1 /*- 2 * Copyright (c) 2001 Atsushi Onoe 3 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 /* 31 * IEEE 802.11 ioctl support (FreeBSD-specific) 32 */ 33 34 #include "opt_inet.h" 35 #include "opt_wlan.h" 36 37 #include <sys/endian.h> 38 #include <sys/param.h> 39 #include <sys/kernel.h> 40 #include <sys/malloc.h> 41 #include <sys/priv.h> 42 #include <sys/socket.h> 43 #include <sys/sockio.h> 44 #include <sys/systm.h> 45 46 #include <net/if.h> 47 #include <net/if_var.h> 48 #include <net/if_dl.h> 49 #include <net/if_media.h> 50 #include <net/ethernet.h> 51 52 #ifdef INET 53 #include <netinet/in.h> 54 #include <netinet/if_ether.h> 55 #endif 56 57 #include <net80211/ieee80211_var.h> 58 #include <net80211/ieee80211_ioctl.h> 59 #include <net80211/ieee80211_regdomain.h> 60 #include <net80211/ieee80211_input.h> 61 62 #define IS_UP_AUTO(_vap) \ 63 (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \ 64 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO) 65 66 static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 67 static struct ieee80211_channel *findchannel(struct ieee80211com *, 68 int ieee, int mode); 69 static int ieee80211_scanreq(struct ieee80211vap *, 70 struct ieee80211_scan_req *); 71 72 static int 73 ieee80211_ioctl_getkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 74 { 75 struct ieee80211com *ic = vap->iv_ic; 76 struct ieee80211_node *ni; 77 struct ieee80211req_key ik; 78 struct ieee80211_key *wk; 79 const struct ieee80211_cipher *cip; 80 u_int kid; 81 int error; 82 83 if (ireq->i_len != sizeof(ik)) 84 return EINVAL; 85 error = copyin(ireq->i_data, &ik, sizeof(ik)); 86 if (error) 87 return error; 88 kid = ik.ik_keyix; 89 if (kid == IEEE80211_KEYIX_NONE) { 90 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr); 91 if (ni == NULL) 92 return ENOENT; 93 wk = &ni->ni_ucastkey; 94 } else { 95 if (kid >= IEEE80211_WEP_NKID) 96 return EINVAL; 97 wk = &vap->iv_nw_keys[kid]; 98 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr); 99 ni = NULL; 100 } 101 cip = wk->wk_cipher; 102 ik.ik_type = cip->ic_cipher; 103 ik.ik_keylen = wk->wk_keylen; 104 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 105 if (wk->wk_keyix == vap->iv_def_txkey) 106 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 107 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 108 /* NB: only root can read key data */ 109 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID]; 110 ik.ik_keytsc = wk->wk_keytsc; 111 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 112 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 113 memcpy(ik.ik_keydata+wk->wk_keylen, 114 wk->wk_key + IEEE80211_KEYBUF_SIZE, 115 IEEE80211_MICBUF_SIZE); 116 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 117 } 118 } else { 119 ik.ik_keyrsc = 0; 120 ik.ik_keytsc = 0; 121 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 122 } 123 if (ni != NULL) 124 ieee80211_free_node(ni); 125 return copyout(&ik, ireq->i_data, sizeof(ik)); 126 } 127 128 static int 129 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 130 { 131 struct ieee80211com *ic = vap->iv_ic; 132 133 if (sizeof(ic->ic_chan_active) < ireq->i_len) 134 ireq->i_len = sizeof(ic->ic_chan_active); 135 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); 136 } 137 138 static int 139 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 140 { 141 struct ieee80211com *ic = vap->iv_ic; 142 uint32_t space; 143 144 space = __offsetof(struct ieee80211req_chaninfo, 145 ic_chans[ic->ic_nchans]); 146 if (space > ireq->i_len) 147 space = ireq->i_len; 148 /* XXX assumes compatible layout */ 149 return copyout(&ic->ic_nchans, ireq->i_data, space); 150 } 151 152 static int 153 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap, 154 struct ieee80211req *ireq, int req) 155 { 156 struct ieee80211_node *ni; 157 struct ieee80211req_wpaie2 *wpaie; 158 int error; 159 160 if (ireq->i_len < IEEE80211_ADDR_LEN) 161 return EINVAL; 162 wpaie = IEEE80211_MALLOC(sizeof(*wpaie), M_TEMP, 163 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 164 if (wpaie == NULL) 165 return ENOMEM; 166 error = copyin(ireq->i_data, wpaie->wpa_macaddr, IEEE80211_ADDR_LEN); 167 if (error != 0) 168 goto bad; 169 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie->wpa_macaddr); 170 if (ni == NULL) { 171 error = ENOENT; 172 goto bad; 173 } 174 if (ni->ni_ies.wpa_ie != NULL) { 175 int ielen = ni->ni_ies.wpa_ie[1] + 2; 176 if (ielen > sizeof(wpaie->wpa_ie)) 177 ielen = sizeof(wpaie->wpa_ie); 178 memcpy(wpaie->wpa_ie, ni->ni_ies.wpa_ie, ielen); 179 } 180 if (req == IEEE80211_IOC_WPAIE2) { 181 if (ni->ni_ies.rsn_ie != NULL) { 182 int ielen = ni->ni_ies.rsn_ie[1] + 2; 183 if (ielen > sizeof(wpaie->rsn_ie)) 184 ielen = sizeof(wpaie->rsn_ie); 185 memcpy(wpaie->rsn_ie, ni->ni_ies.rsn_ie, ielen); 186 } 187 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2)) 188 ireq->i_len = sizeof(struct ieee80211req_wpaie2); 189 } else { 190 /* compatibility op, may overwrite wpa ie */ 191 /* XXX check ic_flags? */ 192 if (ni->ni_ies.rsn_ie != NULL) { 193 int ielen = ni->ni_ies.rsn_ie[1] + 2; 194 if (ielen > sizeof(wpaie->wpa_ie)) 195 ielen = sizeof(wpaie->wpa_ie); 196 memcpy(wpaie->wpa_ie, ni->ni_ies.rsn_ie, ielen); 197 } 198 if (ireq->i_len > sizeof(struct ieee80211req_wpaie)) 199 ireq->i_len = sizeof(struct ieee80211req_wpaie); 200 } 201 ieee80211_free_node(ni); 202 error = copyout(wpaie, ireq->i_data, ireq->i_len); 203 bad: 204 IEEE80211_FREE(wpaie, M_TEMP); 205 return error; 206 } 207 208 static int 209 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 210 { 211 struct ieee80211_node *ni; 212 uint8_t macaddr[IEEE80211_ADDR_LEN]; 213 const size_t off = __offsetof(struct ieee80211req_sta_stats, is_stats); 214 int error; 215 216 if (ireq->i_len < off) 217 return EINVAL; 218 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 219 if (error != 0) 220 return error; 221 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 222 if (ni == NULL) 223 return ENOENT; 224 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 225 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 226 /* NB: copy out only the statistics */ 227 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off, 228 ireq->i_len - off); 229 ieee80211_free_node(ni); 230 return error; 231 } 232 233 struct scanreq { 234 struct ieee80211req_scan_result *sr; 235 size_t space; 236 }; 237 238 static size_t 239 scan_space(const struct ieee80211_scan_entry *se, int *ielen) 240 { 241 size_t len; 242 243 *ielen = se->se_ies.len; 244 /* 245 * NB: ie's can be no more than 255 bytes and the max 802.11 246 * packet is <3Kbytes so we are sure this doesn't overflow 247 * 16-bits; if this is a concern we can drop the ie's. 248 */ 249 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + 250 se->se_meshid[1] + *ielen; 251 return roundup(len, sizeof(uint32_t)); 252 } 253 254 static void 255 get_scan_space(void *arg, const struct ieee80211_scan_entry *se) 256 { 257 struct scanreq *req = arg; 258 int ielen; 259 260 req->space += scan_space(se, &ielen); 261 } 262 263 static void 264 get_scan_result(void *arg, const struct ieee80211_scan_entry *se) 265 { 266 struct scanreq *req = arg; 267 struct ieee80211req_scan_result *sr; 268 int ielen, len, nr, nxr; 269 uint8_t *cp; 270 271 len = scan_space(se, &ielen); 272 if (len > req->space) 273 return; 274 275 sr = req->sr; 276 KASSERT(len <= 65535 && ielen <= 65535, 277 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen)); 278 sr->isr_len = len; 279 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result); 280 sr->isr_ie_len = ielen; 281 sr->isr_freq = se->se_chan->ic_freq; 282 sr->isr_flags = se->se_chan->ic_flags; 283 sr->isr_rssi = se->se_rssi; 284 sr->isr_noise = se->se_noise; 285 sr->isr_intval = se->se_intval; 286 sr->isr_capinfo = se->se_capinfo; 287 sr->isr_erp = se->se_erp; 288 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid); 289 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE); 290 memcpy(sr->isr_rates, se->se_rates+2, nr); 291 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr); 292 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr); 293 sr->isr_nrates = nr + nxr; 294 295 /* copy SSID */ 296 sr->isr_ssid_len = se->se_ssid[1]; 297 cp = ((uint8_t *)sr) + sr->isr_ie_off; 298 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len); 299 300 /* copy mesh id */ 301 cp += sr->isr_ssid_len; 302 sr->isr_meshid_len = se->se_meshid[1]; 303 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len); 304 cp += sr->isr_meshid_len; 305 306 if (ielen) 307 memcpy(cp, se->se_ies.data, ielen); 308 309 req->space -= len; 310 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len); 311 } 312 313 static int 314 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap, 315 struct ieee80211req *ireq) 316 { 317 struct scanreq req; 318 int error; 319 320 if (ireq->i_len < sizeof(struct scanreq)) 321 return EFAULT; 322 323 error = 0; 324 req.space = 0; 325 ieee80211_scan_iterate(vap, get_scan_space, &req); 326 if (req.space > ireq->i_len) 327 req.space = ireq->i_len; 328 if (req.space > 0) { 329 uint32_t space; 330 void *p; 331 332 space = req.space; 333 /* XXX M_WAITOK after driver lock released */ 334 p = IEEE80211_MALLOC(space, M_TEMP, 335 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 336 if (p == NULL) 337 return ENOMEM; 338 req.sr = p; 339 ieee80211_scan_iterate(vap, get_scan_result, &req); 340 ireq->i_len = space - req.space; 341 error = copyout(p, ireq->i_data, ireq->i_len); 342 IEEE80211_FREE(p, M_TEMP); 343 } else 344 ireq->i_len = 0; 345 346 return error; 347 } 348 349 struct stainforeq { 350 struct ieee80211vap *vap; 351 struct ieee80211req_sta_info *si; 352 size_t space; 353 }; 354 355 static size_t 356 sta_space(const struct ieee80211_node *ni, size_t *ielen) 357 { 358 *ielen = ni->ni_ies.len; 359 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, 360 sizeof(uint32_t)); 361 } 362 363 static void 364 get_sta_space(void *arg, struct ieee80211_node *ni) 365 { 366 struct stainforeq *req = arg; 367 size_t ielen; 368 369 if (req->vap != ni->ni_vap) 370 return; 371 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP && 372 ni->ni_associd == 0) /* only associated stations */ 373 return; 374 req->space += sta_space(ni, &ielen); 375 } 376 377 static void 378 get_sta_info(void *arg, struct ieee80211_node *ni) 379 { 380 struct stainforeq *req = arg; 381 struct ieee80211vap *vap = ni->ni_vap; 382 struct ieee80211req_sta_info *si; 383 size_t ielen, len; 384 uint8_t *cp; 385 386 if (req->vap != ni->ni_vap) 387 return; 388 if (vap->iv_opmode == IEEE80211_M_HOSTAP && 389 ni->ni_associd == 0) /* only associated stations */ 390 return; 391 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 392 return; 393 len = sta_space(ni, &ielen); 394 if (len > req->space) 395 return; 396 si = req->si; 397 si->isi_len = len; 398 si->isi_ie_off = sizeof(struct ieee80211req_sta_info); 399 si->isi_ie_len = ielen; 400 si->isi_freq = ni->ni_chan->ic_freq; 401 si->isi_flags = ni->ni_chan->ic_flags; 402 si->isi_state = ni->ni_flags; 403 si->isi_authmode = ni->ni_authmode; 404 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise); 405 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo); 406 si->isi_capinfo = ni->ni_capinfo; 407 si->isi_erp = ni->ni_erp; 408 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 409 si->isi_nrates = ni->ni_rates.rs_nrates; 410 if (si->isi_nrates > 15) 411 si->isi_nrates = 15; 412 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 413 si->isi_txrate = ni->ni_txrate; 414 if (si->isi_txrate & IEEE80211_RATE_MCS) { 415 const struct ieee80211_mcs_rates *mcs = 416 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS]; 417 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) { 418 if (ni->ni_flags & IEEE80211_NODE_SGI40) 419 si->isi_txmbps = mcs->ht40_rate_800ns; 420 else 421 si->isi_txmbps = mcs->ht40_rate_400ns; 422 } else { 423 if (ni->ni_flags & IEEE80211_NODE_SGI20) 424 si->isi_txmbps = mcs->ht20_rate_800ns; 425 else 426 si->isi_txmbps = mcs->ht20_rate_400ns; 427 } 428 } else 429 si->isi_txmbps = si->isi_txrate; 430 si->isi_associd = ni->ni_associd; 431 si->isi_txpower = ni->ni_txpower; 432 si->isi_vlan = ni->ni_vlan; 433 if (ni->ni_flags & IEEE80211_NODE_QOS) { 434 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 435 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 436 } else { 437 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID]; 438 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID]; 439 } 440 /* NB: leave all cases in case we relax ni_associd == 0 check */ 441 if (ieee80211_node_is_authorized(ni)) 442 si->isi_inact = vap->iv_inact_run; 443 else if (ni->ni_associd != 0 || 444 (vap->iv_opmode == IEEE80211_M_WDS && 445 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY))) 446 si->isi_inact = vap->iv_inact_auth; 447 else 448 si->isi_inact = vap->iv_inact_init; 449 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 450 si->isi_localid = ni->ni_mllid; 451 si->isi_peerid = ni->ni_mlpid; 452 si->isi_peerstate = ni->ni_mlstate; 453 454 if (ielen) { 455 cp = ((uint8_t *)si) + si->isi_ie_off; 456 memcpy(cp, ni->ni_ies.data, ielen); 457 } 458 459 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len); 460 req->space -= len; 461 } 462 463 static int 464 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq, 465 struct ieee80211_node *ni, size_t off) 466 { 467 struct ieee80211com *ic = vap->iv_ic; 468 struct stainforeq req; 469 size_t space; 470 void *p; 471 int error; 472 473 error = 0; 474 req.space = 0; 475 req.vap = vap; 476 if (ni == NULL) 477 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req); 478 else 479 get_sta_space(&req, ni); 480 if (req.space > ireq->i_len) 481 req.space = ireq->i_len; 482 if (req.space > 0) { 483 space = req.space; 484 /* XXX M_WAITOK after driver lock released */ 485 p = IEEE80211_MALLOC(space, M_TEMP, 486 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 487 if (p == NULL) { 488 error = ENOMEM; 489 goto bad; 490 } 491 req.si = p; 492 if (ni == NULL) 493 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req); 494 else 495 get_sta_info(&req, ni); 496 ireq->i_len = space - req.space; 497 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len); 498 IEEE80211_FREE(p, M_TEMP); 499 } else 500 ireq->i_len = 0; 501 bad: 502 if (ni != NULL) 503 ieee80211_free_node(ni); 504 return error; 505 } 506 507 static int 508 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 509 { 510 uint8_t macaddr[IEEE80211_ADDR_LEN]; 511 const size_t off = __offsetof(struct ieee80211req_sta_req, info); 512 struct ieee80211_node *ni; 513 int error; 514 515 if (ireq->i_len < sizeof(struct ieee80211req_sta_req)) 516 return EFAULT; 517 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 518 if (error != 0) 519 return error; 520 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) { 521 ni = NULL; 522 } else { 523 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 524 if (ni == NULL) 525 return ENOENT; 526 } 527 return getstainfo_common(vap, ireq, ni, off); 528 } 529 530 static int 531 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 532 { 533 struct ieee80211_node *ni; 534 struct ieee80211req_sta_txpow txpow; 535 int error; 536 537 if (ireq->i_len != sizeof(txpow)) 538 return EINVAL; 539 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 540 if (error != 0) 541 return error; 542 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 543 if (ni == NULL) 544 return ENOENT; 545 txpow.it_txpow = ni->ni_txpower; 546 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 547 ieee80211_free_node(ni); 548 return error; 549 } 550 551 static int 552 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 553 { 554 struct ieee80211com *ic = vap->iv_ic; 555 struct ieee80211_wme_state *wme = &ic->ic_wme; 556 struct wmeParams *wmep; 557 int ac; 558 559 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 560 return EINVAL; 561 562 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 563 if (ac >= WME_NUM_AC) 564 ac = WME_AC_BE; 565 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 566 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 567 else 568 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 569 switch (ireq->i_type) { 570 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 571 ireq->i_val = wmep->wmep_logcwmin; 572 break; 573 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 574 ireq->i_val = wmep->wmep_logcwmax; 575 break; 576 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 577 ireq->i_val = wmep->wmep_aifsn; 578 break; 579 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 580 ireq->i_val = wmep->wmep_txopLimit; 581 break; 582 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 583 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 584 ireq->i_val = wmep->wmep_acm; 585 break; 586 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 587 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 588 ireq->i_val = !wmep->wmep_noackPolicy; 589 break; 590 } 591 return 0; 592 } 593 594 static int 595 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 596 { 597 const struct ieee80211_aclator *acl = vap->iv_acl; 598 599 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq)); 600 } 601 602 static int 603 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq) 604 { 605 struct ieee80211com *ic = vap->iv_ic; 606 struct ieee80211_channel *c; 607 608 if (ireq->i_len != sizeof(struct ieee80211_channel)) 609 return EINVAL; 610 /* 611 * vap's may have different operating channels when HT is 612 * in use. When in RUN state report the vap-specific channel. 613 * Otherwise return curchan. 614 */ 615 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 616 c = vap->iv_bss->ni_chan; 617 else 618 c = ic->ic_curchan; 619 return copyout(c, ireq->i_data, sizeof(*c)); 620 } 621 622 static int 623 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq) 624 { 625 if (aie == NULL) 626 return EINVAL; 627 /* NB: truncate, caller can check length */ 628 if (ireq->i_len > aie->ie_len) 629 ireq->i_len = aie->ie_len; 630 return copyout(aie->ie_data, ireq->i_data, ireq->i_len); 631 } 632 633 static int 634 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq) 635 { 636 uint8_t fc0; 637 638 fc0 = ireq->i_val & 0xff; 639 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 640 return EINVAL; 641 /* NB: could check iv_opmode and reject but hardly worth the effort */ 642 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 643 case IEEE80211_FC0_SUBTYPE_BEACON: 644 return getappie(vap->iv_appie_beacon, ireq); 645 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 646 return getappie(vap->iv_appie_proberesp, ireq); 647 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 648 return getappie(vap->iv_appie_assocresp, ireq); 649 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 650 return getappie(vap->iv_appie_probereq, ireq); 651 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 652 return getappie(vap->iv_appie_assocreq, ireq); 653 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP: 654 return getappie(vap->iv_appie_wpa, ireq); 655 } 656 return EINVAL; 657 } 658 659 static int 660 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap, 661 const struct ieee80211req *ireq) 662 { 663 struct ieee80211com *ic = vap->iv_ic; 664 665 if (ireq->i_len != sizeof(ic->ic_regdomain)) 666 return EINVAL; 667 return copyout(&ic->ic_regdomain, ireq->i_data, 668 sizeof(ic->ic_regdomain)); 669 } 670 671 static int 672 ieee80211_ioctl_getroam(struct ieee80211vap *vap, 673 const struct ieee80211req *ireq) 674 { 675 size_t len = ireq->i_len; 676 /* NB: accept short requests for backwards compat */ 677 if (len > sizeof(vap->iv_roamparms)) 678 len = sizeof(vap->iv_roamparms); 679 return copyout(vap->iv_roamparms, ireq->i_data, len); 680 } 681 682 static int 683 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap, 684 const struct ieee80211req *ireq) 685 { 686 size_t len = ireq->i_len; 687 /* NB: accept short requests for backwards compat */ 688 if (len > sizeof(vap->iv_txparms)) 689 len = sizeof(vap->iv_txparms); 690 return copyout(vap->iv_txparms, ireq->i_data, len); 691 } 692 693 static int 694 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic, 695 const struct ieee80211req *ireq) 696 { 697 struct ieee80211_devcaps_req *dc; 698 struct ieee80211req_chaninfo *ci; 699 int maxchans, error; 700 701 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) / 702 sizeof(struct ieee80211_channel)); 703 /* NB: require 1 so we know ic_nchans is accessible */ 704 if (maxchans < 1) 705 return EINVAL; 706 /* constrain max request size, 2K channels is ~24Kbytes */ 707 if (maxchans > 2048) 708 maxchans = 2048; 709 dc = (struct ieee80211_devcaps_req *) 710 IEEE80211_MALLOC(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, 711 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 712 if (dc == NULL) 713 return ENOMEM; 714 dc->dc_drivercaps = ic->ic_caps; 715 dc->dc_cryptocaps = ic->ic_cryptocaps; 716 dc->dc_htcaps = ic->ic_htcaps; 717 ci = &dc->dc_chaninfo; 718 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans); 719 KASSERT(ci->ic_nchans <= maxchans, 720 ("nchans %d maxchans %d", ci->ic_nchans, maxchans)); 721 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans); 722 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc)); 723 IEEE80211_FREE(dc, M_TEMP); 724 return error; 725 } 726 727 static int 728 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 729 { 730 struct ieee80211_node *ni; 731 struct ieee80211req_sta_vlan vlan; 732 int error; 733 734 if (ireq->i_len != sizeof(vlan)) 735 return EINVAL; 736 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 737 if (error != 0) 738 return error; 739 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 740 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 741 vlan.sv_macaddr); 742 if (ni == NULL) 743 return ENOENT; 744 } else 745 ni = ieee80211_ref_node(vap->iv_bss); 746 vlan.sv_vlan = ni->ni_vlan; 747 error = copyout(&vlan, ireq->i_data, sizeof(vlan)); 748 ieee80211_free_node(ni); 749 return error; 750 } 751 752 /* 753 * Dummy ioctl get handler so the linker set is defined. 754 */ 755 static int 756 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq) 757 { 758 return ENOSYS; 759 } 760 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get); 761 762 static int 763 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 764 { 765 ieee80211_ioctl_getfunc * const *get; 766 int error; 767 768 SET_FOREACH(get, ieee80211_ioctl_getset) { 769 error = (*get)(vap, ireq); 770 if (error != ENOSYS) 771 return error; 772 } 773 return EINVAL; 774 } 775 776 static int 777 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd, 778 struct ieee80211req *ireq) 779 { 780 #define MS(_v, _f) (((_v) & _f) >> _f##_S) 781 struct ieee80211com *ic = vap->iv_ic; 782 u_int kid, len; 783 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 784 char tmpssid[IEEE80211_NWID_LEN]; 785 int error = 0; 786 787 switch (ireq->i_type) { 788 case IEEE80211_IOC_SSID: 789 switch (vap->iv_state) { 790 case IEEE80211_S_INIT: 791 case IEEE80211_S_SCAN: 792 ireq->i_len = vap->iv_des_ssid[0].len; 793 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); 794 break; 795 default: 796 ireq->i_len = vap->iv_bss->ni_esslen; 797 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); 798 break; 799 } 800 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 801 break; 802 case IEEE80211_IOC_NUMSSIDS: 803 ireq->i_val = 1; 804 break; 805 case IEEE80211_IOC_WEP: 806 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 807 ireq->i_val = IEEE80211_WEP_OFF; 808 else if (vap->iv_flags & IEEE80211_F_DROPUNENC) 809 ireq->i_val = IEEE80211_WEP_ON; 810 else 811 ireq->i_val = IEEE80211_WEP_MIXED; 812 break; 813 case IEEE80211_IOC_WEPKEY: 814 kid = (u_int) ireq->i_val; 815 if (kid >= IEEE80211_WEP_NKID) 816 return EINVAL; 817 len = (u_int) vap->iv_nw_keys[kid].wk_keylen; 818 /* NB: only root can read WEP keys */ 819 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 820 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); 821 } else { 822 bzero(tmpkey, len); 823 } 824 ireq->i_len = len; 825 error = copyout(tmpkey, ireq->i_data, len); 826 break; 827 case IEEE80211_IOC_NUMWEPKEYS: 828 ireq->i_val = IEEE80211_WEP_NKID; 829 break; 830 case IEEE80211_IOC_WEPTXKEY: 831 ireq->i_val = vap->iv_def_txkey; 832 break; 833 case IEEE80211_IOC_AUTHMODE: 834 if (vap->iv_flags & IEEE80211_F_WPA) 835 ireq->i_val = IEEE80211_AUTH_WPA; 836 else 837 ireq->i_val = vap->iv_bss->ni_authmode; 838 break; 839 case IEEE80211_IOC_CHANNEL: 840 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 841 break; 842 case IEEE80211_IOC_POWERSAVE: 843 if (vap->iv_flags & IEEE80211_F_PMGTON) 844 ireq->i_val = IEEE80211_POWERSAVE_ON; 845 else 846 ireq->i_val = IEEE80211_POWERSAVE_OFF; 847 break; 848 case IEEE80211_IOC_POWERSAVESLEEP: 849 ireq->i_val = ic->ic_lintval; 850 break; 851 case IEEE80211_IOC_RTSTHRESHOLD: 852 ireq->i_val = vap->iv_rtsthreshold; 853 break; 854 case IEEE80211_IOC_PROTMODE: 855 ireq->i_val = ic->ic_protmode; 856 break; 857 case IEEE80211_IOC_TXPOWER: 858 /* 859 * Tx power limit is the min of max regulatory 860 * power, any user-set limit, and the max the 861 * radio can do. 862 */ 863 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; 864 if (ireq->i_val > ic->ic_txpowlimit) 865 ireq->i_val = ic->ic_txpowlimit; 866 if (ireq->i_val > ic->ic_curchan->ic_maxpower) 867 ireq->i_val = ic->ic_curchan->ic_maxpower; 868 break; 869 case IEEE80211_IOC_WPA: 870 switch (vap->iv_flags & IEEE80211_F_WPA) { 871 case IEEE80211_F_WPA1: 872 ireq->i_val = 1; 873 break; 874 case IEEE80211_F_WPA2: 875 ireq->i_val = 2; 876 break; 877 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 878 ireq->i_val = 3; 879 break; 880 default: 881 ireq->i_val = 0; 882 break; 883 } 884 break; 885 case IEEE80211_IOC_CHANLIST: 886 error = ieee80211_ioctl_getchanlist(vap, ireq); 887 break; 888 case IEEE80211_IOC_ROAMING: 889 ireq->i_val = vap->iv_roaming; 890 break; 891 case IEEE80211_IOC_PRIVACY: 892 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; 893 break; 894 case IEEE80211_IOC_DROPUNENCRYPTED: 895 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; 896 break; 897 case IEEE80211_IOC_COUNTERMEASURES: 898 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; 899 break; 900 case IEEE80211_IOC_WME: 901 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; 902 break; 903 case IEEE80211_IOC_HIDESSID: 904 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; 905 break; 906 case IEEE80211_IOC_APBRIDGE: 907 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; 908 break; 909 case IEEE80211_IOC_WPAKEY: 910 error = ieee80211_ioctl_getkey(vap, ireq); 911 break; 912 case IEEE80211_IOC_CHANINFO: 913 error = ieee80211_ioctl_getchaninfo(vap, ireq); 914 break; 915 case IEEE80211_IOC_BSSID: 916 if (ireq->i_len != IEEE80211_ADDR_LEN) 917 return EINVAL; 918 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) { 919 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ? 920 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid, 921 ireq->i_data, ireq->i_len); 922 } else 923 error = copyout(vap->iv_des_bssid, ireq->i_data, 924 ireq->i_len); 925 break; 926 case IEEE80211_IOC_WPAIE: 927 case IEEE80211_IOC_WPAIE2: 928 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 929 break; 930 case IEEE80211_IOC_SCAN_RESULTS: 931 error = ieee80211_ioctl_getscanresults(vap, ireq); 932 break; 933 case IEEE80211_IOC_STA_STATS: 934 error = ieee80211_ioctl_getstastats(vap, ireq); 935 break; 936 case IEEE80211_IOC_TXPOWMAX: 937 ireq->i_val = vap->iv_bss->ni_txpower; 938 break; 939 case IEEE80211_IOC_STA_TXPOW: 940 error = ieee80211_ioctl_getstatxpow(vap, ireq); 941 break; 942 case IEEE80211_IOC_STA_INFO: 943 error = ieee80211_ioctl_getstainfo(vap, ireq); 944 break; 945 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 946 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 947 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 948 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 949 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 950 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 951 error = ieee80211_ioctl_getwmeparam(vap, ireq); 952 break; 953 case IEEE80211_IOC_DTIM_PERIOD: 954 ireq->i_val = vap->iv_dtim_period; 955 break; 956 case IEEE80211_IOC_BEACON_INTERVAL: 957 /* NB: get from ic_bss for station mode */ 958 ireq->i_val = vap->iv_bss->ni_intval; 959 break; 960 case IEEE80211_IOC_PUREG: 961 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; 962 break; 963 case IEEE80211_IOC_QUIET: 964 ireq->i_val = vap->iv_quiet; 965 break; 966 case IEEE80211_IOC_QUIET_COUNT: 967 ireq->i_val = vap->iv_quiet_count; 968 break; 969 case IEEE80211_IOC_QUIET_PERIOD: 970 ireq->i_val = vap->iv_quiet_period; 971 break; 972 case IEEE80211_IOC_QUIET_DUR: 973 ireq->i_val = vap->iv_quiet_duration; 974 break; 975 case IEEE80211_IOC_QUIET_OFFSET: 976 ireq->i_val = vap->iv_quiet_offset; 977 break; 978 case IEEE80211_IOC_BGSCAN: 979 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 980 break; 981 case IEEE80211_IOC_BGSCAN_IDLE: 982 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 983 break; 984 case IEEE80211_IOC_BGSCAN_INTERVAL: 985 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 986 break; 987 case IEEE80211_IOC_SCANVALID: 988 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 989 break; 990 case IEEE80211_IOC_FRAGTHRESHOLD: 991 ireq->i_val = vap->iv_fragthreshold; 992 break; 993 case IEEE80211_IOC_MACCMD: 994 error = ieee80211_ioctl_getmaccmd(vap, ireq); 995 break; 996 case IEEE80211_IOC_BURST: 997 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 998 break; 999 case IEEE80211_IOC_BMISSTHRESHOLD: 1000 ireq->i_val = vap->iv_bmissthreshold; 1001 break; 1002 case IEEE80211_IOC_CURCHAN: 1003 error = ieee80211_ioctl_getcurchan(vap, ireq); 1004 break; 1005 case IEEE80211_IOC_SHORTGI: 1006 ireq->i_val = 0; 1007 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) 1008 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 1009 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) 1010 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 1011 break; 1012 case IEEE80211_IOC_AMPDU: 1013 ireq->i_val = 0; 1014 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) 1015 ireq->i_val |= 1; 1016 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) 1017 ireq->i_val |= 2; 1018 break; 1019 case IEEE80211_IOC_AMPDU_LIMIT: 1020 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1021 ireq->i_val = vap->iv_ampdu_rxmax; 1022 else if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 1023 /* 1024 * XXX TODO: this isn't completely correct, as we've 1025 * negotiated the higher of the two. 1026 */ 1027 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1028 IEEE80211_HTCAP_MAXRXAMPDU); 1029 else 1030 ireq->i_val = vap->iv_ampdu_limit; 1031 break; 1032 case IEEE80211_IOC_AMPDU_DENSITY: 1033 if (vap->iv_opmode == IEEE80211_M_STA && 1034 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1035 /* 1036 * XXX TODO: this isn't completely correct, as we've 1037 * negotiated the higher of the two. 1038 */ 1039 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1040 IEEE80211_HTCAP_MPDUDENSITY); 1041 else 1042 ireq->i_val = vap->iv_ampdu_density; 1043 break; 1044 case IEEE80211_IOC_AMSDU: 1045 ireq->i_val = 0; 1046 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) 1047 ireq->i_val |= 1; 1048 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) 1049 ireq->i_val |= 2; 1050 break; 1051 case IEEE80211_IOC_AMSDU_LIMIT: 1052 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1053 break; 1054 case IEEE80211_IOC_PUREN: 1055 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; 1056 break; 1057 case IEEE80211_IOC_DOTH: 1058 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1059 break; 1060 case IEEE80211_IOC_REGDOMAIN: 1061 error = ieee80211_ioctl_getregdomain(vap, ireq); 1062 break; 1063 case IEEE80211_IOC_ROAM: 1064 error = ieee80211_ioctl_getroam(vap, ireq); 1065 break; 1066 case IEEE80211_IOC_TXPARAMS: 1067 error = ieee80211_ioctl_gettxparams(vap, ireq); 1068 break; 1069 case IEEE80211_IOC_HTCOMPAT: 1070 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; 1071 break; 1072 case IEEE80211_IOC_DWDS: 1073 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1074 break; 1075 case IEEE80211_IOC_INACTIVITY: 1076 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1077 break; 1078 case IEEE80211_IOC_APPIE: 1079 error = ieee80211_ioctl_getappie(vap, ireq); 1080 break; 1081 case IEEE80211_IOC_WPS: 1082 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1083 break; 1084 case IEEE80211_IOC_TSN: 1085 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1086 break; 1087 case IEEE80211_IOC_DFS: 1088 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1089 break; 1090 case IEEE80211_IOC_DOTD: 1091 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1092 break; 1093 case IEEE80211_IOC_DEVCAPS: 1094 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1095 break; 1096 case IEEE80211_IOC_HTPROTMODE: 1097 ireq->i_val = ic->ic_htprotmode; 1098 break; 1099 case IEEE80211_IOC_HTCONF: 1100 if (vap->iv_flags_ht & IEEE80211_FHT_HT) { 1101 ireq->i_val = 1; 1102 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) 1103 ireq->i_val |= 2; 1104 } else 1105 ireq->i_val = 0; 1106 break; 1107 case IEEE80211_IOC_STA_VLAN: 1108 error = ieee80211_ioctl_getstavlan(vap, ireq); 1109 break; 1110 case IEEE80211_IOC_SMPS: 1111 if (vap->iv_opmode == IEEE80211_M_STA && 1112 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) { 1113 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1114 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1115 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1116 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1117 else 1118 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1119 } else 1120 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1121 break; 1122 case IEEE80211_IOC_RIFS: 1123 if (vap->iv_opmode == IEEE80211_M_STA && 1124 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1125 ireq->i_val = 1126 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1127 else 1128 ireq->i_val = 1129 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; 1130 break; 1131 default: 1132 error = ieee80211_ioctl_getdefault(vap, ireq); 1133 break; 1134 } 1135 return error; 1136 #undef MS 1137 } 1138 1139 static int 1140 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1141 { 1142 struct ieee80211req_key ik; 1143 struct ieee80211_node *ni; 1144 struct ieee80211_key *wk; 1145 uint16_t kid; 1146 int error, i; 1147 1148 if (ireq->i_len != sizeof(ik)) 1149 return EINVAL; 1150 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1151 if (error) 1152 return error; 1153 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1154 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1155 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1156 return E2BIG; 1157 kid = ik.ik_keyix; 1158 if (kid == IEEE80211_KEYIX_NONE) { 1159 /* XXX unicast keys currently must be tx/rx */ 1160 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1161 return EINVAL; 1162 if (vap->iv_opmode == IEEE80211_M_STA) { 1163 ni = ieee80211_ref_node(vap->iv_bss); 1164 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1165 ieee80211_free_node(ni); 1166 return EADDRNOTAVAIL; 1167 } 1168 } else { 1169 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1170 ik.ik_macaddr); 1171 if (ni == NULL) 1172 return ENOENT; 1173 } 1174 wk = &ni->ni_ucastkey; 1175 } else { 1176 if (kid >= IEEE80211_WEP_NKID) 1177 return EINVAL; 1178 wk = &vap->iv_nw_keys[kid]; 1179 /* 1180 * Global slots start off w/o any assigned key index. 1181 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1182 */ 1183 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1184 wk->wk_keyix = kid; 1185 ni = NULL; 1186 } 1187 error = 0; 1188 ieee80211_key_update_begin(vap); 1189 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1190 wk->wk_keylen = ik.ik_keylen; 1191 /* NB: MIC presence is implied by cipher type */ 1192 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1193 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1194 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1195 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1196 wk->wk_keytsc = 0; /* new key, reset */ 1197 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1198 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1199 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1200 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1201 if (!ieee80211_crypto_setkey(vap, wk)) 1202 error = EIO; 1203 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1204 vap->iv_def_txkey = kid; 1205 } else 1206 error = ENXIO; 1207 ieee80211_key_update_end(vap); 1208 if (ni != NULL) 1209 ieee80211_free_node(ni); 1210 return error; 1211 } 1212 1213 static int 1214 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1215 { 1216 struct ieee80211req_del_key dk; 1217 int kid, error; 1218 1219 if (ireq->i_len != sizeof(dk)) 1220 return EINVAL; 1221 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1222 if (error) 1223 return error; 1224 kid = dk.idk_keyix; 1225 /* XXX uint8_t -> uint16_t */ 1226 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1227 struct ieee80211_node *ni; 1228 1229 if (vap->iv_opmode == IEEE80211_M_STA) { 1230 ni = ieee80211_ref_node(vap->iv_bss); 1231 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1232 ieee80211_free_node(ni); 1233 return EADDRNOTAVAIL; 1234 } 1235 } else { 1236 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1237 dk.idk_macaddr); 1238 if (ni == NULL) 1239 return ENOENT; 1240 } 1241 /* XXX error return */ 1242 ieee80211_node_delucastkey(ni); 1243 ieee80211_free_node(ni); 1244 } else { 1245 if (kid >= IEEE80211_WEP_NKID) 1246 return EINVAL; 1247 /* XXX error return */ 1248 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1249 } 1250 return 0; 1251 } 1252 1253 struct mlmeop { 1254 struct ieee80211vap *vap; 1255 int op; 1256 int reason; 1257 }; 1258 1259 static void 1260 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1261 int op, int reason) 1262 { 1263 #ifdef IEEE80211_DEBUG 1264 static const struct { 1265 int mask; 1266 const char *opstr; 1267 } ops[] = { 1268 { 0, "op#0" }, 1269 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1270 IEEE80211_MSG_ASSOC, "assoc" }, 1271 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1272 IEEE80211_MSG_ASSOC, "disassoc" }, 1273 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1274 IEEE80211_MSG_AUTH, "deauth" }, 1275 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1276 IEEE80211_MSG_AUTH, "authorize" }, 1277 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1278 IEEE80211_MSG_AUTH, "unauthorize" }, 1279 }; 1280 1281 if (op == IEEE80211_MLME_AUTH) { 1282 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1283 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1284 "station authenticate %s via MLME (reason: %d (%s))", 1285 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1286 reason, ieee80211_reason_to_string(reason)); 1287 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1288 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1289 "unknown MLME request %d (reason: %d (%s))", op, reason, 1290 ieee80211_reason_to_string(reason)); 1291 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1292 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1293 "station %s via MLME", ops[op].opstr); 1294 } else { 1295 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1296 "station %s via MLME (reason: %d (%s))", ops[op].opstr, 1297 reason, ieee80211_reason_to_string(reason)); 1298 } 1299 #endif /* IEEE80211_DEBUG */ 1300 } 1301 1302 static void 1303 domlme(void *arg, struct ieee80211_node *ni) 1304 { 1305 struct mlmeop *mop = arg; 1306 struct ieee80211vap *vap = ni->ni_vap; 1307 1308 if (vap != mop->vap) 1309 return; 1310 /* 1311 * NB: if ni_associd is zero then the node is already cleaned 1312 * up and we don't need to do this (we're safely holding a 1313 * reference but should otherwise not modify it's state). 1314 */ 1315 if (ni->ni_associd == 0) 1316 return; 1317 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1318 if (mop->op == IEEE80211_MLME_DEAUTH) { 1319 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1320 mop->reason); 1321 } else { 1322 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1323 mop->reason); 1324 } 1325 ieee80211_node_leave(ni); 1326 } 1327 1328 static int 1329 setmlme_dropsta(struct ieee80211vap *vap, 1330 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1331 { 1332 struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta; 1333 struct ieee80211_node *ni; 1334 int error = 0; 1335 1336 /* NB: the broadcast address means do 'em all */ 1337 if (!IEEE80211_ADDR_EQ(mac, vap->iv_ifp->if_broadcastaddr)) { 1338 IEEE80211_NODE_LOCK(nt); 1339 ni = ieee80211_find_node_locked(nt, mac); 1340 IEEE80211_NODE_UNLOCK(nt); 1341 /* 1342 * Don't do the node update inside the node 1343 * table lock. This unfortunately causes LORs 1344 * with drivers and their TX paths. 1345 */ 1346 if (ni != NULL) { 1347 domlme(mlmeop, ni); 1348 ieee80211_free_node(ni); 1349 } else 1350 error = ENOENT; 1351 } else { 1352 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1353 } 1354 return error; 1355 } 1356 1357 static int 1358 setmlme_common(struct ieee80211vap *vap, int op, 1359 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1360 { 1361 struct ieee80211com *ic = vap->iv_ic; 1362 struct ieee80211_node_table *nt = &ic->ic_sta; 1363 struct ieee80211_node *ni; 1364 struct mlmeop mlmeop; 1365 int error; 1366 1367 error = 0; 1368 switch (op) { 1369 case IEEE80211_MLME_DISASSOC: 1370 case IEEE80211_MLME_DEAUTH: 1371 switch (vap->iv_opmode) { 1372 case IEEE80211_M_STA: 1373 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1374 /* XXX not quite right */ 1375 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1376 break; 1377 case IEEE80211_M_HOSTAP: 1378 mlmeop.vap = vap; 1379 mlmeop.op = op; 1380 mlmeop.reason = reason; 1381 error = setmlme_dropsta(vap, mac, &mlmeop); 1382 break; 1383 case IEEE80211_M_WDS: 1384 /* XXX user app should send raw frame? */ 1385 if (op != IEEE80211_MLME_DEAUTH) { 1386 error = EINVAL; 1387 break; 1388 } 1389 #if 0 1390 /* XXX accept any address, simplifies user code */ 1391 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1392 error = EINVAL; 1393 break; 1394 } 1395 #endif 1396 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1397 ni = ieee80211_ref_node(vap->iv_bss); 1398 IEEE80211_SEND_MGMT(ni, 1399 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1400 ieee80211_free_node(ni); 1401 break; 1402 case IEEE80211_M_MBSS: 1403 IEEE80211_NODE_LOCK(nt); 1404 ni = ieee80211_find_node_locked(nt, mac); 1405 /* 1406 * Don't do the node update inside the node 1407 * table lock. This unfortunately causes LORs 1408 * with drivers and their TX paths. 1409 */ 1410 IEEE80211_NODE_UNLOCK(nt); 1411 if (ni != NULL) { 1412 ieee80211_node_leave(ni); 1413 ieee80211_free_node(ni); 1414 } else { 1415 error = ENOENT; 1416 } 1417 break; 1418 default: 1419 error = EINVAL; 1420 break; 1421 } 1422 break; 1423 case IEEE80211_MLME_AUTHORIZE: 1424 case IEEE80211_MLME_UNAUTHORIZE: 1425 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1426 vap->iv_opmode != IEEE80211_M_WDS) { 1427 error = EINVAL; 1428 break; 1429 } 1430 IEEE80211_NODE_LOCK(nt); 1431 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1432 /* 1433 * Don't do the node update inside the node 1434 * table lock. This unfortunately causes LORs 1435 * with drivers and their TX paths. 1436 */ 1437 IEEE80211_NODE_UNLOCK(nt); 1438 if (ni != NULL) { 1439 mlmedebug(vap, mac, op, reason); 1440 if (op == IEEE80211_MLME_AUTHORIZE) 1441 ieee80211_node_authorize(ni); 1442 else 1443 ieee80211_node_unauthorize(ni); 1444 ieee80211_free_node(ni); 1445 } else 1446 error = ENOENT; 1447 break; 1448 case IEEE80211_MLME_AUTH: 1449 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1450 error = EINVAL; 1451 break; 1452 } 1453 IEEE80211_NODE_LOCK(nt); 1454 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1455 /* 1456 * Don't do the node update inside the node 1457 * table lock. This unfortunately causes LORs 1458 * with drivers and their TX paths. 1459 */ 1460 IEEE80211_NODE_UNLOCK(nt); 1461 if (ni != NULL) { 1462 mlmedebug(vap, mac, op, reason); 1463 if (reason == IEEE80211_STATUS_SUCCESS) { 1464 IEEE80211_SEND_MGMT(ni, 1465 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1466 /* 1467 * For shared key auth, just continue the 1468 * exchange. Otherwise when 802.1x is not in 1469 * use mark the port authorized at this point 1470 * so traffic can flow. 1471 */ 1472 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1473 ni->ni_challenge == NULL) 1474 ieee80211_node_authorize(ni); 1475 } else { 1476 vap->iv_stats.is_rx_acl++; 1477 ieee80211_send_error(ni, ni->ni_macaddr, 1478 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1479 ieee80211_node_leave(ni); 1480 } 1481 ieee80211_free_node(ni); 1482 } else 1483 error = ENOENT; 1484 break; 1485 default: 1486 error = EINVAL; 1487 break; 1488 } 1489 return error; 1490 } 1491 1492 struct scanlookup { 1493 const uint8_t *mac; 1494 int esslen; 1495 const uint8_t *essid; 1496 const struct ieee80211_scan_entry *se; 1497 }; 1498 1499 /* 1500 * Match mac address and any ssid. 1501 */ 1502 static void 1503 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1504 { 1505 struct scanlookup *look = arg; 1506 1507 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1508 return; 1509 if (look->esslen != 0) { 1510 if (se->se_ssid[1] != look->esslen) 1511 return; 1512 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1513 return; 1514 } 1515 look->se = se; 1516 } 1517 1518 static int 1519 setmlme_assoc_sta(struct ieee80211vap *vap, 1520 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1521 const uint8_t ssid[IEEE80211_NWID_LEN]) 1522 { 1523 struct scanlookup lookup; 1524 1525 KASSERT(vap->iv_opmode == IEEE80211_M_STA, 1526 ("expected opmode STA not %s", 1527 ieee80211_opmode_name[vap->iv_opmode])); 1528 1529 /* NB: this is racey if roaming is !manual */ 1530 lookup.se = NULL; 1531 lookup.mac = mac; 1532 lookup.esslen = ssid_len; 1533 lookup.essid = ssid; 1534 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1535 if (lookup.se == NULL) 1536 return ENOENT; 1537 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1538 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1539 return EIO; /* XXX unique but could be better */ 1540 return 0; 1541 } 1542 1543 static int 1544 setmlme_assoc_adhoc(struct ieee80211vap *vap, 1545 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1546 const uint8_t ssid[IEEE80211_NWID_LEN]) 1547 { 1548 struct ieee80211_scan_req *sr; 1549 int error; 1550 1551 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS || 1552 vap->iv_opmode == IEEE80211_M_AHDEMO, 1553 ("expected opmode IBSS or AHDEMO not %s", 1554 ieee80211_opmode_name[vap->iv_opmode])); 1555 1556 if (ssid_len == 0) 1557 return EINVAL; 1558 1559 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 1560 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1561 if (sr == NULL) 1562 return ENOMEM; 1563 1564 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */ 1565 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 1566 vap->iv_des_ssid[0].len = ssid_len; 1567 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len); 1568 vap->iv_des_nssid = 1; 1569 1570 sr->sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE; 1571 sr->sr_duration = IEEE80211_IOC_SCAN_FOREVER; 1572 memcpy(sr->sr_ssid[0].ssid, ssid, ssid_len); 1573 sr->sr_ssid[0].len = ssid_len; 1574 sr->sr_nssid = 1; 1575 1576 error = ieee80211_scanreq(vap, sr); 1577 1578 IEEE80211_FREE(sr, M_TEMP); 1579 return error; 1580 } 1581 1582 static int 1583 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1584 { 1585 struct ieee80211req_mlme mlme; 1586 int error; 1587 1588 if (ireq->i_len != sizeof(mlme)) 1589 return EINVAL; 1590 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1591 if (error) 1592 return error; 1593 if (vap->iv_opmode == IEEE80211_M_STA && 1594 mlme.im_op == IEEE80211_MLME_ASSOC) 1595 return setmlme_assoc_sta(vap, mlme.im_macaddr, 1596 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1597 else if ((vap->iv_opmode == IEEE80211_M_IBSS || 1598 vap->iv_opmode == IEEE80211_M_AHDEMO) && 1599 mlme.im_op == IEEE80211_MLME_ASSOC) 1600 return setmlme_assoc_adhoc(vap, mlme.im_macaddr, 1601 mlme.im_ssid_len, mlme.im_ssid); 1602 else 1603 return setmlme_common(vap, mlme.im_op, 1604 mlme.im_macaddr, mlme.im_reason); 1605 } 1606 1607 static int 1608 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1609 { 1610 uint8_t mac[IEEE80211_ADDR_LEN]; 1611 const struct ieee80211_aclator *acl = vap->iv_acl; 1612 int error; 1613 1614 if (ireq->i_len != sizeof(mac)) 1615 return EINVAL; 1616 error = copyin(ireq->i_data, mac, ireq->i_len); 1617 if (error) 1618 return error; 1619 if (acl == NULL) { 1620 acl = ieee80211_aclator_get("mac"); 1621 if (acl == NULL || !acl->iac_attach(vap)) 1622 return EINVAL; 1623 vap->iv_acl = acl; 1624 } 1625 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1626 acl->iac_add(vap, mac); 1627 else 1628 acl->iac_remove(vap, mac); 1629 return 0; 1630 } 1631 1632 static int 1633 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1634 { 1635 const struct ieee80211_aclator *acl = vap->iv_acl; 1636 1637 switch (ireq->i_val) { 1638 case IEEE80211_MACCMD_POLICY_OPEN: 1639 case IEEE80211_MACCMD_POLICY_ALLOW: 1640 case IEEE80211_MACCMD_POLICY_DENY: 1641 case IEEE80211_MACCMD_POLICY_RADIUS: 1642 if (acl == NULL) { 1643 acl = ieee80211_aclator_get("mac"); 1644 if (acl == NULL || !acl->iac_attach(vap)) 1645 return EINVAL; 1646 vap->iv_acl = acl; 1647 } 1648 acl->iac_setpolicy(vap, ireq->i_val); 1649 break; 1650 case IEEE80211_MACCMD_FLUSH: 1651 if (acl != NULL) 1652 acl->iac_flush(vap); 1653 /* NB: silently ignore when not in use */ 1654 break; 1655 case IEEE80211_MACCMD_DETACH: 1656 if (acl != NULL) { 1657 vap->iv_acl = NULL; 1658 acl->iac_detach(vap); 1659 } 1660 break; 1661 default: 1662 if (acl == NULL) 1663 return EINVAL; 1664 else 1665 return acl->iac_setioctl(vap, ireq); 1666 } 1667 return 0; 1668 } 1669 1670 static int 1671 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1672 { 1673 struct ieee80211com *ic = vap->iv_ic; 1674 uint8_t *chanlist, *list; 1675 int i, nchan, maxchan, error; 1676 1677 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1678 ireq->i_len = sizeof(ic->ic_chan_active); 1679 list = IEEE80211_MALLOC(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1680 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1681 if (list == NULL) 1682 return ENOMEM; 1683 error = copyin(ireq->i_data, list, ireq->i_len); 1684 if (error) { 1685 IEEE80211_FREE(list, M_TEMP); 1686 return error; 1687 } 1688 nchan = 0; 1689 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1690 maxchan = ireq->i_len * NBBY; 1691 for (i = 0; i < ic->ic_nchans; i++) { 1692 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1693 /* 1694 * Calculate the intersection of the user list and the 1695 * available channels so users can do things like specify 1696 * 1-255 to get all available channels. 1697 */ 1698 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1699 setbit(chanlist, c->ic_ieee); 1700 nchan++; 1701 } 1702 } 1703 if (nchan == 0) { 1704 IEEE80211_FREE(list, M_TEMP); 1705 return EINVAL; 1706 } 1707 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1708 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1709 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1710 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1711 ieee80211_scan_flush(vap); 1712 IEEE80211_FREE(list, M_TEMP); 1713 return ENETRESET; 1714 } 1715 1716 static int 1717 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1718 { 1719 struct ieee80211_node *ni; 1720 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1721 int error; 1722 1723 /* 1724 * NB: we could copyin ieee80211req_sta_stats so apps 1725 * could make selective changes but that's overkill; 1726 * just clear all stats for now. 1727 */ 1728 if (ireq->i_len < IEEE80211_ADDR_LEN) 1729 return EINVAL; 1730 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1731 if (error != 0) 1732 return error; 1733 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1734 if (ni == NULL) 1735 return ENOENT; 1736 /* XXX require ni_vap == vap? */ 1737 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1738 ieee80211_free_node(ni); 1739 return 0; 1740 } 1741 1742 static int 1743 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1744 { 1745 struct ieee80211_node *ni; 1746 struct ieee80211req_sta_txpow txpow; 1747 int error; 1748 1749 if (ireq->i_len != sizeof(txpow)) 1750 return EINVAL; 1751 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1752 if (error != 0) 1753 return error; 1754 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1755 if (ni == NULL) 1756 return ENOENT; 1757 ni->ni_txpower = txpow.it_txpow; 1758 ieee80211_free_node(ni); 1759 return error; 1760 } 1761 1762 static int 1763 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1764 { 1765 struct ieee80211com *ic = vap->iv_ic; 1766 struct ieee80211_wme_state *wme = &ic->ic_wme; 1767 struct wmeParams *wmep, *chanp; 1768 int isbss, ac, aggrmode; 1769 1770 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1771 return EOPNOTSUPP; 1772 1773 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1774 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1775 aggrmode = (wme->wme_flags & WME_F_AGGRMODE); 1776 if (ac >= WME_NUM_AC) 1777 ac = WME_AC_BE; 1778 if (isbss) { 1779 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1780 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1781 } else { 1782 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1783 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1784 } 1785 switch (ireq->i_type) { 1786 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1787 wmep->wmep_logcwmin = ireq->i_val; 1788 if (!isbss || !aggrmode) 1789 chanp->wmep_logcwmin = ireq->i_val; 1790 break; 1791 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1792 wmep->wmep_logcwmax = ireq->i_val; 1793 if (!isbss || !aggrmode) 1794 chanp->wmep_logcwmax = ireq->i_val; 1795 break; 1796 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1797 wmep->wmep_aifsn = ireq->i_val; 1798 if (!isbss || !aggrmode) 1799 chanp->wmep_aifsn = ireq->i_val; 1800 break; 1801 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1802 wmep->wmep_txopLimit = ireq->i_val; 1803 if (!isbss || !aggrmode) 1804 chanp->wmep_txopLimit = ireq->i_val; 1805 break; 1806 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1807 wmep->wmep_acm = ireq->i_val; 1808 if (!aggrmode) 1809 chanp->wmep_acm = ireq->i_val; 1810 break; 1811 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1812 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1813 (ireq->i_val) == 0; 1814 break; 1815 } 1816 ieee80211_wme_updateparams(vap); 1817 return 0; 1818 } 1819 1820 static int 1821 find11gchannel(struct ieee80211com *ic, int start, int freq) 1822 { 1823 const struct ieee80211_channel *c; 1824 int i; 1825 1826 for (i = start+1; i < ic->ic_nchans; i++) { 1827 c = &ic->ic_channels[i]; 1828 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1829 return 1; 1830 } 1831 /* NB: should not be needed but in case things are mis-sorted */ 1832 for (i = 0; i < start; i++) { 1833 c = &ic->ic_channels[i]; 1834 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1835 return 1; 1836 } 1837 return 0; 1838 } 1839 1840 static struct ieee80211_channel * 1841 findchannel(struct ieee80211com *ic, int ieee, int mode) 1842 { 1843 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1844 [IEEE80211_MODE_AUTO] = 0, 1845 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1846 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1847 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1848 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1849 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1850 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1851 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1852 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1853 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1854 /* NB: handled specially below */ 1855 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1856 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1857 }; 1858 u_int modeflags; 1859 int i; 1860 1861 modeflags = chanflags[mode]; 1862 for (i = 0; i < ic->ic_nchans; i++) { 1863 struct ieee80211_channel *c = &ic->ic_channels[i]; 1864 1865 if (c->ic_ieee != ieee) 1866 continue; 1867 if (mode == IEEE80211_MODE_AUTO) { 1868 /* ignore turbo channels for autoselect */ 1869 if (IEEE80211_IS_CHAN_TURBO(c)) 1870 continue; 1871 /* 1872 * XXX special-case 11b/g channels so we 1873 * always select the g channel if both 1874 * are present. 1875 * XXX prefer HT to non-HT? 1876 */ 1877 if (!IEEE80211_IS_CHAN_B(c) || 1878 !find11gchannel(ic, i, c->ic_freq)) 1879 return c; 1880 } else { 1881 /* must check HT specially */ 1882 if ((mode == IEEE80211_MODE_11NA || 1883 mode == IEEE80211_MODE_11NG) && 1884 !IEEE80211_IS_CHAN_HT(c)) 1885 continue; 1886 if ((c->ic_flags & modeflags) == modeflags) 1887 return c; 1888 } 1889 } 1890 return NULL; 1891 } 1892 1893 /* 1894 * Check the specified against any desired mode (aka netband). 1895 * This is only used (presently) when operating in hostap mode 1896 * to enforce consistency. 1897 */ 1898 static int 1899 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1900 { 1901 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1902 1903 switch (mode) { 1904 case IEEE80211_MODE_11B: 1905 return (IEEE80211_IS_CHAN_B(c)); 1906 case IEEE80211_MODE_11G: 1907 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1908 case IEEE80211_MODE_11A: 1909 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1910 case IEEE80211_MODE_STURBO_A: 1911 return (IEEE80211_IS_CHAN_STURBO(c)); 1912 case IEEE80211_MODE_11NA: 1913 return (IEEE80211_IS_CHAN_HTA(c)); 1914 case IEEE80211_MODE_11NG: 1915 return (IEEE80211_IS_CHAN_HTG(c)); 1916 } 1917 return 1; 1918 1919 } 1920 1921 /* 1922 * Common code to set the current channel. If the device 1923 * is up and running this may result in an immediate channel 1924 * change or a kick of the state machine. 1925 */ 1926 static int 1927 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 1928 { 1929 struct ieee80211com *ic = vap->iv_ic; 1930 int error; 1931 1932 if (c != IEEE80211_CHAN_ANYC) { 1933 if (IEEE80211_IS_CHAN_RADAR(c)) 1934 return EBUSY; /* XXX better code? */ 1935 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 1936 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 1937 return EINVAL; 1938 if (!check_mode_consistency(c, vap->iv_des_mode)) 1939 return EINVAL; 1940 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 1941 if (IEEE80211_IS_CHAN_NOADHOC(c)) 1942 return EINVAL; 1943 } 1944 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) && 1945 vap->iv_bss->ni_chan == c) 1946 return 0; /* NB: nothing to do */ 1947 } 1948 vap->iv_des_chan = c; 1949 1950 error = 0; 1951 if (vap->iv_opmode == IEEE80211_M_MONITOR && 1952 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1953 /* 1954 * Monitor mode can switch directly. 1955 */ 1956 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 1957 /* XXX need state machine for other vap's to follow */ 1958 ieee80211_setcurchan(ic, vap->iv_des_chan); 1959 vap->iv_bss->ni_chan = ic->ic_curchan; 1960 } else 1961 ic->ic_curchan = vap->iv_des_chan; 1962 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1963 } else { 1964 /* 1965 * Need to go through the state machine in case we 1966 * need to reassociate or the like. The state machine 1967 * will pickup the desired channel and avoid scanning. 1968 */ 1969 if (IS_UP_AUTO(vap)) 1970 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 1971 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1972 /* 1973 * When not up+running and a real channel has 1974 * been specified fix the current channel so 1975 * there is immediate feedback; e.g. via ifconfig. 1976 */ 1977 ic->ic_curchan = vap->iv_des_chan; 1978 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1979 } 1980 } 1981 return error; 1982 } 1983 1984 /* 1985 * Old api for setting the current channel; this is 1986 * deprecated because channel numbers are ambiguous. 1987 */ 1988 static int 1989 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 1990 const struct ieee80211req *ireq) 1991 { 1992 struct ieee80211com *ic = vap->iv_ic; 1993 struct ieee80211_channel *c; 1994 1995 /* XXX 0xffff overflows 16-bit signed */ 1996 if (ireq->i_val == 0 || 1997 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 1998 c = IEEE80211_CHAN_ANYC; 1999 } else { 2000 struct ieee80211_channel *c2; 2001 2002 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 2003 if (c == NULL) { 2004 c = findchannel(ic, ireq->i_val, 2005 IEEE80211_MODE_AUTO); 2006 if (c == NULL) 2007 return EINVAL; 2008 } 2009 /* 2010 * Fine tune channel selection based on desired mode: 2011 * if 11b is requested, find the 11b version of any 2012 * 11g channel returned, 2013 * if static turbo, find the turbo version of any 2014 * 11a channel return, 2015 * if 11na is requested, find the ht version of any 2016 * 11a channel returned, 2017 * if 11ng is requested, find the ht version of any 2018 * 11g channel returned, 2019 * otherwise we should be ok with what we've got. 2020 */ 2021 switch (vap->iv_des_mode) { 2022 case IEEE80211_MODE_11B: 2023 if (IEEE80211_IS_CHAN_ANYG(c)) { 2024 c2 = findchannel(ic, ireq->i_val, 2025 IEEE80211_MODE_11B); 2026 /* NB: should not happen, =>'s 11g w/o 11b */ 2027 if (c2 != NULL) 2028 c = c2; 2029 } 2030 break; 2031 case IEEE80211_MODE_TURBO_A: 2032 if (IEEE80211_IS_CHAN_A(c)) { 2033 c2 = findchannel(ic, ireq->i_val, 2034 IEEE80211_MODE_TURBO_A); 2035 if (c2 != NULL) 2036 c = c2; 2037 } 2038 break; 2039 case IEEE80211_MODE_11NA: 2040 if (IEEE80211_IS_CHAN_A(c)) { 2041 c2 = findchannel(ic, ireq->i_val, 2042 IEEE80211_MODE_11NA); 2043 if (c2 != NULL) 2044 c = c2; 2045 } 2046 break; 2047 case IEEE80211_MODE_11NG: 2048 if (IEEE80211_IS_CHAN_ANYG(c)) { 2049 c2 = findchannel(ic, ireq->i_val, 2050 IEEE80211_MODE_11NG); 2051 if (c2 != NULL) 2052 c = c2; 2053 } 2054 break; 2055 default: /* NB: no static turboG */ 2056 break; 2057 } 2058 } 2059 return setcurchan(vap, c); 2060 } 2061 2062 /* 2063 * New/current api for setting the current channel; a complete 2064 * channel description is provide so there is no ambiguity in 2065 * identifying the channel. 2066 */ 2067 static int 2068 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 2069 const struct ieee80211req *ireq) 2070 { 2071 struct ieee80211com *ic = vap->iv_ic; 2072 struct ieee80211_channel chan, *c; 2073 int error; 2074 2075 if (ireq->i_len != sizeof(chan)) 2076 return EINVAL; 2077 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2078 if (error != 0) 2079 return error; 2080 /* XXX 0xffff overflows 16-bit signed */ 2081 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2082 c = IEEE80211_CHAN_ANYC; 2083 } else { 2084 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2085 if (c == NULL) 2086 return EINVAL; 2087 } 2088 return setcurchan(vap, c); 2089 } 2090 2091 static int 2092 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2093 const struct ieee80211req *ireq) 2094 { 2095 struct ieee80211_regdomain_req *reg; 2096 int nchans, error; 2097 2098 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2099 sizeof(struct ieee80211_channel)); 2100 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2101 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2102 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2103 ireq->i_len, nchans); 2104 return EINVAL; 2105 } 2106 reg = (struct ieee80211_regdomain_req *) 2107 IEEE80211_MALLOC(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, 2108 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2109 if (reg == NULL) { 2110 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2111 "%s: no memory, nchans %d\n", __func__, nchans); 2112 return ENOMEM; 2113 } 2114 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2115 if (error == 0) { 2116 /* NB: validate inline channel count against storage size */ 2117 if (reg->chaninfo.ic_nchans != nchans) { 2118 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2119 "%s: chan cnt mismatch, %d != %d\n", __func__, 2120 reg->chaninfo.ic_nchans, nchans); 2121 error = EINVAL; 2122 } else 2123 error = ieee80211_setregdomain(vap, reg); 2124 } 2125 IEEE80211_FREE(reg, M_TEMP); 2126 2127 return (error == 0 ? ENETRESET : error); 2128 } 2129 2130 static int 2131 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2132 const struct ieee80211req *ireq) 2133 { 2134 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2135 return EINVAL; 2136 /* XXX validate params */ 2137 /* XXX? ENETRESET to push to device? */ 2138 return copyin(ireq->i_data, vap->iv_roamparms, 2139 sizeof(vap->iv_roamparms)); 2140 } 2141 2142 static int 2143 checkrate(const struct ieee80211_rateset *rs, int rate) 2144 { 2145 int i; 2146 2147 if (rate == IEEE80211_FIXED_RATE_NONE) 2148 return 1; 2149 for (i = 0; i < rs->rs_nrates; i++) 2150 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2151 return 1; 2152 return 0; 2153 } 2154 2155 static int 2156 checkmcs(int mcs) 2157 { 2158 if (mcs == IEEE80211_FIXED_RATE_NONE) 2159 return 1; 2160 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2161 return 0; 2162 return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */ 2163 } 2164 2165 static int 2166 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2167 const struct ieee80211req *ireq) 2168 { 2169 struct ieee80211com *ic = vap->iv_ic; 2170 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2171 struct ieee80211_txparam *src, *dst; 2172 const struct ieee80211_rateset *rs; 2173 int error, mode, changed, is11n, nmodes; 2174 2175 /* NB: accept short requests for backwards compat */ 2176 if (ireq->i_len > sizeof(parms)) 2177 return EINVAL; 2178 error = copyin(ireq->i_data, &parms, ireq->i_len); 2179 if (error != 0) 2180 return error; 2181 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2182 changed = 0; 2183 /* validate parameters and check if anything changed */ 2184 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2185 if (isclr(ic->ic_modecaps, mode)) 2186 continue; 2187 src = &parms.params[mode]; 2188 dst = &vap->iv_txparms[mode]; 2189 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2190 is11n = (mode == IEEE80211_MODE_11NA || 2191 mode == IEEE80211_MODE_11NG); 2192 if (src->ucastrate != dst->ucastrate) { 2193 if (!checkrate(rs, src->ucastrate) && 2194 (!is11n || !checkmcs(src->ucastrate))) 2195 return EINVAL; 2196 changed++; 2197 } 2198 if (src->mcastrate != dst->mcastrate) { 2199 if (!checkrate(rs, src->mcastrate) && 2200 (!is11n || !checkmcs(src->mcastrate))) 2201 return EINVAL; 2202 changed++; 2203 } 2204 if (src->mgmtrate != dst->mgmtrate) { 2205 if (!checkrate(rs, src->mgmtrate) && 2206 (!is11n || !checkmcs(src->mgmtrate))) 2207 return EINVAL; 2208 changed++; 2209 } 2210 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2211 changed++; 2212 } 2213 if (changed) { 2214 /* 2215 * Copy new parameters in place and notify the 2216 * driver so it can push state to the device. 2217 */ 2218 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2219 if (isset(ic->ic_modecaps, mode)) 2220 vap->iv_txparms[mode] = parms.params[mode]; 2221 } 2222 /* XXX could be more intelligent, 2223 e.g. don't reset if setting not being used */ 2224 return ENETRESET; 2225 } 2226 return 0; 2227 } 2228 2229 /* 2230 * Application Information Element support. 2231 */ 2232 static int 2233 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2234 { 2235 struct ieee80211_appie *app = *aie; 2236 struct ieee80211_appie *napp; 2237 int error; 2238 2239 if (ireq->i_len == 0) { /* delete any existing ie */ 2240 if (app != NULL) { 2241 *aie = NULL; /* XXX racey */ 2242 IEEE80211_FREE(app, M_80211_NODE_IE); 2243 } 2244 return 0; 2245 } 2246 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2247 return EINVAL; 2248 /* 2249 * Allocate a new appie structure and copy in the user data. 2250 * When done swap in the new structure. Note that we do not 2251 * guard against users holding a ref to the old structure; 2252 * this must be handled outside this code. 2253 * 2254 * XXX bad bad bad 2255 */ 2256 napp = (struct ieee80211_appie *) IEEE80211_MALLOC( 2257 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, 2258 IEEE80211_M_NOWAIT); 2259 if (napp == NULL) 2260 return ENOMEM; 2261 /* XXX holding ic lock */ 2262 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2263 if (error) { 2264 IEEE80211_FREE(napp, M_80211_NODE_IE); 2265 return error; 2266 } 2267 napp->ie_len = ireq->i_len; 2268 *aie = napp; 2269 if (app != NULL) 2270 IEEE80211_FREE(app, M_80211_NODE_IE); 2271 return 0; 2272 } 2273 2274 static void 2275 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2276 { 2277 /* validate data is present as best we can */ 2278 if (space == 0 || 2+ie[1] > space) 2279 return; 2280 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2281 vap->iv_wpa_ie = ie; 2282 else if (ie[0] == IEEE80211_ELEMID_RSN) 2283 vap->iv_rsn_ie = ie; 2284 } 2285 2286 static int 2287 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2288 const struct ieee80211req *ireq, int fc0) 2289 { 2290 int error; 2291 2292 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2293 2294 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2295 case IEEE80211_FC0_SUBTYPE_BEACON: 2296 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2297 vap->iv_opmode != IEEE80211_M_IBSS) { 2298 error = EINVAL; 2299 break; 2300 } 2301 error = setappie(&vap->iv_appie_beacon, ireq); 2302 if (error == 0) 2303 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2304 break; 2305 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2306 error = setappie(&vap->iv_appie_proberesp, ireq); 2307 break; 2308 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2309 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2310 error = setappie(&vap->iv_appie_assocresp, ireq); 2311 else 2312 error = EINVAL; 2313 break; 2314 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2315 error = setappie(&vap->iv_appie_probereq, ireq); 2316 break; 2317 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2318 if (vap->iv_opmode == IEEE80211_M_STA) 2319 error = setappie(&vap->iv_appie_assocreq, ireq); 2320 else 2321 error = EINVAL; 2322 break; 2323 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2324 error = setappie(&vap->iv_appie_wpa, ireq); 2325 if (error == 0) { 2326 /* 2327 * Must split single blob of data into separate 2328 * WPA and RSN ie's because they go in different 2329 * locations in the mgt frames. 2330 * XXX use IEEE80211_IOC_WPA2 so user code does split 2331 */ 2332 vap->iv_wpa_ie = NULL; 2333 vap->iv_rsn_ie = NULL; 2334 if (vap->iv_appie_wpa != NULL) { 2335 struct ieee80211_appie *appie = 2336 vap->iv_appie_wpa; 2337 uint8_t *data = appie->ie_data; 2338 2339 /* XXX ie length validate is painful, cheat */ 2340 setwparsnie(vap, data, appie->ie_len); 2341 setwparsnie(vap, data + 2 + data[1], 2342 appie->ie_len - (2 + data[1])); 2343 } 2344 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2345 vap->iv_opmode == IEEE80211_M_IBSS) { 2346 /* 2347 * Must rebuild beacon frame as the update 2348 * mechanism doesn't handle WPA/RSN ie's. 2349 * Could extend it but it doesn't normally 2350 * change; this is just to deal with hostapd 2351 * plumbing the ie after the interface is up. 2352 */ 2353 error = ENETRESET; 2354 } 2355 } 2356 break; 2357 default: 2358 error = EINVAL; 2359 break; 2360 } 2361 return error; 2362 } 2363 2364 static int 2365 ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2366 const struct ieee80211req *ireq) 2367 { 2368 struct ieee80211com *ic = vap->iv_ic; 2369 int error; 2370 uint8_t fc0; 2371 2372 fc0 = ireq->i_val & 0xff; 2373 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2374 return EINVAL; 2375 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2376 IEEE80211_LOCK(ic); 2377 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2378 IEEE80211_UNLOCK(ic); 2379 return error; 2380 } 2381 2382 static int 2383 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2384 { 2385 struct ieee80211com *ic = vap->iv_ic; 2386 struct ieee80211_chanswitch_req csr; 2387 struct ieee80211_channel *c; 2388 int error; 2389 2390 if (ireq->i_len != sizeof(csr)) 2391 return EINVAL; 2392 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2393 if (error != 0) 2394 return error; 2395 /* XXX adhoc mode not supported */ 2396 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2397 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2398 return EOPNOTSUPP; 2399 c = ieee80211_find_channel(ic, 2400 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2401 if (c == NULL) 2402 return ENOENT; 2403 IEEE80211_LOCK(ic); 2404 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2405 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2406 else if (csr.csa_count == 0) 2407 ieee80211_csa_cancelswitch(ic); 2408 else 2409 error = EBUSY; 2410 IEEE80211_UNLOCK(ic); 2411 return error; 2412 } 2413 2414 static int 2415 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr) 2416 { 2417 #define IEEE80211_IOC_SCAN_FLAGS \ 2418 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2419 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2420 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2421 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2422 IEEE80211_IOC_SCAN_CHECK) 2423 struct ieee80211com *ic = vap->iv_ic; 2424 int error, i; 2425 2426 /* convert duration */ 2427 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2428 sr->sr_duration = IEEE80211_SCAN_FOREVER; 2429 else { 2430 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2431 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2432 return EINVAL; 2433 sr->sr_duration = msecs_to_ticks(sr->sr_duration); 2434 if (sr->sr_duration < 1) 2435 sr->sr_duration = 1; 2436 } 2437 /* convert min/max channel dwell */ 2438 if (sr->sr_mindwell != 0) { 2439 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell); 2440 if (sr->sr_mindwell < 1) 2441 sr->sr_mindwell = 1; 2442 } 2443 if (sr->sr_maxdwell != 0) { 2444 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell); 2445 if (sr->sr_maxdwell < 1) 2446 sr->sr_maxdwell = 1; 2447 } 2448 /* NB: silently reduce ssid count to what is supported */ 2449 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID) 2450 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID; 2451 for (i = 0; i < sr->sr_nssid; i++) 2452 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN) 2453 return EINVAL; 2454 /* cleanse flags just in case, could reject if invalid flags */ 2455 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2456 /* 2457 * Add an implicit NOPICK if the vap is not marked UP. This 2458 * allows applications to scan without joining a bss (or picking 2459 * a channel and setting up a bss) and without forcing manual 2460 * roaming mode--you just need to mark the parent device UP. 2461 */ 2462 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2463 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2464 2465 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2466 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2467 __func__, sr->sr_flags, 2468 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2469 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid); 2470 /* 2471 * If we are in INIT state then the driver has never had a chance 2472 * to setup hardware state to do a scan; we must use the state 2473 * machine to get us up to the SCAN state but once we reach SCAN 2474 * state we then want to use the supplied params. Stash the 2475 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2476 * state machines will recognize this and use the stashed params 2477 * to issue the scan request. 2478 * 2479 * Otherwise just invoke the scan machinery directly. 2480 */ 2481 IEEE80211_LOCK(ic); 2482 if (vap->iv_state == IEEE80211_S_INIT) { 2483 /* NB: clobbers previous settings */ 2484 vap->iv_scanreq_flags = sr->sr_flags; 2485 vap->iv_scanreq_duration = sr->sr_duration; 2486 vap->iv_scanreq_nssid = sr->sr_nssid; 2487 for (i = 0; i < sr->sr_nssid; i++) { 2488 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len; 2489 memcpy(vap->iv_scanreq_ssid[i].ssid, 2490 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len); 2491 } 2492 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2493 IEEE80211_UNLOCK(ic); 2494 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2495 } else { 2496 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2497 IEEE80211_UNLOCK(ic); 2498 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2499 error = ieee80211_check_scan(vap, sr->sr_flags, 2500 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2501 sr->sr_nssid, 2502 /* NB: cheat, we assume structures are compatible */ 2503 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2504 } else { 2505 error = ieee80211_start_scan(vap, sr->sr_flags, 2506 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2507 sr->sr_nssid, 2508 /* NB: cheat, we assume structures are compatible */ 2509 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2510 } 2511 if (error == 0) 2512 return EINPROGRESS; 2513 } 2514 return 0; 2515 #undef IEEE80211_IOC_SCAN_FLAGS 2516 } 2517 2518 static int 2519 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2520 { 2521 struct ieee80211_scan_req *sr; 2522 int error; 2523 2524 if (ireq->i_len != sizeof(*sr)) 2525 return EINVAL; 2526 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 2527 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2528 if (sr == NULL) 2529 return ENOMEM; 2530 error = copyin(ireq->i_data, sr, sizeof(*sr)); 2531 if (error != 0) 2532 goto bad; 2533 error = ieee80211_scanreq(vap, sr); 2534 bad: 2535 IEEE80211_FREE(sr, M_TEMP); 2536 return error; 2537 } 2538 2539 static int 2540 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2541 { 2542 struct ieee80211_node *ni; 2543 struct ieee80211req_sta_vlan vlan; 2544 int error; 2545 2546 if (ireq->i_len != sizeof(vlan)) 2547 return EINVAL; 2548 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2549 if (error != 0) 2550 return error; 2551 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2552 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2553 vlan.sv_macaddr); 2554 if (ni == NULL) 2555 return ENOENT; 2556 } else 2557 ni = ieee80211_ref_node(vap->iv_bss); 2558 ni->ni_vlan = vlan.sv_vlan; 2559 ieee80211_free_node(ni); 2560 return error; 2561 } 2562 2563 static int 2564 isvap11g(const struct ieee80211vap *vap) 2565 { 2566 const struct ieee80211_node *bss = vap->iv_bss; 2567 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2568 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2569 } 2570 2571 static int 2572 isvapht(const struct ieee80211vap *vap) 2573 { 2574 const struct ieee80211_node *bss = vap->iv_bss; 2575 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2576 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2577 } 2578 2579 /* 2580 * Dummy ioctl set handler so the linker set is defined. 2581 */ 2582 static int 2583 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2584 { 2585 return ENOSYS; 2586 } 2587 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2588 2589 static int 2590 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2591 { 2592 ieee80211_ioctl_setfunc * const *set; 2593 int error; 2594 2595 SET_FOREACH(set, ieee80211_ioctl_setset) { 2596 error = (*set)(vap, ireq); 2597 if (error != ENOSYS) 2598 return error; 2599 } 2600 return EINVAL; 2601 } 2602 2603 static int 2604 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2605 { 2606 struct ieee80211com *ic = vap->iv_ic; 2607 int error; 2608 const struct ieee80211_authenticator *auth; 2609 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2610 char tmpssid[IEEE80211_NWID_LEN]; 2611 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2612 struct ieee80211_key *k; 2613 u_int kid; 2614 uint32_t flags; 2615 2616 error = 0; 2617 switch (ireq->i_type) { 2618 case IEEE80211_IOC_SSID: 2619 if (ireq->i_val != 0 || 2620 ireq->i_len > IEEE80211_NWID_LEN) 2621 return EINVAL; 2622 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2623 if (error) 2624 break; 2625 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2626 vap->iv_des_ssid[0].len = ireq->i_len; 2627 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2628 vap->iv_des_nssid = (ireq->i_len > 0); 2629 error = ENETRESET; 2630 break; 2631 case IEEE80211_IOC_WEP: 2632 switch (ireq->i_val) { 2633 case IEEE80211_WEP_OFF: 2634 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2635 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2636 break; 2637 case IEEE80211_WEP_ON: 2638 vap->iv_flags |= IEEE80211_F_PRIVACY; 2639 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2640 break; 2641 case IEEE80211_WEP_MIXED: 2642 vap->iv_flags |= IEEE80211_F_PRIVACY; 2643 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2644 break; 2645 } 2646 error = ENETRESET; 2647 break; 2648 case IEEE80211_IOC_WEPKEY: 2649 kid = (u_int) ireq->i_val; 2650 if (kid >= IEEE80211_WEP_NKID) 2651 return EINVAL; 2652 k = &vap->iv_nw_keys[kid]; 2653 if (ireq->i_len == 0) { 2654 /* zero-len =>'s delete any existing key */ 2655 (void) ieee80211_crypto_delkey(vap, k); 2656 break; 2657 } 2658 if (ireq->i_len > sizeof(tmpkey)) 2659 return EINVAL; 2660 memset(tmpkey, 0, sizeof(tmpkey)); 2661 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2662 if (error) 2663 break; 2664 ieee80211_key_update_begin(vap); 2665 k->wk_keyix = kid; /* NB: force fixed key id */ 2666 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2667 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2668 k->wk_keylen = ireq->i_len; 2669 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2670 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2671 if (!ieee80211_crypto_setkey(vap, k)) 2672 error = EINVAL; 2673 } else 2674 error = EINVAL; 2675 ieee80211_key_update_end(vap); 2676 break; 2677 case IEEE80211_IOC_WEPTXKEY: 2678 kid = (u_int) ireq->i_val; 2679 if (kid >= IEEE80211_WEP_NKID && 2680 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2681 return EINVAL; 2682 vap->iv_def_txkey = kid; 2683 break; 2684 case IEEE80211_IOC_AUTHMODE: 2685 switch (ireq->i_val) { 2686 case IEEE80211_AUTH_WPA: 2687 case IEEE80211_AUTH_8021X: /* 802.1x */ 2688 case IEEE80211_AUTH_OPEN: /* open */ 2689 case IEEE80211_AUTH_SHARED: /* shared-key */ 2690 case IEEE80211_AUTH_AUTO: /* auto */ 2691 auth = ieee80211_authenticator_get(ireq->i_val); 2692 if (auth == NULL) 2693 return EINVAL; 2694 break; 2695 default: 2696 return EINVAL; 2697 } 2698 switch (ireq->i_val) { 2699 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2700 vap->iv_flags |= IEEE80211_F_PRIVACY; 2701 ireq->i_val = IEEE80211_AUTH_8021X; 2702 break; 2703 case IEEE80211_AUTH_OPEN: /* open */ 2704 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2705 break; 2706 case IEEE80211_AUTH_SHARED: /* shared-key */ 2707 case IEEE80211_AUTH_8021X: /* 802.1x */ 2708 vap->iv_flags &= ~IEEE80211_F_WPA; 2709 /* both require a key so mark the PRIVACY capability */ 2710 vap->iv_flags |= IEEE80211_F_PRIVACY; 2711 break; 2712 case IEEE80211_AUTH_AUTO: /* auto */ 2713 vap->iv_flags &= ~IEEE80211_F_WPA; 2714 /* XXX PRIVACY handling? */ 2715 /* XXX what's the right way to do this? */ 2716 break; 2717 } 2718 /* NB: authenticator attach/detach happens on state change */ 2719 vap->iv_bss->ni_authmode = ireq->i_val; 2720 /* XXX mixed/mode/usage? */ 2721 vap->iv_auth = auth; 2722 error = ENETRESET; 2723 break; 2724 case IEEE80211_IOC_CHANNEL: 2725 error = ieee80211_ioctl_setchannel(vap, ireq); 2726 break; 2727 case IEEE80211_IOC_POWERSAVE: 2728 switch (ireq->i_val) { 2729 case IEEE80211_POWERSAVE_OFF: 2730 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2731 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2732 error = ERESTART; 2733 } 2734 break; 2735 case IEEE80211_POWERSAVE_ON: 2736 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2737 error = EOPNOTSUPP; 2738 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2739 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2740 error = ERESTART; 2741 } 2742 break; 2743 default: 2744 error = EINVAL; 2745 break; 2746 } 2747 break; 2748 case IEEE80211_IOC_POWERSAVESLEEP: 2749 if (ireq->i_val < 0) 2750 return EINVAL; 2751 ic->ic_lintval = ireq->i_val; 2752 error = ERESTART; 2753 break; 2754 case IEEE80211_IOC_RTSTHRESHOLD: 2755 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2756 ireq->i_val <= IEEE80211_RTS_MAX)) 2757 return EINVAL; 2758 vap->iv_rtsthreshold = ireq->i_val; 2759 error = ERESTART; 2760 break; 2761 case IEEE80211_IOC_PROTMODE: 2762 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2763 return EINVAL; 2764 ic->ic_protmode = (enum ieee80211_protmode)ireq->i_val; 2765 /* NB: if not operating in 11g this can wait */ 2766 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2767 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2768 error = ERESTART; 2769 break; 2770 case IEEE80211_IOC_TXPOWER: 2771 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2772 return EOPNOTSUPP; 2773 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2774 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2775 return EINVAL; 2776 ic->ic_txpowlimit = ireq->i_val; 2777 error = ERESTART; 2778 break; 2779 case IEEE80211_IOC_ROAMING: 2780 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2781 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2782 return EINVAL; 2783 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val; 2784 /* XXXX reset? */ 2785 break; 2786 case IEEE80211_IOC_PRIVACY: 2787 if (ireq->i_val) { 2788 /* XXX check for key state? */ 2789 vap->iv_flags |= IEEE80211_F_PRIVACY; 2790 } else 2791 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2792 /* XXX ERESTART? */ 2793 break; 2794 case IEEE80211_IOC_DROPUNENCRYPTED: 2795 if (ireq->i_val) 2796 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2797 else 2798 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2799 /* XXX ERESTART? */ 2800 break; 2801 case IEEE80211_IOC_WPAKEY: 2802 error = ieee80211_ioctl_setkey(vap, ireq); 2803 break; 2804 case IEEE80211_IOC_DELKEY: 2805 error = ieee80211_ioctl_delkey(vap, ireq); 2806 break; 2807 case IEEE80211_IOC_MLME: 2808 error = ieee80211_ioctl_setmlme(vap, ireq); 2809 break; 2810 case IEEE80211_IOC_COUNTERMEASURES: 2811 if (ireq->i_val) { 2812 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2813 return EOPNOTSUPP; 2814 vap->iv_flags |= IEEE80211_F_COUNTERM; 2815 } else 2816 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2817 /* XXX ERESTART? */ 2818 break; 2819 case IEEE80211_IOC_WPA: 2820 if (ireq->i_val > 3) 2821 return EINVAL; 2822 /* XXX verify ciphers available */ 2823 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2824 switch (ireq->i_val) { 2825 case 0: 2826 /* wpa_supplicant calls this to clear the WPA config */ 2827 break; 2828 case 1: 2829 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2830 return EOPNOTSUPP; 2831 flags |= IEEE80211_F_WPA1; 2832 break; 2833 case 2: 2834 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2835 return EOPNOTSUPP; 2836 flags |= IEEE80211_F_WPA2; 2837 break; 2838 case 3: 2839 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2840 return EOPNOTSUPP; 2841 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2842 break; 2843 default: /* Can't set any -> error */ 2844 return EOPNOTSUPP; 2845 } 2846 vap->iv_flags = flags; 2847 error = ERESTART; /* NB: can change beacon frame */ 2848 break; 2849 case IEEE80211_IOC_WME: 2850 if (ireq->i_val) { 2851 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 2852 return EOPNOTSUPP; 2853 ieee80211_syncflag(vap, IEEE80211_F_WME); 2854 } else 2855 ieee80211_syncflag(vap, -IEEE80211_F_WME); 2856 error = ERESTART; /* NB: can change beacon frame */ 2857 break; 2858 case IEEE80211_IOC_HIDESSID: 2859 if (ireq->i_val) 2860 vap->iv_flags |= IEEE80211_F_HIDESSID; 2861 else 2862 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 2863 error = ERESTART; /* XXX ENETRESET? */ 2864 break; 2865 case IEEE80211_IOC_APBRIDGE: 2866 if (ireq->i_val == 0) 2867 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 2868 else 2869 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 2870 break; 2871 case IEEE80211_IOC_BSSID: 2872 if (ireq->i_len != sizeof(tmpbssid)) 2873 return EINVAL; 2874 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 2875 if (error) 2876 break; 2877 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 2878 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 2879 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 2880 else 2881 vap->iv_flags |= IEEE80211_F_DESBSSID; 2882 error = ENETRESET; 2883 break; 2884 case IEEE80211_IOC_CHANLIST: 2885 error = ieee80211_ioctl_setchanlist(vap, ireq); 2886 break; 2887 #define OLD_IEEE80211_IOC_SCAN_REQ 23 2888 #ifdef OLD_IEEE80211_IOC_SCAN_REQ 2889 case OLD_IEEE80211_IOC_SCAN_REQ: 2890 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2891 "%s: active scan request\n", __func__); 2892 /* 2893 * If we are in INIT state then the driver has never 2894 * had a chance to setup hardware state to do a scan; 2895 * use the state machine to get us up the SCAN state. 2896 * Otherwise just invoke the scan machinery to start 2897 * a one-time scan. 2898 */ 2899 if (vap->iv_state == IEEE80211_S_INIT) 2900 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2901 else 2902 (void) ieee80211_start_scan(vap, 2903 IEEE80211_SCAN_ACTIVE | 2904 IEEE80211_SCAN_NOPICK | 2905 IEEE80211_SCAN_ONCE, 2906 IEEE80211_SCAN_FOREVER, 0, 0, 2907 /* XXX use ioctl params */ 2908 vap->iv_des_nssid, vap->iv_des_ssid); 2909 break; 2910 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 2911 case IEEE80211_IOC_SCAN_REQ: 2912 error = ieee80211_ioctl_scanreq(vap, ireq); 2913 break; 2914 case IEEE80211_IOC_SCAN_CANCEL: 2915 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2916 "%s: cancel scan\n", __func__); 2917 ieee80211_cancel_scan(vap); 2918 break; 2919 case IEEE80211_IOC_HTCONF: 2920 if (ireq->i_val & 1) 2921 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 2922 else 2923 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 2924 if (ireq->i_val & 2) 2925 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 2926 else 2927 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 2928 error = ENETRESET; 2929 break; 2930 case IEEE80211_IOC_ADDMAC: 2931 case IEEE80211_IOC_DELMAC: 2932 error = ieee80211_ioctl_macmac(vap, ireq); 2933 break; 2934 case IEEE80211_IOC_MACCMD: 2935 error = ieee80211_ioctl_setmaccmd(vap, ireq); 2936 break; 2937 case IEEE80211_IOC_STA_STATS: 2938 error = ieee80211_ioctl_setstastats(vap, ireq); 2939 break; 2940 case IEEE80211_IOC_STA_TXPOW: 2941 error = ieee80211_ioctl_setstatxpow(vap, ireq); 2942 break; 2943 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 2944 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 2945 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 2946 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 2947 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 2948 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 2949 error = ieee80211_ioctl_setwmeparam(vap, ireq); 2950 break; 2951 case IEEE80211_IOC_DTIM_PERIOD: 2952 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2953 vap->iv_opmode != IEEE80211_M_MBSS && 2954 vap->iv_opmode != IEEE80211_M_IBSS) 2955 return EINVAL; 2956 if (IEEE80211_DTIM_MIN <= ireq->i_val && 2957 ireq->i_val <= IEEE80211_DTIM_MAX) { 2958 vap->iv_dtim_period = ireq->i_val; 2959 error = ENETRESET; /* requires restart */ 2960 } else 2961 error = EINVAL; 2962 break; 2963 case IEEE80211_IOC_BEACON_INTERVAL: 2964 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2965 vap->iv_opmode != IEEE80211_M_MBSS && 2966 vap->iv_opmode != IEEE80211_M_IBSS) 2967 return EINVAL; 2968 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 2969 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 2970 ic->ic_bintval = ireq->i_val; 2971 error = ENETRESET; /* requires restart */ 2972 } else 2973 error = EINVAL; 2974 break; 2975 case IEEE80211_IOC_PUREG: 2976 if (ireq->i_val) 2977 vap->iv_flags |= IEEE80211_F_PUREG; 2978 else 2979 vap->iv_flags &= ~IEEE80211_F_PUREG; 2980 /* NB: reset only if we're operating on an 11g channel */ 2981 if (isvap11g(vap)) 2982 error = ENETRESET; 2983 break; 2984 case IEEE80211_IOC_QUIET: 2985 vap->iv_quiet= ireq->i_val; 2986 break; 2987 case IEEE80211_IOC_QUIET_COUNT: 2988 vap->iv_quiet_count=ireq->i_val; 2989 break; 2990 case IEEE80211_IOC_QUIET_PERIOD: 2991 vap->iv_quiet_period=ireq->i_val; 2992 break; 2993 case IEEE80211_IOC_QUIET_OFFSET: 2994 vap->iv_quiet_offset=ireq->i_val; 2995 break; 2996 case IEEE80211_IOC_QUIET_DUR: 2997 if(ireq->i_val < vap->iv_bss->ni_intval) 2998 vap->iv_quiet_duration = ireq->i_val; 2999 else 3000 error = EINVAL; 3001 break; 3002 case IEEE80211_IOC_BGSCAN: 3003 if (ireq->i_val) { 3004 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 3005 return EOPNOTSUPP; 3006 vap->iv_flags |= IEEE80211_F_BGSCAN; 3007 } else 3008 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 3009 break; 3010 case IEEE80211_IOC_BGSCAN_IDLE: 3011 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 3012 vap->iv_bgscanidle = ireq->i_val*hz/1000; 3013 else 3014 error = EINVAL; 3015 break; 3016 case IEEE80211_IOC_BGSCAN_INTERVAL: 3017 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 3018 vap->iv_bgscanintvl = ireq->i_val*hz; 3019 else 3020 error = EINVAL; 3021 break; 3022 case IEEE80211_IOC_SCANVALID: 3023 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 3024 vap->iv_scanvalid = ireq->i_val*hz; 3025 else 3026 error = EINVAL; 3027 break; 3028 case IEEE80211_IOC_FRAGTHRESHOLD: 3029 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 3030 ireq->i_val != IEEE80211_FRAG_MAX) 3031 return EOPNOTSUPP; 3032 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 3033 ireq->i_val <= IEEE80211_FRAG_MAX)) 3034 return EINVAL; 3035 vap->iv_fragthreshold = ireq->i_val; 3036 error = ERESTART; 3037 break; 3038 case IEEE80211_IOC_BURST: 3039 if (ireq->i_val) { 3040 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 3041 return EOPNOTSUPP; 3042 ieee80211_syncflag(vap, IEEE80211_F_BURST); 3043 } else 3044 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 3045 error = ERESTART; 3046 break; 3047 case IEEE80211_IOC_BMISSTHRESHOLD: 3048 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 3049 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 3050 return EINVAL; 3051 vap->iv_bmissthreshold = ireq->i_val; 3052 error = ERESTART; 3053 break; 3054 case IEEE80211_IOC_CURCHAN: 3055 error = ieee80211_ioctl_setcurchan(vap, ireq); 3056 break; 3057 case IEEE80211_IOC_SHORTGI: 3058 if (ireq->i_val) { 3059 #define IEEE80211_HTCAP_SHORTGI \ 3060 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 3061 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 3062 return EINVAL; 3063 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 3064 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 3065 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 3066 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 3067 #undef IEEE80211_HTCAP_SHORTGI 3068 } else 3069 vap->iv_flags_ht &= 3070 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 3071 error = ERESTART; 3072 break; 3073 case IEEE80211_IOC_AMPDU: 3074 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 3075 return EINVAL; 3076 if (ireq->i_val & 1) 3077 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 3078 else 3079 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 3080 if (ireq->i_val & 2) 3081 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 3082 else 3083 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 3084 /* NB: reset only if we're operating on an 11n channel */ 3085 if (isvapht(vap)) 3086 error = ERESTART; 3087 break; 3088 case IEEE80211_IOC_AMPDU_LIMIT: 3089 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 3090 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 3091 return EINVAL; 3092 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 3093 vap->iv_ampdu_rxmax = ireq->i_val; 3094 else 3095 vap->iv_ampdu_limit = ireq->i_val; 3096 error = ERESTART; 3097 break; 3098 case IEEE80211_IOC_AMPDU_DENSITY: 3099 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 3100 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 3101 return EINVAL; 3102 vap->iv_ampdu_density = ireq->i_val; 3103 error = ERESTART; 3104 break; 3105 case IEEE80211_IOC_AMSDU: 3106 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 3107 return EINVAL; 3108 if (ireq->i_val & 1) 3109 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 3110 else 3111 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 3112 if (ireq->i_val & 2) 3113 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 3114 else 3115 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 3116 /* NB: reset only if we're operating on an 11n channel */ 3117 if (isvapht(vap)) 3118 error = ERESTART; 3119 break; 3120 case IEEE80211_IOC_AMSDU_LIMIT: 3121 /* XXX validate */ 3122 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 3123 break; 3124 case IEEE80211_IOC_PUREN: 3125 if (ireq->i_val) { 3126 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3127 return EINVAL; 3128 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3129 } else 3130 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3131 /* NB: reset only if we're operating on an 11n channel */ 3132 if (isvapht(vap)) 3133 error = ERESTART; 3134 break; 3135 case IEEE80211_IOC_DOTH: 3136 if (ireq->i_val) { 3137 #if 0 3138 /* XXX no capability */ 3139 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3140 return EOPNOTSUPP; 3141 #endif 3142 vap->iv_flags |= IEEE80211_F_DOTH; 3143 } else 3144 vap->iv_flags &= ~IEEE80211_F_DOTH; 3145 error = ENETRESET; 3146 break; 3147 case IEEE80211_IOC_REGDOMAIN: 3148 error = ieee80211_ioctl_setregdomain(vap, ireq); 3149 break; 3150 case IEEE80211_IOC_ROAM: 3151 error = ieee80211_ioctl_setroam(vap, ireq); 3152 break; 3153 case IEEE80211_IOC_TXPARAMS: 3154 error = ieee80211_ioctl_settxparams(vap, ireq); 3155 break; 3156 case IEEE80211_IOC_HTCOMPAT: 3157 if (ireq->i_val) { 3158 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3159 return EOPNOTSUPP; 3160 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3161 } else 3162 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 3163 /* NB: reset only if we're operating on an 11n channel */ 3164 if (isvapht(vap)) 3165 error = ERESTART; 3166 break; 3167 case IEEE80211_IOC_DWDS: 3168 if (ireq->i_val) { 3169 /* NB: DWDS only makes sense for WDS-capable devices */ 3170 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3171 return EOPNOTSUPP; 3172 /* NB: DWDS is used only with ap+sta vaps */ 3173 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3174 vap->iv_opmode != IEEE80211_M_STA) 3175 return EINVAL; 3176 vap->iv_flags |= IEEE80211_F_DWDS; 3177 if (vap->iv_opmode == IEEE80211_M_STA) 3178 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3179 } else { 3180 vap->iv_flags &= ~IEEE80211_F_DWDS; 3181 if (vap->iv_opmode == IEEE80211_M_STA) 3182 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3183 } 3184 break; 3185 case IEEE80211_IOC_INACTIVITY: 3186 if (ireq->i_val) 3187 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3188 else 3189 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3190 break; 3191 case IEEE80211_IOC_APPIE: 3192 error = ieee80211_ioctl_setappie(vap, ireq); 3193 break; 3194 case IEEE80211_IOC_WPS: 3195 if (ireq->i_val) { 3196 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3197 return EOPNOTSUPP; 3198 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3199 } else 3200 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3201 break; 3202 case IEEE80211_IOC_TSN: 3203 if (ireq->i_val) { 3204 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3205 return EOPNOTSUPP; 3206 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3207 } else 3208 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3209 break; 3210 case IEEE80211_IOC_CHANSWITCH: 3211 error = ieee80211_ioctl_chanswitch(vap, ireq); 3212 break; 3213 case IEEE80211_IOC_DFS: 3214 if (ireq->i_val) { 3215 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3216 return EOPNOTSUPP; 3217 /* NB: DFS requires 11h support */ 3218 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3219 return EINVAL; 3220 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3221 } else 3222 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3223 break; 3224 case IEEE80211_IOC_DOTD: 3225 if (ireq->i_val) 3226 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3227 else 3228 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3229 if (vap->iv_opmode == IEEE80211_M_STA) 3230 error = ENETRESET; 3231 break; 3232 case IEEE80211_IOC_HTPROTMODE: 3233 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3234 return EINVAL; 3235 ic->ic_htprotmode = ireq->i_val ? 3236 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3237 /* NB: if not operating in 11n this can wait */ 3238 if (isvapht(vap)) 3239 error = ERESTART; 3240 break; 3241 case IEEE80211_IOC_STA_VLAN: 3242 error = ieee80211_ioctl_setstavlan(vap, ireq); 3243 break; 3244 case IEEE80211_IOC_SMPS: 3245 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3246 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3247 return EINVAL; 3248 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3249 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3250 return EOPNOTSUPP; 3251 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3252 ireq->i_val; 3253 /* NB: if not operating in 11n this can wait */ 3254 if (isvapht(vap)) 3255 error = ERESTART; 3256 break; 3257 case IEEE80211_IOC_RIFS: 3258 if (ireq->i_val != 0) { 3259 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3260 return EOPNOTSUPP; 3261 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3262 } else 3263 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3264 /* NB: if not operating in 11n this can wait */ 3265 if (isvapht(vap)) 3266 error = ERESTART; 3267 break; 3268 default: 3269 error = ieee80211_ioctl_setdefault(vap, ireq); 3270 break; 3271 } 3272 /* 3273 * The convention is that ENETRESET means an operation 3274 * requires a complete re-initialization of the device (e.g. 3275 * changing something that affects the association state). 3276 * ERESTART means the request may be handled with only a 3277 * reload of the hardware state. We hand ERESTART requests 3278 * to the iv_reset callback so the driver can decide. If 3279 * a device does not fillin iv_reset then it defaults to one 3280 * that returns ENETRESET. Otherwise a driver may return 3281 * ENETRESET (in which case a full reset will be done) or 3282 * 0 to mean there's no need to do anything (e.g. when the 3283 * change has no effect on the driver/device). 3284 */ 3285 if (error == ERESTART) 3286 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3287 vap->iv_reset(vap, ireq->i_type) : 0; 3288 if (error == ENETRESET) { 3289 /* XXX need to re-think AUTO handling */ 3290 if (IS_UP_AUTO(vap)) 3291 ieee80211_init(vap); 3292 error = 0; 3293 } 3294 return error; 3295 } 3296 3297 int 3298 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3299 { 3300 struct ieee80211vap *vap = ifp->if_softc; 3301 struct ieee80211com *ic = vap->iv_ic; 3302 int error = 0, wait = 0; 3303 struct ifreq *ifr; 3304 struct ifaddr *ifa; /* XXX */ 3305 3306 switch (cmd) { 3307 case SIOCSIFFLAGS: 3308 IEEE80211_LOCK(ic); 3309 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_PROMISC) 3310 ieee80211_promisc(vap, ifp->if_flags & IFF_PROMISC); 3311 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_ALLMULTI) 3312 ieee80211_allmulti(vap, ifp->if_flags & IFF_ALLMULTI); 3313 vap->iv_ifflags = ifp->if_flags; 3314 if (ifp->if_flags & IFF_UP) { 3315 /* 3316 * Bring ourself up unless we're already operational. 3317 * If we're the first vap and the parent is not up 3318 * then it will automatically be brought up as a 3319 * side-effect of bringing ourself up. 3320 */ 3321 if (vap->iv_state == IEEE80211_S_INIT) { 3322 if (ic->ic_nrunning == 0) 3323 wait = 1; 3324 ieee80211_start_locked(vap); 3325 } 3326 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 3327 /* 3328 * Stop ourself. If we are the last vap to be 3329 * marked down the parent will also be taken down. 3330 */ 3331 if (ic->ic_nrunning == 1) 3332 wait = 1; 3333 ieee80211_stop_locked(vap); 3334 } 3335 IEEE80211_UNLOCK(ic); 3336 /* Wait for parent ioctl handler if it was queued */ 3337 if (wait) 3338 ieee80211_waitfor_parent(ic); 3339 break; 3340 case SIOCADDMULTI: 3341 case SIOCDELMULTI: 3342 ieee80211_runtask(ic, &ic->ic_mcast_task); 3343 break; 3344 case SIOCSIFMEDIA: 3345 case SIOCGIFMEDIA: 3346 ifr = (struct ifreq *)data; 3347 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3348 break; 3349 case SIOCG80211: 3350 error = ieee80211_ioctl_get80211(vap, cmd, 3351 (struct ieee80211req *) data); 3352 break; 3353 case SIOCS80211: 3354 error = priv_check(curthread, PRIV_NET80211_MANAGE); 3355 if (error == 0) 3356 error = ieee80211_ioctl_set80211(vap, cmd, 3357 (struct ieee80211req *) data); 3358 break; 3359 case SIOCG80211STATS: 3360 ifr = (struct ifreq *)data; 3361 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats)); 3362 break; 3363 case SIOCSIFMTU: 3364 ifr = (struct ifreq *)data; 3365 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3366 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3367 error = EINVAL; 3368 else 3369 ifp->if_mtu = ifr->ifr_mtu; 3370 break; 3371 case SIOCSIFADDR: 3372 /* 3373 * XXX Handle this directly so we can supress if_init calls. 3374 * XXX This should be done in ether_ioctl but for the moment 3375 * XXX there are too many other parts of the system that 3376 * XXX set IFF_UP and so supress if_init being called when 3377 * XXX it should be. 3378 */ 3379 ifa = (struct ifaddr *) data; 3380 switch (ifa->ifa_addr->sa_family) { 3381 #ifdef INET 3382 case AF_INET: 3383 if ((ifp->if_flags & IFF_UP) == 0) { 3384 ifp->if_flags |= IFF_UP; 3385 ifp->if_init(ifp->if_softc); 3386 } 3387 arp_ifinit(ifp, ifa); 3388 break; 3389 #endif 3390 default: 3391 if ((ifp->if_flags & IFF_UP) == 0) { 3392 ifp->if_flags |= IFF_UP; 3393 ifp->if_init(ifp->if_softc); 3394 } 3395 break; 3396 } 3397 break; 3398 default: 3399 /* 3400 * Pass unknown ioctls first to the driver, and if it 3401 * returns ENOTTY, then to the generic Ethernet handler. 3402 */ 3403 if (ic->ic_ioctl != NULL && 3404 (error = ic->ic_ioctl(ic, cmd, data)) != ENOTTY) 3405 break; 3406 error = ether_ioctl(ifp, cmd, data); 3407 break; 3408 } 3409 return (error); 3410 } 3411