1 /*- 2 * Copyright (c) 2001 Atsushi Onoe 3 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 /* 31 * IEEE 802.11 ioctl support (FreeBSD-specific) 32 */ 33 34 #include "opt_inet.h" 35 #include "opt_wlan.h" 36 37 #include <sys/endian.h> 38 #include <sys/param.h> 39 #include <sys/kernel.h> 40 #include <sys/priv.h> 41 #include <sys/socket.h> 42 #include <sys/sockio.h> 43 #include <sys/systm.h> 44 45 #include <net/if.h> 46 #include <net/if_var.h> 47 #include <net/if_dl.h> 48 #include <net/if_media.h> 49 #include <net/ethernet.h> 50 51 #ifdef INET 52 #include <netinet/in.h> 53 #include <netinet/if_ether.h> 54 #endif 55 56 #include <net80211/ieee80211_var.h> 57 #include <net80211/ieee80211_ioctl.h> 58 #include <net80211/ieee80211_regdomain.h> 59 #include <net80211/ieee80211_input.h> 60 61 #define IS_UP_AUTO(_vap) \ 62 (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \ 63 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO) 64 65 static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 66 static struct ieee80211_channel *findchannel(struct ieee80211com *, 67 int ieee, int mode); 68 static int ieee80211_scanreq(struct ieee80211vap *, 69 struct ieee80211_scan_req *); 70 71 static int 72 ieee80211_ioctl_getkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 73 { 74 struct ieee80211com *ic = vap->iv_ic; 75 struct ieee80211_node *ni; 76 struct ieee80211req_key ik; 77 struct ieee80211_key *wk; 78 const struct ieee80211_cipher *cip; 79 u_int kid; 80 int error; 81 82 if (ireq->i_len != sizeof(ik)) 83 return EINVAL; 84 error = copyin(ireq->i_data, &ik, sizeof(ik)); 85 if (error) 86 return error; 87 kid = ik.ik_keyix; 88 if (kid == IEEE80211_KEYIX_NONE) { 89 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr); 90 if (ni == NULL) 91 return ENOENT; 92 wk = &ni->ni_ucastkey; 93 } else { 94 if (kid >= IEEE80211_WEP_NKID) 95 return EINVAL; 96 wk = &vap->iv_nw_keys[kid]; 97 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr); 98 ni = NULL; 99 } 100 cip = wk->wk_cipher; 101 ik.ik_type = cip->ic_cipher; 102 ik.ik_keylen = wk->wk_keylen; 103 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 104 if (wk->wk_keyix == vap->iv_def_txkey) 105 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 106 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 107 /* NB: only root can read key data */ 108 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID]; 109 ik.ik_keytsc = wk->wk_keytsc; 110 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 111 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 112 memcpy(ik.ik_keydata+wk->wk_keylen, 113 wk->wk_key + IEEE80211_KEYBUF_SIZE, 114 IEEE80211_MICBUF_SIZE); 115 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 116 } 117 } else { 118 ik.ik_keyrsc = 0; 119 ik.ik_keytsc = 0; 120 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 121 } 122 if (ni != NULL) 123 ieee80211_free_node(ni); 124 return copyout(&ik, ireq->i_data, sizeof(ik)); 125 } 126 127 static int 128 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 129 { 130 struct ieee80211com *ic = vap->iv_ic; 131 132 if (sizeof(ic->ic_chan_active) < ireq->i_len) 133 ireq->i_len = sizeof(ic->ic_chan_active); 134 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); 135 } 136 137 static int 138 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 139 { 140 struct ieee80211com *ic = vap->iv_ic; 141 uint32_t space; 142 143 space = __offsetof(struct ieee80211req_chaninfo, 144 ic_chans[ic->ic_nchans]); 145 if (space > ireq->i_len) 146 space = ireq->i_len; 147 /* XXX assumes compatible layout */ 148 return copyout(&ic->ic_nchans, ireq->i_data, space); 149 } 150 151 static int 152 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap, 153 struct ieee80211req *ireq, int req) 154 { 155 struct ieee80211_node *ni; 156 struct ieee80211req_wpaie2 *wpaie; 157 int error; 158 159 if (ireq->i_len < IEEE80211_ADDR_LEN) 160 return EINVAL; 161 wpaie = IEEE80211_MALLOC(sizeof(*wpaie), M_TEMP, 162 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 163 if (wpaie == NULL) 164 return ENOMEM; 165 error = copyin(ireq->i_data, wpaie->wpa_macaddr, IEEE80211_ADDR_LEN); 166 if (error != 0) 167 goto bad; 168 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie->wpa_macaddr); 169 if (ni == NULL) { 170 error = ENOENT; 171 goto bad; 172 } 173 if (ni->ni_ies.wpa_ie != NULL) { 174 int ielen = ni->ni_ies.wpa_ie[1] + 2; 175 if (ielen > sizeof(wpaie->wpa_ie)) 176 ielen = sizeof(wpaie->wpa_ie); 177 memcpy(wpaie->wpa_ie, ni->ni_ies.wpa_ie, ielen); 178 } 179 if (req == IEEE80211_IOC_WPAIE2) { 180 if (ni->ni_ies.rsn_ie != NULL) { 181 int ielen = ni->ni_ies.rsn_ie[1] + 2; 182 if (ielen > sizeof(wpaie->rsn_ie)) 183 ielen = sizeof(wpaie->rsn_ie); 184 memcpy(wpaie->rsn_ie, ni->ni_ies.rsn_ie, ielen); 185 } 186 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2)) 187 ireq->i_len = sizeof(struct ieee80211req_wpaie2); 188 } else { 189 /* compatibility op, may overwrite wpa ie */ 190 /* XXX check ic_flags? */ 191 if (ni->ni_ies.rsn_ie != NULL) { 192 int ielen = ni->ni_ies.rsn_ie[1] + 2; 193 if (ielen > sizeof(wpaie->wpa_ie)) 194 ielen = sizeof(wpaie->wpa_ie); 195 memcpy(wpaie->wpa_ie, ni->ni_ies.rsn_ie, ielen); 196 } 197 if (ireq->i_len > sizeof(struct ieee80211req_wpaie)) 198 ireq->i_len = sizeof(struct ieee80211req_wpaie); 199 } 200 ieee80211_free_node(ni); 201 error = copyout(wpaie, ireq->i_data, ireq->i_len); 202 bad: 203 IEEE80211_FREE(wpaie, M_TEMP); 204 return error; 205 } 206 207 static int 208 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 209 { 210 struct ieee80211_node *ni; 211 uint8_t macaddr[IEEE80211_ADDR_LEN]; 212 const size_t off = __offsetof(struct ieee80211req_sta_stats, is_stats); 213 int error; 214 215 if (ireq->i_len < off) 216 return EINVAL; 217 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 218 if (error != 0) 219 return error; 220 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 221 if (ni == NULL) 222 return ENOENT; 223 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 224 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 225 /* NB: copy out only the statistics */ 226 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off, 227 ireq->i_len - off); 228 ieee80211_free_node(ni); 229 return error; 230 } 231 232 struct scanreq { 233 struct ieee80211req_scan_result *sr; 234 size_t space; 235 }; 236 237 static size_t 238 scan_space(const struct ieee80211_scan_entry *se, int *ielen) 239 { 240 size_t len; 241 242 *ielen = se->se_ies.len; 243 /* 244 * NB: ie's can be no more than 255 bytes and the max 802.11 245 * packet is <3Kbytes so we are sure this doesn't overflow 246 * 16-bits; if this is a concern we can drop the ie's. 247 */ 248 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + 249 se->se_meshid[1] + *ielen; 250 return roundup(len, sizeof(uint32_t)); 251 } 252 253 static void 254 get_scan_space(void *arg, const struct ieee80211_scan_entry *se) 255 { 256 struct scanreq *req = arg; 257 int ielen; 258 259 req->space += scan_space(se, &ielen); 260 } 261 262 static void 263 get_scan_result(void *arg, const struct ieee80211_scan_entry *se) 264 { 265 struct scanreq *req = arg; 266 struct ieee80211req_scan_result *sr; 267 int ielen, len, nr, nxr; 268 uint8_t *cp; 269 270 len = scan_space(se, &ielen); 271 if (len > req->space) 272 return; 273 274 sr = req->sr; 275 KASSERT(len <= 65535 && ielen <= 65535, 276 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen)); 277 sr->isr_len = len; 278 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result); 279 sr->isr_ie_len = ielen; 280 sr->isr_freq = se->se_chan->ic_freq; 281 sr->isr_flags = se->se_chan->ic_flags; 282 sr->isr_rssi = se->se_rssi; 283 sr->isr_noise = se->se_noise; 284 sr->isr_intval = se->se_intval; 285 sr->isr_capinfo = se->se_capinfo; 286 sr->isr_erp = se->se_erp; 287 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid); 288 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE); 289 memcpy(sr->isr_rates, se->se_rates+2, nr); 290 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr); 291 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr); 292 sr->isr_nrates = nr + nxr; 293 294 /* copy SSID */ 295 sr->isr_ssid_len = se->se_ssid[1]; 296 cp = ((uint8_t *)sr) + sr->isr_ie_off; 297 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len); 298 299 /* copy mesh id */ 300 cp += sr->isr_ssid_len; 301 sr->isr_meshid_len = se->se_meshid[1]; 302 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len); 303 cp += sr->isr_meshid_len; 304 305 if (ielen) 306 memcpy(cp, se->se_ies.data, ielen); 307 308 req->space -= len; 309 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len); 310 } 311 312 static int 313 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap, 314 struct ieee80211req *ireq) 315 { 316 struct scanreq req; 317 int error; 318 319 if (ireq->i_len < sizeof(struct scanreq)) 320 return EFAULT; 321 322 error = 0; 323 req.space = 0; 324 ieee80211_scan_iterate(vap, get_scan_space, &req); 325 if (req.space > ireq->i_len) 326 req.space = ireq->i_len; 327 if (req.space > 0) { 328 uint32_t space; 329 void *p; 330 331 space = req.space; 332 /* XXX M_WAITOK after driver lock released */ 333 p = IEEE80211_MALLOC(space, M_TEMP, 334 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 335 if (p == NULL) 336 return ENOMEM; 337 req.sr = p; 338 ieee80211_scan_iterate(vap, get_scan_result, &req); 339 ireq->i_len = space - req.space; 340 error = copyout(p, ireq->i_data, ireq->i_len); 341 IEEE80211_FREE(p, M_TEMP); 342 } else 343 ireq->i_len = 0; 344 345 return error; 346 } 347 348 struct stainforeq { 349 struct ieee80211vap *vap; 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 (req->vap != ni->ni_vap) 369 return; 370 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP && 371 ni->ni_associd == 0) /* only associated stations */ 372 return; 373 req->space += sta_space(ni, &ielen); 374 } 375 376 static void 377 get_sta_info(void *arg, struct ieee80211_node *ni) 378 { 379 struct stainforeq *req = arg; 380 struct ieee80211vap *vap = ni->ni_vap; 381 struct ieee80211req_sta_info *si; 382 size_t ielen, len; 383 uint8_t *cp; 384 385 if (req->vap != ni->ni_vap) 386 return; 387 if (vap->iv_opmode == IEEE80211_M_HOSTAP && 388 ni->ni_associd == 0) /* only associated stations */ 389 return; 390 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 391 return; 392 len = sta_space(ni, &ielen); 393 if (len > req->space) 394 return; 395 si = req->si; 396 si->isi_len = len; 397 si->isi_ie_off = sizeof(struct ieee80211req_sta_info); 398 si->isi_ie_len = ielen; 399 si->isi_freq = ni->ni_chan->ic_freq; 400 si->isi_flags = ni->ni_chan->ic_flags; 401 si->isi_state = ni->ni_flags; 402 si->isi_authmode = ni->ni_authmode; 403 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise); 404 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo); 405 si->isi_capinfo = ni->ni_capinfo; 406 si->isi_erp = ni->ni_erp; 407 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 408 si->isi_nrates = ni->ni_rates.rs_nrates; 409 if (si->isi_nrates > 15) 410 si->isi_nrates = 15; 411 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 412 si->isi_txrate = ni->ni_txrate; 413 if (si->isi_txrate & IEEE80211_RATE_MCS) { 414 const struct ieee80211_mcs_rates *mcs = 415 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS]; 416 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) { 417 if (ni->ni_flags & IEEE80211_NODE_SGI40) 418 si->isi_txmbps = mcs->ht40_rate_800ns; 419 else 420 si->isi_txmbps = mcs->ht40_rate_400ns; 421 } else { 422 if (ni->ni_flags & IEEE80211_NODE_SGI20) 423 si->isi_txmbps = mcs->ht20_rate_800ns; 424 else 425 si->isi_txmbps = mcs->ht20_rate_400ns; 426 } 427 } else 428 si->isi_txmbps = si->isi_txrate; 429 si->isi_associd = ni->ni_associd; 430 si->isi_txpower = ni->ni_txpower; 431 si->isi_vlan = ni->ni_vlan; 432 if (ni->ni_flags & IEEE80211_NODE_QOS) { 433 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 434 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 435 } else { 436 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID]; 437 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID]; 438 } 439 /* NB: leave all cases in case we relax ni_associd == 0 check */ 440 if (ieee80211_node_is_authorized(ni)) 441 si->isi_inact = vap->iv_inact_run; 442 else if (ni->ni_associd != 0 || 443 (vap->iv_opmode == IEEE80211_M_WDS && 444 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY))) 445 si->isi_inact = vap->iv_inact_auth; 446 else 447 si->isi_inact = vap->iv_inact_init; 448 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 449 si->isi_localid = ni->ni_mllid; 450 si->isi_peerid = ni->ni_mlpid; 451 si->isi_peerstate = ni->ni_mlstate; 452 453 if (ielen) { 454 cp = ((uint8_t *)si) + si->isi_ie_off; 455 memcpy(cp, ni->ni_ies.data, ielen); 456 } 457 458 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len); 459 req->space -= len; 460 } 461 462 static int 463 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq, 464 struct ieee80211_node *ni, size_t off) 465 { 466 struct ieee80211com *ic = vap->iv_ic; 467 struct stainforeq req; 468 size_t space; 469 void *p; 470 int error; 471 472 error = 0; 473 req.space = 0; 474 req.vap = vap; 475 if (ni == NULL) 476 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req); 477 else 478 get_sta_space(&req, ni); 479 if (req.space > ireq->i_len) 480 req.space = ireq->i_len; 481 if (req.space > 0) { 482 space = req.space; 483 /* XXX M_WAITOK after driver lock released */ 484 p = IEEE80211_MALLOC(space, M_TEMP, 485 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 486 if (p == NULL) { 487 error = ENOMEM; 488 goto bad; 489 } 490 req.si = p; 491 if (ni == NULL) 492 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req); 493 else 494 get_sta_info(&req, ni); 495 ireq->i_len = space - req.space; 496 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len); 497 IEEE80211_FREE(p, M_TEMP); 498 } else 499 ireq->i_len = 0; 500 bad: 501 if (ni != NULL) 502 ieee80211_free_node(ni); 503 return error; 504 } 505 506 static int 507 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 508 { 509 uint8_t macaddr[IEEE80211_ADDR_LEN]; 510 const size_t off = __offsetof(struct ieee80211req_sta_req, info); 511 struct ieee80211_node *ni; 512 int error; 513 514 if (ireq->i_len < sizeof(struct ieee80211req_sta_req)) 515 return EFAULT; 516 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 517 if (error != 0) 518 return error; 519 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) { 520 ni = NULL; 521 } else { 522 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 523 if (ni == NULL) 524 return ENOENT; 525 } 526 return getstainfo_common(vap, ireq, ni, off); 527 } 528 529 static int 530 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 531 { 532 struct ieee80211_node *ni; 533 struct ieee80211req_sta_txpow txpow; 534 int error; 535 536 if (ireq->i_len != sizeof(txpow)) 537 return EINVAL; 538 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 539 if (error != 0) 540 return error; 541 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 542 if (ni == NULL) 543 return ENOENT; 544 txpow.it_txpow = ni->ni_txpower; 545 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 546 ieee80211_free_node(ni); 547 return error; 548 } 549 550 static int 551 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 552 { 553 struct ieee80211com *ic = vap->iv_ic; 554 struct ieee80211_wme_state *wme = &ic->ic_wme; 555 struct wmeParams *wmep; 556 int ac; 557 558 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 559 return EINVAL; 560 561 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 562 if (ac >= WME_NUM_AC) 563 ac = WME_AC_BE; 564 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 565 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 566 else 567 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 568 switch (ireq->i_type) { 569 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 570 ireq->i_val = wmep->wmep_logcwmin; 571 break; 572 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 573 ireq->i_val = wmep->wmep_logcwmax; 574 break; 575 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 576 ireq->i_val = wmep->wmep_aifsn; 577 break; 578 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 579 ireq->i_val = wmep->wmep_txopLimit; 580 break; 581 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 582 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 583 ireq->i_val = wmep->wmep_acm; 584 break; 585 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 586 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 587 ireq->i_val = !wmep->wmep_noackPolicy; 588 break; 589 } 590 return 0; 591 } 592 593 static int 594 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 595 { 596 const struct ieee80211_aclator *acl = vap->iv_acl; 597 598 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq)); 599 } 600 601 static int 602 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq) 603 { 604 struct ieee80211com *ic = vap->iv_ic; 605 struct ieee80211_channel *c; 606 607 if (ireq->i_len != sizeof(struct ieee80211_channel)) 608 return EINVAL; 609 /* 610 * vap's may have different operating channels when HT is 611 * in use. When in RUN state report the vap-specific channel. 612 * Otherwise return curchan. 613 */ 614 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 615 c = vap->iv_bss->ni_chan; 616 else 617 c = ic->ic_curchan; 618 return copyout(c, ireq->i_data, sizeof(*c)); 619 } 620 621 static int 622 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq) 623 { 624 if (aie == NULL) 625 return EINVAL; 626 /* NB: truncate, caller can check length */ 627 if (ireq->i_len > aie->ie_len) 628 ireq->i_len = aie->ie_len; 629 return copyout(aie->ie_data, ireq->i_data, ireq->i_len); 630 } 631 632 static int 633 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq) 634 { 635 uint8_t fc0; 636 637 fc0 = ireq->i_val & 0xff; 638 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 639 return EINVAL; 640 /* NB: could check iv_opmode and reject but hardly worth the effort */ 641 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 642 case IEEE80211_FC0_SUBTYPE_BEACON: 643 return getappie(vap->iv_appie_beacon, ireq); 644 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 645 return getappie(vap->iv_appie_proberesp, ireq); 646 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 647 return getappie(vap->iv_appie_assocresp, ireq); 648 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 649 return getappie(vap->iv_appie_probereq, ireq); 650 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 651 return getappie(vap->iv_appie_assocreq, ireq); 652 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP: 653 return getappie(vap->iv_appie_wpa, ireq); 654 } 655 return EINVAL; 656 } 657 658 static int 659 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap, 660 const struct ieee80211req *ireq) 661 { 662 struct ieee80211com *ic = vap->iv_ic; 663 664 if (ireq->i_len != sizeof(ic->ic_regdomain)) 665 return EINVAL; 666 return copyout(&ic->ic_regdomain, ireq->i_data, 667 sizeof(ic->ic_regdomain)); 668 } 669 670 static int 671 ieee80211_ioctl_getroam(struct ieee80211vap *vap, 672 const struct ieee80211req *ireq) 673 { 674 size_t len = ireq->i_len; 675 /* NB: accept short requests for backwards compat */ 676 if (len > sizeof(vap->iv_roamparms)) 677 len = sizeof(vap->iv_roamparms); 678 return copyout(vap->iv_roamparms, ireq->i_data, len); 679 } 680 681 static int 682 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap, 683 const struct ieee80211req *ireq) 684 { 685 size_t len = ireq->i_len; 686 /* NB: accept short requests for backwards compat */ 687 if (len > sizeof(vap->iv_txparms)) 688 len = sizeof(vap->iv_txparms); 689 return copyout(vap->iv_txparms, ireq->i_data, len); 690 } 691 692 static int 693 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic, 694 const struct ieee80211req *ireq) 695 { 696 struct ieee80211_devcaps_req *dc; 697 struct ieee80211req_chaninfo *ci; 698 int maxchans, error; 699 700 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) / 701 sizeof(struct ieee80211_channel)); 702 /* NB: require 1 so we know ic_nchans is accessible */ 703 if (maxchans < 1) 704 return EINVAL; 705 /* constrain max request size, 2K channels is ~24Kbytes */ 706 if (maxchans > 2048) 707 maxchans = 2048; 708 dc = (struct ieee80211_devcaps_req *) 709 IEEE80211_MALLOC(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, 710 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 711 if (dc == NULL) 712 return ENOMEM; 713 dc->dc_drivercaps = ic->ic_caps; 714 dc->dc_cryptocaps = ic->ic_cryptocaps; 715 dc->dc_htcaps = ic->ic_htcaps; 716 ci = &dc->dc_chaninfo; 717 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans); 718 KASSERT(ci->ic_nchans <= maxchans, 719 ("nchans %d maxchans %d", ci->ic_nchans, maxchans)); 720 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans); 721 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc)); 722 IEEE80211_FREE(dc, M_TEMP); 723 return error; 724 } 725 726 static int 727 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 728 { 729 struct ieee80211_node *ni; 730 struct ieee80211req_sta_vlan vlan; 731 int error; 732 733 if (ireq->i_len != sizeof(vlan)) 734 return EINVAL; 735 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 736 if (error != 0) 737 return error; 738 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 739 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 740 vlan.sv_macaddr); 741 if (ni == NULL) 742 return ENOENT; 743 } else 744 ni = ieee80211_ref_node(vap->iv_bss); 745 vlan.sv_vlan = ni->ni_vlan; 746 error = copyout(&vlan, ireq->i_data, sizeof(vlan)); 747 ieee80211_free_node(ni); 748 return error; 749 } 750 751 /* 752 * Dummy ioctl get handler so the linker set is defined. 753 */ 754 static int 755 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq) 756 { 757 return ENOSYS; 758 } 759 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get); 760 761 static int 762 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 763 { 764 ieee80211_ioctl_getfunc * const *get; 765 int error; 766 767 SET_FOREACH(get, ieee80211_ioctl_getset) { 768 error = (*get)(vap, ireq); 769 if (error != ENOSYS) 770 return error; 771 } 772 return EINVAL; 773 } 774 775 static int 776 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd, 777 struct ieee80211req *ireq) 778 { 779 #define MS(_v, _f) (((_v) & _f) >> _f##_S) 780 struct ieee80211com *ic = vap->iv_ic; 781 u_int kid, len; 782 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 783 char tmpssid[IEEE80211_NWID_LEN]; 784 int error = 0; 785 786 switch (ireq->i_type) { 787 case IEEE80211_IOC_SSID: 788 switch (vap->iv_state) { 789 case IEEE80211_S_INIT: 790 case IEEE80211_S_SCAN: 791 ireq->i_len = vap->iv_des_ssid[0].len; 792 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); 793 break; 794 default: 795 ireq->i_len = vap->iv_bss->ni_esslen; 796 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); 797 break; 798 } 799 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 800 break; 801 case IEEE80211_IOC_NUMSSIDS: 802 ireq->i_val = 1; 803 break; 804 case IEEE80211_IOC_WEP: 805 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 806 ireq->i_val = IEEE80211_WEP_OFF; 807 else if (vap->iv_flags & IEEE80211_F_DROPUNENC) 808 ireq->i_val = IEEE80211_WEP_ON; 809 else 810 ireq->i_val = IEEE80211_WEP_MIXED; 811 break; 812 case IEEE80211_IOC_WEPKEY: 813 kid = (u_int) ireq->i_val; 814 if (kid >= IEEE80211_WEP_NKID) 815 return EINVAL; 816 len = (u_int) vap->iv_nw_keys[kid].wk_keylen; 817 /* NB: only root can read WEP keys */ 818 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 819 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); 820 } else { 821 bzero(tmpkey, len); 822 } 823 ireq->i_len = len; 824 error = copyout(tmpkey, ireq->i_data, len); 825 break; 826 case IEEE80211_IOC_NUMWEPKEYS: 827 ireq->i_val = IEEE80211_WEP_NKID; 828 break; 829 case IEEE80211_IOC_WEPTXKEY: 830 ireq->i_val = vap->iv_def_txkey; 831 break; 832 case IEEE80211_IOC_AUTHMODE: 833 if (vap->iv_flags & IEEE80211_F_WPA) 834 ireq->i_val = IEEE80211_AUTH_WPA; 835 else 836 ireq->i_val = vap->iv_bss->ni_authmode; 837 break; 838 case IEEE80211_IOC_CHANNEL: 839 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 840 break; 841 case IEEE80211_IOC_POWERSAVE: 842 if (vap->iv_flags & IEEE80211_F_PMGTON) 843 ireq->i_val = IEEE80211_POWERSAVE_ON; 844 else 845 ireq->i_val = IEEE80211_POWERSAVE_OFF; 846 break; 847 case IEEE80211_IOC_POWERSAVESLEEP: 848 ireq->i_val = ic->ic_lintval; 849 break; 850 case IEEE80211_IOC_RTSTHRESHOLD: 851 ireq->i_val = vap->iv_rtsthreshold; 852 break; 853 case IEEE80211_IOC_PROTMODE: 854 ireq->i_val = ic->ic_protmode; 855 break; 856 case IEEE80211_IOC_TXPOWER: 857 /* 858 * Tx power limit is the min of max regulatory 859 * power, any user-set limit, and the max the 860 * radio can do. 861 */ 862 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; 863 if (ireq->i_val > ic->ic_txpowlimit) 864 ireq->i_val = ic->ic_txpowlimit; 865 if (ireq->i_val > ic->ic_curchan->ic_maxpower) 866 ireq->i_val = ic->ic_curchan->ic_maxpower; 867 break; 868 case IEEE80211_IOC_WPA: 869 switch (vap->iv_flags & IEEE80211_F_WPA) { 870 case IEEE80211_F_WPA1: 871 ireq->i_val = 1; 872 break; 873 case IEEE80211_F_WPA2: 874 ireq->i_val = 2; 875 break; 876 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 877 ireq->i_val = 3; 878 break; 879 default: 880 ireq->i_val = 0; 881 break; 882 } 883 break; 884 case IEEE80211_IOC_CHANLIST: 885 error = ieee80211_ioctl_getchanlist(vap, ireq); 886 break; 887 case IEEE80211_IOC_ROAMING: 888 ireq->i_val = vap->iv_roaming; 889 break; 890 case IEEE80211_IOC_PRIVACY: 891 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; 892 break; 893 case IEEE80211_IOC_DROPUNENCRYPTED: 894 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; 895 break; 896 case IEEE80211_IOC_COUNTERMEASURES: 897 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; 898 break; 899 case IEEE80211_IOC_WME: 900 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; 901 break; 902 case IEEE80211_IOC_HIDESSID: 903 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; 904 break; 905 case IEEE80211_IOC_APBRIDGE: 906 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; 907 break; 908 case IEEE80211_IOC_WPAKEY: 909 error = ieee80211_ioctl_getkey(vap, ireq); 910 break; 911 case IEEE80211_IOC_CHANINFO: 912 error = ieee80211_ioctl_getchaninfo(vap, ireq); 913 break; 914 case IEEE80211_IOC_BSSID: 915 if (ireq->i_len != IEEE80211_ADDR_LEN) 916 return EINVAL; 917 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) { 918 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ? 919 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid, 920 ireq->i_data, ireq->i_len); 921 } else 922 error = copyout(vap->iv_des_bssid, ireq->i_data, 923 ireq->i_len); 924 break; 925 case IEEE80211_IOC_WPAIE: 926 case IEEE80211_IOC_WPAIE2: 927 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 928 break; 929 case IEEE80211_IOC_SCAN_RESULTS: 930 error = ieee80211_ioctl_getscanresults(vap, ireq); 931 break; 932 case IEEE80211_IOC_STA_STATS: 933 error = ieee80211_ioctl_getstastats(vap, ireq); 934 break; 935 case IEEE80211_IOC_TXPOWMAX: 936 ireq->i_val = vap->iv_bss->ni_txpower; 937 break; 938 case IEEE80211_IOC_STA_TXPOW: 939 error = ieee80211_ioctl_getstatxpow(vap, ireq); 940 break; 941 case IEEE80211_IOC_STA_INFO: 942 error = ieee80211_ioctl_getstainfo(vap, ireq); 943 break; 944 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 945 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 946 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 947 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 948 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 949 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 950 error = ieee80211_ioctl_getwmeparam(vap, ireq); 951 break; 952 case IEEE80211_IOC_DTIM_PERIOD: 953 ireq->i_val = vap->iv_dtim_period; 954 break; 955 case IEEE80211_IOC_BEACON_INTERVAL: 956 /* NB: get from ic_bss for station mode */ 957 ireq->i_val = vap->iv_bss->ni_intval; 958 break; 959 case IEEE80211_IOC_PUREG: 960 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; 961 break; 962 case IEEE80211_IOC_QUIET: 963 ireq->i_val = vap->iv_quiet; 964 break; 965 case IEEE80211_IOC_QUIET_COUNT: 966 ireq->i_val = vap->iv_quiet_count; 967 break; 968 case IEEE80211_IOC_QUIET_PERIOD: 969 ireq->i_val = vap->iv_quiet_period; 970 break; 971 case IEEE80211_IOC_QUIET_DUR: 972 ireq->i_val = vap->iv_quiet_duration; 973 break; 974 case IEEE80211_IOC_QUIET_OFFSET: 975 ireq->i_val = vap->iv_quiet_offset; 976 break; 977 case IEEE80211_IOC_BGSCAN: 978 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 979 break; 980 case IEEE80211_IOC_BGSCAN_IDLE: 981 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 982 break; 983 case IEEE80211_IOC_BGSCAN_INTERVAL: 984 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 985 break; 986 case IEEE80211_IOC_SCANVALID: 987 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 988 break; 989 case IEEE80211_IOC_FRAGTHRESHOLD: 990 ireq->i_val = vap->iv_fragthreshold; 991 break; 992 case IEEE80211_IOC_MACCMD: 993 error = ieee80211_ioctl_getmaccmd(vap, ireq); 994 break; 995 case IEEE80211_IOC_BURST: 996 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 997 break; 998 case IEEE80211_IOC_BMISSTHRESHOLD: 999 ireq->i_val = vap->iv_bmissthreshold; 1000 break; 1001 case IEEE80211_IOC_CURCHAN: 1002 error = ieee80211_ioctl_getcurchan(vap, ireq); 1003 break; 1004 case IEEE80211_IOC_SHORTGI: 1005 ireq->i_val = 0; 1006 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) 1007 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 1008 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) 1009 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 1010 break; 1011 case IEEE80211_IOC_AMPDU: 1012 ireq->i_val = 0; 1013 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) 1014 ireq->i_val |= 1; 1015 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) 1016 ireq->i_val |= 2; 1017 break; 1018 case IEEE80211_IOC_AMPDU_LIMIT: 1019 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1020 ireq->i_val = vap->iv_ampdu_rxmax; 1021 else if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 1022 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1023 IEEE80211_HTCAP_MAXRXAMPDU); 1024 else 1025 ireq->i_val = vap->iv_ampdu_limit; 1026 break; 1027 case IEEE80211_IOC_AMPDU_DENSITY: 1028 if (vap->iv_opmode == IEEE80211_M_STA && 1029 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1030 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1031 IEEE80211_HTCAP_MPDUDENSITY); 1032 else 1033 ireq->i_val = vap->iv_ampdu_density; 1034 break; 1035 case IEEE80211_IOC_AMSDU: 1036 ireq->i_val = 0; 1037 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) 1038 ireq->i_val |= 1; 1039 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) 1040 ireq->i_val |= 2; 1041 break; 1042 case IEEE80211_IOC_AMSDU_LIMIT: 1043 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1044 break; 1045 case IEEE80211_IOC_PUREN: 1046 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; 1047 break; 1048 case IEEE80211_IOC_DOTH: 1049 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1050 break; 1051 case IEEE80211_IOC_REGDOMAIN: 1052 error = ieee80211_ioctl_getregdomain(vap, ireq); 1053 break; 1054 case IEEE80211_IOC_ROAM: 1055 error = ieee80211_ioctl_getroam(vap, ireq); 1056 break; 1057 case IEEE80211_IOC_TXPARAMS: 1058 error = ieee80211_ioctl_gettxparams(vap, ireq); 1059 break; 1060 case IEEE80211_IOC_HTCOMPAT: 1061 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; 1062 break; 1063 case IEEE80211_IOC_DWDS: 1064 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1065 break; 1066 case IEEE80211_IOC_INACTIVITY: 1067 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1068 break; 1069 case IEEE80211_IOC_APPIE: 1070 error = ieee80211_ioctl_getappie(vap, ireq); 1071 break; 1072 case IEEE80211_IOC_WPS: 1073 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1074 break; 1075 case IEEE80211_IOC_TSN: 1076 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1077 break; 1078 case IEEE80211_IOC_DFS: 1079 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1080 break; 1081 case IEEE80211_IOC_DOTD: 1082 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1083 break; 1084 case IEEE80211_IOC_DEVCAPS: 1085 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1086 break; 1087 case IEEE80211_IOC_HTPROTMODE: 1088 ireq->i_val = ic->ic_htprotmode; 1089 break; 1090 case IEEE80211_IOC_HTCONF: 1091 if (vap->iv_flags_ht & IEEE80211_FHT_HT) { 1092 ireq->i_val = 1; 1093 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) 1094 ireq->i_val |= 2; 1095 } else 1096 ireq->i_val = 0; 1097 break; 1098 case IEEE80211_IOC_STA_VLAN: 1099 error = ieee80211_ioctl_getstavlan(vap, ireq); 1100 break; 1101 case IEEE80211_IOC_SMPS: 1102 if (vap->iv_opmode == IEEE80211_M_STA && 1103 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) { 1104 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1105 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1106 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1107 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1108 else 1109 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1110 } else 1111 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1112 break; 1113 case IEEE80211_IOC_RIFS: 1114 if (vap->iv_opmode == IEEE80211_M_STA && 1115 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1116 ireq->i_val = 1117 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1118 else 1119 ireq->i_val = 1120 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; 1121 break; 1122 default: 1123 error = ieee80211_ioctl_getdefault(vap, ireq); 1124 break; 1125 } 1126 return error; 1127 #undef MS 1128 } 1129 1130 static int 1131 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1132 { 1133 struct ieee80211req_key ik; 1134 struct ieee80211_node *ni; 1135 struct ieee80211_key *wk; 1136 uint16_t kid; 1137 int error, i; 1138 1139 if (ireq->i_len != sizeof(ik)) 1140 return EINVAL; 1141 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1142 if (error) 1143 return error; 1144 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1145 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1146 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1147 return E2BIG; 1148 kid = ik.ik_keyix; 1149 if (kid == IEEE80211_KEYIX_NONE) { 1150 /* XXX unicast keys currently must be tx/rx */ 1151 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1152 return EINVAL; 1153 if (vap->iv_opmode == IEEE80211_M_STA) { 1154 ni = ieee80211_ref_node(vap->iv_bss); 1155 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1156 ieee80211_free_node(ni); 1157 return EADDRNOTAVAIL; 1158 } 1159 } else { 1160 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1161 ik.ik_macaddr); 1162 if (ni == NULL) 1163 return ENOENT; 1164 } 1165 wk = &ni->ni_ucastkey; 1166 } else { 1167 if (kid >= IEEE80211_WEP_NKID) 1168 return EINVAL; 1169 wk = &vap->iv_nw_keys[kid]; 1170 /* 1171 * Global slots start off w/o any assigned key index. 1172 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1173 */ 1174 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1175 wk->wk_keyix = kid; 1176 ni = NULL; 1177 } 1178 error = 0; 1179 ieee80211_key_update_begin(vap); 1180 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1181 wk->wk_keylen = ik.ik_keylen; 1182 /* NB: MIC presence is implied by cipher type */ 1183 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1184 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1185 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1186 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1187 wk->wk_keytsc = 0; /* new key, reset */ 1188 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1189 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1190 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1191 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1192 if (!ieee80211_crypto_setkey(vap, wk)) 1193 error = EIO; 1194 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1195 vap->iv_def_txkey = kid; 1196 } else 1197 error = ENXIO; 1198 ieee80211_key_update_end(vap); 1199 if (ni != NULL) 1200 ieee80211_free_node(ni); 1201 return error; 1202 } 1203 1204 static int 1205 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1206 { 1207 struct ieee80211req_del_key dk; 1208 int kid, error; 1209 1210 if (ireq->i_len != sizeof(dk)) 1211 return EINVAL; 1212 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1213 if (error) 1214 return error; 1215 kid = dk.idk_keyix; 1216 /* XXX uint8_t -> uint16_t */ 1217 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1218 struct ieee80211_node *ni; 1219 1220 if (vap->iv_opmode == IEEE80211_M_STA) { 1221 ni = ieee80211_ref_node(vap->iv_bss); 1222 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1223 ieee80211_free_node(ni); 1224 return EADDRNOTAVAIL; 1225 } 1226 } else { 1227 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1228 dk.idk_macaddr); 1229 if (ni == NULL) 1230 return ENOENT; 1231 } 1232 /* XXX error return */ 1233 ieee80211_node_delucastkey(ni); 1234 ieee80211_free_node(ni); 1235 } else { 1236 if (kid >= IEEE80211_WEP_NKID) 1237 return EINVAL; 1238 /* XXX error return */ 1239 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1240 } 1241 return 0; 1242 } 1243 1244 struct mlmeop { 1245 struct ieee80211vap *vap; 1246 int op; 1247 int reason; 1248 }; 1249 1250 static void 1251 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1252 int op, int reason) 1253 { 1254 #ifdef IEEE80211_DEBUG 1255 static const struct { 1256 int mask; 1257 const char *opstr; 1258 } ops[] = { 1259 { 0, "op#0" }, 1260 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1261 IEEE80211_MSG_ASSOC, "assoc" }, 1262 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1263 IEEE80211_MSG_ASSOC, "disassoc" }, 1264 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1265 IEEE80211_MSG_AUTH, "deauth" }, 1266 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1267 IEEE80211_MSG_AUTH, "authorize" }, 1268 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1269 IEEE80211_MSG_AUTH, "unauthorize" }, 1270 }; 1271 1272 if (op == IEEE80211_MLME_AUTH) { 1273 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1274 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1275 "station authenticate %s via MLME (reason %d)", 1276 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1277 reason); 1278 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1279 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1280 "unknown MLME request %d (reason %d)", op, reason); 1281 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1282 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1283 "station %s via MLME", ops[op].opstr); 1284 } else { 1285 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1286 "station %s via MLME (reason %d)", ops[op].opstr, reason); 1287 } 1288 #endif /* IEEE80211_DEBUG */ 1289 } 1290 1291 static void 1292 domlme(void *arg, struct ieee80211_node *ni) 1293 { 1294 struct mlmeop *mop = arg; 1295 struct ieee80211vap *vap = ni->ni_vap; 1296 1297 if (vap != mop->vap) 1298 return; 1299 /* 1300 * NB: if ni_associd is zero then the node is already cleaned 1301 * up and we don't need to do this (we're safely holding a 1302 * reference but should otherwise not modify it's state). 1303 */ 1304 if (ni->ni_associd == 0) 1305 return; 1306 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1307 if (mop->op == IEEE80211_MLME_DEAUTH) { 1308 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1309 mop->reason); 1310 } else { 1311 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1312 mop->reason); 1313 } 1314 ieee80211_node_leave(ni); 1315 } 1316 1317 static int 1318 setmlme_dropsta(struct ieee80211vap *vap, 1319 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1320 { 1321 struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta; 1322 struct ieee80211_node *ni; 1323 int error = 0; 1324 1325 /* NB: the broadcast address means do 'em all */ 1326 if (!IEEE80211_ADDR_EQ(mac, vap->iv_ifp->if_broadcastaddr)) { 1327 IEEE80211_NODE_LOCK(nt); 1328 ni = ieee80211_find_node_locked(nt, mac); 1329 IEEE80211_NODE_UNLOCK(nt); 1330 /* 1331 * Don't do the node update inside the node 1332 * table lock. This unfortunately causes LORs 1333 * with drivers and their TX paths. 1334 */ 1335 if (ni != NULL) { 1336 domlme(mlmeop, ni); 1337 ieee80211_free_node(ni); 1338 } else 1339 error = ENOENT; 1340 } else { 1341 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1342 } 1343 return error; 1344 } 1345 1346 static int 1347 setmlme_common(struct ieee80211vap *vap, int op, 1348 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1349 { 1350 struct ieee80211com *ic = vap->iv_ic; 1351 struct ieee80211_node_table *nt = &ic->ic_sta; 1352 struct ieee80211_node *ni; 1353 struct mlmeop mlmeop; 1354 int error; 1355 1356 error = 0; 1357 switch (op) { 1358 case IEEE80211_MLME_DISASSOC: 1359 case IEEE80211_MLME_DEAUTH: 1360 switch (vap->iv_opmode) { 1361 case IEEE80211_M_STA: 1362 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1363 /* XXX not quite right */ 1364 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1365 break; 1366 case IEEE80211_M_HOSTAP: 1367 mlmeop.vap = vap; 1368 mlmeop.op = op; 1369 mlmeop.reason = reason; 1370 error = setmlme_dropsta(vap, mac, &mlmeop); 1371 break; 1372 case IEEE80211_M_WDS: 1373 /* XXX user app should send raw frame? */ 1374 if (op != IEEE80211_MLME_DEAUTH) { 1375 error = EINVAL; 1376 break; 1377 } 1378 #if 0 1379 /* XXX accept any address, simplifies user code */ 1380 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1381 error = EINVAL; 1382 break; 1383 } 1384 #endif 1385 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1386 ni = ieee80211_ref_node(vap->iv_bss); 1387 IEEE80211_SEND_MGMT(ni, 1388 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1389 ieee80211_free_node(ni); 1390 break; 1391 case IEEE80211_M_MBSS: 1392 IEEE80211_NODE_LOCK(nt); 1393 ni = ieee80211_find_node_locked(nt, mac); 1394 /* 1395 * Don't do the node update inside the node 1396 * table lock. This unfortunately causes LORs 1397 * with drivers and their TX paths. 1398 */ 1399 IEEE80211_NODE_UNLOCK(nt); 1400 if (ni != NULL) { 1401 ieee80211_node_leave(ni); 1402 ieee80211_free_node(ni); 1403 } else { 1404 error = ENOENT; 1405 } 1406 break; 1407 default: 1408 error = EINVAL; 1409 break; 1410 } 1411 break; 1412 case IEEE80211_MLME_AUTHORIZE: 1413 case IEEE80211_MLME_UNAUTHORIZE: 1414 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1415 vap->iv_opmode != IEEE80211_M_WDS) { 1416 error = EINVAL; 1417 break; 1418 } 1419 IEEE80211_NODE_LOCK(nt); 1420 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1421 /* 1422 * Don't do the node update inside the node 1423 * table lock. This unfortunately causes LORs 1424 * with drivers and their TX paths. 1425 */ 1426 IEEE80211_NODE_UNLOCK(nt); 1427 if (ni != NULL) { 1428 mlmedebug(vap, mac, op, reason); 1429 if (op == IEEE80211_MLME_AUTHORIZE) 1430 ieee80211_node_authorize(ni); 1431 else 1432 ieee80211_node_unauthorize(ni); 1433 ieee80211_free_node(ni); 1434 } else 1435 error = ENOENT; 1436 break; 1437 case IEEE80211_MLME_AUTH: 1438 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1439 error = EINVAL; 1440 break; 1441 } 1442 IEEE80211_NODE_LOCK(nt); 1443 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1444 /* 1445 * Don't do the node update inside the node 1446 * table lock. This unfortunately causes LORs 1447 * with drivers and their TX paths. 1448 */ 1449 IEEE80211_NODE_UNLOCK(nt); 1450 if (ni != NULL) { 1451 mlmedebug(vap, mac, op, reason); 1452 if (reason == IEEE80211_STATUS_SUCCESS) { 1453 IEEE80211_SEND_MGMT(ni, 1454 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1455 /* 1456 * For shared key auth, just continue the 1457 * exchange. Otherwise when 802.1x is not in 1458 * use mark the port authorized at this point 1459 * so traffic can flow. 1460 */ 1461 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1462 ni->ni_challenge == NULL) 1463 ieee80211_node_authorize(ni); 1464 } else { 1465 vap->iv_stats.is_rx_acl++; 1466 ieee80211_send_error(ni, ni->ni_macaddr, 1467 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1468 ieee80211_node_leave(ni); 1469 } 1470 ieee80211_free_node(ni); 1471 } else 1472 error = ENOENT; 1473 break; 1474 default: 1475 error = EINVAL; 1476 break; 1477 } 1478 return error; 1479 } 1480 1481 struct scanlookup { 1482 const uint8_t *mac; 1483 int esslen; 1484 const uint8_t *essid; 1485 const struct ieee80211_scan_entry *se; 1486 }; 1487 1488 /* 1489 * Match mac address and any ssid. 1490 */ 1491 static void 1492 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1493 { 1494 struct scanlookup *look = arg; 1495 1496 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1497 return; 1498 if (look->esslen != 0) { 1499 if (se->se_ssid[1] != look->esslen) 1500 return; 1501 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1502 return; 1503 } 1504 look->se = se; 1505 } 1506 1507 static int 1508 setmlme_assoc_sta(struct ieee80211vap *vap, 1509 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1510 const uint8_t ssid[IEEE80211_NWID_LEN]) 1511 { 1512 struct scanlookup lookup; 1513 1514 KASSERT(vap->iv_opmode == IEEE80211_M_STA, 1515 ("expected opmode STA not %s", 1516 ieee80211_opmode_name[vap->iv_opmode])); 1517 1518 /* NB: this is racey if roaming is !manual */ 1519 lookup.se = NULL; 1520 lookup.mac = mac; 1521 lookup.esslen = ssid_len; 1522 lookup.essid = ssid; 1523 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1524 if (lookup.se == NULL) 1525 return ENOENT; 1526 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1527 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1528 return EIO; /* XXX unique but could be better */ 1529 return 0; 1530 } 1531 1532 static int 1533 setmlme_assoc_adhoc(struct ieee80211vap *vap, 1534 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1535 const uint8_t ssid[IEEE80211_NWID_LEN]) 1536 { 1537 struct ieee80211_scan_req *sr; 1538 int error; 1539 1540 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS || 1541 vap->iv_opmode == IEEE80211_M_AHDEMO, 1542 ("expected opmode IBSS or AHDEMO not %s", 1543 ieee80211_opmode_name[vap->iv_opmode])); 1544 1545 if (ssid_len == 0) 1546 return EINVAL; 1547 1548 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 1549 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1550 if (sr == NULL) 1551 return ENOMEM; 1552 1553 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */ 1554 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 1555 vap->iv_des_ssid[0].len = ssid_len; 1556 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len); 1557 vap->iv_des_nssid = 1; 1558 1559 sr->sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE; 1560 sr->sr_duration = IEEE80211_IOC_SCAN_FOREVER; 1561 memcpy(sr->sr_ssid[0].ssid, ssid, ssid_len); 1562 sr->sr_ssid[0].len = ssid_len; 1563 sr->sr_nssid = 1; 1564 1565 error = ieee80211_scanreq(vap, sr); 1566 1567 IEEE80211_FREE(sr, M_TEMP); 1568 return error; 1569 } 1570 1571 static int 1572 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1573 { 1574 struct ieee80211req_mlme mlme; 1575 int error; 1576 1577 if (ireq->i_len != sizeof(mlme)) 1578 return EINVAL; 1579 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1580 if (error) 1581 return error; 1582 if (vap->iv_opmode == IEEE80211_M_STA && 1583 mlme.im_op == IEEE80211_MLME_ASSOC) 1584 return setmlme_assoc_sta(vap, mlme.im_macaddr, 1585 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1586 else if ((vap->iv_opmode == IEEE80211_M_IBSS || 1587 vap->iv_opmode == IEEE80211_M_AHDEMO) && 1588 mlme.im_op == IEEE80211_MLME_ASSOC) 1589 return setmlme_assoc_adhoc(vap, mlme.im_macaddr, 1590 mlme.im_ssid_len, mlme.im_ssid); 1591 else 1592 return setmlme_common(vap, mlme.im_op, 1593 mlme.im_macaddr, mlme.im_reason); 1594 } 1595 1596 static int 1597 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1598 { 1599 uint8_t mac[IEEE80211_ADDR_LEN]; 1600 const struct ieee80211_aclator *acl = vap->iv_acl; 1601 int error; 1602 1603 if (ireq->i_len != sizeof(mac)) 1604 return EINVAL; 1605 error = copyin(ireq->i_data, mac, ireq->i_len); 1606 if (error) 1607 return error; 1608 if (acl == NULL) { 1609 acl = ieee80211_aclator_get("mac"); 1610 if (acl == NULL || !acl->iac_attach(vap)) 1611 return EINVAL; 1612 vap->iv_acl = acl; 1613 } 1614 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1615 acl->iac_add(vap, mac); 1616 else 1617 acl->iac_remove(vap, mac); 1618 return 0; 1619 } 1620 1621 static int 1622 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1623 { 1624 const struct ieee80211_aclator *acl = vap->iv_acl; 1625 1626 switch (ireq->i_val) { 1627 case IEEE80211_MACCMD_POLICY_OPEN: 1628 case IEEE80211_MACCMD_POLICY_ALLOW: 1629 case IEEE80211_MACCMD_POLICY_DENY: 1630 case IEEE80211_MACCMD_POLICY_RADIUS: 1631 if (acl == NULL) { 1632 acl = ieee80211_aclator_get("mac"); 1633 if (acl == NULL || !acl->iac_attach(vap)) 1634 return EINVAL; 1635 vap->iv_acl = acl; 1636 } 1637 acl->iac_setpolicy(vap, ireq->i_val); 1638 break; 1639 case IEEE80211_MACCMD_FLUSH: 1640 if (acl != NULL) 1641 acl->iac_flush(vap); 1642 /* NB: silently ignore when not in use */ 1643 break; 1644 case IEEE80211_MACCMD_DETACH: 1645 if (acl != NULL) { 1646 vap->iv_acl = NULL; 1647 acl->iac_detach(vap); 1648 } 1649 break; 1650 default: 1651 if (acl == NULL) 1652 return EINVAL; 1653 else 1654 return acl->iac_setioctl(vap, ireq); 1655 } 1656 return 0; 1657 } 1658 1659 static int 1660 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1661 { 1662 struct ieee80211com *ic = vap->iv_ic; 1663 uint8_t *chanlist, *list; 1664 int i, nchan, maxchan, error; 1665 1666 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1667 ireq->i_len = sizeof(ic->ic_chan_active); 1668 list = IEEE80211_MALLOC(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1669 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1670 if (list == NULL) 1671 return ENOMEM; 1672 error = copyin(ireq->i_data, list, ireq->i_len); 1673 if (error) { 1674 IEEE80211_FREE(list, M_TEMP); 1675 return error; 1676 } 1677 nchan = 0; 1678 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1679 maxchan = ireq->i_len * NBBY; 1680 for (i = 0; i < ic->ic_nchans; i++) { 1681 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1682 /* 1683 * Calculate the intersection of the user list and the 1684 * available channels so users can do things like specify 1685 * 1-255 to get all available channels. 1686 */ 1687 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1688 setbit(chanlist, c->ic_ieee); 1689 nchan++; 1690 } 1691 } 1692 if (nchan == 0) { 1693 IEEE80211_FREE(list, M_TEMP); 1694 return EINVAL; 1695 } 1696 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1697 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1698 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1699 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1700 ieee80211_scan_flush(vap); 1701 IEEE80211_FREE(list, M_TEMP); 1702 return ENETRESET; 1703 } 1704 1705 static int 1706 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1707 { 1708 struct ieee80211_node *ni; 1709 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1710 int error; 1711 1712 /* 1713 * NB: we could copyin ieee80211req_sta_stats so apps 1714 * could make selective changes but that's overkill; 1715 * just clear all stats for now. 1716 */ 1717 if (ireq->i_len < IEEE80211_ADDR_LEN) 1718 return EINVAL; 1719 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1720 if (error != 0) 1721 return error; 1722 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1723 if (ni == NULL) 1724 return ENOENT; 1725 /* XXX require ni_vap == vap? */ 1726 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1727 ieee80211_free_node(ni); 1728 return 0; 1729 } 1730 1731 static int 1732 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1733 { 1734 struct ieee80211_node *ni; 1735 struct ieee80211req_sta_txpow txpow; 1736 int error; 1737 1738 if (ireq->i_len != sizeof(txpow)) 1739 return EINVAL; 1740 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1741 if (error != 0) 1742 return error; 1743 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1744 if (ni == NULL) 1745 return ENOENT; 1746 ni->ni_txpower = txpow.it_txpow; 1747 ieee80211_free_node(ni); 1748 return error; 1749 } 1750 1751 static int 1752 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1753 { 1754 struct ieee80211com *ic = vap->iv_ic; 1755 struct ieee80211_wme_state *wme = &ic->ic_wme; 1756 struct wmeParams *wmep, *chanp; 1757 int isbss, ac, aggrmode; 1758 1759 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1760 return EOPNOTSUPP; 1761 1762 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1763 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1764 aggrmode = (wme->wme_flags & WME_F_AGGRMODE); 1765 if (ac >= WME_NUM_AC) 1766 ac = WME_AC_BE; 1767 if (isbss) { 1768 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1769 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1770 } else { 1771 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1772 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1773 } 1774 switch (ireq->i_type) { 1775 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1776 wmep->wmep_logcwmin = ireq->i_val; 1777 if (!isbss || !aggrmode) 1778 chanp->wmep_logcwmin = ireq->i_val; 1779 break; 1780 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1781 wmep->wmep_logcwmax = ireq->i_val; 1782 if (!isbss || !aggrmode) 1783 chanp->wmep_logcwmax = ireq->i_val; 1784 break; 1785 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1786 wmep->wmep_aifsn = ireq->i_val; 1787 if (!isbss || !aggrmode) 1788 chanp->wmep_aifsn = ireq->i_val; 1789 break; 1790 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1791 wmep->wmep_txopLimit = ireq->i_val; 1792 if (!isbss || !aggrmode) 1793 chanp->wmep_txopLimit = ireq->i_val; 1794 break; 1795 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1796 wmep->wmep_acm = ireq->i_val; 1797 if (!aggrmode) 1798 chanp->wmep_acm = ireq->i_val; 1799 break; 1800 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1801 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1802 (ireq->i_val) == 0; 1803 break; 1804 } 1805 ieee80211_wme_updateparams(vap); 1806 return 0; 1807 } 1808 1809 static int 1810 find11gchannel(struct ieee80211com *ic, int start, int freq) 1811 { 1812 const struct ieee80211_channel *c; 1813 int i; 1814 1815 for (i = start+1; i < ic->ic_nchans; i++) { 1816 c = &ic->ic_channels[i]; 1817 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1818 return 1; 1819 } 1820 /* NB: should not be needed but in case things are mis-sorted */ 1821 for (i = 0; i < start; i++) { 1822 c = &ic->ic_channels[i]; 1823 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1824 return 1; 1825 } 1826 return 0; 1827 } 1828 1829 static struct ieee80211_channel * 1830 findchannel(struct ieee80211com *ic, int ieee, int mode) 1831 { 1832 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1833 [IEEE80211_MODE_AUTO] = 0, 1834 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1835 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1836 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1837 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1838 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1839 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1840 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1841 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1842 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1843 /* NB: handled specially below */ 1844 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1845 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1846 }; 1847 u_int modeflags; 1848 int i; 1849 1850 modeflags = chanflags[mode]; 1851 for (i = 0; i < ic->ic_nchans; i++) { 1852 struct ieee80211_channel *c = &ic->ic_channels[i]; 1853 1854 if (c->ic_ieee != ieee) 1855 continue; 1856 if (mode == IEEE80211_MODE_AUTO) { 1857 /* ignore turbo channels for autoselect */ 1858 if (IEEE80211_IS_CHAN_TURBO(c)) 1859 continue; 1860 /* 1861 * XXX special-case 11b/g channels so we 1862 * always select the g channel if both 1863 * are present. 1864 * XXX prefer HT to non-HT? 1865 */ 1866 if (!IEEE80211_IS_CHAN_B(c) || 1867 !find11gchannel(ic, i, c->ic_freq)) 1868 return c; 1869 } else { 1870 /* must check HT specially */ 1871 if ((mode == IEEE80211_MODE_11NA || 1872 mode == IEEE80211_MODE_11NG) && 1873 !IEEE80211_IS_CHAN_HT(c)) 1874 continue; 1875 if ((c->ic_flags & modeflags) == modeflags) 1876 return c; 1877 } 1878 } 1879 return NULL; 1880 } 1881 1882 /* 1883 * Check the specified against any desired mode (aka netband). 1884 * This is only used (presently) when operating in hostap mode 1885 * to enforce consistency. 1886 */ 1887 static int 1888 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1889 { 1890 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1891 1892 switch (mode) { 1893 case IEEE80211_MODE_11B: 1894 return (IEEE80211_IS_CHAN_B(c)); 1895 case IEEE80211_MODE_11G: 1896 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1897 case IEEE80211_MODE_11A: 1898 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1899 case IEEE80211_MODE_STURBO_A: 1900 return (IEEE80211_IS_CHAN_STURBO(c)); 1901 case IEEE80211_MODE_11NA: 1902 return (IEEE80211_IS_CHAN_HTA(c)); 1903 case IEEE80211_MODE_11NG: 1904 return (IEEE80211_IS_CHAN_HTG(c)); 1905 } 1906 return 1; 1907 1908 } 1909 1910 /* 1911 * Common code to set the current channel. If the device 1912 * is up and running this may result in an immediate channel 1913 * change or a kick of the state machine. 1914 */ 1915 static int 1916 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 1917 { 1918 struct ieee80211com *ic = vap->iv_ic; 1919 int error; 1920 1921 if (c != IEEE80211_CHAN_ANYC) { 1922 if (IEEE80211_IS_CHAN_RADAR(c)) 1923 return EBUSY; /* XXX better code? */ 1924 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 1925 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 1926 return EINVAL; 1927 if (!check_mode_consistency(c, vap->iv_des_mode)) 1928 return EINVAL; 1929 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 1930 if (IEEE80211_IS_CHAN_NOADHOC(c)) 1931 return EINVAL; 1932 } 1933 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) && 1934 vap->iv_bss->ni_chan == c) 1935 return 0; /* NB: nothing to do */ 1936 } 1937 vap->iv_des_chan = c; 1938 1939 error = 0; 1940 if (vap->iv_opmode == IEEE80211_M_MONITOR && 1941 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1942 /* 1943 * Monitor mode can switch directly. 1944 */ 1945 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 1946 /* XXX need state machine for other vap's to follow */ 1947 ieee80211_setcurchan(ic, vap->iv_des_chan); 1948 vap->iv_bss->ni_chan = ic->ic_curchan; 1949 } else 1950 ic->ic_curchan = vap->iv_des_chan; 1951 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1952 } else { 1953 /* 1954 * Need to go through the state machine in case we 1955 * need to reassociate or the like. The state machine 1956 * will pickup the desired channel and avoid scanning. 1957 */ 1958 if (IS_UP_AUTO(vap)) 1959 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 1960 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1961 /* 1962 * When not up+running and a real channel has 1963 * been specified fix the current channel so 1964 * there is immediate feedback; e.g. via ifconfig. 1965 */ 1966 ic->ic_curchan = vap->iv_des_chan; 1967 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1968 } 1969 } 1970 return error; 1971 } 1972 1973 /* 1974 * Old api for setting the current channel; this is 1975 * deprecated because channel numbers are ambiguous. 1976 */ 1977 static int 1978 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 1979 const struct ieee80211req *ireq) 1980 { 1981 struct ieee80211com *ic = vap->iv_ic; 1982 struct ieee80211_channel *c; 1983 1984 /* XXX 0xffff overflows 16-bit signed */ 1985 if (ireq->i_val == 0 || 1986 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 1987 c = IEEE80211_CHAN_ANYC; 1988 } else { 1989 struct ieee80211_channel *c2; 1990 1991 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 1992 if (c == NULL) { 1993 c = findchannel(ic, ireq->i_val, 1994 IEEE80211_MODE_AUTO); 1995 if (c == NULL) 1996 return EINVAL; 1997 } 1998 /* 1999 * Fine tune channel selection based on desired mode: 2000 * if 11b is requested, find the 11b version of any 2001 * 11g channel returned, 2002 * if static turbo, find the turbo version of any 2003 * 11a channel return, 2004 * if 11na is requested, find the ht version of any 2005 * 11a channel returned, 2006 * if 11ng is requested, find the ht version of any 2007 * 11g channel returned, 2008 * otherwise we should be ok with what we've got. 2009 */ 2010 switch (vap->iv_des_mode) { 2011 case IEEE80211_MODE_11B: 2012 if (IEEE80211_IS_CHAN_ANYG(c)) { 2013 c2 = findchannel(ic, ireq->i_val, 2014 IEEE80211_MODE_11B); 2015 /* NB: should not happen, =>'s 11g w/o 11b */ 2016 if (c2 != NULL) 2017 c = c2; 2018 } 2019 break; 2020 case IEEE80211_MODE_TURBO_A: 2021 if (IEEE80211_IS_CHAN_A(c)) { 2022 c2 = findchannel(ic, ireq->i_val, 2023 IEEE80211_MODE_TURBO_A); 2024 if (c2 != NULL) 2025 c = c2; 2026 } 2027 break; 2028 case IEEE80211_MODE_11NA: 2029 if (IEEE80211_IS_CHAN_A(c)) { 2030 c2 = findchannel(ic, ireq->i_val, 2031 IEEE80211_MODE_11NA); 2032 if (c2 != NULL) 2033 c = c2; 2034 } 2035 break; 2036 case IEEE80211_MODE_11NG: 2037 if (IEEE80211_IS_CHAN_ANYG(c)) { 2038 c2 = findchannel(ic, ireq->i_val, 2039 IEEE80211_MODE_11NG); 2040 if (c2 != NULL) 2041 c = c2; 2042 } 2043 break; 2044 default: /* NB: no static turboG */ 2045 break; 2046 } 2047 } 2048 return setcurchan(vap, c); 2049 } 2050 2051 /* 2052 * New/current api for setting the current channel; a complete 2053 * channel description is provide so there is no ambiguity in 2054 * identifying the channel. 2055 */ 2056 static int 2057 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 2058 const struct ieee80211req *ireq) 2059 { 2060 struct ieee80211com *ic = vap->iv_ic; 2061 struct ieee80211_channel chan, *c; 2062 int error; 2063 2064 if (ireq->i_len != sizeof(chan)) 2065 return EINVAL; 2066 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2067 if (error != 0) 2068 return error; 2069 /* XXX 0xffff overflows 16-bit signed */ 2070 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2071 c = IEEE80211_CHAN_ANYC; 2072 } else { 2073 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2074 if (c == NULL) 2075 return EINVAL; 2076 } 2077 return setcurchan(vap, c); 2078 } 2079 2080 static int 2081 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2082 const struct ieee80211req *ireq) 2083 { 2084 struct ieee80211_regdomain_req *reg; 2085 int nchans, error; 2086 2087 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2088 sizeof(struct ieee80211_channel)); 2089 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2090 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2091 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2092 ireq->i_len, nchans); 2093 return EINVAL; 2094 } 2095 reg = (struct ieee80211_regdomain_req *) 2096 IEEE80211_MALLOC(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, 2097 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2098 if (reg == NULL) { 2099 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2100 "%s: no memory, nchans %d\n", __func__, nchans); 2101 return ENOMEM; 2102 } 2103 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2104 if (error == 0) { 2105 /* NB: validate inline channel count against storage size */ 2106 if (reg->chaninfo.ic_nchans != nchans) { 2107 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2108 "%s: chan cnt mismatch, %d != %d\n", __func__, 2109 reg->chaninfo.ic_nchans, nchans); 2110 error = EINVAL; 2111 } else 2112 error = ieee80211_setregdomain(vap, reg); 2113 } 2114 IEEE80211_FREE(reg, M_TEMP); 2115 2116 return (error == 0 ? ENETRESET : error); 2117 } 2118 2119 static int 2120 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2121 const struct ieee80211req *ireq) 2122 { 2123 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2124 return EINVAL; 2125 /* XXX validate params */ 2126 /* XXX? ENETRESET to push to device? */ 2127 return copyin(ireq->i_data, vap->iv_roamparms, 2128 sizeof(vap->iv_roamparms)); 2129 } 2130 2131 static int 2132 checkrate(const struct ieee80211_rateset *rs, int rate) 2133 { 2134 int i; 2135 2136 if (rate == IEEE80211_FIXED_RATE_NONE) 2137 return 1; 2138 for (i = 0; i < rs->rs_nrates; i++) 2139 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2140 return 1; 2141 return 0; 2142 } 2143 2144 static int 2145 checkmcs(int mcs) 2146 { 2147 if (mcs == IEEE80211_FIXED_RATE_NONE) 2148 return 1; 2149 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2150 return 0; 2151 return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */ 2152 } 2153 2154 static int 2155 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2156 const struct ieee80211req *ireq) 2157 { 2158 struct ieee80211com *ic = vap->iv_ic; 2159 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2160 struct ieee80211_txparam *src, *dst; 2161 const struct ieee80211_rateset *rs; 2162 int error, mode, changed, is11n, nmodes; 2163 2164 /* NB: accept short requests for backwards compat */ 2165 if (ireq->i_len > sizeof(parms)) 2166 return EINVAL; 2167 error = copyin(ireq->i_data, &parms, ireq->i_len); 2168 if (error != 0) 2169 return error; 2170 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2171 changed = 0; 2172 /* validate parameters and check if anything changed */ 2173 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2174 if (isclr(ic->ic_modecaps, mode)) 2175 continue; 2176 src = &parms.params[mode]; 2177 dst = &vap->iv_txparms[mode]; 2178 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2179 is11n = (mode == IEEE80211_MODE_11NA || 2180 mode == IEEE80211_MODE_11NG); 2181 if (src->ucastrate != dst->ucastrate) { 2182 if (!checkrate(rs, src->ucastrate) && 2183 (!is11n || !checkmcs(src->ucastrate))) 2184 return EINVAL; 2185 changed++; 2186 } 2187 if (src->mcastrate != dst->mcastrate) { 2188 if (!checkrate(rs, src->mcastrate) && 2189 (!is11n || !checkmcs(src->mcastrate))) 2190 return EINVAL; 2191 changed++; 2192 } 2193 if (src->mgmtrate != dst->mgmtrate) { 2194 if (!checkrate(rs, src->mgmtrate) && 2195 (!is11n || !checkmcs(src->mgmtrate))) 2196 return EINVAL; 2197 changed++; 2198 } 2199 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2200 changed++; 2201 } 2202 if (changed) { 2203 /* 2204 * Copy new parameters in place and notify the 2205 * driver so it can push state to the device. 2206 */ 2207 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2208 if (isset(ic->ic_modecaps, mode)) 2209 vap->iv_txparms[mode] = parms.params[mode]; 2210 } 2211 /* XXX could be more intelligent, 2212 e.g. don't reset if setting not being used */ 2213 return ENETRESET; 2214 } 2215 return 0; 2216 } 2217 2218 /* 2219 * Application Information Element support. 2220 */ 2221 static int 2222 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2223 { 2224 struct ieee80211_appie *app = *aie; 2225 struct ieee80211_appie *napp; 2226 int error; 2227 2228 if (ireq->i_len == 0) { /* delete any existing ie */ 2229 if (app != NULL) { 2230 *aie = NULL; /* XXX racey */ 2231 IEEE80211_FREE(app, M_80211_NODE_IE); 2232 } 2233 return 0; 2234 } 2235 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2236 return EINVAL; 2237 /* 2238 * Allocate a new appie structure and copy in the user data. 2239 * When done swap in the new structure. Note that we do not 2240 * guard against users holding a ref to the old structure; 2241 * this must be handled outside this code. 2242 * 2243 * XXX bad bad bad 2244 */ 2245 napp = (struct ieee80211_appie *) IEEE80211_MALLOC( 2246 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, 2247 IEEE80211_M_NOWAIT); 2248 if (napp == NULL) 2249 return ENOMEM; 2250 /* XXX holding ic lock */ 2251 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2252 if (error) { 2253 IEEE80211_FREE(napp, M_80211_NODE_IE); 2254 return error; 2255 } 2256 napp->ie_len = ireq->i_len; 2257 *aie = napp; 2258 if (app != NULL) 2259 IEEE80211_FREE(app, M_80211_NODE_IE); 2260 return 0; 2261 } 2262 2263 static void 2264 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2265 { 2266 /* validate data is present as best we can */ 2267 if (space == 0 || 2+ie[1] > space) 2268 return; 2269 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2270 vap->iv_wpa_ie = ie; 2271 else if (ie[0] == IEEE80211_ELEMID_RSN) 2272 vap->iv_rsn_ie = ie; 2273 } 2274 2275 static int 2276 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2277 const struct ieee80211req *ireq, int fc0) 2278 { 2279 int error; 2280 2281 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2282 2283 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2284 case IEEE80211_FC0_SUBTYPE_BEACON: 2285 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2286 vap->iv_opmode != IEEE80211_M_IBSS) { 2287 error = EINVAL; 2288 break; 2289 } 2290 error = setappie(&vap->iv_appie_beacon, ireq); 2291 if (error == 0) 2292 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2293 break; 2294 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2295 error = setappie(&vap->iv_appie_proberesp, ireq); 2296 break; 2297 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2298 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2299 error = setappie(&vap->iv_appie_assocresp, ireq); 2300 else 2301 error = EINVAL; 2302 break; 2303 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2304 error = setappie(&vap->iv_appie_probereq, ireq); 2305 break; 2306 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2307 if (vap->iv_opmode == IEEE80211_M_STA) 2308 error = setappie(&vap->iv_appie_assocreq, ireq); 2309 else 2310 error = EINVAL; 2311 break; 2312 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2313 error = setappie(&vap->iv_appie_wpa, ireq); 2314 if (error == 0) { 2315 /* 2316 * Must split single blob of data into separate 2317 * WPA and RSN ie's because they go in different 2318 * locations in the mgt frames. 2319 * XXX use IEEE80211_IOC_WPA2 so user code does split 2320 */ 2321 vap->iv_wpa_ie = NULL; 2322 vap->iv_rsn_ie = NULL; 2323 if (vap->iv_appie_wpa != NULL) { 2324 struct ieee80211_appie *appie = 2325 vap->iv_appie_wpa; 2326 uint8_t *data = appie->ie_data; 2327 2328 /* XXX ie length validate is painful, cheat */ 2329 setwparsnie(vap, data, appie->ie_len); 2330 setwparsnie(vap, data + 2 + data[1], 2331 appie->ie_len - (2 + data[1])); 2332 } 2333 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2334 vap->iv_opmode == IEEE80211_M_IBSS) { 2335 /* 2336 * Must rebuild beacon frame as the update 2337 * mechanism doesn't handle WPA/RSN ie's. 2338 * Could extend it but it doesn't normally 2339 * change; this is just to deal with hostapd 2340 * plumbing the ie after the interface is up. 2341 */ 2342 error = ENETRESET; 2343 } 2344 } 2345 break; 2346 default: 2347 error = EINVAL; 2348 break; 2349 } 2350 return error; 2351 } 2352 2353 static int 2354 ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2355 const struct ieee80211req *ireq) 2356 { 2357 struct ieee80211com *ic = vap->iv_ic; 2358 int error; 2359 uint8_t fc0; 2360 2361 fc0 = ireq->i_val & 0xff; 2362 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2363 return EINVAL; 2364 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2365 IEEE80211_LOCK(ic); 2366 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2367 IEEE80211_UNLOCK(ic); 2368 return error; 2369 } 2370 2371 static int 2372 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2373 { 2374 struct ieee80211com *ic = vap->iv_ic; 2375 struct ieee80211_chanswitch_req csr; 2376 struct ieee80211_channel *c; 2377 int error; 2378 2379 if (ireq->i_len != sizeof(csr)) 2380 return EINVAL; 2381 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2382 if (error != 0) 2383 return error; 2384 /* XXX adhoc mode not supported */ 2385 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2386 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2387 return EOPNOTSUPP; 2388 c = ieee80211_find_channel(ic, 2389 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2390 if (c == NULL) 2391 return ENOENT; 2392 IEEE80211_LOCK(ic); 2393 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2394 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2395 else if (csr.csa_count == 0) 2396 ieee80211_csa_cancelswitch(ic); 2397 else 2398 error = EBUSY; 2399 IEEE80211_UNLOCK(ic); 2400 return error; 2401 } 2402 2403 static int 2404 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr) 2405 { 2406 #define IEEE80211_IOC_SCAN_FLAGS \ 2407 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2408 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2409 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2410 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2411 IEEE80211_IOC_SCAN_CHECK) 2412 struct ieee80211com *ic = vap->iv_ic; 2413 int error, i; 2414 2415 /* convert duration */ 2416 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2417 sr->sr_duration = IEEE80211_SCAN_FOREVER; 2418 else { 2419 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2420 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2421 return EINVAL; 2422 sr->sr_duration = msecs_to_ticks(sr->sr_duration); 2423 if (sr->sr_duration < 1) 2424 sr->sr_duration = 1; 2425 } 2426 /* convert min/max channel dwell */ 2427 if (sr->sr_mindwell != 0) { 2428 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell); 2429 if (sr->sr_mindwell < 1) 2430 sr->sr_mindwell = 1; 2431 } 2432 if (sr->sr_maxdwell != 0) { 2433 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell); 2434 if (sr->sr_maxdwell < 1) 2435 sr->sr_maxdwell = 1; 2436 } 2437 /* NB: silently reduce ssid count to what is supported */ 2438 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID) 2439 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID; 2440 for (i = 0; i < sr->sr_nssid; i++) 2441 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN) 2442 return EINVAL; 2443 /* cleanse flags just in case, could reject if invalid flags */ 2444 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2445 /* 2446 * Add an implicit NOPICK if the vap is not marked UP. This 2447 * allows applications to scan without joining a bss (or picking 2448 * a channel and setting up a bss) and without forcing manual 2449 * roaming mode--you just need to mark the parent device UP. 2450 */ 2451 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2452 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2453 2454 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2455 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2456 __func__, sr->sr_flags, 2457 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2458 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid); 2459 /* 2460 * If we are in INIT state then the driver has never had a chance 2461 * to setup hardware state to do a scan; we must use the state 2462 * machine to get us up to the SCAN state but once we reach SCAN 2463 * state we then want to use the supplied params. Stash the 2464 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2465 * state machines will recognize this and use the stashed params 2466 * to issue the scan request. 2467 * 2468 * Otherwise just invoke the scan machinery directly. 2469 */ 2470 IEEE80211_LOCK(ic); 2471 if (vap->iv_state == IEEE80211_S_INIT) { 2472 /* NB: clobbers previous settings */ 2473 vap->iv_scanreq_flags = sr->sr_flags; 2474 vap->iv_scanreq_duration = sr->sr_duration; 2475 vap->iv_scanreq_nssid = sr->sr_nssid; 2476 for (i = 0; i < sr->sr_nssid; i++) { 2477 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len; 2478 memcpy(vap->iv_scanreq_ssid[i].ssid, 2479 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len); 2480 } 2481 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2482 IEEE80211_UNLOCK(ic); 2483 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2484 } else { 2485 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2486 IEEE80211_UNLOCK(ic); 2487 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2488 error = ieee80211_check_scan(vap, sr->sr_flags, 2489 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2490 sr->sr_nssid, 2491 /* NB: cheat, we assume structures are compatible */ 2492 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2493 } else { 2494 error = ieee80211_start_scan(vap, sr->sr_flags, 2495 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2496 sr->sr_nssid, 2497 /* NB: cheat, we assume structures are compatible */ 2498 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2499 } 2500 if (error == 0) 2501 return EINPROGRESS; 2502 } 2503 return 0; 2504 #undef IEEE80211_IOC_SCAN_FLAGS 2505 } 2506 2507 static int 2508 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2509 { 2510 struct ieee80211_scan_req *sr; 2511 int error; 2512 2513 if (ireq->i_len != sizeof(*sr)) 2514 return EINVAL; 2515 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 2516 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2517 if (sr == NULL) 2518 return ENOMEM; 2519 error = copyin(ireq->i_data, sr, sizeof(*sr)); 2520 if (error != 0) 2521 goto bad; 2522 error = ieee80211_scanreq(vap, sr); 2523 bad: 2524 IEEE80211_FREE(sr, M_TEMP); 2525 return error; 2526 } 2527 2528 static int 2529 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2530 { 2531 struct ieee80211_node *ni; 2532 struct ieee80211req_sta_vlan vlan; 2533 int error; 2534 2535 if (ireq->i_len != sizeof(vlan)) 2536 return EINVAL; 2537 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2538 if (error != 0) 2539 return error; 2540 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2541 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2542 vlan.sv_macaddr); 2543 if (ni == NULL) 2544 return ENOENT; 2545 } else 2546 ni = ieee80211_ref_node(vap->iv_bss); 2547 ni->ni_vlan = vlan.sv_vlan; 2548 ieee80211_free_node(ni); 2549 return error; 2550 } 2551 2552 static int 2553 isvap11g(const struct ieee80211vap *vap) 2554 { 2555 const struct ieee80211_node *bss = vap->iv_bss; 2556 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2557 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2558 } 2559 2560 static int 2561 isvapht(const struct ieee80211vap *vap) 2562 { 2563 const struct ieee80211_node *bss = vap->iv_bss; 2564 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2565 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2566 } 2567 2568 /* 2569 * Dummy ioctl set handler so the linker set is defined. 2570 */ 2571 static int 2572 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2573 { 2574 return ENOSYS; 2575 } 2576 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2577 2578 static int 2579 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2580 { 2581 ieee80211_ioctl_setfunc * const *set; 2582 int error; 2583 2584 SET_FOREACH(set, ieee80211_ioctl_setset) { 2585 error = (*set)(vap, ireq); 2586 if (error != ENOSYS) 2587 return error; 2588 } 2589 return EINVAL; 2590 } 2591 2592 static int 2593 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2594 { 2595 struct ieee80211com *ic = vap->iv_ic; 2596 int error; 2597 const struct ieee80211_authenticator *auth; 2598 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2599 char tmpssid[IEEE80211_NWID_LEN]; 2600 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2601 struct ieee80211_key *k; 2602 u_int kid; 2603 uint32_t flags; 2604 2605 error = 0; 2606 switch (ireq->i_type) { 2607 case IEEE80211_IOC_SSID: 2608 if (ireq->i_val != 0 || 2609 ireq->i_len > IEEE80211_NWID_LEN) 2610 return EINVAL; 2611 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2612 if (error) 2613 break; 2614 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2615 vap->iv_des_ssid[0].len = ireq->i_len; 2616 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2617 vap->iv_des_nssid = (ireq->i_len > 0); 2618 error = ENETRESET; 2619 break; 2620 case IEEE80211_IOC_WEP: 2621 switch (ireq->i_val) { 2622 case IEEE80211_WEP_OFF: 2623 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2624 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2625 break; 2626 case IEEE80211_WEP_ON: 2627 vap->iv_flags |= IEEE80211_F_PRIVACY; 2628 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2629 break; 2630 case IEEE80211_WEP_MIXED: 2631 vap->iv_flags |= IEEE80211_F_PRIVACY; 2632 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2633 break; 2634 } 2635 error = ENETRESET; 2636 break; 2637 case IEEE80211_IOC_WEPKEY: 2638 kid = (u_int) ireq->i_val; 2639 if (kid >= IEEE80211_WEP_NKID) 2640 return EINVAL; 2641 k = &vap->iv_nw_keys[kid]; 2642 if (ireq->i_len == 0) { 2643 /* zero-len =>'s delete any existing key */ 2644 (void) ieee80211_crypto_delkey(vap, k); 2645 break; 2646 } 2647 if (ireq->i_len > sizeof(tmpkey)) 2648 return EINVAL; 2649 memset(tmpkey, 0, sizeof(tmpkey)); 2650 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2651 if (error) 2652 break; 2653 ieee80211_key_update_begin(vap); 2654 k->wk_keyix = kid; /* NB: force fixed key id */ 2655 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2656 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2657 k->wk_keylen = ireq->i_len; 2658 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2659 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2660 if (!ieee80211_crypto_setkey(vap, k)) 2661 error = EINVAL; 2662 } else 2663 error = EINVAL; 2664 ieee80211_key_update_end(vap); 2665 break; 2666 case IEEE80211_IOC_WEPTXKEY: 2667 kid = (u_int) ireq->i_val; 2668 if (kid >= IEEE80211_WEP_NKID && 2669 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2670 return EINVAL; 2671 vap->iv_def_txkey = kid; 2672 break; 2673 case IEEE80211_IOC_AUTHMODE: 2674 switch (ireq->i_val) { 2675 case IEEE80211_AUTH_WPA: 2676 case IEEE80211_AUTH_8021X: /* 802.1x */ 2677 case IEEE80211_AUTH_OPEN: /* open */ 2678 case IEEE80211_AUTH_SHARED: /* shared-key */ 2679 case IEEE80211_AUTH_AUTO: /* auto */ 2680 auth = ieee80211_authenticator_get(ireq->i_val); 2681 if (auth == NULL) 2682 return EINVAL; 2683 break; 2684 default: 2685 return EINVAL; 2686 } 2687 switch (ireq->i_val) { 2688 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2689 vap->iv_flags |= IEEE80211_F_PRIVACY; 2690 ireq->i_val = IEEE80211_AUTH_8021X; 2691 break; 2692 case IEEE80211_AUTH_OPEN: /* open */ 2693 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2694 break; 2695 case IEEE80211_AUTH_SHARED: /* shared-key */ 2696 case IEEE80211_AUTH_8021X: /* 802.1x */ 2697 vap->iv_flags &= ~IEEE80211_F_WPA; 2698 /* both require a key so mark the PRIVACY capability */ 2699 vap->iv_flags |= IEEE80211_F_PRIVACY; 2700 break; 2701 case IEEE80211_AUTH_AUTO: /* auto */ 2702 vap->iv_flags &= ~IEEE80211_F_WPA; 2703 /* XXX PRIVACY handling? */ 2704 /* XXX what's the right way to do this? */ 2705 break; 2706 } 2707 /* NB: authenticator attach/detach happens on state change */ 2708 vap->iv_bss->ni_authmode = ireq->i_val; 2709 /* XXX mixed/mode/usage? */ 2710 vap->iv_auth = auth; 2711 error = ENETRESET; 2712 break; 2713 case IEEE80211_IOC_CHANNEL: 2714 error = ieee80211_ioctl_setchannel(vap, ireq); 2715 break; 2716 case IEEE80211_IOC_POWERSAVE: 2717 switch (ireq->i_val) { 2718 case IEEE80211_POWERSAVE_OFF: 2719 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2720 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2721 error = ERESTART; 2722 } 2723 break; 2724 case IEEE80211_POWERSAVE_ON: 2725 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2726 error = EOPNOTSUPP; 2727 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2728 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2729 error = ERESTART; 2730 } 2731 break; 2732 default: 2733 error = EINVAL; 2734 break; 2735 } 2736 break; 2737 case IEEE80211_IOC_POWERSAVESLEEP: 2738 if (ireq->i_val < 0) 2739 return EINVAL; 2740 ic->ic_lintval = ireq->i_val; 2741 error = ERESTART; 2742 break; 2743 case IEEE80211_IOC_RTSTHRESHOLD: 2744 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2745 ireq->i_val <= IEEE80211_RTS_MAX)) 2746 return EINVAL; 2747 vap->iv_rtsthreshold = ireq->i_val; 2748 error = ERESTART; 2749 break; 2750 case IEEE80211_IOC_PROTMODE: 2751 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2752 return EINVAL; 2753 ic->ic_protmode = (enum ieee80211_protmode)ireq->i_val; 2754 /* NB: if not operating in 11g this can wait */ 2755 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2756 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2757 error = ERESTART; 2758 break; 2759 case IEEE80211_IOC_TXPOWER: 2760 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2761 return EOPNOTSUPP; 2762 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2763 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2764 return EINVAL; 2765 ic->ic_txpowlimit = ireq->i_val; 2766 error = ERESTART; 2767 break; 2768 case IEEE80211_IOC_ROAMING: 2769 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2770 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2771 return EINVAL; 2772 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val; 2773 /* XXXX reset? */ 2774 break; 2775 case IEEE80211_IOC_PRIVACY: 2776 if (ireq->i_val) { 2777 /* XXX check for key state? */ 2778 vap->iv_flags |= IEEE80211_F_PRIVACY; 2779 } else 2780 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2781 /* XXX ERESTART? */ 2782 break; 2783 case IEEE80211_IOC_DROPUNENCRYPTED: 2784 if (ireq->i_val) 2785 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2786 else 2787 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2788 /* XXX ERESTART? */ 2789 break; 2790 case IEEE80211_IOC_WPAKEY: 2791 error = ieee80211_ioctl_setkey(vap, ireq); 2792 break; 2793 case IEEE80211_IOC_DELKEY: 2794 error = ieee80211_ioctl_delkey(vap, ireq); 2795 break; 2796 case IEEE80211_IOC_MLME: 2797 error = ieee80211_ioctl_setmlme(vap, ireq); 2798 break; 2799 case IEEE80211_IOC_COUNTERMEASURES: 2800 if (ireq->i_val) { 2801 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2802 return EOPNOTSUPP; 2803 vap->iv_flags |= IEEE80211_F_COUNTERM; 2804 } else 2805 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2806 /* XXX ERESTART? */ 2807 break; 2808 case IEEE80211_IOC_WPA: 2809 if (ireq->i_val > 3) 2810 return EINVAL; 2811 /* XXX verify ciphers available */ 2812 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2813 switch (ireq->i_val) { 2814 case 0: 2815 /* wpa_supplicant calls this to clear the WPA config */ 2816 break; 2817 case 1: 2818 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2819 return EOPNOTSUPP; 2820 flags |= IEEE80211_F_WPA1; 2821 break; 2822 case 2: 2823 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2824 return EOPNOTSUPP; 2825 flags |= IEEE80211_F_WPA2; 2826 break; 2827 case 3: 2828 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2829 return EOPNOTSUPP; 2830 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2831 break; 2832 default: /* Can't set any -> error */ 2833 return EOPNOTSUPP; 2834 } 2835 vap->iv_flags = flags; 2836 error = ERESTART; /* NB: can change beacon frame */ 2837 break; 2838 case IEEE80211_IOC_WME: 2839 if (ireq->i_val) { 2840 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 2841 return EOPNOTSUPP; 2842 ieee80211_syncflag(vap, IEEE80211_F_WME); 2843 } else 2844 ieee80211_syncflag(vap, -IEEE80211_F_WME); 2845 error = ERESTART; /* NB: can change beacon frame */ 2846 break; 2847 case IEEE80211_IOC_HIDESSID: 2848 if (ireq->i_val) 2849 vap->iv_flags |= IEEE80211_F_HIDESSID; 2850 else 2851 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 2852 error = ERESTART; /* XXX ENETRESET? */ 2853 break; 2854 case IEEE80211_IOC_APBRIDGE: 2855 if (ireq->i_val == 0) 2856 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 2857 else 2858 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 2859 break; 2860 case IEEE80211_IOC_BSSID: 2861 if (ireq->i_len != sizeof(tmpbssid)) 2862 return EINVAL; 2863 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 2864 if (error) 2865 break; 2866 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 2867 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 2868 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 2869 else 2870 vap->iv_flags |= IEEE80211_F_DESBSSID; 2871 error = ENETRESET; 2872 break; 2873 case IEEE80211_IOC_CHANLIST: 2874 error = ieee80211_ioctl_setchanlist(vap, ireq); 2875 break; 2876 #define OLD_IEEE80211_IOC_SCAN_REQ 23 2877 #ifdef OLD_IEEE80211_IOC_SCAN_REQ 2878 case OLD_IEEE80211_IOC_SCAN_REQ: 2879 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2880 "%s: active scan request\n", __func__); 2881 /* 2882 * If we are in INIT state then the driver has never 2883 * had a chance to setup hardware state to do a scan; 2884 * use the state machine to get us up the SCAN state. 2885 * Otherwise just invoke the scan machinery to start 2886 * a one-time scan. 2887 */ 2888 if (vap->iv_state == IEEE80211_S_INIT) 2889 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2890 else 2891 (void) ieee80211_start_scan(vap, 2892 IEEE80211_SCAN_ACTIVE | 2893 IEEE80211_SCAN_NOPICK | 2894 IEEE80211_SCAN_ONCE, 2895 IEEE80211_SCAN_FOREVER, 0, 0, 2896 /* XXX use ioctl params */ 2897 vap->iv_des_nssid, vap->iv_des_ssid); 2898 break; 2899 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 2900 case IEEE80211_IOC_SCAN_REQ: 2901 error = ieee80211_ioctl_scanreq(vap, ireq); 2902 break; 2903 case IEEE80211_IOC_SCAN_CANCEL: 2904 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2905 "%s: cancel scan\n", __func__); 2906 ieee80211_cancel_scan(vap); 2907 break; 2908 case IEEE80211_IOC_HTCONF: 2909 if (ireq->i_val & 1) 2910 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 2911 else 2912 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 2913 if (ireq->i_val & 2) 2914 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 2915 else 2916 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 2917 error = ENETRESET; 2918 break; 2919 case IEEE80211_IOC_ADDMAC: 2920 case IEEE80211_IOC_DELMAC: 2921 error = ieee80211_ioctl_macmac(vap, ireq); 2922 break; 2923 case IEEE80211_IOC_MACCMD: 2924 error = ieee80211_ioctl_setmaccmd(vap, ireq); 2925 break; 2926 case IEEE80211_IOC_STA_STATS: 2927 error = ieee80211_ioctl_setstastats(vap, ireq); 2928 break; 2929 case IEEE80211_IOC_STA_TXPOW: 2930 error = ieee80211_ioctl_setstatxpow(vap, ireq); 2931 break; 2932 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 2933 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 2934 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 2935 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 2936 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 2937 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 2938 error = ieee80211_ioctl_setwmeparam(vap, ireq); 2939 break; 2940 case IEEE80211_IOC_DTIM_PERIOD: 2941 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2942 vap->iv_opmode != IEEE80211_M_MBSS && 2943 vap->iv_opmode != IEEE80211_M_IBSS) 2944 return EINVAL; 2945 if (IEEE80211_DTIM_MIN <= ireq->i_val && 2946 ireq->i_val <= IEEE80211_DTIM_MAX) { 2947 vap->iv_dtim_period = ireq->i_val; 2948 error = ENETRESET; /* requires restart */ 2949 } else 2950 error = EINVAL; 2951 break; 2952 case IEEE80211_IOC_BEACON_INTERVAL: 2953 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2954 vap->iv_opmode != IEEE80211_M_MBSS && 2955 vap->iv_opmode != IEEE80211_M_IBSS) 2956 return EINVAL; 2957 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 2958 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 2959 ic->ic_bintval = ireq->i_val; 2960 error = ENETRESET; /* requires restart */ 2961 } else 2962 error = EINVAL; 2963 break; 2964 case IEEE80211_IOC_PUREG: 2965 if (ireq->i_val) 2966 vap->iv_flags |= IEEE80211_F_PUREG; 2967 else 2968 vap->iv_flags &= ~IEEE80211_F_PUREG; 2969 /* NB: reset only if we're operating on an 11g channel */ 2970 if (isvap11g(vap)) 2971 error = ENETRESET; 2972 break; 2973 case IEEE80211_IOC_QUIET: 2974 vap->iv_quiet= ireq->i_val; 2975 break; 2976 case IEEE80211_IOC_QUIET_COUNT: 2977 vap->iv_quiet_count=ireq->i_val; 2978 break; 2979 case IEEE80211_IOC_QUIET_PERIOD: 2980 vap->iv_quiet_period=ireq->i_val; 2981 break; 2982 case IEEE80211_IOC_QUIET_OFFSET: 2983 vap->iv_quiet_offset=ireq->i_val; 2984 break; 2985 case IEEE80211_IOC_QUIET_DUR: 2986 if(ireq->i_val < vap->iv_bss->ni_intval) 2987 vap->iv_quiet_duration = ireq->i_val; 2988 else 2989 error = EINVAL; 2990 break; 2991 case IEEE80211_IOC_BGSCAN: 2992 if (ireq->i_val) { 2993 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 2994 return EOPNOTSUPP; 2995 vap->iv_flags |= IEEE80211_F_BGSCAN; 2996 } else 2997 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 2998 break; 2999 case IEEE80211_IOC_BGSCAN_IDLE: 3000 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 3001 vap->iv_bgscanidle = ireq->i_val*hz/1000; 3002 else 3003 error = EINVAL; 3004 break; 3005 case IEEE80211_IOC_BGSCAN_INTERVAL: 3006 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 3007 vap->iv_bgscanintvl = ireq->i_val*hz; 3008 else 3009 error = EINVAL; 3010 break; 3011 case IEEE80211_IOC_SCANVALID: 3012 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 3013 vap->iv_scanvalid = ireq->i_val*hz; 3014 else 3015 error = EINVAL; 3016 break; 3017 case IEEE80211_IOC_FRAGTHRESHOLD: 3018 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 3019 ireq->i_val != IEEE80211_FRAG_MAX) 3020 return EOPNOTSUPP; 3021 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 3022 ireq->i_val <= IEEE80211_FRAG_MAX)) 3023 return EINVAL; 3024 vap->iv_fragthreshold = ireq->i_val; 3025 error = ERESTART; 3026 break; 3027 case IEEE80211_IOC_BURST: 3028 if (ireq->i_val) { 3029 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 3030 return EOPNOTSUPP; 3031 ieee80211_syncflag(vap, IEEE80211_F_BURST); 3032 } else 3033 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 3034 error = ERESTART; 3035 break; 3036 case IEEE80211_IOC_BMISSTHRESHOLD: 3037 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 3038 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 3039 return EINVAL; 3040 vap->iv_bmissthreshold = ireq->i_val; 3041 error = ERESTART; 3042 break; 3043 case IEEE80211_IOC_CURCHAN: 3044 error = ieee80211_ioctl_setcurchan(vap, ireq); 3045 break; 3046 case IEEE80211_IOC_SHORTGI: 3047 if (ireq->i_val) { 3048 #define IEEE80211_HTCAP_SHORTGI \ 3049 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 3050 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 3051 return EINVAL; 3052 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 3053 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 3054 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 3055 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 3056 #undef IEEE80211_HTCAP_SHORTGI 3057 } else 3058 vap->iv_flags_ht &= 3059 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 3060 error = ERESTART; 3061 break; 3062 case IEEE80211_IOC_AMPDU: 3063 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 3064 return EINVAL; 3065 if (ireq->i_val & 1) 3066 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 3067 else 3068 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 3069 if (ireq->i_val & 2) 3070 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 3071 else 3072 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 3073 /* NB: reset only if we're operating on an 11n channel */ 3074 if (isvapht(vap)) 3075 error = ERESTART; 3076 break; 3077 case IEEE80211_IOC_AMPDU_LIMIT: 3078 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 3079 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 3080 return EINVAL; 3081 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 3082 vap->iv_ampdu_rxmax = ireq->i_val; 3083 else 3084 vap->iv_ampdu_limit = ireq->i_val; 3085 error = ERESTART; 3086 break; 3087 case IEEE80211_IOC_AMPDU_DENSITY: 3088 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 3089 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 3090 return EINVAL; 3091 vap->iv_ampdu_density = ireq->i_val; 3092 error = ERESTART; 3093 break; 3094 case IEEE80211_IOC_AMSDU: 3095 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 3096 return EINVAL; 3097 if (ireq->i_val & 1) 3098 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 3099 else 3100 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 3101 if (ireq->i_val & 2) 3102 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 3103 else 3104 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 3105 /* NB: reset only if we're operating on an 11n channel */ 3106 if (isvapht(vap)) 3107 error = ERESTART; 3108 break; 3109 case IEEE80211_IOC_AMSDU_LIMIT: 3110 /* XXX validate */ 3111 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 3112 break; 3113 case IEEE80211_IOC_PUREN: 3114 if (ireq->i_val) { 3115 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3116 return EINVAL; 3117 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3118 } else 3119 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3120 /* NB: reset only if we're operating on an 11n channel */ 3121 if (isvapht(vap)) 3122 error = ERESTART; 3123 break; 3124 case IEEE80211_IOC_DOTH: 3125 if (ireq->i_val) { 3126 #if 0 3127 /* XXX no capability */ 3128 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3129 return EOPNOTSUPP; 3130 #endif 3131 vap->iv_flags |= IEEE80211_F_DOTH; 3132 } else 3133 vap->iv_flags &= ~IEEE80211_F_DOTH; 3134 error = ENETRESET; 3135 break; 3136 case IEEE80211_IOC_REGDOMAIN: 3137 error = ieee80211_ioctl_setregdomain(vap, ireq); 3138 break; 3139 case IEEE80211_IOC_ROAM: 3140 error = ieee80211_ioctl_setroam(vap, ireq); 3141 break; 3142 case IEEE80211_IOC_TXPARAMS: 3143 error = ieee80211_ioctl_settxparams(vap, ireq); 3144 break; 3145 case IEEE80211_IOC_HTCOMPAT: 3146 if (ireq->i_val) { 3147 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3148 return EOPNOTSUPP; 3149 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3150 } else 3151 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 3152 /* NB: reset only if we're operating on an 11n channel */ 3153 if (isvapht(vap)) 3154 error = ERESTART; 3155 break; 3156 case IEEE80211_IOC_DWDS: 3157 if (ireq->i_val) { 3158 /* NB: DWDS only makes sense for WDS-capable devices */ 3159 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3160 return EOPNOTSUPP; 3161 /* NB: DWDS is used only with ap+sta vaps */ 3162 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3163 vap->iv_opmode != IEEE80211_M_STA) 3164 return EINVAL; 3165 vap->iv_flags |= IEEE80211_F_DWDS; 3166 if (vap->iv_opmode == IEEE80211_M_STA) 3167 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3168 } else { 3169 vap->iv_flags &= ~IEEE80211_F_DWDS; 3170 if (vap->iv_opmode == IEEE80211_M_STA) 3171 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3172 } 3173 break; 3174 case IEEE80211_IOC_INACTIVITY: 3175 if (ireq->i_val) 3176 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3177 else 3178 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3179 break; 3180 case IEEE80211_IOC_APPIE: 3181 error = ieee80211_ioctl_setappie(vap, ireq); 3182 break; 3183 case IEEE80211_IOC_WPS: 3184 if (ireq->i_val) { 3185 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3186 return EOPNOTSUPP; 3187 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3188 } else 3189 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3190 break; 3191 case IEEE80211_IOC_TSN: 3192 if (ireq->i_val) { 3193 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3194 return EOPNOTSUPP; 3195 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3196 } else 3197 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3198 break; 3199 case IEEE80211_IOC_CHANSWITCH: 3200 error = ieee80211_ioctl_chanswitch(vap, ireq); 3201 break; 3202 case IEEE80211_IOC_DFS: 3203 if (ireq->i_val) { 3204 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3205 return EOPNOTSUPP; 3206 /* NB: DFS requires 11h support */ 3207 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3208 return EINVAL; 3209 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3210 } else 3211 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3212 break; 3213 case IEEE80211_IOC_DOTD: 3214 if (ireq->i_val) 3215 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3216 else 3217 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3218 if (vap->iv_opmode == IEEE80211_M_STA) 3219 error = ENETRESET; 3220 break; 3221 case IEEE80211_IOC_HTPROTMODE: 3222 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3223 return EINVAL; 3224 ic->ic_htprotmode = ireq->i_val ? 3225 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3226 /* NB: if not operating in 11n this can wait */ 3227 if (isvapht(vap)) 3228 error = ERESTART; 3229 break; 3230 case IEEE80211_IOC_STA_VLAN: 3231 error = ieee80211_ioctl_setstavlan(vap, ireq); 3232 break; 3233 case IEEE80211_IOC_SMPS: 3234 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3235 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3236 return EINVAL; 3237 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3238 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3239 return EOPNOTSUPP; 3240 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3241 ireq->i_val; 3242 /* NB: if not operating in 11n this can wait */ 3243 if (isvapht(vap)) 3244 error = ERESTART; 3245 break; 3246 case IEEE80211_IOC_RIFS: 3247 if (ireq->i_val != 0) { 3248 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3249 return EOPNOTSUPP; 3250 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3251 } else 3252 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3253 /* NB: if not operating in 11n this can wait */ 3254 if (isvapht(vap)) 3255 error = ERESTART; 3256 break; 3257 default: 3258 error = ieee80211_ioctl_setdefault(vap, ireq); 3259 break; 3260 } 3261 /* 3262 * The convention is that ENETRESET means an operation 3263 * requires a complete re-initialization of the device (e.g. 3264 * changing something that affects the association state). 3265 * ERESTART means the request may be handled with only a 3266 * reload of the hardware state. We hand ERESTART requests 3267 * to the iv_reset callback so the driver can decide. If 3268 * a device does not fillin iv_reset then it defaults to one 3269 * that returns ENETRESET. Otherwise a driver may return 3270 * ENETRESET (in which case a full reset will be done) or 3271 * 0 to mean there's no need to do anything (e.g. when the 3272 * change has no effect on the driver/device). 3273 */ 3274 if (error == ERESTART) 3275 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3276 vap->iv_reset(vap, ireq->i_type) : 0; 3277 if (error == ENETRESET) { 3278 /* XXX need to re-think AUTO handling */ 3279 if (IS_UP_AUTO(vap)) 3280 ieee80211_init(vap); 3281 error = 0; 3282 } 3283 return error; 3284 } 3285 3286 int 3287 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3288 { 3289 struct ieee80211vap *vap = ifp->if_softc; 3290 struct ieee80211com *ic = vap->iv_ic; 3291 int error = 0; 3292 struct ifreq *ifr; 3293 struct ifaddr *ifa; /* XXX */ 3294 3295 switch (cmd) { 3296 case SIOCSIFFLAGS: 3297 IEEE80211_LOCK(ic); 3298 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_PROMISC) 3299 ieee80211_promisc(vap, ifp->if_flags & IFF_PROMISC); 3300 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_ALLMULTI) 3301 ieee80211_allmulti(vap, ifp->if_flags & IFF_ALLMULTI); 3302 vap->iv_ifflags = ifp->if_flags; 3303 if (ifp->if_flags & IFF_UP) { 3304 /* 3305 * Bring ourself up unless we're already operational. 3306 * If we're the first vap and the parent is not up 3307 * then it will automatically be brought up as a 3308 * side-effect of bringing ourself up. 3309 */ 3310 if (vap->iv_state == IEEE80211_S_INIT) 3311 ieee80211_start_locked(vap); 3312 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 3313 /* 3314 * Stop ourself. If we are the last vap to be 3315 * marked down the parent will also be taken down. 3316 */ 3317 ieee80211_stop_locked(vap); 3318 } 3319 IEEE80211_UNLOCK(ic); 3320 /* Wait for parent ioctl handler if it was queued */ 3321 ieee80211_waitfor_parent(ic); 3322 break; 3323 case SIOCADDMULTI: 3324 case SIOCDELMULTI: 3325 ieee80211_runtask(ic, &ic->ic_mcast_task); 3326 break; 3327 case SIOCSIFMEDIA: 3328 case SIOCGIFMEDIA: 3329 ifr = (struct ifreq *)data; 3330 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3331 break; 3332 case SIOCG80211: 3333 error = ieee80211_ioctl_get80211(vap, cmd, 3334 (struct ieee80211req *) data); 3335 break; 3336 case SIOCS80211: 3337 error = priv_check(curthread, PRIV_NET80211_MANAGE); 3338 if (error == 0) 3339 error = ieee80211_ioctl_set80211(vap, cmd, 3340 (struct ieee80211req *) data); 3341 break; 3342 case SIOCG80211STATS: 3343 ifr = (struct ifreq *)data; 3344 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats)); 3345 break; 3346 case SIOCSIFMTU: 3347 ifr = (struct ifreq *)data; 3348 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3349 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3350 error = EINVAL; 3351 else 3352 ifp->if_mtu = ifr->ifr_mtu; 3353 break; 3354 case SIOCSIFADDR: 3355 /* 3356 * XXX Handle this directly so we can supress if_init calls. 3357 * XXX This should be done in ether_ioctl but for the moment 3358 * XXX there are too many other parts of the system that 3359 * XXX set IFF_UP and so supress if_init being called when 3360 * XXX it should be. 3361 */ 3362 ifa = (struct ifaddr *) data; 3363 switch (ifa->ifa_addr->sa_family) { 3364 #ifdef INET 3365 case AF_INET: 3366 if ((ifp->if_flags & IFF_UP) == 0) { 3367 ifp->if_flags |= IFF_UP; 3368 ifp->if_init(ifp->if_softc); 3369 } 3370 arp_ifinit(ifp, ifa); 3371 break; 3372 #endif 3373 default: 3374 if ((ifp->if_flags & IFF_UP) == 0) { 3375 ifp->if_flags |= IFF_UP; 3376 ifp->if_init(ifp->if_softc); 3377 } 3378 break; 3379 } 3380 break; 3381 default: 3382 /* 3383 * Pass unknown ioctls first to the driver, and if it 3384 * returns ENOTTY, then to the generic Ethernet handler. 3385 */ 3386 if (ic->ic_ioctl != NULL && 3387 (error = ic->ic_ioctl(ic, cmd, data)) != ENOTTY) 3388 break; 3389 error = ether_ioctl(ifp, cmd, data); 3390 break; 3391 } 3392 return (error); 3393 } 3394