1 /*- 2 * Copyright (c) 2001 Atsushi Onoe 3 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 /* 31 * IEEE 802.11 ioctl support (FreeBSD-specific) 32 */ 33 34 #include "opt_inet.h" 35 #include "opt_wlan.h" 36 37 #include <sys/endian.h> 38 #include <sys/param.h> 39 #include <sys/kernel.h> 40 #include <sys/malloc.h> 41 #include <sys/priv.h> 42 #include <sys/socket.h> 43 #include <sys/sockio.h> 44 #include <sys/systm.h> 45 46 #include <net/if.h> 47 #include <net/if_var.h> 48 #include <net/if_dl.h> 49 #include <net/if_media.h> 50 #include <net/ethernet.h> 51 52 #ifdef INET 53 #include <netinet/in.h> 54 #include <netinet/if_ether.h> 55 #endif 56 57 #include <net80211/ieee80211_var.h> 58 #include <net80211/ieee80211_ioctl.h> 59 #include <net80211/ieee80211_regdomain.h> 60 #include <net80211/ieee80211_input.h> 61 62 #define IS_UP_AUTO(_vap) \ 63 (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \ 64 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO) 65 66 static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 67 static struct ieee80211_channel *findchannel(struct ieee80211com *, 68 int ieee, int mode); 69 static int ieee80211_scanreq(struct ieee80211vap *, 70 struct ieee80211_scan_req *); 71 72 static int 73 ieee80211_ioctl_getkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 74 { 75 struct ieee80211com *ic = vap->iv_ic; 76 struct ieee80211_node *ni; 77 struct ieee80211req_key ik; 78 struct ieee80211_key *wk; 79 const struct ieee80211_cipher *cip; 80 u_int kid; 81 int error; 82 83 if (ireq->i_len != sizeof(ik)) 84 return EINVAL; 85 error = copyin(ireq->i_data, &ik, sizeof(ik)); 86 if (error) 87 return error; 88 kid = ik.ik_keyix; 89 if (kid == IEEE80211_KEYIX_NONE) { 90 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr); 91 if (ni == NULL) 92 return ENOENT; 93 wk = &ni->ni_ucastkey; 94 } else { 95 if (kid >= IEEE80211_WEP_NKID) 96 return EINVAL; 97 wk = &vap->iv_nw_keys[kid]; 98 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr); 99 ni = NULL; 100 } 101 cip = wk->wk_cipher; 102 ik.ik_type = cip->ic_cipher; 103 ik.ik_keylen = wk->wk_keylen; 104 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 105 if (wk->wk_keyix == vap->iv_def_txkey) 106 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 107 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 108 /* NB: only root can read key data */ 109 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID]; 110 ik.ik_keytsc = wk->wk_keytsc; 111 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 112 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 113 memcpy(ik.ik_keydata+wk->wk_keylen, 114 wk->wk_key + IEEE80211_KEYBUF_SIZE, 115 IEEE80211_MICBUF_SIZE); 116 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 117 } 118 } else { 119 ik.ik_keyrsc = 0; 120 ik.ik_keytsc = 0; 121 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 122 } 123 if (ni != NULL) 124 ieee80211_free_node(ni); 125 return copyout(&ik, ireq->i_data, sizeof(ik)); 126 } 127 128 static int 129 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 130 { 131 struct ieee80211com *ic = vap->iv_ic; 132 133 if (sizeof(ic->ic_chan_active) < ireq->i_len) 134 ireq->i_len = sizeof(ic->ic_chan_active); 135 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); 136 } 137 138 static int 139 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 140 { 141 struct ieee80211com *ic = vap->iv_ic; 142 uint32_t space; 143 144 space = __offsetof(struct ieee80211req_chaninfo, 145 ic_chans[ic->ic_nchans]); 146 if (space > ireq->i_len) 147 space = ireq->i_len; 148 /* XXX assumes compatible layout */ 149 return copyout(&ic->ic_nchans, ireq->i_data, space); 150 } 151 152 static int 153 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap, 154 struct ieee80211req *ireq, int req) 155 { 156 struct ieee80211_node *ni; 157 struct ieee80211req_wpaie2 *wpaie; 158 int error; 159 160 if (ireq->i_len < IEEE80211_ADDR_LEN) 161 return EINVAL; 162 wpaie = IEEE80211_MALLOC(sizeof(*wpaie), M_TEMP, 163 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 164 if (wpaie == NULL) 165 return ENOMEM; 166 error = copyin(ireq->i_data, wpaie->wpa_macaddr, IEEE80211_ADDR_LEN); 167 if (error != 0) 168 goto bad; 169 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie->wpa_macaddr); 170 if (ni == NULL) { 171 error = ENOENT; 172 goto bad; 173 } 174 if (ni->ni_ies.wpa_ie != NULL) { 175 int ielen = ni->ni_ies.wpa_ie[1] + 2; 176 if (ielen > sizeof(wpaie->wpa_ie)) 177 ielen = sizeof(wpaie->wpa_ie); 178 memcpy(wpaie->wpa_ie, ni->ni_ies.wpa_ie, ielen); 179 } 180 if (req == IEEE80211_IOC_WPAIE2) { 181 if (ni->ni_ies.rsn_ie != NULL) { 182 int ielen = ni->ni_ies.rsn_ie[1] + 2; 183 if (ielen > sizeof(wpaie->rsn_ie)) 184 ielen = sizeof(wpaie->rsn_ie); 185 memcpy(wpaie->rsn_ie, ni->ni_ies.rsn_ie, ielen); 186 } 187 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2)) 188 ireq->i_len = sizeof(struct ieee80211req_wpaie2); 189 } else { 190 /* compatibility op, may overwrite wpa ie */ 191 /* XXX check ic_flags? */ 192 if (ni->ni_ies.rsn_ie != NULL) { 193 int ielen = ni->ni_ies.rsn_ie[1] + 2; 194 if (ielen > sizeof(wpaie->wpa_ie)) 195 ielen = sizeof(wpaie->wpa_ie); 196 memcpy(wpaie->wpa_ie, ni->ni_ies.rsn_ie, ielen); 197 } 198 if (ireq->i_len > sizeof(struct ieee80211req_wpaie)) 199 ireq->i_len = sizeof(struct ieee80211req_wpaie); 200 } 201 ieee80211_free_node(ni); 202 error = copyout(wpaie, ireq->i_data, ireq->i_len); 203 bad: 204 IEEE80211_FREE(wpaie, M_TEMP); 205 return error; 206 } 207 208 static int 209 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 210 { 211 struct ieee80211_node *ni; 212 uint8_t macaddr[IEEE80211_ADDR_LEN]; 213 const size_t off = __offsetof(struct ieee80211req_sta_stats, is_stats); 214 int error; 215 216 if (ireq->i_len < off) 217 return EINVAL; 218 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 219 if (error != 0) 220 return error; 221 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 222 if (ni == NULL) 223 return ENOENT; 224 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 225 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 226 /* NB: copy out only the statistics */ 227 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off, 228 ireq->i_len - off); 229 ieee80211_free_node(ni); 230 return error; 231 } 232 233 struct scanreq { 234 struct ieee80211req_scan_result *sr; 235 size_t space; 236 }; 237 238 static size_t 239 scan_space(const struct ieee80211_scan_entry *se, int *ielen) 240 { 241 size_t len; 242 243 *ielen = se->se_ies.len; 244 /* 245 * NB: ie's can be no more than 255 bytes and the max 802.11 246 * packet is <3Kbytes so we are sure this doesn't overflow 247 * 16-bits; if this is a concern we can drop the ie's. 248 */ 249 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + 250 se->se_meshid[1] + *ielen; 251 return roundup(len, sizeof(uint32_t)); 252 } 253 254 static void 255 get_scan_space(void *arg, const struct ieee80211_scan_entry *se) 256 { 257 struct scanreq *req = arg; 258 int ielen; 259 260 req->space += scan_space(se, &ielen); 261 } 262 263 static void 264 get_scan_result(void *arg, const struct ieee80211_scan_entry *se) 265 { 266 struct scanreq *req = arg; 267 struct ieee80211req_scan_result *sr; 268 int ielen, len, nr, nxr; 269 uint8_t *cp; 270 271 len = scan_space(se, &ielen); 272 if (len > req->space) 273 return; 274 275 sr = req->sr; 276 KASSERT(len <= 65535 && ielen <= 65535, 277 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen)); 278 sr->isr_len = len; 279 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result); 280 sr->isr_ie_len = ielen; 281 sr->isr_freq = se->se_chan->ic_freq; 282 sr->isr_flags = se->se_chan->ic_flags; 283 sr->isr_rssi = se->se_rssi; 284 sr->isr_noise = se->se_noise; 285 sr->isr_intval = se->se_intval; 286 sr->isr_capinfo = se->se_capinfo; 287 sr->isr_erp = se->se_erp; 288 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid); 289 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE); 290 memcpy(sr->isr_rates, se->se_rates+2, nr); 291 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr); 292 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr); 293 sr->isr_nrates = nr + nxr; 294 295 /* copy SSID */ 296 sr->isr_ssid_len = se->se_ssid[1]; 297 cp = ((uint8_t *)sr) + sr->isr_ie_off; 298 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len); 299 300 /* copy mesh id */ 301 cp += sr->isr_ssid_len; 302 sr->isr_meshid_len = se->se_meshid[1]; 303 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len); 304 cp += sr->isr_meshid_len; 305 306 if (ielen) 307 memcpy(cp, se->se_ies.data, ielen); 308 309 req->space -= len; 310 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len); 311 } 312 313 static int 314 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap, 315 struct ieee80211req *ireq) 316 { 317 struct scanreq req; 318 int error; 319 320 if (ireq->i_len < sizeof(struct scanreq)) 321 return EFAULT; 322 323 error = 0; 324 req.space = 0; 325 ieee80211_scan_iterate(vap, get_scan_space, &req); 326 if (req.space > ireq->i_len) 327 req.space = ireq->i_len; 328 if (req.space > 0) { 329 uint32_t space; 330 void *p; 331 332 space = req.space; 333 /* XXX M_WAITOK after driver lock released */ 334 p = IEEE80211_MALLOC(space, M_TEMP, 335 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 336 if (p == NULL) 337 return ENOMEM; 338 req.sr = p; 339 ieee80211_scan_iterate(vap, get_scan_result, &req); 340 ireq->i_len = space - req.space; 341 error = copyout(p, ireq->i_data, ireq->i_len); 342 IEEE80211_FREE(p, M_TEMP); 343 } else 344 ireq->i_len = 0; 345 346 return error; 347 } 348 349 struct stainforeq { 350 struct ieee80211req_sta_info *si; 351 size_t space; 352 }; 353 354 static size_t 355 sta_space(const struct ieee80211_node *ni, size_t *ielen) 356 { 357 *ielen = ni->ni_ies.len; 358 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, 359 sizeof(uint32_t)); 360 } 361 362 static void 363 get_sta_space(void *arg, struct ieee80211_node *ni) 364 { 365 struct stainforeq *req = arg; 366 size_t ielen; 367 368 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP && 369 ni->ni_associd == 0) /* only associated stations */ 370 return; 371 req->space += sta_space(ni, &ielen); 372 } 373 374 static void 375 get_sta_info(void *arg, struct ieee80211_node *ni) 376 { 377 struct stainforeq *req = arg; 378 struct ieee80211vap *vap = ni->ni_vap; 379 struct ieee80211req_sta_info *si; 380 size_t ielen, len; 381 uint8_t *cp; 382 383 if (vap->iv_opmode == IEEE80211_M_HOSTAP && 384 ni->ni_associd == 0) /* only associated stations */ 385 return; 386 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 387 return; 388 len = sta_space(ni, &ielen); 389 if (len > req->space) 390 return; 391 si = req->si; 392 si->isi_len = len; 393 si->isi_ie_off = sizeof(struct ieee80211req_sta_info); 394 si->isi_ie_len = ielen; 395 si->isi_freq = ni->ni_chan->ic_freq; 396 si->isi_flags = ni->ni_chan->ic_flags; 397 si->isi_state = ni->ni_flags; 398 si->isi_authmode = ni->ni_authmode; 399 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise); 400 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo); 401 si->isi_capinfo = ni->ni_capinfo; 402 si->isi_erp = ni->ni_erp; 403 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 404 si->isi_nrates = ni->ni_rates.rs_nrates; 405 if (si->isi_nrates > 15) 406 si->isi_nrates = 15; 407 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 408 si->isi_txrate = ni->ni_txrate; 409 if (si->isi_txrate & IEEE80211_RATE_MCS) { 410 const struct ieee80211_mcs_rates *mcs = 411 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS]; 412 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) { 413 if (ni->ni_flags & IEEE80211_NODE_SGI40) 414 si->isi_txmbps = mcs->ht40_rate_800ns; 415 else 416 si->isi_txmbps = mcs->ht40_rate_400ns; 417 } else { 418 if (ni->ni_flags & IEEE80211_NODE_SGI20) 419 si->isi_txmbps = mcs->ht20_rate_800ns; 420 else 421 si->isi_txmbps = mcs->ht20_rate_400ns; 422 } 423 } else 424 si->isi_txmbps = si->isi_txrate; 425 si->isi_associd = ni->ni_associd; 426 si->isi_txpower = ni->ni_txpower; 427 si->isi_vlan = ni->ni_vlan; 428 if (ni->ni_flags & IEEE80211_NODE_QOS) { 429 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 430 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 431 } else { 432 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID]; 433 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID]; 434 } 435 /* NB: leave all cases in case we relax ni_associd == 0 check */ 436 if (ieee80211_node_is_authorized(ni)) 437 si->isi_inact = vap->iv_inact_run; 438 else if (ni->ni_associd != 0 || 439 (vap->iv_opmode == IEEE80211_M_WDS && 440 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY))) 441 si->isi_inact = vap->iv_inact_auth; 442 else 443 si->isi_inact = vap->iv_inact_init; 444 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 445 si->isi_localid = ni->ni_mllid; 446 si->isi_peerid = ni->ni_mlpid; 447 si->isi_peerstate = ni->ni_mlstate; 448 449 if (ielen) { 450 cp = ((uint8_t *)si) + si->isi_ie_off; 451 memcpy(cp, ni->ni_ies.data, ielen); 452 } 453 454 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len); 455 req->space -= len; 456 } 457 458 static int 459 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq, 460 struct ieee80211_node *ni, size_t off) 461 { 462 struct ieee80211com *ic = vap->iv_ic; 463 struct stainforeq req; 464 size_t space; 465 void *p; 466 int error; 467 468 error = 0; 469 req.space = 0; 470 if (ni == NULL) { 471 ieee80211_iterate_nodes_vap(&ic->ic_sta, vap, get_sta_space, 472 &req); 473 } else 474 get_sta_space(&req, ni); 475 if (req.space > ireq->i_len) 476 req.space = ireq->i_len; 477 if (req.space > 0) { 478 space = req.space; 479 /* XXX M_WAITOK after driver lock released */ 480 p = IEEE80211_MALLOC(space, M_TEMP, 481 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 482 if (p == NULL) { 483 error = ENOMEM; 484 goto bad; 485 } 486 req.si = p; 487 if (ni == NULL) { 488 ieee80211_iterate_nodes_vap(&ic->ic_sta, vap, 489 get_sta_info, &req); 490 } else 491 get_sta_info(&req, ni); 492 ireq->i_len = space - req.space; 493 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len); 494 IEEE80211_FREE(p, M_TEMP); 495 } else 496 ireq->i_len = 0; 497 bad: 498 if (ni != NULL) 499 ieee80211_free_node(ni); 500 return error; 501 } 502 503 static int 504 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 505 { 506 uint8_t macaddr[IEEE80211_ADDR_LEN]; 507 const size_t off = __offsetof(struct ieee80211req_sta_req, info); 508 struct ieee80211_node *ni; 509 int error; 510 511 if (ireq->i_len < sizeof(struct ieee80211req_sta_req)) 512 return EFAULT; 513 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 514 if (error != 0) 515 return error; 516 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) { 517 ni = NULL; 518 } else { 519 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 520 if (ni == NULL) 521 return ENOENT; 522 } 523 return getstainfo_common(vap, ireq, ni, off); 524 } 525 526 static int 527 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 528 { 529 struct ieee80211_node *ni; 530 struct ieee80211req_sta_txpow txpow; 531 int error; 532 533 if (ireq->i_len != sizeof(txpow)) 534 return EINVAL; 535 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 536 if (error != 0) 537 return error; 538 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 539 if (ni == NULL) 540 return ENOENT; 541 txpow.it_txpow = ni->ni_txpower; 542 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 543 ieee80211_free_node(ni); 544 return error; 545 } 546 547 static int 548 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 549 { 550 struct ieee80211com *ic = vap->iv_ic; 551 struct ieee80211_wme_state *wme = &ic->ic_wme; 552 struct wmeParams *wmep; 553 int ac; 554 555 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 556 return EINVAL; 557 558 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 559 if (ac >= WME_NUM_AC) 560 ac = WME_AC_BE; 561 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 562 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 563 else 564 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 565 switch (ireq->i_type) { 566 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 567 ireq->i_val = wmep->wmep_logcwmin; 568 break; 569 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 570 ireq->i_val = wmep->wmep_logcwmax; 571 break; 572 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 573 ireq->i_val = wmep->wmep_aifsn; 574 break; 575 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 576 ireq->i_val = wmep->wmep_txopLimit; 577 break; 578 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 579 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 580 ireq->i_val = wmep->wmep_acm; 581 break; 582 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 583 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 584 ireq->i_val = !wmep->wmep_noackPolicy; 585 break; 586 } 587 return 0; 588 } 589 590 static int 591 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 592 { 593 const struct ieee80211_aclator *acl = vap->iv_acl; 594 595 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq)); 596 } 597 598 static int 599 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq) 600 { 601 struct ieee80211com *ic = vap->iv_ic; 602 struct ieee80211_channel *c; 603 604 if (ireq->i_len != sizeof(struct ieee80211_channel)) 605 return EINVAL; 606 /* 607 * vap's may have different operating channels when HT is 608 * in use. When in RUN state report the vap-specific channel. 609 * Otherwise return curchan. 610 */ 611 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 612 c = vap->iv_bss->ni_chan; 613 else 614 c = ic->ic_curchan; 615 return copyout(c, ireq->i_data, sizeof(*c)); 616 } 617 618 static int 619 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq) 620 { 621 if (aie == NULL) 622 return EINVAL; 623 /* NB: truncate, caller can check length */ 624 if (ireq->i_len > aie->ie_len) 625 ireq->i_len = aie->ie_len; 626 return copyout(aie->ie_data, ireq->i_data, ireq->i_len); 627 } 628 629 static int 630 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq) 631 { 632 uint8_t fc0; 633 634 fc0 = ireq->i_val & 0xff; 635 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 636 return EINVAL; 637 /* NB: could check iv_opmode and reject but hardly worth the effort */ 638 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 639 case IEEE80211_FC0_SUBTYPE_BEACON: 640 return getappie(vap->iv_appie_beacon, ireq); 641 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 642 return getappie(vap->iv_appie_proberesp, ireq); 643 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 644 return getappie(vap->iv_appie_assocresp, ireq); 645 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 646 return getappie(vap->iv_appie_probereq, ireq); 647 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 648 return getappie(vap->iv_appie_assocreq, ireq); 649 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP: 650 return getappie(vap->iv_appie_wpa, ireq); 651 } 652 return EINVAL; 653 } 654 655 static int 656 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap, 657 const struct ieee80211req *ireq) 658 { 659 struct ieee80211com *ic = vap->iv_ic; 660 661 if (ireq->i_len != sizeof(ic->ic_regdomain)) 662 return EINVAL; 663 return copyout(&ic->ic_regdomain, ireq->i_data, 664 sizeof(ic->ic_regdomain)); 665 } 666 667 static int 668 ieee80211_ioctl_getroam(struct ieee80211vap *vap, 669 const struct ieee80211req *ireq) 670 { 671 size_t len = ireq->i_len; 672 /* NB: accept short requests for backwards compat */ 673 if (len > sizeof(vap->iv_roamparms)) 674 len = sizeof(vap->iv_roamparms); 675 return copyout(vap->iv_roamparms, ireq->i_data, len); 676 } 677 678 static int 679 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap, 680 const struct ieee80211req *ireq) 681 { 682 size_t len = ireq->i_len; 683 /* NB: accept short requests for backwards compat */ 684 if (len > sizeof(vap->iv_txparms)) 685 len = sizeof(vap->iv_txparms); 686 return copyout(vap->iv_txparms, ireq->i_data, len); 687 } 688 689 static int 690 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic, 691 const struct ieee80211req *ireq) 692 { 693 struct ieee80211_devcaps_req *dc; 694 struct ieee80211req_chaninfo *ci; 695 int maxchans, error; 696 697 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) / 698 sizeof(struct ieee80211_channel)); 699 /* NB: require 1 so we know ic_nchans is accessible */ 700 if (maxchans < 1) 701 return EINVAL; 702 /* constrain max request size, 2K channels is ~24Kbytes */ 703 if (maxchans > 2048) 704 maxchans = 2048; 705 dc = (struct ieee80211_devcaps_req *) 706 IEEE80211_MALLOC(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, 707 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 708 if (dc == NULL) 709 return ENOMEM; 710 dc->dc_drivercaps = ic->ic_caps; 711 dc->dc_cryptocaps = ic->ic_cryptocaps; 712 dc->dc_htcaps = ic->ic_htcaps; 713 ci = &dc->dc_chaninfo; 714 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans); 715 KASSERT(ci->ic_nchans <= maxchans, 716 ("nchans %d maxchans %d", ci->ic_nchans, maxchans)); 717 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans); 718 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc)); 719 IEEE80211_FREE(dc, M_TEMP); 720 return error; 721 } 722 723 static int 724 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 725 { 726 struct ieee80211_node *ni; 727 struct ieee80211req_sta_vlan vlan; 728 int error; 729 730 if (ireq->i_len != sizeof(vlan)) 731 return EINVAL; 732 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 733 if (error != 0) 734 return error; 735 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 736 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 737 vlan.sv_macaddr); 738 if (ni == NULL) 739 return ENOENT; 740 } else 741 ni = ieee80211_ref_node(vap->iv_bss); 742 vlan.sv_vlan = ni->ni_vlan; 743 error = copyout(&vlan, ireq->i_data, sizeof(vlan)); 744 ieee80211_free_node(ni); 745 return error; 746 } 747 748 /* 749 * Dummy ioctl get handler so the linker set is defined. 750 */ 751 static int 752 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq) 753 { 754 return ENOSYS; 755 } 756 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get); 757 758 static int 759 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 760 { 761 ieee80211_ioctl_getfunc * const *get; 762 int error; 763 764 SET_FOREACH(get, ieee80211_ioctl_getset) { 765 error = (*get)(vap, ireq); 766 if (error != ENOSYS) 767 return error; 768 } 769 return EINVAL; 770 } 771 772 static int 773 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd, 774 struct ieee80211req *ireq) 775 { 776 #define MS(_v, _f) (((_v) & _f) >> _f##_S) 777 struct ieee80211com *ic = vap->iv_ic; 778 u_int kid, len; 779 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 780 char tmpssid[IEEE80211_NWID_LEN]; 781 int error = 0; 782 783 switch (ireq->i_type) { 784 case IEEE80211_IOC_SSID: 785 switch (vap->iv_state) { 786 case IEEE80211_S_INIT: 787 case IEEE80211_S_SCAN: 788 ireq->i_len = vap->iv_des_ssid[0].len; 789 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); 790 break; 791 default: 792 ireq->i_len = vap->iv_bss->ni_esslen; 793 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); 794 break; 795 } 796 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 797 break; 798 case IEEE80211_IOC_NUMSSIDS: 799 ireq->i_val = 1; 800 break; 801 case IEEE80211_IOC_WEP: 802 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 803 ireq->i_val = IEEE80211_WEP_OFF; 804 else if (vap->iv_flags & IEEE80211_F_DROPUNENC) 805 ireq->i_val = IEEE80211_WEP_ON; 806 else 807 ireq->i_val = IEEE80211_WEP_MIXED; 808 break; 809 case IEEE80211_IOC_WEPKEY: 810 kid = (u_int) ireq->i_val; 811 if (kid >= IEEE80211_WEP_NKID) 812 return EINVAL; 813 len = (u_int) vap->iv_nw_keys[kid].wk_keylen; 814 /* NB: only root can read WEP keys */ 815 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 816 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); 817 } else { 818 bzero(tmpkey, len); 819 } 820 ireq->i_len = len; 821 error = copyout(tmpkey, ireq->i_data, len); 822 break; 823 case IEEE80211_IOC_NUMWEPKEYS: 824 ireq->i_val = IEEE80211_WEP_NKID; 825 break; 826 case IEEE80211_IOC_WEPTXKEY: 827 ireq->i_val = vap->iv_def_txkey; 828 break; 829 case IEEE80211_IOC_AUTHMODE: 830 if (vap->iv_flags & IEEE80211_F_WPA) 831 ireq->i_val = IEEE80211_AUTH_WPA; 832 else 833 ireq->i_val = vap->iv_bss->ni_authmode; 834 break; 835 case IEEE80211_IOC_CHANNEL: 836 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 837 break; 838 case IEEE80211_IOC_POWERSAVE: 839 if (vap->iv_flags & IEEE80211_F_PMGTON) 840 ireq->i_val = IEEE80211_POWERSAVE_ON; 841 else 842 ireq->i_val = IEEE80211_POWERSAVE_OFF; 843 break; 844 case IEEE80211_IOC_POWERSAVESLEEP: 845 ireq->i_val = ic->ic_lintval; 846 break; 847 case IEEE80211_IOC_RTSTHRESHOLD: 848 ireq->i_val = vap->iv_rtsthreshold; 849 break; 850 case IEEE80211_IOC_PROTMODE: 851 ireq->i_val = ic->ic_protmode; 852 break; 853 case IEEE80211_IOC_TXPOWER: 854 /* 855 * Tx power limit is the min of max regulatory 856 * power, any user-set limit, and the max the 857 * radio can do. 858 * 859 * TODO: methodize this 860 */ 861 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; 862 if (ireq->i_val > ic->ic_txpowlimit) 863 ireq->i_val = ic->ic_txpowlimit; 864 if (ireq->i_val > ic->ic_curchan->ic_maxpower) 865 ireq->i_val = ic->ic_curchan->ic_maxpower; 866 break; 867 case IEEE80211_IOC_WPA: 868 switch (vap->iv_flags & IEEE80211_F_WPA) { 869 case IEEE80211_F_WPA1: 870 ireq->i_val = 1; 871 break; 872 case IEEE80211_F_WPA2: 873 ireq->i_val = 2; 874 break; 875 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 876 ireq->i_val = 3; 877 break; 878 default: 879 ireq->i_val = 0; 880 break; 881 } 882 break; 883 case IEEE80211_IOC_CHANLIST: 884 error = ieee80211_ioctl_getchanlist(vap, ireq); 885 break; 886 case IEEE80211_IOC_ROAMING: 887 ireq->i_val = vap->iv_roaming; 888 break; 889 case IEEE80211_IOC_PRIVACY: 890 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; 891 break; 892 case IEEE80211_IOC_DROPUNENCRYPTED: 893 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; 894 break; 895 case IEEE80211_IOC_COUNTERMEASURES: 896 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; 897 break; 898 case IEEE80211_IOC_WME: 899 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; 900 break; 901 case IEEE80211_IOC_HIDESSID: 902 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; 903 break; 904 case IEEE80211_IOC_APBRIDGE: 905 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; 906 break; 907 case IEEE80211_IOC_WPAKEY: 908 error = ieee80211_ioctl_getkey(vap, ireq); 909 break; 910 case IEEE80211_IOC_CHANINFO: 911 error = ieee80211_ioctl_getchaninfo(vap, ireq); 912 break; 913 case IEEE80211_IOC_BSSID: 914 if (ireq->i_len != IEEE80211_ADDR_LEN) 915 return EINVAL; 916 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) { 917 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ? 918 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid, 919 ireq->i_data, ireq->i_len); 920 } else 921 error = copyout(vap->iv_des_bssid, ireq->i_data, 922 ireq->i_len); 923 break; 924 case IEEE80211_IOC_WPAIE: 925 case IEEE80211_IOC_WPAIE2: 926 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 927 break; 928 case IEEE80211_IOC_SCAN_RESULTS: 929 error = ieee80211_ioctl_getscanresults(vap, ireq); 930 break; 931 case IEEE80211_IOC_STA_STATS: 932 error = ieee80211_ioctl_getstastats(vap, ireq); 933 break; 934 case IEEE80211_IOC_TXPOWMAX: 935 ireq->i_val = vap->iv_bss->ni_txpower; 936 break; 937 case IEEE80211_IOC_STA_TXPOW: 938 error = ieee80211_ioctl_getstatxpow(vap, ireq); 939 break; 940 case IEEE80211_IOC_STA_INFO: 941 error = ieee80211_ioctl_getstainfo(vap, ireq); 942 break; 943 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 944 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 945 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 946 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 947 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 948 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 949 error = ieee80211_ioctl_getwmeparam(vap, ireq); 950 break; 951 case IEEE80211_IOC_DTIM_PERIOD: 952 ireq->i_val = vap->iv_dtim_period; 953 break; 954 case IEEE80211_IOC_BEACON_INTERVAL: 955 /* NB: get from ic_bss for station mode */ 956 ireq->i_val = vap->iv_bss->ni_intval; 957 break; 958 case IEEE80211_IOC_PUREG: 959 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; 960 break; 961 case IEEE80211_IOC_QUIET: 962 ireq->i_val = vap->iv_quiet; 963 break; 964 case IEEE80211_IOC_QUIET_COUNT: 965 ireq->i_val = vap->iv_quiet_count; 966 break; 967 case IEEE80211_IOC_QUIET_PERIOD: 968 ireq->i_val = vap->iv_quiet_period; 969 break; 970 case IEEE80211_IOC_QUIET_DUR: 971 ireq->i_val = vap->iv_quiet_duration; 972 break; 973 case IEEE80211_IOC_QUIET_OFFSET: 974 ireq->i_val = vap->iv_quiet_offset; 975 break; 976 case IEEE80211_IOC_BGSCAN: 977 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 978 break; 979 case IEEE80211_IOC_BGSCAN_IDLE: 980 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 981 break; 982 case IEEE80211_IOC_BGSCAN_INTERVAL: 983 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 984 break; 985 case IEEE80211_IOC_SCANVALID: 986 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 987 break; 988 case IEEE80211_IOC_FRAGTHRESHOLD: 989 ireq->i_val = vap->iv_fragthreshold; 990 break; 991 case IEEE80211_IOC_MACCMD: 992 error = ieee80211_ioctl_getmaccmd(vap, ireq); 993 break; 994 case IEEE80211_IOC_BURST: 995 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 996 break; 997 case IEEE80211_IOC_BMISSTHRESHOLD: 998 ireq->i_val = vap->iv_bmissthreshold; 999 break; 1000 case IEEE80211_IOC_CURCHAN: 1001 error = ieee80211_ioctl_getcurchan(vap, ireq); 1002 break; 1003 case IEEE80211_IOC_SHORTGI: 1004 ireq->i_val = 0; 1005 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) 1006 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 1007 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) 1008 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 1009 break; 1010 case IEEE80211_IOC_AMPDU: 1011 ireq->i_val = 0; 1012 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) 1013 ireq->i_val |= 1; 1014 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) 1015 ireq->i_val |= 2; 1016 break; 1017 case IEEE80211_IOC_AMPDU_LIMIT: 1018 /* XXX TODO: make this a per-node thing; and leave this as global */ 1019 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1020 ireq->i_val = vap->iv_ampdu_rxmax; 1021 else if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 1022 /* 1023 * XXX TODO: this isn't completely correct, as we've 1024 * negotiated the higher of the two. 1025 */ 1026 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1027 IEEE80211_HTCAP_MAXRXAMPDU); 1028 else 1029 ireq->i_val = vap->iv_ampdu_limit; 1030 break; 1031 case IEEE80211_IOC_AMPDU_DENSITY: 1032 /* XXX TODO: make this a per-node thing; and leave this as global */ 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 case IEEE80211_IOC_STBC: 1132 ireq->i_val = 0; 1133 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_TX) 1134 ireq->i_val |= 1; 1135 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_RX) 1136 ireq->i_val |= 2; 1137 break; 1138 default: 1139 error = ieee80211_ioctl_getdefault(vap, ireq); 1140 break; 1141 } 1142 return error; 1143 #undef MS 1144 } 1145 1146 static int 1147 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1148 { 1149 struct ieee80211req_key ik; 1150 struct ieee80211_node *ni; 1151 struct ieee80211_key *wk; 1152 uint16_t kid; 1153 int error, i; 1154 1155 if (ireq->i_len != sizeof(ik)) 1156 return EINVAL; 1157 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1158 if (error) 1159 return error; 1160 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1161 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1162 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1163 return E2BIG; 1164 kid = ik.ik_keyix; 1165 if (kid == IEEE80211_KEYIX_NONE) { 1166 /* XXX unicast keys currently must be tx/rx */ 1167 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1168 return EINVAL; 1169 if (vap->iv_opmode == IEEE80211_M_STA) { 1170 ni = ieee80211_ref_node(vap->iv_bss); 1171 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1172 ieee80211_free_node(ni); 1173 return EADDRNOTAVAIL; 1174 } 1175 } else { 1176 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1177 ik.ik_macaddr); 1178 if (ni == NULL) 1179 return ENOENT; 1180 } 1181 wk = &ni->ni_ucastkey; 1182 } else { 1183 if (kid >= IEEE80211_WEP_NKID) 1184 return EINVAL; 1185 wk = &vap->iv_nw_keys[kid]; 1186 /* 1187 * Global slots start off w/o any assigned key index. 1188 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1189 */ 1190 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1191 wk->wk_keyix = kid; 1192 ni = NULL; 1193 } 1194 error = 0; 1195 ieee80211_key_update_begin(vap); 1196 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1197 wk->wk_keylen = ik.ik_keylen; 1198 /* NB: MIC presence is implied by cipher type */ 1199 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1200 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1201 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1202 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1203 wk->wk_keytsc = 0; /* new key, reset */ 1204 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1205 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1206 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1207 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1208 if (!ieee80211_crypto_setkey(vap, wk)) 1209 error = EIO; 1210 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1211 /* 1212 * Inform the driver that this is the default 1213 * transmit key. Now, ideally we'd just set 1214 * a flag in the key update that would 1215 * say "yes, we're the default key", but 1216 * that currently isn't the way the ioctl -> 1217 * key interface works. 1218 */ 1219 ieee80211_crypto_set_deftxkey(vap, kid); 1220 } else 1221 error = ENXIO; 1222 ieee80211_key_update_end(vap); 1223 if (ni != NULL) 1224 ieee80211_free_node(ni); 1225 return error; 1226 } 1227 1228 static int 1229 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1230 { 1231 struct ieee80211req_del_key dk; 1232 int kid, error; 1233 1234 if (ireq->i_len != sizeof(dk)) 1235 return EINVAL; 1236 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1237 if (error) 1238 return error; 1239 kid = dk.idk_keyix; 1240 /* XXX uint8_t -> uint16_t */ 1241 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1242 struct ieee80211_node *ni; 1243 1244 if (vap->iv_opmode == IEEE80211_M_STA) { 1245 ni = ieee80211_ref_node(vap->iv_bss); 1246 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1247 ieee80211_free_node(ni); 1248 return EADDRNOTAVAIL; 1249 } 1250 } else { 1251 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1252 dk.idk_macaddr); 1253 if (ni == NULL) 1254 return ENOENT; 1255 } 1256 /* XXX error return */ 1257 ieee80211_node_delucastkey(ni); 1258 ieee80211_free_node(ni); 1259 } else { 1260 if (kid >= IEEE80211_WEP_NKID) 1261 return EINVAL; 1262 /* XXX error return */ 1263 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1264 } 1265 return 0; 1266 } 1267 1268 struct mlmeop { 1269 struct ieee80211vap *vap; 1270 int op; 1271 int reason; 1272 }; 1273 1274 static void 1275 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1276 int op, int reason) 1277 { 1278 #ifdef IEEE80211_DEBUG 1279 static const struct { 1280 int mask; 1281 const char *opstr; 1282 } ops[] = { 1283 { 0, "op#0" }, 1284 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1285 IEEE80211_MSG_ASSOC, "assoc" }, 1286 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1287 IEEE80211_MSG_ASSOC, "disassoc" }, 1288 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1289 IEEE80211_MSG_AUTH, "deauth" }, 1290 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1291 IEEE80211_MSG_AUTH, "authorize" }, 1292 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1293 IEEE80211_MSG_AUTH, "unauthorize" }, 1294 }; 1295 1296 if (op == IEEE80211_MLME_AUTH) { 1297 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1298 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1299 "station authenticate %s via MLME (reason: %d (%s))", 1300 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1301 reason, ieee80211_reason_to_string(reason)); 1302 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1303 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1304 "unknown MLME request %d (reason: %d (%s))", op, reason, 1305 ieee80211_reason_to_string(reason)); 1306 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1307 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1308 "station %s via MLME", ops[op].opstr); 1309 } else { 1310 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1311 "station %s via MLME (reason: %d (%s))", ops[op].opstr, 1312 reason, ieee80211_reason_to_string(reason)); 1313 } 1314 #endif /* IEEE80211_DEBUG */ 1315 } 1316 1317 static void 1318 domlme(void *arg, struct ieee80211_node *ni) 1319 { 1320 struct mlmeop *mop = arg; 1321 struct ieee80211vap *vap = ni->ni_vap; 1322 1323 if (vap != mop->vap) 1324 return; 1325 /* 1326 * NB: if ni_associd is zero then the node is already cleaned 1327 * up and we don't need to do this (we're safely holding a 1328 * reference but should otherwise not modify it's state). 1329 */ 1330 if (ni->ni_associd == 0) 1331 return; 1332 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1333 if (mop->op == IEEE80211_MLME_DEAUTH) { 1334 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1335 mop->reason); 1336 } else { 1337 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1338 mop->reason); 1339 } 1340 ieee80211_node_leave(ni); 1341 } 1342 1343 static int 1344 setmlme_dropsta(struct ieee80211vap *vap, 1345 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1346 { 1347 struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta; 1348 struct ieee80211_node *ni; 1349 int error = 0; 1350 1351 /* NB: the broadcast address means do 'em all */ 1352 if (!IEEE80211_ADDR_EQ(mac, vap->iv_ifp->if_broadcastaddr)) { 1353 IEEE80211_NODE_LOCK(nt); 1354 ni = ieee80211_find_node_locked(nt, mac); 1355 IEEE80211_NODE_UNLOCK(nt); 1356 /* 1357 * Don't do the node update inside the node 1358 * table lock. This unfortunately causes LORs 1359 * with drivers and their TX paths. 1360 */ 1361 if (ni != NULL) { 1362 domlme(mlmeop, ni); 1363 ieee80211_free_node(ni); 1364 } else 1365 error = ENOENT; 1366 } else { 1367 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1368 } 1369 return error; 1370 } 1371 1372 static int 1373 setmlme_common(struct ieee80211vap *vap, int op, 1374 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1375 { 1376 struct ieee80211com *ic = vap->iv_ic; 1377 struct ieee80211_node_table *nt = &ic->ic_sta; 1378 struct ieee80211_node *ni; 1379 struct mlmeop mlmeop; 1380 int error; 1381 1382 error = 0; 1383 switch (op) { 1384 case IEEE80211_MLME_DISASSOC: 1385 case IEEE80211_MLME_DEAUTH: 1386 switch (vap->iv_opmode) { 1387 case IEEE80211_M_STA: 1388 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1389 /* XXX not quite right */ 1390 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1391 break; 1392 case IEEE80211_M_HOSTAP: 1393 mlmeop.vap = vap; 1394 mlmeop.op = op; 1395 mlmeop.reason = reason; 1396 error = setmlme_dropsta(vap, mac, &mlmeop); 1397 break; 1398 case IEEE80211_M_WDS: 1399 /* XXX user app should send raw frame? */ 1400 if (op != IEEE80211_MLME_DEAUTH) { 1401 error = EINVAL; 1402 break; 1403 } 1404 #if 0 1405 /* XXX accept any address, simplifies user code */ 1406 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1407 error = EINVAL; 1408 break; 1409 } 1410 #endif 1411 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1412 ni = ieee80211_ref_node(vap->iv_bss); 1413 IEEE80211_SEND_MGMT(ni, 1414 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1415 ieee80211_free_node(ni); 1416 break; 1417 case IEEE80211_M_MBSS: 1418 IEEE80211_NODE_LOCK(nt); 1419 ni = ieee80211_find_node_locked(nt, mac); 1420 /* 1421 * Don't do the node update inside the node 1422 * table lock. This unfortunately causes LORs 1423 * with drivers and their TX paths. 1424 */ 1425 IEEE80211_NODE_UNLOCK(nt); 1426 if (ni != NULL) { 1427 ieee80211_node_leave(ni); 1428 ieee80211_free_node(ni); 1429 } else { 1430 error = ENOENT; 1431 } 1432 break; 1433 default: 1434 error = EINVAL; 1435 break; 1436 } 1437 break; 1438 case IEEE80211_MLME_AUTHORIZE: 1439 case IEEE80211_MLME_UNAUTHORIZE: 1440 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1441 vap->iv_opmode != IEEE80211_M_WDS) { 1442 error = EINVAL; 1443 break; 1444 } 1445 IEEE80211_NODE_LOCK(nt); 1446 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1447 /* 1448 * Don't do the node update inside the node 1449 * table lock. This unfortunately causes LORs 1450 * with drivers and their TX paths. 1451 */ 1452 IEEE80211_NODE_UNLOCK(nt); 1453 if (ni != NULL) { 1454 mlmedebug(vap, mac, op, reason); 1455 if (op == IEEE80211_MLME_AUTHORIZE) 1456 ieee80211_node_authorize(ni); 1457 else 1458 ieee80211_node_unauthorize(ni); 1459 ieee80211_free_node(ni); 1460 } else 1461 error = ENOENT; 1462 break; 1463 case IEEE80211_MLME_AUTH: 1464 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1465 error = EINVAL; 1466 break; 1467 } 1468 IEEE80211_NODE_LOCK(nt); 1469 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1470 /* 1471 * Don't do the node update inside the node 1472 * table lock. This unfortunately causes LORs 1473 * with drivers and their TX paths. 1474 */ 1475 IEEE80211_NODE_UNLOCK(nt); 1476 if (ni != NULL) { 1477 mlmedebug(vap, mac, op, reason); 1478 if (reason == IEEE80211_STATUS_SUCCESS) { 1479 IEEE80211_SEND_MGMT(ni, 1480 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1481 /* 1482 * For shared key auth, just continue the 1483 * exchange. Otherwise when 802.1x is not in 1484 * use mark the port authorized at this point 1485 * so traffic can flow. 1486 */ 1487 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1488 ni->ni_challenge == NULL) 1489 ieee80211_node_authorize(ni); 1490 } else { 1491 vap->iv_stats.is_rx_acl++; 1492 ieee80211_send_error(ni, ni->ni_macaddr, 1493 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1494 ieee80211_node_leave(ni); 1495 } 1496 ieee80211_free_node(ni); 1497 } else 1498 error = ENOENT; 1499 break; 1500 default: 1501 error = EINVAL; 1502 break; 1503 } 1504 return error; 1505 } 1506 1507 struct scanlookup { 1508 const uint8_t *mac; 1509 int esslen; 1510 const uint8_t *essid; 1511 const struct ieee80211_scan_entry *se; 1512 }; 1513 1514 /* 1515 * Match mac address and any ssid. 1516 */ 1517 static void 1518 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1519 { 1520 struct scanlookup *look = arg; 1521 1522 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1523 return; 1524 if (look->esslen != 0) { 1525 if (se->se_ssid[1] != look->esslen) 1526 return; 1527 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1528 return; 1529 } 1530 look->se = se; 1531 } 1532 1533 static int 1534 setmlme_assoc_sta(struct ieee80211vap *vap, 1535 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1536 const uint8_t ssid[IEEE80211_NWID_LEN]) 1537 { 1538 struct scanlookup lookup; 1539 1540 KASSERT(vap->iv_opmode == IEEE80211_M_STA, 1541 ("expected opmode STA not %s", 1542 ieee80211_opmode_name[vap->iv_opmode])); 1543 1544 /* NB: this is racey if roaming is !manual */ 1545 lookup.se = NULL; 1546 lookup.mac = mac; 1547 lookup.esslen = ssid_len; 1548 lookup.essid = ssid; 1549 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1550 if (lookup.se == NULL) 1551 return ENOENT; 1552 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1553 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1554 return EIO; /* XXX unique but could be better */ 1555 return 0; 1556 } 1557 1558 static int 1559 setmlme_assoc_adhoc(struct ieee80211vap *vap, 1560 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1561 const uint8_t ssid[IEEE80211_NWID_LEN]) 1562 { 1563 struct ieee80211_scan_req *sr; 1564 int error; 1565 1566 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS || 1567 vap->iv_opmode == IEEE80211_M_AHDEMO, 1568 ("expected opmode IBSS or AHDEMO not %s", 1569 ieee80211_opmode_name[vap->iv_opmode])); 1570 1571 if (ssid_len == 0) 1572 return EINVAL; 1573 1574 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 1575 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1576 if (sr == NULL) 1577 return ENOMEM; 1578 1579 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */ 1580 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 1581 vap->iv_des_ssid[0].len = ssid_len; 1582 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len); 1583 vap->iv_des_nssid = 1; 1584 1585 sr->sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE; 1586 sr->sr_duration = IEEE80211_IOC_SCAN_FOREVER; 1587 memcpy(sr->sr_ssid[0].ssid, ssid, ssid_len); 1588 sr->sr_ssid[0].len = ssid_len; 1589 sr->sr_nssid = 1; 1590 1591 error = ieee80211_scanreq(vap, sr); 1592 1593 IEEE80211_FREE(sr, M_TEMP); 1594 return error; 1595 } 1596 1597 static int 1598 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1599 { 1600 struct ieee80211req_mlme mlme; 1601 int error; 1602 1603 if (ireq->i_len != sizeof(mlme)) 1604 return EINVAL; 1605 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1606 if (error) 1607 return error; 1608 if (vap->iv_opmode == IEEE80211_M_STA && 1609 mlme.im_op == IEEE80211_MLME_ASSOC) 1610 return setmlme_assoc_sta(vap, mlme.im_macaddr, 1611 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1612 else if ((vap->iv_opmode == IEEE80211_M_IBSS || 1613 vap->iv_opmode == IEEE80211_M_AHDEMO) && 1614 mlme.im_op == IEEE80211_MLME_ASSOC) 1615 return setmlme_assoc_adhoc(vap, mlme.im_macaddr, 1616 mlme.im_ssid_len, mlme.im_ssid); 1617 else 1618 return setmlme_common(vap, mlme.im_op, 1619 mlme.im_macaddr, mlme.im_reason); 1620 } 1621 1622 static int 1623 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1624 { 1625 uint8_t mac[IEEE80211_ADDR_LEN]; 1626 const struct ieee80211_aclator *acl = vap->iv_acl; 1627 int error; 1628 1629 if (ireq->i_len != sizeof(mac)) 1630 return EINVAL; 1631 error = copyin(ireq->i_data, mac, ireq->i_len); 1632 if (error) 1633 return error; 1634 if (acl == NULL) { 1635 acl = ieee80211_aclator_get("mac"); 1636 if (acl == NULL || !acl->iac_attach(vap)) 1637 return EINVAL; 1638 vap->iv_acl = acl; 1639 } 1640 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1641 acl->iac_add(vap, mac); 1642 else 1643 acl->iac_remove(vap, mac); 1644 return 0; 1645 } 1646 1647 static int 1648 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1649 { 1650 const struct ieee80211_aclator *acl = vap->iv_acl; 1651 1652 switch (ireq->i_val) { 1653 case IEEE80211_MACCMD_POLICY_OPEN: 1654 case IEEE80211_MACCMD_POLICY_ALLOW: 1655 case IEEE80211_MACCMD_POLICY_DENY: 1656 case IEEE80211_MACCMD_POLICY_RADIUS: 1657 if (acl == NULL) { 1658 acl = ieee80211_aclator_get("mac"); 1659 if (acl == NULL || !acl->iac_attach(vap)) 1660 return EINVAL; 1661 vap->iv_acl = acl; 1662 } 1663 acl->iac_setpolicy(vap, ireq->i_val); 1664 break; 1665 case IEEE80211_MACCMD_FLUSH: 1666 if (acl != NULL) 1667 acl->iac_flush(vap); 1668 /* NB: silently ignore when not in use */ 1669 break; 1670 case IEEE80211_MACCMD_DETACH: 1671 if (acl != NULL) { 1672 vap->iv_acl = NULL; 1673 acl->iac_detach(vap); 1674 } 1675 break; 1676 default: 1677 if (acl == NULL) 1678 return EINVAL; 1679 else 1680 return acl->iac_setioctl(vap, ireq); 1681 } 1682 return 0; 1683 } 1684 1685 static int 1686 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1687 { 1688 struct ieee80211com *ic = vap->iv_ic; 1689 uint8_t *chanlist, *list; 1690 int i, nchan, maxchan, error; 1691 1692 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1693 ireq->i_len = sizeof(ic->ic_chan_active); 1694 list = IEEE80211_MALLOC(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1695 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1696 if (list == NULL) 1697 return ENOMEM; 1698 error = copyin(ireq->i_data, list, ireq->i_len); 1699 if (error) { 1700 IEEE80211_FREE(list, M_TEMP); 1701 return error; 1702 } 1703 nchan = 0; 1704 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1705 maxchan = ireq->i_len * NBBY; 1706 for (i = 0; i < ic->ic_nchans; i++) { 1707 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1708 /* 1709 * Calculate the intersection of the user list and the 1710 * available channels so users can do things like specify 1711 * 1-255 to get all available channels. 1712 */ 1713 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1714 setbit(chanlist, c->ic_ieee); 1715 nchan++; 1716 } 1717 } 1718 if (nchan == 0) { 1719 IEEE80211_FREE(list, M_TEMP); 1720 return EINVAL; 1721 } 1722 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1723 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1724 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1725 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1726 ieee80211_scan_flush(vap); 1727 IEEE80211_FREE(list, M_TEMP); 1728 return ENETRESET; 1729 } 1730 1731 static int 1732 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1733 { 1734 struct ieee80211_node *ni; 1735 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1736 int error; 1737 1738 /* 1739 * NB: we could copyin ieee80211req_sta_stats so apps 1740 * could make selective changes but that's overkill; 1741 * just clear all stats for now. 1742 */ 1743 if (ireq->i_len < IEEE80211_ADDR_LEN) 1744 return EINVAL; 1745 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1746 if (error != 0) 1747 return error; 1748 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1749 if (ni == NULL) 1750 return ENOENT; 1751 /* XXX require ni_vap == vap? */ 1752 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1753 ieee80211_free_node(ni); 1754 return 0; 1755 } 1756 1757 static int 1758 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1759 { 1760 struct ieee80211_node *ni; 1761 struct ieee80211req_sta_txpow txpow; 1762 int error; 1763 1764 if (ireq->i_len != sizeof(txpow)) 1765 return EINVAL; 1766 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1767 if (error != 0) 1768 return error; 1769 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1770 if (ni == NULL) 1771 return ENOENT; 1772 ni->ni_txpower = txpow.it_txpow; 1773 ieee80211_free_node(ni); 1774 return error; 1775 } 1776 1777 static int 1778 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1779 { 1780 struct ieee80211com *ic = vap->iv_ic; 1781 struct ieee80211_wme_state *wme = &ic->ic_wme; 1782 struct wmeParams *wmep, *chanp; 1783 int isbss, ac, aggrmode; 1784 1785 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1786 return EOPNOTSUPP; 1787 1788 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1789 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1790 aggrmode = (wme->wme_flags & WME_F_AGGRMODE); 1791 if (ac >= WME_NUM_AC) 1792 ac = WME_AC_BE; 1793 if (isbss) { 1794 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1795 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1796 } else { 1797 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1798 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1799 } 1800 switch (ireq->i_type) { 1801 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1802 wmep->wmep_logcwmin = ireq->i_val; 1803 if (!isbss || !aggrmode) 1804 chanp->wmep_logcwmin = ireq->i_val; 1805 break; 1806 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1807 wmep->wmep_logcwmax = ireq->i_val; 1808 if (!isbss || !aggrmode) 1809 chanp->wmep_logcwmax = ireq->i_val; 1810 break; 1811 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1812 wmep->wmep_aifsn = ireq->i_val; 1813 if (!isbss || !aggrmode) 1814 chanp->wmep_aifsn = ireq->i_val; 1815 break; 1816 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1817 wmep->wmep_txopLimit = ireq->i_val; 1818 if (!isbss || !aggrmode) 1819 chanp->wmep_txopLimit = ireq->i_val; 1820 break; 1821 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1822 wmep->wmep_acm = ireq->i_val; 1823 if (!aggrmode) 1824 chanp->wmep_acm = ireq->i_val; 1825 break; 1826 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1827 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1828 (ireq->i_val) == 0; 1829 break; 1830 } 1831 ieee80211_wme_updateparams(vap); 1832 return 0; 1833 } 1834 1835 static int 1836 find11gchannel(struct ieee80211com *ic, int start, int freq) 1837 { 1838 const struct ieee80211_channel *c; 1839 int i; 1840 1841 for (i = start+1; i < ic->ic_nchans; i++) { 1842 c = &ic->ic_channels[i]; 1843 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1844 return 1; 1845 } 1846 /* NB: should not be needed but in case things are mis-sorted */ 1847 for (i = 0; i < start; i++) { 1848 c = &ic->ic_channels[i]; 1849 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1850 return 1; 1851 } 1852 return 0; 1853 } 1854 1855 static struct ieee80211_channel * 1856 findchannel(struct ieee80211com *ic, int ieee, int mode) 1857 { 1858 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1859 [IEEE80211_MODE_AUTO] = 0, 1860 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1861 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1862 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1863 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1864 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1865 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1866 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1867 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1868 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1869 /* NB: handled specially below */ 1870 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1871 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1872 }; 1873 u_int modeflags; 1874 int i; 1875 1876 modeflags = chanflags[mode]; 1877 for (i = 0; i < ic->ic_nchans; i++) { 1878 struct ieee80211_channel *c = &ic->ic_channels[i]; 1879 1880 if (c->ic_ieee != ieee) 1881 continue; 1882 if (mode == IEEE80211_MODE_AUTO) { 1883 /* ignore turbo channels for autoselect */ 1884 if (IEEE80211_IS_CHAN_TURBO(c)) 1885 continue; 1886 /* 1887 * XXX special-case 11b/g channels so we 1888 * always select the g channel if both 1889 * are present. 1890 * XXX prefer HT to non-HT? 1891 */ 1892 if (!IEEE80211_IS_CHAN_B(c) || 1893 !find11gchannel(ic, i, c->ic_freq)) 1894 return c; 1895 } else { 1896 /* must check HT specially */ 1897 if ((mode == IEEE80211_MODE_11NA || 1898 mode == IEEE80211_MODE_11NG) && 1899 !IEEE80211_IS_CHAN_HT(c)) 1900 continue; 1901 if ((c->ic_flags & modeflags) == modeflags) 1902 return c; 1903 } 1904 } 1905 return NULL; 1906 } 1907 1908 /* 1909 * Check the specified against any desired mode (aka netband). 1910 * This is only used (presently) when operating in hostap mode 1911 * to enforce consistency. 1912 */ 1913 static int 1914 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1915 { 1916 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1917 1918 switch (mode) { 1919 case IEEE80211_MODE_11B: 1920 return (IEEE80211_IS_CHAN_B(c)); 1921 case IEEE80211_MODE_11G: 1922 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1923 case IEEE80211_MODE_11A: 1924 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1925 case IEEE80211_MODE_STURBO_A: 1926 return (IEEE80211_IS_CHAN_STURBO(c)); 1927 case IEEE80211_MODE_11NA: 1928 return (IEEE80211_IS_CHAN_HTA(c)); 1929 case IEEE80211_MODE_11NG: 1930 return (IEEE80211_IS_CHAN_HTG(c)); 1931 } 1932 return 1; 1933 1934 } 1935 1936 /* 1937 * Common code to set the current channel. If the device 1938 * is up and running this may result in an immediate channel 1939 * change or a kick of the state machine. 1940 */ 1941 static int 1942 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 1943 { 1944 struct ieee80211com *ic = vap->iv_ic; 1945 int error; 1946 1947 if (c != IEEE80211_CHAN_ANYC) { 1948 if (IEEE80211_IS_CHAN_RADAR(c)) 1949 return EBUSY; /* XXX better code? */ 1950 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 1951 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 1952 return EINVAL; 1953 if (!check_mode_consistency(c, vap->iv_des_mode)) 1954 return EINVAL; 1955 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 1956 if (IEEE80211_IS_CHAN_NOADHOC(c)) 1957 return EINVAL; 1958 } 1959 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) && 1960 vap->iv_bss->ni_chan == c) 1961 return 0; /* NB: nothing to do */ 1962 } 1963 vap->iv_des_chan = c; 1964 1965 error = 0; 1966 if (vap->iv_opmode == IEEE80211_M_MONITOR && 1967 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1968 /* 1969 * Monitor mode can switch directly. 1970 */ 1971 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 1972 /* XXX need state machine for other vap's to follow */ 1973 ieee80211_setcurchan(ic, vap->iv_des_chan); 1974 vap->iv_bss->ni_chan = ic->ic_curchan; 1975 } else 1976 ic->ic_curchan = vap->iv_des_chan; 1977 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1978 } else { 1979 /* 1980 * Need to go through the state machine in case we 1981 * need to reassociate or the like. The state machine 1982 * will pickup the desired channel and avoid scanning. 1983 */ 1984 if (IS_UP_AUTO(vap)) 1985 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 1986 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1987 /* 1988 * When not up+running and a real channel has 1989 * been specified fix the current channel so 1990 * there is immediate feedback; e.g. via ifconfig. 1991 */ 1992 ic->ic_curchan = vap->iv_des_chan; 1993 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1994 } 1995 } 1996 return error; 1997 } 1998 1999 /* 2000 * Old api for setting the current channel; this is 2001 * deprecated because channel numbers are ambiguous. 2002 */ 2003 static int 2004 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 2005 const struct ieee80211req *ireq) 2006 { 2007 struct ieee80211com *ic = vap->iv_ic; 2008 struct ieee80211_channel *c; 2009 2010 /* XXX 0xffff overflows 16-bit signed */ 2011 if (ireq->i_val == 0 || 2012 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 2013 c = IEEE80211_CHAN_ANYC; 2014 } else { 2015 struct ieee80211_channel *c2; 2016 2017 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 2018 if (c == NULL) { 2019 c = findchannel(ic, ireq->i_val, 2020 IEEE80211_MODE_AUTO); 2021 if (c == NULL) 2022 return EINVAL; 2023 } 2024 /* 2025 * Fine tune channel selection based on desired mode: 2026 * if 11b is requested, find the 11b version of any 2027 * 11g channel returned, 2028 * if static turbo, find the turbo version of any 2029 * 11a channel return, 2030 * if 11na is requested, find the ht version of any 2031 * 11a channel returned, 2032 * if 11ng is requested, find the ht version of any 2033 * 11g channel returned, 2034 * otherwise we should be ok with what we've got. 2035 */ 2036 switch (vap->iv_des_mode) { 2037 case IEEE80211_MODE_11B: 2038 if (IEEE80211_IS_CHAN_ANYG(c)) { 2039 c2 = findchannel(ic, ireq->i_val, 2040 IEEE80211_MODE_11B); 2041 /* NB: should not happen, =>'s 11g w/o 11b */ 2042 if (c2 != NULL) 2043 c = c2; 2044 } 2045 break; 2046 case IEEE80211_MODE_TURBO_A: 2047 if (IEEE80211_IS_CHAN_A(c)) { 2048 c2 = findchannel(ic, ireq->i_val, 2049 IEEE80211_MODE_TURBO_A); 2050 if (c2 != NULL) 2051 c = c2; 2052 } 2053 break; 2054 case IEEE80211_MODE_11NA: 2055 if (IEEE80211_IS_CHAN_A(c)) { 2056 c2 = findchannel(ic, ireq->i_val, 2057 IEEE80211_MODE_11NA); 2058 if (c2 != NULL) 2059 c = c2; 2060 } 2061 break; 2062 case IEEE80211_MODE_11NG: 2063 if (IEEE80211_IS_CHAN_ANYG(c)) { 2064 c2 = findchannel(ic, ireq->i_val, 2065 IEEE80211_MODE_11NG); 2066 if (c2 != NULL) 2067 c = c2; 2068 } 2069 break; 2070 default: /* NB: no static turboG */ 2071 break; 2072 } 2073 } 2074 return setcurchan(vap, c); 2075 } 2076 2077 /* 2078 * New/current api for setting the current channel; a complete 2079 * channel description is provide so there is no ambiguity in 2080 * identifying the channel. 2081 */ 2082 static int 2083 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 2084 const struct ieee80211req *ireq) 2085 { 2086 struct ieee80211com *ic = vap->iv_ic; 2087 struct ieee80211_channel chan, *c; 2088 int error; 2089 2090 if (ireq->i_len != sizeof(chan)) 2091 return EINVAL; 2092 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2093 if (error != 0) 2094 return error; 2095 /* XXX 0xffff overflows 16-bit signed */ 2096 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2097 c = IEEE80211_CHAN_ANYC; 2098 } else { 2099 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2100 if (c == NULL) 2101 return EINVAL; 2102 } 2103 return setcurchan(vap, c); 2104 } 2105 2106 static int 2107 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2108 const struct ieee80211req *ireq) 2109 { 2110 struct ieee80211_regdomain_req *reg; 2111 int nchans, error; 2112 2113 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2114 sizeof(struct ieee80211_channel)); 2115 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2116 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2117 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2118 ireq->i_len, nchans); 2119 return EINVAL; 2120 } 2121 reg = (struct ieee80211_regdomain_req *) 2122 IEEE80211_MALLOC(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, 2123 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2124 if (reg == NULL) { 2125 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2126 "%s: no memory, nchans %d\n", __func__, nchans); 2127 return ENOMEM; 2128 } 2129 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2130 if (error == 0) { 2131 /* NB: validate inline channel count against storage size */ 2132 if (reg->chaninfo.ic_nchans != nchans) { 2133 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2134 "%s: chan cnt mismatch, %d != %d\n", __func__, 2135 reg->chaninfo.ic_nchans, nchans); 2136 error = EINVAL; 2137 } else 2138 error = ieee80211_setregdomain(vap, reg); 2139 } 2140 IEEE80211_FREE(reg, M_TEMP); 2141 2142 return (error == 0 ? ENETRESET : error); 2143 } 2144 2145 static int 2146 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2147 const struct ieee80211req *ireq) 2148 { 2149 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2150 return EINVAL; 2151 /* XXX validate params */ 2152 /* XXX? ENETRESET to push to device? */ 2153 return copyin(ireq->i_data, vap->iv_roamparms, 2154 sizeof(vap->iv_roamparms)); 2155 } 2156 2157 static int 2158 checkrate(const struct ieee80211_rateset *rs, int rate) 2159 { 2160 int i; 2161 2162 if (rate == IEEE80211_FIXED_RATE_NONE) 2163 return 1; 2164 for (i = 0; i < rs->rs_nrates; i++) 2165 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2166 return 1; 2167 return 0; 2168 } 2169 2170 static int 2171 checkmcs(int mcs) 2172 { 2173 if (mcs == IEEE80211_FIXED_RATE_NONE) 2174 return 1; 2175 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2176 return 0; 2177 return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */ 2178 } 2179 2180 static int 2181 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2182 const struct ieee80211req *ireq) 2183 { 2184 struct ieee80211com *ic = vap->iv_ic; 2185 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2186 struct ieee80211_txparam *src, *dst; 2187 const struct ieee80211_rateset *rs; 2188 int error, mode, changed, is11n, nmodes; 2189 2190 /* NB: accept short requests for backwards compat */ 2191 if (ireq->i_len > sizeof(parms)) 2192 return EINVAL; 2193 error = copyin(ireq->i_data, &parms, ireq->i_len); 2194 if (error != 0) 2195 return error; 2196 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2197 changed = 0; 2198 /* validate parameters and check if anything changed */ 2199 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2200 if (isclr(ic->ic_modecaps, mode)) 2201 continue; 2202 src = &parms.params[mode]; 2203 dst = &vap->iv_txparms[mode]; 2204 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2205 is11n = (mode == IEEE80211_MODE_11NA || 2206 mode == IEEE80211_MODE_11NG); 2207 if (src->ucastrate != dst->ucastrate) { 2208 if (!checkrate(rs, src->ucastrate) && 2209 (!is11n || !checkmcs(src->ucastrate))) 2210 return EINVAL; 2211 changed++; 2212 } 2213 if (src->mcastrate != dst->mcastrate) { 2214 if (!checkrate(rs, src->mcastrate) && 2215 (!is11n || !checkmcs(src->mcastrate))) 2216 return EINVAL; 2217 changed++; 2218 } 2219 if (src->mgmtrate != dst->mgmtrate) { 2220 if (!checkrate(rs, src->mgmtrate) && 2221 (!is11n || !checkmcs(src->mgmtrate))) 2222 return EINVAL; 2223 changed++; 2224 } 2225 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2226 changed++; 2227 } 2228 if (changed) { 2229 /* 2230 * Copy new parameters in place and notify the 2231 * driver so it can push state to the device. 2232 */ 2233 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2234 if (isset(ic->ic_modecaps, mode)) 2235 vap->iv_txparms[mode] = parms.params[mode]; 2236 } 2237 /* XXX could be more intelligent, 2238 e.g. don't reset if setting not being used */ 2239 return ENETRESET; 2240 } 2241 return 0; 2242 } 2243 2244 /* 2245 * Application Information Element support. 2246 */ 2247 static int 2248 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2249 { 2250 struct ieee80211_appie *app = *aie; 2251 struct ieee80211_appie *napp; 2252 int error; 2253 2254 if (ireq->i_len == 0) { /* delete any existing ie */ 2255 if (app != NULL) { 2256 *aie = NULL; /* XXX racey */ 2257 IEEE80211_FREE(app, M_80211_NODE_IE); 2258 } 2259 return 0; 2260 } 2261 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2262 return EINVAL; 2263 /* 2264 * Allocate a new appie structure and copy in the user data. 2265 * When done swap in the new structure. Note that we do not 2266 * guard against users holding a ref to the old structure; 2267 * this must be handled outside this code. 2268 * 2269 * XXX bad bad bad 2270 */ 2271 napp = (struct ieee80211_appie *) IEEE80211_MALLOC( 2272 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, 2273 IEEE80211_M_NOWAIT); 2274 if (napp == NULL) 2275 return ENOMEM; 2276 /* XXX holding ic lock */ 2277 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2278 if (error) { 2279 IEEE80211_FREE(napp, M_80211_NODE_IE); 2280 return error; 2281 } 2282 napp->ie_len = ireq->i_len; 2283 *aie = napp; 2284 if (app != NULL) 2285 IEEE80211_FREE(app, M_80211_NODE_IE); 2286 return 0; 2287 } 2288 2289 static void 2290 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2291 { 2292 /* validate data is present as best we can */ 2293 if (space == 0 || 2+ie[1] > space) 2294 return; 2295 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2296 vap->iv_wpa_ie = ie; 2297 else if (ie[0] == IEEE80211_ELEMID_RSN) 2298 vap->iv_rsn_ie = ie; 2299 } 2300 2301 static int 2302 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2303 const struct ieee80211req *ireq, int fc0) 2304 { 2305 int error; 2306 2307 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2308 2309 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2310 case IEEE80211_FC0_SUBTYPE_BEACON: 2311 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2312 vap->iv_opmode != IEEE80211_M_IBSS) { 2313 error = EINVAL; 2314 break; 2315 } 2316 error = setappie(&vap->iv_appie_beacon, ireq); 2317 if (error == 0) 2318 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2319 break; 2320 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2321 error = setappie(&vap->iv_appie_proberesp, ireq); 2322 break; 2323 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2324 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2325 error = setappie(&vap->iv_appie_assocresp, ireq); 2326 else 2327 error = EINVAL; 2328 break; 2329 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2330 error = setappie(&vap->iv_appie_probereq, ireq); 2331 break; 2332 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2333 if (vap->iv_opmode == IEEE80211_M_STA) 2334 error = setappie(&vap->iv_appie_assocreq, ireq); 2335 else 2336 error = EINVAL; 2337 break; 2338 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2339 error = setappie(&vap->iv_appie_wpa, ireq); 2340 if (error == 0) { 2341 /* 2342 * Must split single blob of data into separate 2343 * WPA and RSN ie's because they go in different 2344 * locations in the mgt frames. 2345 * XXX use IEEE80211_IOC_WPA2 so user code does split 2346 */ 2347 vap->iv_wpa_ie = NULL; 2348 vap->iv_rsn_ie = NULL; 2349 if (vap->iv_appie_wpa != NULL) { 2350 struct ieee80211_appie *appie = 2351 vap->iv_appie_wpa; 2352 uint8_t *data = appie->ie_data; 2353 2354 /* XXX ie length validate is painful, cheat */ 2355 setwparsnie(vap, data, appie->ie_len); 2356 setwparsnie(vap, data + 2 + data[1], 2357 appie->ie_len - (2 + data[1])); 2358 } 2359 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2360 vap->iv_opmode == IEEE80211_M_IBSS) { 2361 /* 2362 * Must rebuild beacon frame as the update 2363 * mechanism doesn't handle WPA/RSN ie's. 2364 * Could extend it but it doesn't normally 2365 * change; this is just to deal with hostapd 2366 * plumbing the ie after the interface is up. 2367 */ 2368 error = ENETRESET; 2369 } 2370 } 2371 break; 2372 default: 2373 error = EINVAL; 2374 break; 2375 } 2376 return error; 2377 } 2378 2379 static int 2380 ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2381 const struct ieee80211req *ireq) 2382 { 2383 struct ieee80211com *ic = vap->iv_ic; 2384 int error; 2385 uint8_t fc0; 2386 2387 fc0 = ireq->i_val & 0xff; 2388 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2389 return EINVAL; 2390 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2391 IEEE80211_LOCK(ic); 2392 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2393 IEEE80211_UNLOCK(ic); 2394 return error; 2395 } 2396 2397 static int 2398 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2399 { 2400 struct ieee80211com *ic = vap->iv_ic; 2401 struct ieee80211_chanswitch_req csr; 2402 struct ieee80211_channel *c; 2403 int error; 2404 2405 if (ireq->i_len != sizeof(csr)) 2406 return EINVAL; 2407 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2408 if (error != 0) 2409 return error; 2410 /* XXX adhoc mode not supported */ 2411 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2412 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2413 return EOPNOTSUPP; 2414 c = ieee80211_find_channel(ic, 2415 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2416 if (c == NULL) 2417 return ENOENT; 2418 IEEE80211_LOCK(ic); 2419 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2420 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2421 else if (csr.csa_count == 0) 2422 ieee80211_csa_cancelswitch(ic); 2423 else 2424 error = EBUSY; 2425 IEEE80211_UNLOCK(ic); 2426 return error; 2427 } 2428 2429 static int 2430 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr) 2431 { 2432 #define IEEE80211_IOC_SCAN_FLAGS \ 2433 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2434 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2435 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2436 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2437 IEEE80211_IOC_SCAN_CHECK) 2438 struct ieee80211com *ic = vap->iv_ic; 2439 int error, i; 2440 2441 /* convert duration */ 2442 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2443 sr->sr_duration = IEEE80211_SCAN_FOREVER; 2444 else { 2445 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2446 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2447 return EINVAL; 2448 sr->sr_duration = msecs_to_ticks(sr->sr_duration); 2449 if (sr->sr_duration < 1) 2450 sr->sr_duration = 1; 2451 } 2452 /* convert min/max channel dwell */ 2453 if (sr->sr_mindwell != 0) { 2454 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell); 2455 if (sr->sr_mindwell < 1) 2456 sr->sr_mindwell = 1; 2457 } 2458 if (sr->sr_maxdwell != 0) { 2459 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell); 2460 if (sr->sr_maxdwell < 1) 2461 sr->sr_maxdwell = 1; 2462 } 2463 /* NB: silently reduce ssid count to what is supported */ 2464 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID) 2465 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID; 2466 for (i = 0; i < sr->sr_nssid; i++) 2467 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN) 2468 return EINVAL; 2469 /* cleanse flags just in case, could reject if invalid flags */ 2470 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2471 /* 2472 * Add an implicit NOPICK if the vap is not marked UP. This 2473 * allows applications to scan without joining a bss (or picking 2474 * a channel and setting up a bss) and without forcing manual 2475 * roaming mode--you just need to mark the parent device UP. 2476 */ 2477 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2478 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2479 2480 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2481 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2482 __func__, sr->sr_flags, 2483 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2484 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid); 2485 /* 2486 * If we are in INIT state then the driver has never had a chance 2487 * to setup hardware state to do a scan; we must use the state 2488 * machine to get us up to the SCAN state but once we reach SCAN 2489 * state we then want to use the supplied params. Stash the 2490 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2491 * state machines will recognize this and use the stashed params 2492 * to issue the scan request. 2493 * 2494 * Otherwise just invoke the scan machinery directly. 2495 */ 2496 IEEE80211_LOCK(ic); 2497 if (ic->ic_nrunning == 0) { 2498 IEEE80211_UNLOCK(ic); 2499 return ENXIO; 2500 } 2501 2502 if (vap->iv_state == IEEE80211_S_INIT) { 2503 /* NB: clobbers previous settings */ 2504 vap->iv_scanreq_flags = sr->sr_flags; 2505 vap->iv_scanreq_duration = sr->sr_duration; 2506 vap->iv_scanreq_nssid = sr->sr_nssid; 2507 for (i = 0; i < sr->sr_nssid; i++) { 2508 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len; 2509 memcpy(vap->iv_scanreq_ssid[i].ssid, 2510 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len); 2511 } 2512 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2513 IEEE80211_UNLOCK(ic); 2514 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2515 } else { 2516 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2517 IEEE80211_UNLOCK(ic); 2518 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2519 error = ieee80211_check_scan(vap, sr->sr_flags, 2520 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2521 sr->sr_nssid, 2522 /* NB: cheat, we assume structures are compatible */ 2523 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2524 } else { 2525 error = ieee80211_start_scan(vap, sr->sr_flags, 2526 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2527 sr->sr_nssid, 2528 /* NB: cheat, we assume structures are compatible */ 2529 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2530 } 2531 if (error == 0) 2532 return EINPROGRESS; 2533 } 2534 return 0; 2535 #undef IEEE80211_IOC_SCAN_FLAGS 2536 } 2537 2538 static int 2539 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2540 { 2541 struct ieee80211_scan_req *sr; 2542 int error; 2543 2544 if (ireq->i_len != sizeof(*sr)) 2545 return EINVAL; 2546 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 2547 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2548 if (sr == NULL) 2549 return ENOMEM; 2550 error = copyin(ireq->i_data, sr, sizeof(*sr)); 2551 if (error != 0) 2552 goto bad; 2553 error = ieee80211_scanreq(vap, sr); 2554 bad: 2555 IEEE80211_FREE(sr, M_TEMP); 2556 return error; 2557 } 2558 2559 static int 2560 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2561 { 2562 struct ieee80211_node *ni; 2563 struct ieee80211req_sta_vlan vlan; 2564 int error; 2565 2566 if (ireq->i_len != sizeof(vlan)) 2567 return EINVAL; 2568 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2569 if (error != 0) 2570 return error; 2571 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2572 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2573 vlan.sv_macaddr); 2574 if (ni == NULL) 2575 return ENOENT; 2576 } else 2577 ni = ieee80211_ref_node(vap->iv_bss); 2578 ni->ni_vlan = vlan.sv_vlan; 2579 ieee80211_free_node(ni); 2580 return error; 2581 } 2582 2583 static int 2584 isvap11g(const struct ieee80211vap *vap) 2585 { 2586 const struct ieee80211_node *bss = vap->iv_bss; 2587 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2588 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2589 } 2590 2591 static int 2592 isvapht(const struct ieee80211vap *vap) 2593 { 2594 const struct ieee80211_node *bss = vap->iv_bss; 2595 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2596 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2597 } 2598 2599 /* 2600 * Dummy ioctl set handler so the linker set is defined. 2601 */ 2602 static int 2603 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2604 { 2605 return ENOSYS; 2606 } 2607 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2608 2609 static int 2610 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2611 { 2612 ieee80211_ioctl_setfunc * const *set; 2613 int error; 2614 2615 SET_FOREACH(set, ieee80211_ioctl_setset) { 2616 error = (*set)(vap, ireq); 2617 if (error != ENOSYS) 2618 return error; 2619 } 2620 return EINVAL; 2621 } 2622 2623 static int 2624 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2625 { 2626 struct ieee80211com *ic = vap->iv_ic; 2627 int error; 2628 const struct ieee80211_authenticator *auth; 2629 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2630 char tmpssid[IEEE80211_NWID_LEN]; 2631 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2632 struct ieee80211_key *k; 2633 u_int kid; 2634 uint32_t flags; 2635 2636 error = 0; 2637 switch (ireq->i_type) { 2638 case IEEE80211_IOC_SSID: 2639 if (ireq->i_val != 0 || 2640 ireq->i_len > IEEE80211_NWID_LEN) 2641 return EINVAL; 2642 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2643 if (error) 2644 break; 2645 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2646 vap->iv_des_ssid[0].len = ireq->i_len; 2647 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2648 vap->iv_des_nssid = (ireq->i_len > 0); 2649 error = ENETRESET; 2650 break; 2651 case IEEE80211_IOC_WEP: 2652 switch (ireq->i_val) { 2653 case IEEE80211_WEP_OFF: 2654 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2655 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2656 break; 2657 case IEEE80211_WEP_ON: 2658 vap->iv_flags |= IEEE80211_F_PRIVACY; 2659 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2660 break; 2661 case IEEE80211_WEP_MIXED: 2662 vap->iv_flags |= IEEE80211_F_PRIVACY; 2663 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2664 break; 2665 } 2666 error = ENETRESET; 2667 break; 2668 case IEEE80211_IOC_WEPKEY: 2669 kid = (u_int) ireq->i_val; 2670 if (kid >= IEEE80211_WEP_NKID) 2671 return EINVAL; 2672 k = &vap->iv_nw_keys[kid]; 2673 if (ireq->i_len == 0) { 2674 /* zero-len =>'s delete any existing key */ 2675 (void) ieee80211_crypto_delkey(vap, k); 2676 break; 2677 } 2678 if (ireq->i_len > sizeof(tmpkey)) 2679 return EINVAL; 2680 memset(tmpkey, 0, sizeof(tmpkey)); 2681 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2682 if (error) 2683 break; 2684 ieee80211_key_update_begin(vap); 2685 k->wk_keyix = kid; /* NB: force fixed key id */ 2686 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2687 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2688 k->wk_keylen = ireq->i_len; 2689 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2690 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2691 if (!ieee80211_crypto_setkey(vap, k)) 2692 error = EINVAL; 2693 } else 2694 error = EINVAL; 2695 ieee80211_key_update_end(vap); 2696 break; 2697 case IEEE80211_IOC_WEPTXKEY: 2698 kid = (u_int) ireq->i_val; 2699 if (kid >= IEEE80211_WEP_NKID && 2700 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2701 return EINVAL; 2702 /* 2703 * Firmware devices may need to be told about an explicit 2704 * key index here, versus just inferring it from the 2705 * key set / change. Since we may also need to pause 2706 * things like transmit before the key is updated, 2707 * give the driver a chance to flush things by tying 2708 * into key update begin/end. 2709 */ 2710 ieee80211_key_update_begin(vap); 2711 ieee80211_crypto_set_deftxkey(vap, kid); 2712 ieee80211_key_update_end(vap); 2713 break; 2714 case IEEE80211_IOC_AUTHMODE: 2715 switch (ireq->i_val) { 2716 case IEEE80211_AUTH_WPA: 2717 case IEEE80211_AUTH_8021X: /* 802.1x */ 2718 case IEEE80211_AUTH_OPEN: /* open */ 2719 case IEEE80211_AUTH_SHARED: /* shared-key */ 2720 case IEEE80211_AUTH_AUTO: /* auto */ 2721 auth = ieee80211_authenticator_get(ireq->i_val); 2722 if (auth == NULL) 2723 return EINVAL; 2724 break; 2725 default: 2726 return EINVAL; 2727 } 2728 switch (ireq->i_val) { 2729 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2730 vap->iv_flags |= IEEE80211_F_PRIVACY; 2731 ireq->i_val = IEEE80211_AUTH_8021X; 2732 break; 2733 case IEEE80211_AUTH_OPEN: /* open */ 2734 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2735 break; 2736 case IEEE80211_AUTH_SHARED: /* shared-key */ 2737 case IEEE80211_AUTH_8021X: /* 802.1x */ 2738 vap->iv_flags &= ~IEEE80211_F_WPA; 2739 /* both require a key so mark the PRIVACY capability */ 2740 vap->iv_flags |= IEEE80211_F_PRIVACY; 2741 break; 2742 case IEEE80211_AUTH_AUTO: /* auto */ 2743 vap->iv_flags &= ~IEEE80211_F_WPA; 2744 /* XXX PRIVACY handling? */ 2745 /* XXX what's the right way to do this? */ 2746 break; 2747 } 2748 /* NB: authenticator attach/detach happens on state change */ 2749 vap->iv_bss->ni_authmode = ireq->i_val; 2750 /* XXX mixed/mode/usage? */ 2751 vap->iv_auth = auth; 2752 error = ENETRESET; 2753 break; 2754 case IEEE80211_IOC_CHANNEL: 2755 error = ieee80211_ioctl_setchannel(vap, ireq); 2756 break; 2757 case IEEE80211_IOC_POWERSAVE: 2758 switch (ireq->i_val) { 2759 case IEEE80211_POWERSAVE_OFF: 2760 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2761 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2762 error = ERESTART; 2763 } 2764 break; 2765 case IEEE80211_POWERSAVE_ON: 2766 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2767 error = EOPNOTSUPP; 2768 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2769 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2770 error = ERESTART; 2771 } 2772 break; 2773 default: 2774 error = EINVAL; 2775 break; 2776 } 2777 break; 2778 case IEEE80211_IOC_POWERSAVESLEEP: 2779 if (ireq->i_val < 0) 2780 return EINVAL; 2781 ic->ic_lintval = ireq->i_val; 2782 error = ERESTART; 2783 break; 2784 case IEEE80211_IOC_RTSTHRESHOLD: 2785 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2786 ireq->i_val <= IEEE80211_RTS_MAX)) 2787 return EINVAL; 2788 vap->iv_rtsthreshold = ireq->i_val; 2789 error = ERESTART; 2790 break; 2791 case IEEE80211_IOC_PROTMODE: 2792 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2793 return EINVAL; 2794 ic->ic_protmode = (enum ieee80211_protmode)ireq->i_val; 2795 /* NB: if not operating in 11g this can wait */ 2796 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2797 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2798 error = ERESTART; 2799 break; 2800 case IEEE80211_IOC_TXPOWER: 2801 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2802 return EOPNOTSUPP; 2803 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2804 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2805 return EINVAL; 2806 ic->ic_txpowlimit = ireq->i_val; 2807 error = ERESTART; 2808 break; 2809 case IEEE80211_IOC_ROAMING: 2810 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2811 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2812 return EINVAL; 2813 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val; 2814 /* XXXX reset? */ 2815 break; 2816 case IEEE80211_IOC_PRIVACY: 2817 if (ireq->i_val) { 2818 /* XXX check for key state? */ 2819 vap->iv_flags |= IEEE80211_F_PRIVACY; 2820 } else 2821 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2822 /* XXX ERESTART? */ 2823 break; 2824 case IEEE80211_IOC_DROPUNENCRYPTED: 2825 if (ireq->i_val) 2826 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2827 else 2828 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2829 /* XXX ERESTART? */ 2830 break; 2831 case IEEE80211_IOC_WPAKEY: 2832 error = ieee80211_ioctl_setkey(vap, ireq); 2833 break; 2834 case IEEE80211_IOC_DELKEY: 2835 error = ieee80211_ioctl_delkey(vap, ireq); 2836 break; 2837 case IEEE80211_IOC_MLME: 2838 error = ieee80211_ioctl_setmlme(vap, ireq); 2839 break; 2840 case IEEE80211_IOC_COUNTERMEASURES: 2841 if (ireq->i_val) { 2842 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2843 return EOPNOTSUPP; 2844 vap->iv_flags |= IEEE80211_F_COUNTERM; 2845 } else 2846 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2847 /* XXX ERESTART? */ 2848 break; 2849 case IEEE80211_IOC_WPA: 2850 if (ireq->i_val > 3) 2851 return EINVAL; 2852 /* XXX verify ciphers available */ 2853 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2854 switch (ireq->i_val) { 2855 case 0: 2856 /* wpa_supplicant calls this to clear the WPA config */ 2857 break; 2858 case 1: 2859 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2860 return EOPNOTSUPP; 2861 flags |= IEEE80211_F_WPA1; 2862 break; 2863 case 2: 2864 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2865 return EOPNOTSUPP; 2866 flags |= IEEE80211_F_WPA2; 2867 break; 2868 case 3: 2869 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2870 return EOPNOTSUPP; 2871 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2872 break; 2873 default: /* Can't set any -> error */ 2874 return EOPNOTSUPP; 2875 } 2876 vap->iv_flags = flags; 2877 error = ERESTART; /* NB: can change beacon frame */ 2878 break; 2879 case IEEE80211_IOC_WME: 2880 if (ireq->i_val) { 2881 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 2882 return EOPNOTSUPP; 2883 ieee80211_syncflag(vap, IEEE80211_F_WME); 2884 } else 2885 ieee80211_syncflag(vap, -IEEE80211_F_WME); 2886 error = ERESTART; /* NB: can change beacon frame */ 2887 break; 2888 case IEEE80211_IOC_HIDESSID: 2889 if (ireq->i_val) 2890 vap->iv_flags |= IEEE80211_F_HIDESSID; 2891 else 2892 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 2893 error = ERESTART; /* XXX ENETRESET? */ 2894 break; 2895 case IEEE80211_IOC_APBRIDGE: 2896 if (ireq->i_val == 0) 2897 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 2898 else 2899 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 2900 break; 2901 case IEEE80211_IOC_BSSID: 2902 if (ireq->i_len != sizeof(tmpbssid)) 2903 return EINVAL; 2904 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 2905 if (error) 2906 break; 2907 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 2908 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 2909 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 2910 else 2911 vap->iv_flags |= IEEE80211_F_DESBSSID; 2912 error = ENETRESET; 2913 break; 2914 case IEEE80211_IOC_CHANLIST: 2915 error = ieee80211_ioctl_setchanlist(vap, ireq); 2916 break; 2917 #define OLD_IEEE80211_IOC_SCAN_REQ 23 2918 #ifdef OLD_IEEE80211_IOC_SCAN_REQ 2919 case OLD_IEEE80211_IOC_SCAN_REQ: 2920 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2921 "%s: active scan request\n", __func__); 2922 /* 2923 * If we are in INIT state then the driver has never 2924 * had a chance to setup hardware state to do a scan; 2925 * use the state machine to get us up the SCAN state. 2926 * Otherwise just invoke the scan machinery to start 2927 * a one-time scan. 2928 */ 2929 if (vap->iv_state == IEEE80211_S_INIT) 2930 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2931 else 2932 (void) ieee80211_start_scan(vap, 2933 IEEE80211_SCAN_ACTIVE | 2934 IEEE80211_SCAN_NOPICK | 2935 IEEE80211_SCAN_ONCE, 2936 IEEE80211_SCAN_FOREVER, 0, 0, 2937 /* XXX use ioctl params */ 2938 vap->iv_des_nssid, vap->iv_des_ssid); 2939 break; 2940 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 2941 case IEEE80211_IOC_SCAN_REQ: 2942 error = ieee80211_ioctl_scanreq(vap, ireq); 2943 break; 2944 case IEEE80211_IOC_SCAN_CANCEL: 2945 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2946 "%s: cancel scan\n", __func__); 2947 ieee80211_cancel_scan(vap); 2948 break; 2949 case IEEE80211_IOC_HTCONF: 2950 if (ireq->i_val & 1) 2951 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 2952 else 2953 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 2954 if (ireq->i_val & 2) 2955 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 2956 else 2957 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 2958 error = ENETRESET; 2959 break; 2960 case IEEE80211_IOC_ADDMAC: 2961 case IEEE80211_IOC_DELMAC: 2962 error = ieee80211_ioctl_macmac(vap, ireq); 2963 break; 2964 case IEEE80211_IOC_MACCMD: 2965 error = ieee80211_ioctl_setmaccmd(vap, ireq); 2966 break; 2967 case IEEE80211_IOC_STA_STATS: 2968 error = ieee80211_ioctl_setstastats(vap, ireq); 2969 break; 2970 case IEEE80211_IOC_STA_TXPOW: 2971 error = ieee80211_ioctl_setstatxpow(vap, ireq); 2972 break; 2973 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 2974 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 2975 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 2976 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 2977 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 2978 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 2979 error = ieee80211_ioctl_setwmeparam(vap, ireq); 2980 break; 2981 case IEEE80211_IOC_DTIM_PERIOD: 2982 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2983 vap->iv_opmode != IEEE80211_M_MBSS && 2984 vap->iv_opmode != IEEE80211_M_IBSS) 2985 return EINVAL; 2986 if (IEEE80211_DTIM_MIN <= ireq->i_val && 2987 ireq->i_val <= IEEE80211_DTIM_MAX) { 2988 vap->iv_dtim_period = ireq->i_val; 2989 error = ENETRESET; /* requires restart */ 2990 } else 2991 error = EINVAL; 2992 break; 2993 case IEEE80211_IOC_BEACON_INTERVAL: 2994 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2995 vap->iv_opmode != IEEE80211_M_MBSS && 2996 vap->iv_opmode != IEEE80211_M_IBSS) 2997 return EINVAL; 2998 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 2999 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 3000 ic->ic_bintval = ireq->i_val; 3001 error = ENETRESET; /* requires restart */ 3002 } else 3003 error = EINVAL; 3004 break; 3005 case IEEE80211_IOC_PUREG: 3006 if (ireq->i_val) 3007 vap->iv_flags |= IEEE80211_F_PUREG; 3008 else 3009 vap->iv_flags &= ~IEEE80211_F_PUREG; 3010 /* NB: reset only if we're operating on an 11g channel */ 3011 if (isvap11g(vap)) 3012 error = ENETRESET; 3013 break; 3014 case IEEE80211_IOC_QUIET: 3015 vap->iv_quiet= ireq->i_val; 3016 break; 3017 case IEEE80211_IOC_QUIET_COUNT: 3018 vap->iv_quiet_count=ireq->i_val; 3019 break; 3020 case IEEE80211_IOC_QUIET_PERIOD: 3021 vap->iv_quiet_period=ireq->i_val; 3022 break; 3023 case IEEE80211_IOC_QUIET_OFFSET: 3024 vap->iv_quiet_offset=ireq->i_val; 3025 break; 3026 case IEEE80211_IOC_QUIET_DUR: 3027 if(ireq->i_val < vap->iv_bss->ni_intval) 3028 vap->iv_quiet_duration = ireq->i_val; 3029 else 3030 error = EINVAL; 3031 break; 3032 case IEEE80211_IOC_BGSCAN: 3033 if (ireq->i_val) { 3034 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 3035 return EOPNOTSUPP; 3036 vap->iv_flags |= IEEE80211_F_BGSCAN; 3037 } else 3038 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 3039 break; 3040 case IEEE80211_IOC_BGSCAN_IDLE: 3041 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 3042 vap->iv_bgscanidle = ireq->i_val*hz/1000; 3043 else 3044 error = EINVAL; 3045 break; 3046 case IEEE80211_IOC_BGSCAN_INTERVAL: 3047 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 3048 vap->iv_bgscanintvl = ireq->i_val*hz; 3049 else 3050 error = EINVAL; 3051 break; 3052 case IEEE80211_IOC_SCANVALID: 3053 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 3054 vap->iv_scanvalid = ireq->i_val*hz; 3055 else 3056 error = EINVAL; 3057 break; 3058 case IEEE80211_IOC_FRAGTHRESHOLD: 3059 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 3060 ireq->i_val != IEEE80211_FRAG_MAX) 3061 return EOPNOTSUPP; 3062 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 3063 ireq->i_val <= IEEE80211_FRAG_MAX)) 3064 return EINVAL; 3065 vap->iv_fragthreshold = ireq->i_val; 3066 error = ERESTART; 3067 break; 3068 case IEEE80211_IOC_BURST: 3069 if (ireq->i_val) { 3070 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 3071 return EOPNOTSUPP; 3072 ieee80211_syncflag(vap, IEEE80211_F_BURST); 3073 } else 3074 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 3075 error = ERESTART; 3076 break; 3077 case IEEE80211_IOC_BMISSTHRESHOLD: 3078 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 3079 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 3080 return EINVAL; 3081 vap->iv_bmissthreshold = ireq->i_val; 3082 error = ERESTART; 3083 break; 3084 case IEEE80211_IOC_CURCHAN: 3085 error = ieee80211_ioctl_setcurchan(vap, ireq); 3086 break; 3087 case IEEE80211_IOC_SHORTGI: 3088 if (ireq->i_val) { 3089 #define IEEE80211_HTCAP_SHORTGI \ 3090 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 3091 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 3092 return EINVAL; 3093 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 3094 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 3095 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 3096 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 3097 #undef IEEE80211_HTCAP_SHORTGI 3098 } else 3099 vap->iv_flags_ht &= 3100 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 3101 error = ERESTART; 3102 break; 3103 case IEEE80211_IOC_AMPDU: 3104 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 3105 return EINVAL; 3106 if (ireq->i_val & 1) 3107 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 3108 else 3109 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 3110 if (ireq->i_val & 2) 3111 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 3112 else 3113 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 3114 /* NB: reset only if we're operating on an 11n channel */ 3115 if (isvapht(vap)) 3116 error = ERESTART; 3117 break; 3118 case IEEE80211_IOC_AMPDU_LIMIT: 3119 /* XXX TODO: figure out ampdu_limit versus ampdu_rxmax */ 3120 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 3121 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 3122 return EINVAL; 3123 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 3124 vap->iv_ampdu_rxmax = ireq->i_val; 3125 else 3126 vap->iv_ampdu_limit = ireq->i_val; 3127 error = ERESTART; 3128 break; 3129 case IEEE80211_IOC_AMPDU_DENSITY: 3130 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 3131 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 3132 return EINVAL; 3133 vap->iv_ampdu_density = ireq->i_val; 3134 error = ERESTART; 3135 break; 3136 case IEEE80211_IOC_AMSDU: 3137 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 3138 return EINVAL; 3139 if (ireq->i_val & 1) 3140 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 3141 else 3142 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 3143 if (ireq->i_val & 2) 3144 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 3145 else 3146 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 3147 /* NB: reset only if we're operating on an 11n channel */ 3148 if (isvapht(vap)) 3149 error = ERESTART; 3150 break; 3151 case IEEE80211_IOC_AMSDU_LIMIT: 3152 /* XXX validate */ 3153 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 3154 break; 3155 case IEEE80211_IOC_PUREN: 3156 if (ireq->i_val) { 3157 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3158 return EINVAL; 3159 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3160 } else 3161 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3162 /* NB: reset only if we're operating on an 11n channel */ 3163 if (isvapht(vap)) 3164 error = ERESTART; 3165 break; 3166 case IEEE80211_IOC_DOTH: 3167 if (ireq->i_val) { 3168 #if 0 3169 /* XXX no capability */ 3170 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3171 return EOPNOTSUPP; 3172 #endif 3173 vap->iv_flags |= IEEE80211_F_DOTH; 3174 } else 3175 vap->iv_flags &= ~IEEE80211_F_DOTH; 3176 error = ENETRESET; 3177 break; 3178 case IEEE80211_IOC_REGDOMAIN: 3179 error = ieee80211_ioctl_setregdomain(vap, ireq); 3180 break; 3181 case IEEE80211_IOC_ROAM: 3182 error = ieee80211_ioctl_setroam(vap, ireq); 3183 break; 3184 case IEEE80211_IOC_TXPARAMS: 3185 error = ieee80211_ioctl_settxparams(vap, ireq); 3186 break; 3187 case IEEE80211_IOC_HTCOMPAT: 3188 if (ireq->i_val) { 3189 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3190 return EOPNOTSUPP; 3191 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3192 } else 3193 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 3194 /* NB: reset only if we're operating on an 11n channel */ 3195 if (isvapht(vap)) 3196 error = ERESTART; 3197 break; 3198 case IEEE80211_IOC_DWDS: 3199 if (ireq->i_val) { 3200 /* NB: DWDS only makes sense for WDS-capable devices */ 3201 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3202 return EOPNOTSUPP; 3203 /* NB: DWDS is used only with ap+sta vaps */ 3204 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3205 vap->iv_opmode != IEEE80211_M_STA) 3206 return EINVAL; 3207 vap->iv_flags |= IEEE80211_F_DWDS; 3208 if (vap->iv_opmode == IEEE80211_M_STA) 3209 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3210 } else { 3211 vap->iv_flags &= ~IEEE80211_F_DWDS; 3212 if (vap->iv_opmode == IEEE80211_M_STA) 3213 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3214 } 3215 break; 3216 case IEEE80211_IOC_INACTIVITY: 3217 if (ireq->i_val) 3218 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3219 else 3220 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3221 break; 3222 case IEEE80211_IOC_APPIE: 3223 error = ieee80211_ioctl_setappie(vap, ireq); 3224 break; 3225 case IEEE80211_IOC_WPS: 3226 if (ireq->i_val) { 3227 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3228 return EOPNOTSUPP; 3229 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3230 } else 3231 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3232 break; 3233 case IEEE80211_IOC_TSN: 3234 if (ireq->i_val) { 3235 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3236 return EOPNOTSUPP; 3237 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3238 } else 3239 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3240 break; 3241 case IEEE80211_IOC_CHANSWITCH: 3242 error = ieee80211_ioctl_chanswitch(vap, ireq); 3243 break; 3244 case IEEE80211_IOC_DFS: 3245 if (ireq->i_val) { 3246 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3247 return EOPNOTSUPP; 3248 /* NB: DFS requires 11h support */ 3249 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3250 return EINVAL; 3251 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3252 } else 3253 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3254 break; 3255 case IEEE80211_IOC_DOTD: 3256 if (ireq->i_val) 3257 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3258 else 3259 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3260 if (vap->iv_opmode == IEEE80211_M_STA) 3261 error = ENETRESET; 3262 break; 3263 case IEEE80211_IOC_HTPROTMODE: 3264 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3265 return EINVAL; 3266 ic->ic_htprotmode = ireq->i_val ? 3267 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3268 /* NB: if not operating in 11n this can wait */ 3269 if (isvapht(vap)) 3270 error = ERESTART; 3271 break; 3272 case IEEE80211_IOC_STA_VLAN: 3273 error = ieee80211_ioctl_setstavlan(vap, ireq); 3274 break; 3275 case IEEE80211_IOC_SMPS: 3276 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3277 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3278 return EINVAL; 3279 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3280 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3281 return EOPNOTSUPP; 3282 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3283 ireq->i_val; 3284 /* NB: if not operating in 11n this can wait */ 3285 if (isvapht(vap)) 3286 error = ERESTART; 3287 break; 3288 case IEEE80211_IOC_RIFS: 3289 if (ireq->i_val != 0) { 3290 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3291 return EOPNOTSUPP; 3292 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3293 } else 3294 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3295 /* NB: if not operating in 11n this can wait */ 3296 if (isvapht(vap)) 3297 error = ERESTART; 3298 break; 3299 case IEEE80211_IOC_STBC: 3300 /* Check if we can do STBC TX/RX before changing the setting */ 3301 if ((ireq->i_val & 1) && 3302 ((vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) == 0)) 3303 return EOPNOTSUPP; 3304 if ((ireq->i_val & 2) && 3305 ((vap->iv_htcaps & IEEE80211_HTCAP_RXSTBC) == 0)) 3306 return EOPNOTSUPP; 3307 3308 /* TX */ 3309 if (ireq->i_val & 1) 3310 vap->iv_flags_ht |= IEEE80211_FHT_STBC_TX; 3311 else 3312 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_TX; 3313 3314 /* RX */ 3315 if (ireq->i_val & 2) 3316 vap->iv_flags_ht |= IEEE80211_FHT_STBC_RX; 3317 else 3318 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_RX; 3319 3320 /* NB: reset only if we're operating on an 11n channel */ 3321 if (isvapht(vap)) 3322 error = ERESTART; 3323 break; 3324 default: 3325 error = ieee80211_ioctl_setdefault(vap, ireq); 3326 break; 3327 } 3328 /* 3329 * The convention is that ENETRESET means an operation 3330 * requires a complete re-initialization of the device (e.g. 3331 * changing something that affects the association state). 3332 * ERESTART means the request may be handled with only a 3333 * reload of the hardware state. We hand ERESTART requests 3334 * to the iv_reset callback so the driver can decide. If 3335 * a device does not fillin iv_reset then it defaults to one 3336 * that returns ENETRESET. Otherwise a driver may return 3337 * ENETRESET (in which case a full reset will be done) or 3338 * 0 to mean there's no need to do anything (e.g. when the 3339 * change has no effect on the driver/device). 3340 */ 3341 if (error == ERESTART) 3342 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3343 vap->iv_reset(vap, ireq->i_type) : 0; 3344 if (error == ENETRESET) { 3345 /* XXX need to re-think AUTO handling */ 3346 if (IS_UP_AUTO(vap)) 3347 ieee80211_init(vap); 3348 error = 0; 3349 } 3350 return error; 3351 } 3352 3353 int 3354 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3355 { 3356 struct ieee80211vap *vap = ifp->if_softc; 3357 struct ieee80211com *ic = vap->iv_ic; 3358 int error = 0, wait = 0; 3359 struct ifreq *ifr; 3360 struct ifaddr *ifa; /* XXX */ 3361 3362 switch (cmd) { 3363 case SIOCSIFFLAGS: 3364 IEEE80211_LOCK(ic); 3365 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_PROMISC) { 3366 /* 3367 * Enable promiscuous mode when: 3368 * 1. Interface is not a member of bridge, or 3369 * 2. Requested by user, or 3370 * 3. In monitor (or adhoc-demo) mode. 3371 */ 3372 if (ifp->if_bridge == NULL || 3373 (ifp->if_flags & IFF_PPROMISC) != 0 || 3374 vap->iv_opmode == IEEE80211_M_MONITOR || 3375 (vap->iv_opmode == IEEE80211_M_AHDEMO && 3376 (vap->iv_caps & IEEE80211_C_TDMA) == 0)) { 3377 ieee80211_promisc(vap, 3378 ifp->if_flags & IFF_PROMISC); 3379 vap->iv_ifflags ^= IFF_PROMISC; 3380 } 3381 } 3382 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_ALLMULTI) { 3383 ieee80211_allmulti(vap, ifp->if_flags & IFF_ALLMULTI); 3384 vap->iv_ifflags ^= IFF_ALLMULTI; 3385 } 3386 if (ifp->if_flags & IFF_UP) { 3387 /* 3388 * Bring ourself up unless we're already operational. 3389 * If we're the first vap and the parent is not up 3390 * then it will automatically be brought up as a 3391 * side-effect of bringing ourself up. 3392 */ 3393 if (vap->iv_state == IEEE80211_S_INIT) { 3394 if (ic->ic_nrunning == 0) 3395 wait = 1; 3396 ieee80211_start_locked(vap); 3397 } 3398 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 3399 /* 3400 * Stop ourself. If we are the last vap to be 3401 * marked down the parent will also be taken down. 3402 */ 3403 if (ic->ic_nrunning == 1) 3404 wait = 1; 3405 ieee80211_stop_locked(vap); 3406 } 3407 IEEE80211_UNLOCK(ic); 3408 /* Wait for parent ioctl handler if it was queued */ 3409 if (wait) { 3410 ieee80211_waitfor_parent(ic); 3411 3412 /* 3413 * Check if the MAC address was changed 3414 * via SIOCSIFLLADDR ioctl. 3415 */ 3416 if_addr_rlock(ifp); 3417 if ((ifp->if_flags & IFF_UP) == 0 && 3418 !IEEE80211_ADDR_EQ(vap->iv_myaddr, IF_LLADDR(ifp))) 3419 IEEE80211_ADDR_COPY(vap->iv_myaddr, 3420 IF_LLADDR(ifp)); 3421 if_addr_runlock(ifp); 3422 } 3423 break; 3424 case SIOCADDMULTI: 3425 case SIOCDELMULTI: 3426 ieee80211_runtask(ic, &ic->ic_mcast_task); 3427 break; 3428 case SIOCSIFMEDIA: 3429 case SIOCGIFMEDIA: 3430 ifr = (struct ifreq *)data; 3431 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3432 break; 3433 case SIOCG80211: 3434 error = ieee80211_ioctl_get80211(vap, cmd, 3435 (struct ieee80211req *) data); 3436 break; 3437 case SIOCS80211: 3438 error = priv_check(curthread, PRIV_NET80211_MANAGE); 3439 if (error == 0) 3440 error = ieee80211_ioctl_set80211(vap, cmd, 3441 (struct ieee80211req *) data); 3442 break; 3443 case SIOCG80211STATS: 3444 ifr = (struct ifreq *)data; 3445 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats)); 3446 break; 3447 case SIOCSIFMTU: 3448 ifr = (struct ifreq *)data; 3449 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3450 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3451 error = EINVAL; 3452 else 3453 ifp->if_mtu = ifr->ifr_mtu; 3454 break; 3455 case SIOCSIFADDR: 3456 /* 3457 * XXX Handle this directly so we can suppress if_init calls. 3458 * XXX This should be done in ether_ioctl but for the moment 3459 * XXX there are too many other parts of the system that 3460 * XXX set IFF_UP and so suppress if_init being called when 3461 * XXX it should be. 3462 */ 3463 ifa = (struct ifaddr *) data; 3464 switch (ifa->ifa_addr->sa_family) { 3465 #ifdef INET 3466 case AF_INET: 3467 if ((ifp->if_flags & IFF_UP) == 0) { 3468 ifp->if_flags |= IFF_UP; 3469 ifp->if_init(ifp->if_softc); 3470 } 3471 arp_ifinit(ifp, ifa); 3472 break; 3473 #endif 3474 default: 3475 if ((ifp->if_flags & IFF_UP) == 0) { 3476 ifp->if_flags |= IFF_UP; 3477 ifp->if_init(ifp->if_softc); 3478 } 3479 break; 3480 } 3481 break; 3482 default: 3483 /* 3484 * Pass unknown ioctls first to the driver, and if it 3485 * returns ENOTTY, then to the generic Ethernet handler. 3486 */ 3487 if (ic->ic_ioctl != NULL && 3488 (error = ic->ic_ioctl(ic, cmd, data)) != ENOTTY) 3489 break; 3490 error = ether_ioctl(ifp, cmd, data); 3491 break; 3492 } 3493 return (error); 3494 } 3495