin = ireq->i_val; 1793 break; 1794 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1795 wmep->wmep_logcwmax = ireq->i_val; 1796 if (!isbss || !aggrmode) 1797 chanp->wmep_logcwmax = ireq->i_val; 1798 break; 1799 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1800 wmep->wmep_aifsn = ireq->i_val; 1801 if (!isbss || !aggrmode) 1802 chanp->wmep_aifsn = ireq->i_val; 1803 break; 1804 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1805 wmep->wmep_txopLimit = ireq->i_val; 1806 if (!isbss || !aggrmode) 1807 chanp->wmep_txopLimit = ireq->i_val; 1808 break; 1809 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1810 wmep->wmep_acm = ireq->i_val; 1811 if (!aggrmode) 1812 chanp->wmep_acm = ireq->i_val; 1813 break; 1814 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1815 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1816 (ireq->i_val) == 0; 1817 break; 1818 } 1819 ieee80211_wme_updateparams(vap); 1820 return 0; 1821 } 1822 1823 static int 1824 find11gchannel(struct ieee80211com *ic, int start, int freq) 1825 { 1826 const struct ieee80211_channel *c; 1827 int i; 1828 1829 for (i = start+1; i < ic->ic_nchans; i++) { 1830 c = &ic->ic_channels[i]; 1831 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1832 return 1; 1833 } 1834 /* NB: should not be needed but in case things are mis-sorted */ 1835 for (i = 0; i < start; i++) { 1836 c = &ic->ic_channels[i]; 1837 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1838 return 1; 1839 } 1840 return 0; 1841 } 1842 1843 static struct ieee80211_channel * 1844 findchannel(struct ieee80211com *ic, int ieee, int mode) 1845 { 1846 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1847 [IEEE80211_MODE_AUTO] = 0, 1848 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1849 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1850 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1851 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1852 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1853 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1854 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1855 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1856 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1857 /* NB: handled specially below */ 1858 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1859 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1860 }; 1861 u_int modeflags; 1862 int i; 1863 1864 modeflags = chanflags[mode]; 1865 for (i = 0; i < ic->ic_nchans; i++) { 1866 struct ieee80211_channel *c = &ic->ic_channels[i]; 1867 1868 if (c->ic_ieee != ieee) 1869 continue; 1870 if (mode == IEEE80211_MODE_AUTO) { 1871 /* ignore turbo channels for autoselect */ 1872 if (IEEE80211_IS_CHAN_TURBO(c)) 1873 continue; 1874 /* 1875 * XXX special-case 11b/g channels so we 1876 * always select the g channel if both 1877 * are present. 1878 * XXX prefer HT to non-HT? 1879 */ 1880 if (!IEEE80211_IS_CHAN_B(c) || 1881 !find11gchannel(ic, i, c->ic_freq)) 1882 return c; 1883 } else { 1884 /* must check HT specially */ 1885 if ((mode == IEEE80211_MODE_11NA || 1886 mode == IEEE80211_MODE_11NG) && 1887 !IEEE80211_IS_CHAN_HT(c)) 1888 continue; 1889 if ((c->ic_flags & modeflags) == modeflags) 1890 return c; 1891 } 1892 } 1893 return NULL; 1894 } 1895 1896 /* 1897 * Check the specified against any desired mode (aka netband). 1898 * This is only used (presently) when operating in hostap mode 1899 * to enforce consistency. 1900 */ 1901 static int 1902 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1903 { 1904 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1905 1906 switch (mode) { 1907 case IEEE80211_MODE_11B: 1908 return (IEEE80211_IS_CHAN_B(c)); 1909 case IEEE80211_MODE_11G: 1910 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1911 case IEEE80211_MODE_11A: 1912 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1913 case IEEE80211_MODE_STURBO_A: 1914 return (IEEE80211_IS_CHAN_STURBO(c)); 1915 case IEEE80211_MODE_11NA: 1916 return (IEEE80211_IS_CHAN_HTA(c)); 1917 case IEEE80211_MODE_11NG: 1918 return (IEEE80211_IS_CHAN_HTG(c)); 1919 } 1920 return 1; 1921 1922 } 1923 1924 /* 1925 * Common code to set the current channel. If the device 1926 * is up and running this may result in an immediate channel 1927 * change or a kick of the state machine. 1928 */ 1929 static int 1930 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 1931 { 1932 struct ieee80211com *ic = vap->iv_ic; 1933 int error; 1934 1935 if (c != IEEE80211_CHAN_ANYC) { 1936 if (IEEE80211_IS_CHAN_RADAR(c)) 1937 return EBUSY; /* XXX better code? */ 1938 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 1939 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 1940 return EINVAL; 1941 if (!check_mode_consistency(c, vap->iv_des_mode)) 1942 return EINVAL; 1943 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 1944 if (IEEE80211_IS_CHAN_NOADHOC(c)) 1945 return EINVAL; 1946 } 1947 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) && 1948 vap->iv_bss->ni_chan == c) 1949 return 0; /* NB: nothing to do */ 1950 } 1951 vap->iv_des_chan = c; 1952 1953 error = 0; 1954 if (vap->iv_opmode == IEEE80211_M_MONITOR && 1955 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1956 /* 1957 * Monitor mode can switch directly. 1958 */ 1959 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 1960 /* XXX need state machine for other vap's to follow */ 1961 ieee80211_setcurchan(ic, vap->iv_des_chan); 1962 vap->iv_bss->ni_chan = ic->ic_curchan; 1963 } else 1964 ic->ic_curchan = vap->iv_des_chan; 1965 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1966 } else { 1967 /* 1968 * Need to go through the state machine in case we 1969 * need to reassociate or the like. The state machine 1970 * will pickup the desired channel and avoid scanning. 1971 */ 1972 if (IS_UP_AUTO(vap)) 1973 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 1974 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1975 /* 1976 * When not up+running and a real channel has 1977 * been specified fix the current channel so 1978 * there is immediate feedback; e.g. via ifconfig. 1979 */ 1980 ic->ic_curchan = vap->iv_des_chan; 1981 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1982 } 1983 } 1984 return error; 1985 } 1986 1987 /* 1988 * Old api for setting the current channel; this is 1989 * deprecated because channel numbers are ambiguous. 1990 */ 1991 static int 1992 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 1993 const struct ieee80211req *ireq) 1994 { 1995 struct ieee80211com *ic = vap->iv_ic; 1996 struct ieee80211_channel *c; 1997 1998 /* XXX 0xffff overflows 16-bit signed */ 1999 if (ireq->i_val == 0 || 2000 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 2001 c = IEEE80211_CHAN_ANYC; 2002 } else { 2003 struct ieee80211_channel *c2; 2004 2005 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 2006 if (c == NULL) { 2007 c = findchannel(ic, ireq->i_val, 2008 IEEE80211_MODE_AUTO); 2009 if (c == NULL) 2010 return EINVAL; 2011 } 2012 /* 2013 * Fine tune channel selection based on desired mode: 2014 * if 11b is requested, find the 11b version of any 2015 * 11g channel returned, 2016 * if static turbo, find the turbo version of any 2017 * 11a channel return, 2018 * if 11na is requested, find the ht version of any 2019 * 11a channel returned, 2020 * if 11ng is requested, find the ht version of any 2021 * 11g channel returned, 2022 * otherwise we should be ok with what we've got. 2023 */ 2024 switch (vap->iv_des_mode) { 2025 case IEEE80211_MODE_11B: 2026 if (IEEE80211_IS_CHAN_ANYG(c)) { 2027 c2 = findchannel(ic, ireq->i_val, 2028 IEEE80211_MODE_11B); 2029 /* NB: should not happen, =>'s 11g w/o 11b */ 2030 if (c2 != NULL) 2031 c = c2; 2032 } 2033 break; 2034 case IEEE80211_MODE_TURBO_A: 2035 if (IEEE80211_IS_CHAN_A(c)) { 2036 c2 = findchannel(ic, ireq->i_val, 2037 IEEE80211_MODE_TURBO_A); 2038 if (c2 != NULL) 2039 c = c2; 2040 } 2041 break; 2042 case IEEE80211_MODE_11NA: 2043 if (IEEE80211_IS_CHAN_A(c)) { 2044 c2 = findchannel(ic, ireq->i_val, 2045 IEEE80211_MODE_11NA); 2046 if (c2 != NULL) 2047 c = c2; 2048 } 2049 break; 2050 case IEEE80211_MODE_11NG: 2051 if (IEEE80211_IS_CHAN_ANYG(c)) { 2052 c2 = findchannel(ic, ireq->i_val, 2053 IEEE80211_MODE_11NG); 2054 if (c2 != NULL) 2055 c = c2; 2056 } 2057 break; 2058 default: /* NB: no static turboG */ 2059 break; 2060 } 2061 } 2062 return setcurchan(vap, c); 2063 } 2064 2065 /* 2066 * New/current api for setting the current channel; a complete 2067 * channel description is provide so there is no ambiguity in 2068 * identifying the channel. 2069 */ 2070 static int 2071 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 2072 const struct ieee80211req *ireq) 2073 { 2074 struct ieee80211com *ic = vap->iv_ic; 2075 struct ieee80211_channel chan, *c; 2076 int error; 2077 2078 if (ireq->i_len != sizeof(chan)) 2079 return EINVAL; 2080 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2081 if (error != 0) 2082 return error; 2083 /* XXX 0xffff overflows 16-bit signed */ 2084 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2085 c = IEEE80211_CHAN_ANYC; 2086 } else { 2087 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2088 if (c == NULL) 2089 return EINVAL; 2090 } 2091 return setcurchan(vap, c); 2092 } 2093 2094 static int 2095 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2096 const struct ieee80211req *ireq) 2097 { 2098 struct ieee80211_regdomain_req *reg; 2099 int nchans, error; 2100 2101 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2102 sizeof(struct ieee80211_channel)); 2103 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2104 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2105 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2106 ireq->i_len, nchans); 2107 return EINVAL; 2108 } 2109 reg = (struct ieee80211_regdomain_req *) 2110 IEEE80211_MALLOC(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, 2111 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2112 if (reg == NULL) { 2113 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2114 "%s: no memory, nchans %d\n", __func__, nchans); 2115 return ENOMEM; 2116 } 2117 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2118 if (error == 0) { 2119 /* NB: validate inline channel count against storage size */ 2120 if (reg->chaninfo.ic_nchans != nchans) { 2121 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2122 "%s: chan cnt mismatch, %d != %d\n", __func__, 2123 reg->chaninfo.ic_nchans, nchans); 2124 error = EINVAL; 2125 } else 2126 error = ieee80211_setregdomain(vap, reg); 2127 } 2128 IEEE80211_FREE(reg, M_TEMP); 2129 2130 return (error == 0 ? ENETRESET : error); 2131 } 2132 2133 static int 2134 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2135 const struct ieee80211req *ireq) 2136 { 2137 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2138 return EINVAL; 2139 /* XXX validate params */ 2140 /* XXX? ENETRESET to push to device? */ 2141 return copyin(ireq->i_data, vap->iv_roamparms, 2142 sizeof(vap->iv_roamparms)); 2143 } 2144 2145 static int 2146 checkrate(const struct ieee80211_rateset *rs, int rate) 2147 { 2148 int i; 2149 2150 if (rate == IEEE80211_FIXED_RATE_NONE) 2151 return 1; 2152 for (i = 0; i < rs->rs_nrates; i++) 2153 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2154 return 1; 2155 return 0; 2156 } 2157 2158 static int 2159 checkmcs(int mcs) 2160 { 2161 if (mcs == IEEE80211_FIXED_RATE_NONE) 2162 return 1; 2163 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2164 return 0; 2165 return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */ 2166 } 2167 2168 static int 2169 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2170 const struct ieee80211req *ireq) 2171 { 2172 struct ieee80211com *ic = vap->iv_ic; 2173 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2174 struct ieee80211_txparam *src, *dst; 2175 const struct ieee80211_rateset *rs; 2176 int error, mode, changed, is11n, nmodes; 2177 2178 /* NB: accept short requests for backwards compat */ 2179 if (ireq->i_len > sizeof(parms)) 2180 return EINVAL; 2181 error = copyin(ireq->i_data, &parms, ireq->i_len); 2182 if (error != 0) 2183 return error; 2184 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2185 changed = 0; 2186 /* validate parameters and check if anything changed */ 2187 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2188 if (isclr(ic->ic_modecaps, mode)) 2189 continue; 2190 src = &parms.params[mode]; 2191 dst = &vap->iv_txparms[mode]; 2192 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2193 is11n = (mode == IEEE80211_MODE_11NA || 2194 mode == IEEE80211_MODE_11NG); 2195 if (src->ucastrate != dst->ucastrate) { 2196 if (!checkrate(rs, src->ucastrate) && 2197 (!is11n || !checkmcs(src->ucastrate))) 2198 return EINVAL; 2199 changed++; 2200 } 2201 if (src->mcastrate != dst->mcastrate) { 2202 if (!checkrate(rs, src->mcastrate) && 2203 (!is11n || !checkmcs(src->mcastrate))) 2204 return EINVAL; 2205 changed++; 2206 } 2207 if (src->mgmtrate != dst->mgmtrate) { 2208 if (!checkrate(rs, src->mgmtrate) && 2209 (!is11n || !checkmcs(src->mgmtrate))) 2210 return EINVAL; 2211 changed++; 2212 } 2213 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2214 changed++; 2215 } 2216 if (changed) { 2217 /* 2218 * Copy new parameters in place and notify the 2219 * driver so it can push state to the device. 2220 */ 2221 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2222 if (isset(ic->ic_modecaps, mode)) 2223 vap->iv_txparms[mode] = parms.params[mode]; 2224 } 2225 /* XXX could be more intelligent, 2226 e.g. don't reset if setting not being used */ 2227 return ENETRESET; 2228 } 2229 return 0; 2230 } 2231 2232 /* 2233 * Application Information Element support. 2234 */ 2235 static int 2236 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2237 { 2238 struct ieee80211_appie *app = *aie; 2239 struct ieee80211_appie *napp; 2240 int error; 2241 2242 if (ireq->i_len == 0) { /* delete any existing ie */ 2243 if (app != NULL) { 2244 *aie = NULL; /* XXX racey */ 2245 IEEE80211_FREE(app, M_80211_NODE_IE); 2246 } 2247 return 0; 2248 } 2249 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2250 return EINVAL; 2251 /* 2252 * Allocate a new appie structure and copy in the user data. 2253 * When done swap in the new structure. Note that we do not 2254 * guard against users holding a ref to the old structure; 2255 * this must be handled outside this code. 2256 * 2257 * XXX bad bad bad 2258 */ 2259 napp = (struct ieee80211_appie *) IEEE80211_MALLOC( 2260 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, 2261 IEEE80211_M_NOWAIT); 2262 if (napp == NULL) 2263 return ENOMEM; 2264 /* XXX holding ic lock */ 2265 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2266 if (error) { 2267 IEEE80211_FREE(napp, M_80211_NODE_IE); 2268 return error; 2269 } 2270 napp->ie_len = ireq->i_len; 2271 *aie = napp; 2272 if (app != NULL) 2273 IEEE80211_FREE(app, M_80211_NODE_IE); 2274 return 0; 2275 } 2276 2277 static void 2278 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2279 { 2280 /* validate data is present as best we can */ 2281 if (space == 0 || 2+ie[1] > space) 2282 return; 2283 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2284 vap->iv_wpa_ie = ie; 2285 else if (ie[0] == IEEE80211_ELEMID_RSN) 2286 vap->iv_rsn_ie = ie; 2287 } 2288 2289 static int 2290 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2291 const struct ieee80211req *ireq, int fc0) 2292 { 2293 int error; 2294 2295 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2296 2297 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2298 case IEEE80211_FC0_SUBTYPE_BEACON: 2299 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2300 vap->iv_opmode != IEEE80211_M_IBSS) { 2301 error = EINVAL; 2302 break; 2303 } 2304 error = setappie(&vap->iv_appie_beacon, ireq); 2305 if (error == 0) 2306 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2307 break; 2308 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2309 error = setappie(&vap->iv_appie_proberesp, ireq); 2310 break; 2311 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2312 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2313 error = setappie(&vap->iv_appie_assocresp, ireq); 2314 else 2315 error = EINVAL; 2316 break; 2317 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2318 error = setappie(&vap->iv_appie_probereq, ireq); 2319 break; 2320 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2321 if (vap->iv_opmode == IEEE80211_M_STA) 2322 error = setappie(&vap->iv_appie_assocreq, ireq); 2323 else 2324 error = EINVAL; 2325 break; 2326 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2327 error = setappie(&vap->iv_appie_wpa, ireq); 2328 if (error == 0) { 2329 /* 2330 * Must split single blob of data into separate 2331 * WPA and RSN ie's because they go in different 2332 * locations in the mgt frames. 2333 * XXX use IEEE80211_IOC_WPA2 so user code does split 2334 */ 2335 vap->iv_wpa_ie = NULL; 2336 vap->iv_rsn_ie = NULL; 2337 if (vap->iv_appie_wpa != NULL) { 2338 struct ieee80211_appie *appie = 2339 vap->iv_appie_wpa; 2340 uint8_t *data = appie->ie_data; 2341 2342 /* XXX ie length validate is painful, cheat */ 2343 setwparsnie(vap, data, appie->ie_len); 2344 setwparsnie(vap, data + 2 + data[1], 2345 appie->ie_len - (2 + data[1])); 2346 } 2347 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2348 vap->iv_opmode == IEEE80211_M_IBSS) { 2349 /* 2350 * Must rebuild beacon frame as the update 2351 * mechanism doesn't handle WPA/RSN ie's. 2352 * Could extend it but it doesn't normally 2353 * change; this is just to deal with hostapd 2354 * plumbing the ie after the interface is up. 2355 */ 2356 error = ENETRESET; 2357 } 2358 } 2359 break; 2360 default: 2361 error = EINVAL; 2362 break; 2363 } 2364 return error; 2365 } 2366 2367 static int 2368 ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2369 const struct ieee80211req *ireq) 2370 { 2371 struct ieee80211com *ic = vap->iv_ic; 2372 int error; 2373 uint8_t fc0; 2374 2375 fc0 = ireq->i_val & 0xff; 2376 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2377 return EINVAL; 2378 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2379 IEEE80211_LOCK(ic); 2380 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2381 IEEE80211_UNLOCK(ic); 2382 return error; 2383 } 2384 2385 static int 2386 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2387 { 2388 struct ieee80211com *ic = vap->iv_ic; 2389 struct ieee80211_chanswitch_req csr; 2390 struct ieee80211_channel *c; 2391 int error; 2392 2393 if (ireq->i_len != sizeof(csr)) 2394 return EINVAL; 2395 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2396 if (error != 0) 2397 return error; 2398 /* XXX adhoc mode not supported */ 2399 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2400 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2401 return EOPNOTSUPP; 2402 c = ieee80211_find_channel(ic, 2403 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2404 if (c == NULL) 2405 return ENOENT; 2406 IEEE80211_LOCK(ic); 2407 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2408 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2409 else if (csr.csa_count == 0) 2410 ieee80211_csa_cancelswitch(ic); 2411 else 2412 error = EBUSY; 2413 IEEE80211_UNLOCK(ic); 2414 return error; 2415 } 2416 2417 static int 2418 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr) 2419 { 2420 #define IEEE80211_IOC_SCAN_FLAGS \ 2421 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2422 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2423 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2424 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2425 IEEE80211_IOC_SCAN_CHECK) 2426 struct ieee80211com *ic = vap->iv_ic; 2427 int error, i; 2428 2429 /* convert duration */ 2430 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2431 sr->sr_duration = IEEE80211_SCAN_FOREVER; 2432 else { 2433 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2434 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2435 return EINVAL; 2436 sr->sr_duration = msecs_to_ticks(sr->sr_duration); 2437 if (sr->sr_duration < 1) 2438 sr->sr_duration = 1; 2439 } 2440 /* convert min/max channel dwell */ 2441 if (sr->sr_mindwell != 0) { 2442 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell); 2443 if (sr->sr_mindwell < 1) 2444 sr->sr_mindwell = 1; 2445 } 2446 if (sr->sr_maxdwell != 0) { 2447 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell); 2448 if (sr->sr_maxdwell < 1) 2449 sr->sr_maxdwell = 1; 2450 } 2451 /* NB: silently reduce ssid count to what is supported */ 2452 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID) 2453 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID; 2454 for (i = 0; i < sr->sr_nssid; i++) 2455 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN) 2456 return EINVAL; 2457 /* cleanse flags just in case, could reject if invalid flags */ 2458 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2459 /* 2460 * Add an implicit NOPICK if the vap is not marked UP. This 2461 * allows applications to scan without joining a bss (or picking 2462 * a channel and setting up a bss) and without forcing manual 2463 * roaming mode--you just need to mark the parent device UP. 2464 */ 2465 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2466 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2467 2468 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2469 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2470 __func__, sr->sr_flags, 2471 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2472 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid); 2473 /* 2474 * If we are in INIT state then the driver has never had a chance 2475 * to setup hardware state to do a scan; we must use the state 2476 * machine to get us up to the SCAN state but once we reach SCAN 2477 * state we then want to use the supplied params. Stash the 2478 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2479 * state machines will recognize this and use the stashed params 2480 * to issue the scan request. 2481 * 2482 * Otherwise just invoke the scan machinery directly. 2483 */ 2484 IEEE80211_LOCK(ic); 2485 if (ic->ic_nrunning == 0) { 2486 IEEE80211_UNLOCK(ic); 2487 return ENXIO; 2488 } 2489 2490 if (vap->iv_state == IEEE80211_S_INIT) { 2491 /* NB: clobbers previous settings */ 2492 vap->iv_scanreq_flags = sr->sr_flags; 2493 vap->iv_scanreq_duration = sr->sr_duration; 2494 vap->iv_scanreq_nssid = sr->sr_nssid; 2495 for (i = 0; i < sr->sr_nssid; i++) { 2496 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len; 2497 memcpy(vap->iv_scanreq_ssid[i].ssid, 2498 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len); 2499 } 2500 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2501 IEEE80211_UNLOCK(ic); 2502 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2503 } else { 2504 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2505 IEEE80211_UNLOCK(ic); 2506 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2507 error = ieee80211_check_scan(vap, sr->sr_flags, 2508 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2509 sr->sr_nssid, 2510 /* NB: cheat, we assume structures are compatible */ 2511 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2512 } else { 2513 error = ieee80211_start_scan(vap, sr->sr_flags, 2514 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2515 sr->sr_nssid, 2516 /* NB: cheat, we assume structures are compatible */ 2517 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2518 } 2519 if (error == 0) 2520 return EINPROGRESS; 2521 } 2522 return 0; 2523 #undef IEEE80211_IOC_SCAN_FLAGS 2524 } 2525 2526 static int 2527 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2528 { 2529 struct ieee80211_scan_req *sr; 2530 int error; 2531 2532 if (ireq->i_len != sizeof(*sr)) 2533 return EINVAL; 2534 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 2535 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2536 if (sr == NULL) 2537 return ENOMEM; 2538 error = copyin(ireq->i_data, sr, sizeof(*sr)); 2539 if (error != 0) 2540 goto bad; 2541 error = ieee80211_scanreq(vap, sr); 2542 bad: 2543 IEEE80211_FREE(sr, M_TEMP); 2544 return error; 2545 } 2546 2547 static int 2548 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2549 { 2550 struct ieee80211_node *ni; 2551 struct ieee80211req_sta_vlan vlan; 2552 int error; 2553 2554 if (ireq->i_len != sizeof(vlan)) 2555 return EINVAL; 2556 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2557 if (error != 0) 2558 return error; 2559 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2560 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2561 vlan.sv_macaddr); 2562 if (ni == NULL) 2563 return ENOENT; 2564 } else 2565 ni = ieee80211_ref_node(vap->iv_bss); 2566 ni->ni_vlan = vlan.sv_vlan; 2567 ieee80211_free_node(ni); 2568 return error; 2569 } 2570 2571 static int 2572 isvap11g(const struct ieee80211vap *vap) 2573 { 2574 const struct ieee80211_node *bss = vap->iv_bss; 2575 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2576 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2577 } 2578 2579 static int 2580 isvapht(const struct ieee80211vap *vap) 2581 { 2582 const struct ieee80211_node *bss = vap->iv_bss; 2583 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2584 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2585 } 2586 2587 /* 2588 * Dummy ioctl set handler so the linker set is defined. 2589 */ 2590 static int 2591 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2592 { 2593 return ENOSYS; 2594 } 2595 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2596 2597 static int 2598 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2599 { 2600 ieee80211_ioctl_setfunc * const *set; 2601 int error; 2602 2603 SET_FOREACH(set, ieee80211_ioctl_setset) { 2604 error = (*set)(vap, ireq); 2605 if (error != ENOSYS) 2606 return error; 2607 } 2608 return EINVAL; 2609 } 2610 2611 static int 2612 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2613 { 2614 struct ieee80211com *ic = vap->iv_ic; 2615 int error; 2616 const struct ieee80211_authenticator *auth; 2617 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2618 char tmpssid[IEEE80211_NWID_LEN]; 2619 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2620 struct ieee80211_key *k; 2621 u_int kid; 2622 uint32_t flags; 2623 2624 error = 0; 2625 switch (ireq->i_type) { 2626 case IEEE80211_IOC_SSID: 2627 if (ireq->i_val != 0 || 2628 ireq->i_len > IEEE80211_NWID_LEN) 2629 return EINVAL; 2630 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2631 if (error) 2632 break; 2633 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2634 vap->iv_des_ssid[0].len = ireq->i_len; 2635 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2636 vap->iv_des_nssid = (ireq->i_len > 0); 2637 error = ENETRESET; 2638 break; 2639 case IEEE80211_IOC_WEP: 2640 switch (ireq->i_val) { 2641 case IEEE80211_WEP_OFF: 2642 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2643 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2644 break; 2645 case IEEE80211_WEP_ON: 2646 vap->iv_flags |= IEEE80211_F_PRIVACY; 2647 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2648 break; 2649 case IEEE80211_WEP_MIXED: 2650 vap->iv_flags |= IEEE80211_F_PRIVACY; 2651 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2652 break; 2653 } 2654 error = ENETRESET; 2655 break; 2656 case IEEE80211_IOC_WEPKEY: 2657 kid = (u_int) ireq->i_val; 2658 if (kid >= IEEE80211_WEP_NKID) 2659 return EINVAL; 2660 k = &vap->iv_nw_keys[kid]; 2661 if (ireq->i_len == 0) { 2662 /* zero-len =>'s delete any existing key */ 2663 (void) ieee80211_crypto_delkey(vap, k); 2664 break; 2665 } 2666 if (ireq->i_len > sizeof(tmpkey)) 2667 return EINVAL; 2668 memset(tmpkey, 0, sizeof(tmpkey)); 2669 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2670 if (error) 2671 break; 2672 ieee80211_key_update_begin(vap); 2673 k->wk_keyix = kid; /* NB: force fixed key id */ 2674 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2675 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2676 k->wk_keylen = ireq->i_len; 2677 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2678 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2679 if (!ieee80211_crypto_setkey(vap, k)) 2680 error = EINVAL; 2681 } else 2682 error = EINVAL; 2683 ieee80211_key_update_end(vap); 2684 break; 2685 case IEEE80211_IOC_WEPTXKEY: 2686 kid = (u_int) ireq->i_val; 2687 if (kid >= IEEE80211_WEP_NKID && 2688 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2689 return EINVAL; 2690 vap->iv_def_txkey = kid; 2691 break; 2692 case IEEE80211_IOC_AUTHMODE: 2693 switch (ireq->i_val) { 2694 case IEEE80211_AUTH_WPA: 2695 case IEEE80211_AUTH_8021X: /* 802.1x */ 2696 case IEEE80211_AUTH_OPEN: /* open */ 2697 case IEEE80211_AUTH_SHARED: /* shared-key */ 2698 case IEEE80211_AUTH_AUTO: /* auto */ 2699 auth = ieee80211_authenticator_get(ireq->i_val); 2700 if (auth == NULL) 2701 return EINVAL; 2702 break; 2703 default: 2704 return EINVAL; 2705 } 2706 switch (ireq->i_val) { 2707 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2708 vap->iv_flags |= IEEE80211_F_PRIVACY; 2709 ireq->i_val = IEEE80211_AUTH_8021X; 2710 break; 2711 case IEEE80211_AUTH_OPEN: /* open */ 2712 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2713 break; 2714 case IEEE80211_AUTH_SHARED: /* shared-key */ 2715 case IEEE80211_AUTH_8021X: /* 802.1x */ 2716 vap->iv_flags &= ~IEEE80211_F_WPA; 2717 /* both require a key so mark the PRIVACY capability */ 2718 vap->iv_flags |= IEEE80211_F_PRIVACY; 2719 break; 2720 case IEEE80211_AUTH_AUTO: /* auto */ 2721 vap->iv_flags &= ~IEEE80211_F_WPA; 2722 /* XXX PRIVACY handling? */ 2723 /* XXX what's the right way to do this? */ 2724 break; 2725 } 2726 /* NB: authenticator attach/detach happens on state change */ 2727 vap->iv_bss->ni_authmode = ireq->i_val; 2728 /* XXX mixed/mode/usage? */ 2729 vap->iv_auth = auth; 2730 error = ENETRESET; 2731 break; 2732 case IEEE80211_IOC_CHANNEL: 2733 error = ieee80211_ioctl_setchannel(vap, ireq); 2734 break; 2735 case IEEE80211_IOC_POWERSAVE: 2736 switch (ireq->i_val) { 2737 case IEEE80211_POWERSAVE_OFF: 2738 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2739 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2740 error = ERESTART; 2741 } 2742 break; 2743 case IEEE80211_POWERSAVE_ON: 2744 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2745 error = EOPNOTSUPP; 2746 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2747 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2748 error = ERESTART; 2749 } 2750 break; 2751 default: 2752 error = EINVAL; 2753 break; 2754 } 2755 break; 2756 case IEEE80211_IOC_POWERSAVESLEEP: 2757 if (ireq->i_val < 0) 2758 return EINVAL; 2759 ic->ic_lintval = ireq->i_val; 2760 error = ERESTART; 2761 break; 2762 case IEEE80211_IOC_RTSTHRESHOLD: 2763 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2764 ireq->i_val <= IEEE80211_RTS_MAX)) 2765 return EINVAL; 2766 vap->iv_rtsthreshold = ireq->i_val; 2767 error = ERESTART; 2768 break; 2769 case IEEE80211_IOC_PROTMODE: 2770 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2771 return EINVAL; 2772 ic->ic_protmode = (enum ieee80211_protmode)ireq->i_val; 2773 /* NB: if not operating in 11g this can wait */ 2774 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2775 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2776 error = ERESTART; 2777 break; 2778 case IEEE80211_IOC_TXPOWER: 2779 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2780 return EOPNOTSUPP; 2781 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2782 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2783 return EINVAL; 2784 ic->ic_txpowlimit = ireq->i_val; 2785 error = ERESTART; 2786 break; 2787 case IEEE80211_IOC_ROAMING: 2788 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2789 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2790 return EINVAL; 2791 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val; 2792 /* XXXX reset? */ 2793 break; 2794 case IEEE80211_IOC_PRIVACY: 2795 if (ireq->i_val) { 2796 /* XXX check for key state? */ 2797 vap->iv_flags |= IEEE80211_F_PRIVACY; 2798 } else 2799 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2800 /* XXX ERESTART? */ 2801 break; 2802 case IEEE80211_IOC_DROPUNENCRYPTED: 2803 if (ireq->i_val) 2804 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2805 else 2806 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2807 /* XXX ERESTART? */ 2808 break; 2809 case IEEE80211_IOC_WPAKEY: 2810 error = ieee80211_ioctl_setkey(vap, ireq); 2811 break; 2812 case IEEE80211_IOC_DELKEY: 2813 error = ieee80211_ioctl_delkey(vap, ireq); 2814 break; 2815 case IEEE80211_IOC_MLME: 2816 error = ieee80211_ioctl_setmlme(vap, ireq); 2817 break; 2818 case IEEE80211_IOC_COUNTERMEASURES: 2819 if (ireq->i_val) { 2820 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2821 return EOPNOTSUPP; 2822 vap->iv_flags |= IEEE80211_F_COUNTERM; 2823 } else 2824 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2825 /* XXX ERESTART? */ 2826 break; 2827 case IEEE80211_IOC_WPA: 2828 if (ireq->i_val > 3) 2829 return EINVAL; 2830 /* XXX verify ciphers available */ 2831 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2832 switch (ireq->i_val) { 2833 case 0: 2834 /* wpa_supplicant calls this to clear the WPA config */ 2835 break; 2836 case 1: 2837 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2838 return EOPNOTSUPP; 2839 flags |= IEEE80211_F_WPA1; 2840 break; 2841 case 2: 2842 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2843 return EOPNOTSUPP; 2844 flags |= IEEE80211_F_WPA2; 2845 break; 2846 case 3: 2847 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2848 return EOPNOTSUPP; 2849 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2850 break; 2851 default: /* Can't set any -> error */ 2852 return EOPNOTSUPP; 2853 } 2854 vap->iv_flags = flags; 2855 error = ERESTART; /* NB: can change beacon frame */ 2856 break; 2857 case IEEE80211_IOC_WME: 2858 if (ireq->i_val) { 2859 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 2860 return EOPNOTSUPP; 2861 ieee80211_syncflag(vap, IEEE80211_F_WME); 2862 } else 2863 ieee80211_syncflag(vap, -IEEE80211_F_WME); 2864 error = ERESTART; /* NB: can change beacon frame */ 2865 break; 2866 case IEEE80211_IOC_HIDESSID: 2867 if (ireq->i_val) 2868 vap->iv_flags |= IEEE80211_F_HIDESSID; 2869 else 2870 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 2871 error = ERESTART; /* XXX ENETRESET? */ 2872 break; 2873 case IEEE80211_IOC_APBRIDGE: 2874 if (ireq->i_val == 0) 2875 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 2876 else 2877 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 2878 break; 2879 case IEEE80211_IOC_BSSID: 2880 if (ireq->i_len != sizeof(tmpbssid)) 2881 return EINVAL; 2882 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 2883 if (error) 2884 break; 2885 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 2886 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 2887 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 2888 else 2889 vap->iv_flags |= IEEE80211_F_DESBSSID; 2890 error = ENETRESET; 2891 break; 2892 case IEEE80211_IOC_CHANLIST: 2893 error = ieee80211_ioctl_setchanlist(vap, ireq); 2894 break; 2895 #define OLD_IEEE80211_IOC_SCAN_REQ 23 2896 #ifdef OLD_IEEE80211_IOC_SCAN_REQ 2897 case OLD_IEEE80211_IOC_SCAN_REQ: 2898 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2899 "%s: active scan request\n", __func__); 2900 /* 2901 * If we are in INIT state then the driver has never 2902 * had a chance to setup hardware state to do a scan; 2903 * use the state machine to get us up the SCAN state. 2904 * Otherwise just invoke the scan machinery to start 2905 * a one-time scan. 2906 */ 2907 if (vap->iv_state == IEEE80211_S_INIT) 2908 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2909 else 2910 (void) ieee80211_start_scan(vap, 2911 IEEE80211_SCAN_ACTIVE | 2912 IEEE80211_SCAN_NOPICK | 2913 IEEE80211_SCAN_ONCE, 2914 IEEE80211_SCAN_FOREVER, 0, 0, 2915 /* XXX use ioctl params */ 2916 vap->iv_des_nssid, vap->iv_des_ssid); 2917 break; 2918 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 2919 case IEEE80211_IOC_SCAN_REQ: 2920 error = ieee80211_ioctl_scanreq(vap, ireq); 2921 break; 2922 case IEEE80211_IOC_SCAN_CANCEL: 2923 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2924 "%s: cancel scan\n", __func__); 2925 ieee80211_cancel_scan(vap); 2926 break; 2927 case IEEE80211_IOC_HTCONF: 2928 if (ireq->i_val & 1) 2929 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 2930 else 2931 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 2932 if (ireq->i_val & 2) 2933 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 2934 else 2935 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 2936 error = ENETRESET; 2937 break; 2938 case IEEE80211_IOC_ADDMAC: 2939 case IEEE80211_IOC_DELMAC: 2940 error = ieee80211_ioctl_macmac(vap, ireq); 2941 break; 2942 case IEEE80211_IOC_MACCMD: 2943 error = ieee80211_ioctl_setmaccmd(vap, ireq); 2944 break; 2945 case IEEE80211_IOC_STA_STATS: 2946 error = ieee80211_ioctl_setstastats(vap, ireq); 2947 break; 2948 case IEEE80211_IOC_STA_TXPOW: 2949 error = ieee80211_ioctl_setstatxpow(vap, ireq); 2950 break; 2951 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 2952 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 2953 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 2954 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 2955 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 2956 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 2957 error = ieee80211_ioctl_setwmeparam(vap, ireq); 2958 break; 2959 case IEEE80211_IOC_DTIM_PERIOD: 2960 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2961 vap->iv_opmode != IEEE80211_M_MBSS && 2962 vap->iv_opmode != IEEE80211_M_IBSS) 2963 return EINVAL; 2964 if (IEEE80211_DTIM_MIN <= ireq->i_val && 2965 ireq->i_val <= IEEE80211_DTIM_MAX) { 2966 vap->iv_dtim_period = ireq->i_val; 2967 error = ENETRESET; /* requires restart */ 2968 } else 2969 error = EINVAL; 2970 break; 2971 case IEEE80211_IOC_BEACON_INTERVAL: 2972 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2973 vap->iv_opmode != IEEE80211_M_MBSS && 2974 vap->iv_opmode != IEEE80211_M_IBSS) 2975 return EINVAL; 2976 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 2977 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 2978 ic->ic_bintval = ireq->i_val; 2979 error = ENETRESET; /* requires restart */ 2980 } else 2981 error = EINVAL; 2982 break; 2983 case IEEE80211_IOC_PUREG: 2984 if (ireq->i_val) 2985 vap->iv_flags |= IEEE80211_F_PUREG; 2986 else 2987 vap->iv_flags &= ~IEEE80211_F_PUREG; 2988 /* NB: reset only if we're operating on an 11g channel */ 2989 if (isvap11g(vap)) 2990 error = ENETRESET; 2991 break; 2992 case IEEE80211_IOC_QUIET: 2993 vap->iv_quiet= ireq->i_val; 2994 break; 2995 case IEEE80211_IOC_QUIET_COUNT: 2996 vap->iv_quiet_count=ireq->i_val; 2997 break; 2998 case IEEE80211_IOC_QUIET_PERIOD: 2999 vap->iv_quiet_period=ireq->i_val; 3000 break; 3001 case IEEE80211_IOC_QUIET_OFFSET: 3002 vap->iv_quiet_offset=ireq->i_val; 3003 break; 3004 case IEEE80211_IOC_QUIET_DUR: 3005 if(ireq->i_val < vap->iv_bss->ni_intval) 3006 vap->iv_quiet_duration = ireq->i_val; 3007 else 3008 error = EINVAL; 3009 break; 3010 case IEEE80211_IOC_BGSCAN: 3011 if (ireq->i_val) { 3012 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 3013 return EOPNOTSUPP; 3014 vap->iv_flags |= IEEE80211_F_BGSCAN; 3015 } else 3016 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 3017 break; 3018 case IEEE80211_IOC_BGSCAN_IDLE: 3019 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 3020 vap->iv_bgscanidle = ireq->i_val*hz/1000; 3021 else 3022 error = EINVAL; 3023 break; 3024 case IEEE80211_IOC_BGSCAN_INTERVAL: 3025 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 3026 vap->iv_bgscanintvl = ireq->i_val*hz; 3027 else 3028 error = EINVAL; 3029 break; 3030 case IEEE80211_IOC_SCANVALID: 3031 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 3032 vap->iv_scanvalid = ireq->i_val*hz; 3033 else 3034 error = EINVAL; 3035 break; 3036 case IEEE80211_IOC_FRAGTHRESHOLD: 3037 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 3038 ireq->i_val != IEEE80211_FRAG_MAX) 3039 return EOPNOTSUPP; 3040 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 3041 ireq->i_val <= IEEE80211_FRAG_MAX)) 3042 return EINVAL; 3043 vap->iv_fragthreshold = ireq->i_val; 3044 error = ERESTART; 3045 break; 3046 case IEEE80211_IOC_BURST: 3047 if (ireq->i_val) { 3048 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 3049 return EOPNOTSUPP; 3050 ieee80211_syncflag(vap, IEEE80211_F_BURST); 3051 } else 3052 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 3053 error = ERESTART; 3054 break; 3055 case IEEE80211_IOC_BMISSTHRESHOLD: 3056 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 3057 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 3058 return EINVAL; 3059 vap->iv_bmissthreshold = ireq->i_val; 3060 error = ERESTART; 3061 break; 3062 case IEEE80211_IOC_CURCHAN: 3063 error = ieee80211_ioctl_setcurchan(vap, ireq); 3064 break; 3065 case IEEE80211_IOC_SHORTGI: 3066 if (ireq->i_val) { 3067 #define IEEE80211_HTCAP_SHORTGI \ 3068 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 3069 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 3070 return EINVAL; 3071 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 3072 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 3073 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 3074 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 3075 #undef IEEE80211_HTCAP_SHORTGI 3076 } else 3077 vap->iv_flags_ht &= 3078 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 3079 error = ERESTART; 3080 break; 3081 case IEEE80211_IOC_AMPDU: 3082 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 3083 return EINVAL; 3084 if (ireq->i_val & 1) 3085 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 3086 else 3087 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 3088 if (ireq->i_val & 2) 3089 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 3090 else 3091 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 3092 /* NB: reset only if we're operating on an 11n channel */ 3093 if (isvapht(vap)) 3094 error = ERESTART; 3095 break; 3096 case IEEE80211_IOC_AMPDU_LIMIT: 3097 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 3098 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 3099 return EINVAL; 3100 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 3101 vap->iv_ampdu_rxmax = ireq->i_val; 3102 else 3103 vap->iv_ampdu_limit = ireq->i_val; 3104 error = ERESTART; 3105 break; 3106 case IEEE80211_IOC_AMPDU_DENSITY: 3107 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 3108 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 3109 return EINVAL; 3110 vap->iv_ampdu_density = ireq->i_val; 3111 error = ERESTART; 3112 break; 3113 case IEEE80211_IOC_AMSDU: 3114 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 3115 return EINVAL; 3116 if (ireq->i_val & 1) 3117 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 3118 else 3119 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 3120 if (ireq->i_val & 2) 3121 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 3122 else 3123 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 3124 /* NB: reset only if we're operating on an 11n channel */ 3125 if (isvapht(vap)) 3126 error = ERESTART; 3127 break; 3128 case IEEE80211_IOC_AMSDU_LIMIT: 3129 /* XXX validate */ 3130 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 3131 break; 3132 case IEEE80211_IOC_PUREN: 3133 if (ireq->i_val) { 3134 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3135 return EINVAL; 3136 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3137 } else 3138 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3139 /* NB: reset only if we're operating on an 11n channel */ 3140 if (isvapht(vap)) 3141 error = ERESTART; 3142 break; 3143 case IEEE80211_IOC_DOTH: 3144 if (ireq->i_val) { 3145 #if 0 3146 /* XXX no capability */ 3147 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3148 return EOPNOTSUPP; 3149 #endif 3150 vap->iv_flags |= IEEE80211_F_DOTH; 3151 } else 3152 vap->iv_flags &= ~IEEE80211_F_DOTH; 3153 error = ENETRESET; 3154 break; 3155 case IEEE80211_IOC_REGDOMAIN: 3156 error = ieee80211_ioctl_setregdomain(vap, ireq); 3157 break; 3158 case IEEE80211_IOC_ROAM: 3159 error = ieee80211_ioctl_setroam(vap, ireq); 3160 break; 3161 case IEEE80211_IOC_TXPARAMS: 3162 error = ieee80211_ioctl_settxparams(vap, ireq); 3163 break; 3164 case IEEE80211_IOC_HTCOMPAT: 3165 if (ireq->i_val) { 3166 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3167 return EOPNOTSUPP; 3168 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3169 } else 3170 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 3171 /* NB: reset only if we're operating on an 11n channel */ 3172 if (isvapht(vap)) 3173 error = ERESTART; 3174 break; 3175 case IEEE80211_IOC_DWDS: 3176 if (ireq->i_val) { 3177 /* NB: DWDS only makes sense for WDS-capable devices */ 3178 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3179 return EOPNOTSUPP; 3180 /* NB: DWDS is used only with ap+sta vaps */ 3181 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3182 vap->iv_opmode != IEEE80211_M_STA) 3183 return EINVAL; 3184 vap->iv_flags |= IEEE80211_F_DWDS; 3185 if (vap->iv_opmode == IEEE80211_M_STA) 3186 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3187 } else { 3188 vap->iv_flags &= ~IEEE80211_F_DWDS; 3189 if (vap->iv_opmode == IEEE80211_M_STA) 3190 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3191 } 3192 break; 3193 case IEEE80211_IOC_INACTIVITY: 3194 if (ireq->i_val) 3195 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3196 else 3197 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3198 break; 3199 case IEEE80211_IOC_APPIE: 3200 error = ieee80211_ioctl_setappie(vap, ireq); 3201 break; 3202 case IEEE80211_IOC_WPS: 3203 if (ireq->i_val) { 3204 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3205 return EOPNOTSUPP; 3206 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3207 } else 3208 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3209 break; 3210 case IEEE80211_IOC_TSN: 3211 if (ireq->i_val) { 3212 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3213 return EOPNOTSUPP; 3214 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3215 } else 3216 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3217 break; 3218 case IEEE80211_IOC_CHANSWITCH: 3219 error = ieee80211_ioctl_chanswitch(vap, ireq); 3220 break; 3221 case IEEE80211_IOC_DFS: 3222 if (ireq->i_val) { 3223 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3224 return EOPNOTSUPP; 3225 /* NB: DFS requires 11h support */ 3226 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3227 return EINVAL; 3228 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3229 } else 3230 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3231 break; 3232 case IEEE80211_IOC_DOTD: 3233 if (ireq->i_val) 3234 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3235 else 3236 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3237 if (vap->iv_opmode == IEEE80211_M_STA) 3238 error = ENETRESET; 3239 break; 3240 case IEEE80211_IOC_HTPROTMODE: 3241 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3242 return EINVAL; 3243 ic->ic_htprotmode = ireq->i_val ? 3244 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3245 /* NB: if not operating in 11n this can wait */ 3246 if (isvapht(vap)) 3247 error = ERESTART; 3248 break; 3249 case IEEE80211_IOC_STA_VLAN: 3250 error = ieee80211_ioctl_setstavlan(vap, ireq); 3251 break; 3252 case IEEE80211_IOC_SMPS: 3253 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3254 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3255 return EINVAL; 3256 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3257 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3258 return EOPNOTSUPP; 3259 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3260 ireq->i_val; 3261 /* NB: if not operating in 11n this can wait */ 3262 if (isvapht(vap)) 3263 error = ERESTART; 3264 break; 3265 case IEEE80211_IOC_RIFS: 3266 if (ireq->i_val != 0) { 3267 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3268 return EOPNOTSUPP; 3269 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3270 } else 3271 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3272 /* NB: if not operating in 11n this can wait */ 3273 if (isvapht(vap)) 3274 error = ERESTART; 3275 break; 3276 case IEEE80211_IOC_STBC: 3277 /* Check if we can do STBC TX/RX before changing the setting */ 3278 if ((ireq->i_val & 1) && 3279 ((vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) == 0)) 3280 return EOPNOTSUPP; 3281 if ((ireq->i_val & 2) && 3282 ((vap->iv_htcaps & IEEE80211_HTCAP_RXSTBC) == 0)) 3283 return EOPNOTSUPP; 3284 3285 /* TX */ 3286 if (ireq->i_val & 1) 3287 vap->iv_flags_ht |= IEEE80211_FHT_STBC_TX; 3288 else 3289 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_TX; 3290 3291 /* RX */ 3292 if (ireq->i_val & 2) 3293 vap->iv_flags_ht |= IEEE80211_FHT_STBC_RX; 3294 else 3295 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_RX; 3296 3297 /* NB: reset only if we're operating on an 11n channel */ 3298 if (isvapht(vap)) 3299 error = ERESTART; 3300 break; 3301 default: 3302 error = ieee80211_ioctl_setdefault(vap, ireq); 3303 break; 3304 } 3305 /* 3306 * The convention is that ENETRESET means an operation 3307 * requires a complete re-initialization of the device (e.g. 3308 * changing something that affects the association state). 3309 * ERESTART means the request may be handled with only a 3310 * reload of the hardware state. We hand ERESTART requests 3311 * to the iv_reset callback so the driver can decide. If 3312 * a device does not fillin iv_reset then it defaults to one 3313 * that returns ENETRESET. Otherwise a driver may return 3314 * ENETRESET (in which case a full reset will be done) or 3315 * 0 to mean there's no need to do anything (e.g. when the 3316 * change has no effect on the driver/device). 3317 */ 3318 if (error == ERESTART) 3319 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3320 vap->iv_reset(vap, ireq->i_type) : 0; 3321 if (error == ENETRESET) { 3322 /* XXX need to re-think AUTO handling */ 3323 if (IS_UP_AUTO(vap)) 3324 ieee80211_init(vap); 3325 error = 0; 3326 } 3327 return error; 3328 } 3329 3330 int 3331 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3332 { 3333 struct ieee80211vap *vap = ifp->if_softc; 3334 struct ieee80211com *ic = vap->iv_ic; 3335 int error = 0, wait = 0; 3336 struct ifreq *ifr; 3337 struct ifaddr *ifa; /* XXX */ 3338 3339 switch (cmd) { 3340 case SIOCSIFFLAGS: 3341 IEEE80211_LOCK(ic); 3342 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_PROMISC) { 3343 /* 3344 * Enable promiscuous mode when: 3345 * 1. Interface is not a member of bridge, or 3346 * 2. Requested by user, or 3347 * 3. In monitor (or adhoc-demo) mode. 3348 */ 3349 if (ifp->if_bridge == NULL || 3350 (ifp->if_flags & IFF_PPROMISC) != 0 || 3351 vap->iv_opmode == IEEE80211_M_MONITOR || 3352 (vap->iv_opmode == IEEE80211_M_AHDEMO && 3353 (vap->iv_caps & IEEE80211_C_TDMA) == 0)) { 3354 ieee80211_promisc(vap, 3355 ifp->if_flags & IFF_PROMISC); 3356 vap->iv_ifflags ^= IFF_PROMISC; 3357 } 3358 } 3359 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_ALLMULTI) { 3360 ieee80211_allmulti(vap, ifp->if_flags & IFF_ALLMULTI); 3361 vap->iv_ifflags ^= IFF_ALLMULTI; 3362 } 3363 if (ifp->if_flags & IFF_UP) { 3364 /* 3365 * Bring ourself up unless we're already operational. 3366 * If we're the first vap and the parent is not up 3367 * then it will automatically be brought up as a 3368 * side-effect of bringing ourself up. 3369 */ 3370 if (vap->iv_state == IEEE80211_S_INIT) { 3371 if (ic->ic_nrunning == 0) 3372 wait = 1; 3373 ieee80211_start_locked(vap); 3374 } 3375 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 3376 /* 3377 * Stop ourself. If we are the last vap to be 3378 * marked down the parent will also be taken down. 3379 */ 3380 if (ic->ic_nrunning == 1) 3381 wait = 1; 3382 ieee80211_stop_locked(vap); 3383 } 3384 IEEE80211_UNLOCK(ic); 3385 /* Wait for parent ioctl handler if it was queued */ 3386 if (wait) { 3387 ieee80211_waitfor_parent(ic); 3388 3389 /* 3390 * Check if the MAC address was changed 3391 * via SIOCSIFLLADDR ioctl. 3392 */ 3393 if_addr_rlock(ifp); 3394 if ((ifp->if_flags & IFF_UP) == 0 && 3395 !IEEE80211_ADDR_EQ(vap->iv_myaddr, IF_LLADDR(ifp))) 3396 IEEE80211_ADDR_COPY(vap->iv_myaddr, 3397 IF_LLADDR(ifp)); 3398 if_addr_runlock(ifp); 3399 } 3400 break; 3401 case SIOCADDMULTI: 3402 case SIOCDELMULTI: 3403 ieee80211_runtask(ic, &ic->ic_mcast_task); 3404 break; 3405 case SIOCSIFMEDIA: 3406 case SIOCGIFMEDIA: 3407 ifr = (struct ifreq *)data; 3408 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3409 break; 3410 case SIOCG80211: 3411 error = ieee80211_ioctl_get80211(vap, cmd, 3412 (struct ieee80211req *) data); 3413 break; 3414 case SIOCS80211: 3415 error = priv_check(curthread, PRIV_NET80211_MANAGE); 3416 if (error == 0) 3417 error = ieee80211_ioctl_set80211(vap, cmd, 3418 (struct ieee80211req *) data); 3419 break; 3420 case SIOCG80211STATS: 3421 ifr = (struct ifreq *)data; 3422 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats)); 3423 break; 3424 case SIOCSIFMTU: 3425 ifr = (struct ifreq *)data; 3426 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3427 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3428 error = EINVAL; 3429 else 3430 ifp->if_mtu = ifr->ifr_mtu; 3431 break; 3432 case SIOCSIFADDR: 3433 /* 3434 * XXX Handle this directly so we can suppress if_init calls. 3435 * XXX This should be done in ether_ioctl but for the moment 3436 * XXX there are too many other parts of the system that 3437 * XXX set IFF_UP and so suppress if_init being called when 3438 * XXX it should be. 3439 */ 3440 ifa = (struct ifaddr *) data; 3441 switch (ifa->ifa_addr->sa_family) { 3442 #ifdef INET 3443 case AF_INET: 3444 if ((ifp->if_flags & IFF_UP) == 0) { 3445 ifp->if_flags |= IFF_UP; 3446 ifp->if_init(ifp->if_softc); 3447 } 3448 arp_ifinit(ifp, ifa); 3449 break; 3450 #endif 3451 default: 3452 if ((ifp->if_flags & IFF_UP) == 0) { 3453 ifp->if_flags |= IFF_UP; 3454 ifp->if_init(ifp->if_softc); 3455 } 3456 break; 3457 } 3458 break; 3459 default: 3460 /* 3461 * Pass unknown ioctls first to the driver, and if it 3462 * returns ENOTTY, then to the generic Ethernet handler. 3463 */ 3464 if (ic->ic_ioctl != NULL && 3465 (error = ic->ic_ioctl(ic, cmd, data)) != ENOTTY) 3466 break; 3467 error = ether_ioctl(ifp, cmd, data); 3468 break; 3469 } 3470 return (error); 3471 } 3472