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 dc->dc_vhtcaps = ic->ic_vhtcaps; 714 ci = &dc->dc_chaninfo; 715 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans); 716 KASSERT(ci->ic_nchans <= maxchans, 717 ("nchans %d maxchans %d", ci->ic_nchans, maxchans)); 718 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans); 719 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc)); 720 IEEE80211_FREE(dc, M_TEMP); 721 return error; 722 } 723 724 static int 725 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 726 { 727 struct ieee80211_node *ni; 728 struct ieee80211req_sta_vlan vlan; 729 int error; 730 731 if (ireq->i_len != sizeof(vlan)) 732 return EINVAL; 733 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 734 if (error != 0) 735 return error; 736 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 737 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 738 vlan.sv_macaddr); 739 if (ni == NULL) 740 return ENOENT; 741 } else 742 ni = ieee80211_ref_node(vap->iv_bss); 743 vlan.sv_vlan = ni->ni_vlan; 744 error = copyout(&vlan, ireq->i_data, sizeof(vlan)); 745 ieee80211_free_node(ni); 746 return error; 747 } 748 749 /* 750 * Dummy ioctl get handler so the linker set is defined. 751 */ 752 static int 753 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq) 754 { 755 return ENOSYS; 756 } 757 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get); 758 759 static int 760 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 761 { 762 ieee80211_ioctl_getfunc * const *get; 763 int error; 764 765 SET_FOREACH(get, ieee80211_ioctl_getset) { 766 error = (*get)(vap, ireq); 767 if (error != ENOSYS) 768 return error; 769 } 770 return EINVAL; 771 } 772 773 static int 774 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd, 775 struct ieee80211req *ireq) 776 { 777 #define MS(_v, _f) (((_v) & _f) >> _f##_S) 778 struct ieee80211com *ic = vap->iv_ic; 779 u_int kid, len; 780 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 781 char tmpssid[IEEE80211_NWID_LEN]; 782 int error = 0; 783 784 switch (ireq->i_type) { 785 case IEEE80211_IOC_SSID: 786 switch (vap->iv_state) { 787 case IEEE80211_S_INIT: 788 case IEEE80211_S_SCAN: 789 ireq->i_len = vap->iv_des_ssid[0].len; 790 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); 791 break; 792 default: 793 ireq->i_len = vap->iv_bss->ni_esslen; 794 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); 795 break; 796 } 797 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 798 break; 799 case IEEE80211_IOC_NUMSSIDS: 800 ireq->i_val = 1; 801 break; 802 case IEEE80211_IOC_WEP: 803 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 804 ireq->i_val = IEEE80211_WEP_OFF; 805 else if (vap->iv_flags & IEEE80211_F_DROPUNENC) 806 ireq->i_val = IEEE80211_WEP_ON; 807 else 808 ireq->i_val = IEEE80211_WEP_MIXED; 809 break; 810 case IEEE80211_IOC_WEPKEY: 811 kid = (u_int) ireq->i_val; 812 if (kid >= IEEE80211_WEP_NKID) 813 return EINVAL; 814 len = (u_int) vap->iv_nw_keys[kid].wk_keylen; 815 /* NB: only root can read WEP keys */ 816 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 817 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); 818 } else { 819 bzero(tmpkey, len); 820 } 821 ireq->i_len = len; 822 error = copyout(tmpkey, ireq->i_data, len); 823 break; 824 case IEEE80211_IOC_NUMWEPKEYS: 825 ireq->i_val = IEEE80211_WEP_NKID; 826 break; 827 case IEEE80211_IOC_WEPTXKEY: 828 ireq->i_val = vap->iv_def_txkey; 829 break; 830 case IEEE80211_IOC_AUTHMODE: 831 if (vap->iv_flags & IEEE80211_F_WPA) 832 ireq->i_val = IEEE80211_AUTH_WPA; 833 else 834 ireq->i_val = vap->iv_bss->ni_authmode; 835 break; 836 case IEEE80211_IOC_CHANNEL: 837 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 838 break; 839 case IEEE80211_IOC_POWERSAVE: 840 if (vap->iv_flags & IEEE80211_F_PMGTON) 841 ireq->i_val = IEEE80211_POWERSAVE_ON; 842 else 843 ireq->i_val = IEEE80211_POWERSAVE_OFF; 844 break; 845 case IEEE80211_IOC_POWERSAVESLEEP: 846 ireq->i_val = ic->ic_lintval; 847 break; 848 case IEEE80211_IOC_RTSTHRESHOLD: 849 ireq->i_val = vap->iv_rtsthreshold; 850 break; 851 case IEEE80211_IOC_PROTMODE: 852 ireq->i_val = ic->ic_protmode; 853 break; 854 case IEEE80211_IOC_TXPOWER: 855 /* 856 * Tx power limit is the min of max regulatory 857 * power, any user-set limit, and the max the 858 * radio can do. 859 * 860 * TODO: methodize this 861 */ 862 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; 863 if (ireq->i_val > ic->ic_txpowlimit) 864 ireq->i_val = ic->ic_txpowlimit; 865 if (ireq->i_val > ic->ic_curchan->ic_maxpower) 866 ireq->i_val = ic->ic_curchan->ic_maxpower; 867 break; 868 case IEEE80211_IOC_WPA: 869 switch (vap->iv_flags & IEEE80211_F_WPA) { 870 case IEEE80211_F_WPA1: 871 ireq->i_val = 1; 872 break; 873 case IEEE80211_F_WPA2: 874 ireq->i_val = 2; 875 break; 876 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 877 ireq->i_val = 3; 878 break; 879 default: 880 ireq->i_val = 0; 881 break; 882 } 883 break; 884 case IEEE80211_IOC_CHANLIST: 885 error = ieee80211_ioctl_getchanlist(vap, ireq); 886 break; 887 case IEEE80211_IOC_ROAMING: 888 ireq->i_val = vap->iv_roaming; 889 break; 890 case IEEE80211_IOC_PRIVACY: 891 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; 892 break; 893 case IEEE80211_IOC_DROPUNENCRYPTED: 894 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; 895 break; 896 case IEEE80211_IOC_COUNTERMEASURES: 897 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; 898 break; 899 case IEEE80211_IOC_WME: 900 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; 901 break; 902 case IEEE80211_IOC_HIDESSID: 903 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; 904 break; 905 case IEEE80211_IOC_APBRIDGE: 906 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; 907 break; 908 case IEEE80211_IOC_WPAKEY: 909 error = ieee80211_ioctl_getkey(vap, ireq); 910 break; 911 case IEEE80211_IOC_CHANINFO: 912 error = ieee80211_ioctl_getchaninfo(vap, ireq); 913 break; 914 case IEEE80211_IOC_BSSID: 915 if (ireq->i_len != IEEE80211_ADDR_LEN) 916 return EINVAL; 917 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) { 918 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ? 919 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid, 920 ireq->i_data, ireq->i_len); 921 } else 922 error = copyout(vap->iv_des_bssid, ireq->i_data, 923 ireq->i_len); 924 break; 925 case IEEE80211_IOC_WPAIE: 926 case IEEE80211_IOC_WPAIE2: 927 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 928 break; 929 case IEEE80211_IOC_SCAN_RESULTS: 930 error = ieee80211_ioctl_getscanresults(vap, ireq); 931 break; 932 case IEEE80211_IOC_STA_STATS: 933 error = ieee80211_ioctl_getstastats(vap, ireq); 934 break; 935 case IEEE80211_IOC_TXPOWMAX: 936 ireq->i_val = vap->iv_bss->ni_txpower; 937 break; 938 case IEEE80211_IOC_STA_TXPOW: 939 error = ieee80211_ioctl_getstatxpow(vap, ireq); 940 break; 941 case IEEE80211_IOC_STA_INFO: 942 error = ieee80211_ioctl_getstainfo(vap, ireq); 943 break; 944 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 945 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 946 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 947 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 948 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 949 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 950 error = ieee80211_ioctl_getwmeparam(vap, ireq); 951 break; 952 case IEEE80211_IOC_DTIM_PERIOD: 953 ireq->i_val = vap->iv_dtim_period; 954 break; 955 case IEEE80211_IOC_BEACON_INTERVAL: 956 /* NB: get from ic_bss for station mode */ 957 ireq->i_val = vap->iv_bss->ni_intval; 958 break; 959 case IEEE80211_IOC_PUREG: 960 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; 961 break; 962 case IEEE80211_IOC_QUIET: 963 ireq->i_val = vap->iv_quiet; 964 break; 965 case IEEE80211_IOC_QUIET_COUNT: 966 ireq->i_val = vap->iv_quiet_count; 967 break; 968 case IEEE80211_IOC_QUIET_PERIOD: 969 ireq->i_val = vap->iv_quiet_period; 970 break; 971 case IEEE80211_IOC_QUIET_DUR: 972 ireq->i_val = vap->iv_quiet_duration; 973 break; 974 case IEEE80211_IOC_QUIET_OFFSET: 975 ireq->i_val = vap->iv_quiet_offset; 976 break; 977 case IEEE80211_IOC_BGSCAN: 978 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 979 break; 980 case IEEE80211_IOC_BGSCAN_IDLE: 981 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 982 break; 983 case IEEE80211_IOC_BGSCAN_INTERVAL: 984 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 985 break; 986 case IEEE80211_IOC_SCANVALID: 987 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 988 break; 989 case IEEE80211_IOC_FRAGTHRESHOLD: 990 ireq->i_val = vap->iv_fragthreshold; 991 break; 992 case IEEE80211_IOC_MACCMD: 993 error = ieee80211_ioctl_getmaccmd(vap, ireq); 994 break; 995 case IEEE80211_IOC_BURST: 996 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 997 break; 998 case IEEE80211_IOC_BMISSTHRESHOLD: 999 ireq->i_val = vap->iv_bmissthreshold; 1000 break; 1001 case IEEE80211_IOC_CURCHAN: 1002 error = ieee80211_ioctl_getcurchan(vap, ireq); 1003 break; 1004 case IEEE80211_IOC_SHORTGI: 1005 ireq->i_val = 0; 1006 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) 1007 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 1008 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) 1009 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 1010 break; 1011 case IEEE80211_IOC_AMPDU: 1012 ireq->i_val = 0; 1013 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) 1014 ireq->i_val |= 1; 1015 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) 1016 ireq->i_val |= 2; 1017 break; 1018 case IEEE80211_IOC_AMPDU_LIMIT: 1019 /* XXX TODO: make this a per-node thing; and leave this as global */ 1020 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1021 ireq->i_val = vap->iv_ampdu_rxmax; 1022 else if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 1023 /* 1024 * XXX TODO: this isn't completely correct, as we've 1025 * negotiated the higher of the two. 1026 */ 1027 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1028 IEEE80211_HTCAP_MAXRXAMPDU); 1029 else 1030 ireq->i_val = vap->iv_ampdu_limit; 1031 break; 1032 case IEEE80211_IOC_AMPDU_DENSITY: 1033 /* XXX TODO: make this a per-node thing; and leave this as global */ 1034 if (vap->iv_opmode == IEEE80211_M_STA && 1035 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1036 /* 1037 * XXX TODO: this isn't completely correct, as we've 1038 * negotiated the higher of the two. 1039 */ 1040 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1041 IEEE80211_HTCAP_MPDUDENSITY); 1042 else 1043 ireq->i_val = vap->iv_ampdu_density; 1044 break; 1045 case IEEE80211_IOC_AMSDU: 1046 ireq->i_val = 0; 1047 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) 1048 ireq->i_val |= 1; 1049 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) 1050 ireq->i_val |= 2; 1051 break; 1052 case IEEE80211_IOC_AMSDU_LIMIT: 1053 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1054 break; 1055 case IEEE80211_IOC_PUREN: 1056 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; 1057 break; 1058 case IEEE80211_IOC_DOTH: 1059 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1060 break; 1061 case IEEE80211_IOC_REGDOMAIN: 1062 error = ieee80211_ioctl_getregdomain(vap, ireq); 1063 break; 1064 case IEEE80211_IOC_ROAM: 1065 error = ieee80211_ioctl_getroam(vap, ireq); 1066 break; 1067 case IEEE80211_IOC_TXPARAMS: 1068 error = ieee80211_ioctl_gettxparams(vap, ireq); 1069 break; 1070 case IEEE80211_IOC_HTCOMPAT: 1071 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; 1072 break; 1073 case IEEE80211_IOC_DWDS: 1074 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1075 break; 1076 case IEEE80211_IOC_INACTIVITY: 1077 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1078 break; 1079 case IEEE80211_IOC_APPIE: 1080 error = ieee80211_ioctl_getappie(vap, ireq); 1081 break; 1082 case IEEE80211_IOC_WPS: 1083 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1084 break; 1085 case IEEE80211_IOC_TSN: 1086 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1087 break; 1088 case IEEE80211_IOC_DFS: 1089 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1090 break; 1091 case IEEE80211_IOC_DOTD: 1092 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1093 break; 1094 case IEEE80211_IOC_DEVCAPS: 1095 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1096 break; 1097 case IEEE80211_IOC_HTPROTMODE: 1098 ireq->i_val = ic->ic_htprotmode; 1099 break; 1100 case IEEE80211_IOC_HTCONF: 1101 if (vap->iv_flags_ht & IEEE80211_FHT_HT) { 1102 ireq->i_val = 1; 1103 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) 1104 ireq->i_val |= 2; 1105 } else 1106 ireq->i_val = 0; 1107 break; 1108 case IEEE80211_IOC_STA_VLAN: 1109 error = ieee80211_ioctl_getstavlan(vap, ireq); 1110 break; 1111 case IEEE80211_IOC_SMPS: 1112 if (vap->iv_opmode == IEEE80211_M_STA && 1113 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) { 1114 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1115 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1116 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1117 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1118 else 1119 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1120 } else 1121 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1122 break; 1123 case IEEE80211_IOC_RIFS: 1124 if (vap->iv_opmode == IEEE80211_M_STA && 1125 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1126 ireq->i_val = 1127 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1128 else 1129 ireq->i_val = 1130 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; 1131 break; 1132 case IEEE80211_IOC_STBC: 1133 ireq->i_val = 0; 1134 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_TX) 1135 ireq->i_val |= 1; 1136 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_RX) 1137 ireq->i_val |= 2; 1138 break; 1139 case IEEE80211_IOC_LDPC: 1140 ireq->i_val = 0; 1141 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_TX) 1142 ireq->i_val |= 1; 1143 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_RX) 1144 ireq->i_val |= 2; 1145 break; 1146 1147 /* VHT */ 1148 case IEEE80211_IOC_VHTCONF: 1149 ireq->i_val = 0; 1150 if (vap->iv_flags_vht & IEEE80211_FVHT_VHT) 1151 ireq->i_val |= 1; 1152 if (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT40) 1153 ireq->i_val |= 2; 1154 if (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT80) 1155 ireq->i_val |= 4; 1156 if (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT80P80) 1157 ireq->i_val |= 8; 1158 if (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT160) 1159 ireq->i_val |= 16; 1160 break; 1161 1162 default: 1163 error = ieee80211_ioctl_getdefault(vap, ireq); 1164 break; 1165 } 1166 return error; 1167 #undef MS 1168 } 1169 1170 static int 1171 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1172 { 1173 struct ieee80211req_key ik; 1174 struct ieee80211_node *ni; 1175 struct ieee80211_key *wk; 1176 uint16_t kid; 1177 int error, i; 1178 1179 if (ireq->i_len != sizeof(ik)) 1180 return EINVAL; 1181 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1182 if (error) 1183 return error; 1184 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1185 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1186 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1187 return E2BIG; 1188 kid = ik.ik_keyix; 1189 if (kid == IEEE80211_KEYIX_NONE) { 1190 /* XXX unicast keys currently must be tx/rx */ 1191 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1192 return EINVAL; 1193 if (vap->iv_opmode == IEEE80211_M_STA) { 1194 ni = ieee80211_ref_node(vap->iv_bss); 1195 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1196 ieee80211_free_node(ni); 1197 return EADDRNOTAVAIL; 1198 } 1199 } else { 1200 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1201 ik.ik_macaddr); 1202 if (ni == NULL) 1203 return ENOENT; 1204 } 1205 wk = &ni->ni_ucastkey; 1206 } else { 1207 if (kid >= IEEE80211_WEP_NKID) 1208 return EINVAL; 1209 wk = &vap->iv_nw_keys[kid]; 1210 /* 1211 * Global slots start off w/o any assigned key index. 1212 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1213 */ 1214 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1215 wk->wk_keyix = kid; 1216 ni = NULL; 1217 } 1218 error = 0; 1219 ieee80211_key_update_begin(vap); 1220 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1221 wk->wk_keylen = ik.ik_keylen; 1222 /* NB: MIC presence is implied by cipher type */ 1223 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1224 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1225 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1226 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1227 wk->wk_keytsc = 0; /* new key, reset */ 1228 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1229 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1230 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1231 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1232 if (!ieee80211_crypto_setkey(vap, wk)) 1233 error = EIO; 1234 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1235 /* 1236 * Inform the driver that this is the default 1237 * transmit key. Now, ideally we'd just set 1238 * a flag in the key update that would 1239 * say "yes, we're the default key", but 1240 * that currently isn't the way the ioctl -> 1241 * key interface works. 1242 */ 1243 ieee80211_crypto_set_deftxkey(vap, kid); 1244 } else 1245 error = ENXIO; 1246 ieee80211_key_update_end(vap); 1247 if (ni != NULL) 1248 ieee80211_free_node(ni); 1249 return error; 1250 } 1251 1252 static int 1253 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1254 { 1255 struct ieee80211req_del_key dk; 1256 int kid, error; 1257 1258 if (ireq->i_len != sizeof(dk)) 1259 return EINVAL; 1260 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1261 if (error) 1262 return error; 1263 kid = dk.idk_keyix; 1264 /* XXX uint8_t -> uint16_t */ 1265 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1266 struct ieee80211_node *ni; 1267 1268 if (vap->iv_opmode == IEEE80211_M_STA) { 1269 ni = ieee80211_ref_node(vap->iv_bss); 1270 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1271 ieee80211_free_node(ni); 1272 return EADDRNOTAVAIL; 1273 } 1274 } else { 1275 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1276 dk.idk_macaddr); 1277 if (ni == NULL) 1278 return ENOENT; 1279 } 1280 /* XXX error return */ 1281 ieee80211_node_delucastkey(ni); 1282 ieee80211_free_node(ni); 1283 } else { 1284 if (kid >= IEEE80211_WEP_NKID) 1285 return EINVAL; 1286 /* XXX error return */ 1287 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1288 } 1289 return 0; 1290 } 1291 1292 struct mlmeop { 1293 struct ieee80211vap *vap; 1294 int op; 1295 int reason; 1296 }; 1297 1298 static void 1299 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1300 int op, int reason) 1301 { 1302 #ifdef IEEE80211_DEBUG 1303 static const struct { 1304 int mask; 1305 const char *opstr; 1306 } ops[] = { 1307 { 0, "op#0" }, 1308 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1309 IEEE80211_MSG_ASSOC, "assoc" }, 1310 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1311 IEEE80211_MSG_ASSOC, "disassoc" }, 1312 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1313 IEEE80211_MSG_AUTH, "deauth" }, 1314 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1315 IEEE80211_MSG_AUTH, "authorize" }, 1316 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1317 IEEE80211_MSG_AUTH, "unauthorize" }, 1318 }; 1319 1320 if (op == IEEE80211_MLME_AUTH) { 1321 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1322 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1323 "station authenticate %s via MLME (reason: %d (%s))", 1324 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1325 reason, ieee80211_reason_to_string(reason)); 1326 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1327 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1328 "unknown MLME request %d (reason: %d (%s))", op, reason, 1329 ieee80211_reason_to_string(reason)); 1330 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1331 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1332 "station %s via MLME", ops[op].opstr); 1333 } else { 1334 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1335 "station %s via MLME (reason: %d (%s))", ops[op].opstr, 1336 reason, ieee80211_reason_to_string(reason)); 1337 } 1338 #endif /* IEEE80211_DEBUG */ 1339 } 1340 1341 static void 1342 domlme(void *arg, struct ieee80211_node *ni) 1343 { 1344 struct mlmeop *mop = arg; 1345 struct ieee80211vap *vap = ni->ni_vap; 1346 1347 if (vap != mop->vap) 1348 return; 1349 /* 1350 * NB: if ni_associd is zero then the node is already cleaned 1351 * up and we don't need to do this (we're safely holding a 1352 * reference but should otherwise not modify it's state). 1353 */ 1354 if (ni->ni_associd == 0) 1355 return; 1356 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1357 if (mop->op == IEEE80211_MLME_DEAUTH) { 1358 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1359 mop->reason); 1360 } else { 1361 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1362 mop->reason); 1363 } 1364 ieee80211_node_leave(ni); 1365 } 1366 1367 static int 1368 setmlme_dropsta(struct ieee80211vap *vap, 1369 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1370 { 1371 struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta; 1372 struct ieee80211_node *ni; 1373 int error = 0; 1374 1375 /* NB: the broadcast address means do 'em all */ 1376 if (!IEEE80211_ADDR_EQ(mac, vap->iv_ifp->if_broadcastaddr)) { 1377 IEEE80211_NODE_LOCK(nt); 1378 ni = ieee80211_find_node_locked(nt, mac); 1379 IEEE80211_NODE_UNLOCK(nt); 1380 /* 1381 * Don't do the node update inside the node 1382 * table lock. This unfortunately causes LORs 1383 * with drivers and their TX paths. 1384 */ 1385 if (ni != NULL) { 1386 domlme(mlmeop, ni); 1387 ieee80211_free_node(ni); 1388 } else 1389 error = ENOENT; 1390 } else { 1391 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1392 } 1393 return error; 1394 } 1395 1396 static int 1397 setmlme_common(struct ieee80211vap *vap, int op, 1398 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1399 { 1400 struct ieee80211com *ic = vap->iv_ic; 1401 struct ieee80211_node_table *nt = &ic->ic_sta; 1402 struct ieee80211_node *ni; 1403 struct mlmeop mlmeop; 1404 int error; 1405 1406 error = 0; 1407 switch (op) { 1408 case IEEE80211_MLME_DISASSOC: 1409 case IEEE80211_MLME_DEAUTH: 1410 switch (vap->iv_opmode) { 1411 case IEEE80211_M_STA: 1412 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1413 /* XXX not quite right */ 1414 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1415 break; 1416 case IEEE80211_M_HOSTAP: 1417 mlmeop.vap = vap; 1418 mlmeop.op = op; 1419 mlmeop.reason = reason; 1420 error = setmlme_dropsta(vap, mac, &mlmeop); 1421 break; 1422 case IEEE80211_M_WDS: 1423 /* XXX user app should send raw frame? */ 1424 if (op != IEEE80211_MLME_DEAUTH) { 1425 error = EINVAL; 1426 break; 1427 } 1428 #if 0 1429 /* XXX accept any address, simplifies user code */ 1430 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1431 error = EINVAL; 1432 break; 1433 } 1434 #endif 1435 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1436 ni = ieee80211_ref_node(vap->iv_bss); 1437 IEEE80211_SEND_MGMT(ni, 1438 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1439 ieee80211_free_node(ni); 1440 break; 1441 case IEEE80211_M_MBSS: 1442 IEEE80211_NODE_LOCK(nt); 1443 ni = ieee80211_find_node_locked(nt, mac); 1444 /* 1445 * Don't do the node update inside the node 1446 * table lock. This unfortunately causes LORs 1447 * with drivers and their TX paths. 1448 */ 1449 IEEE80211_NODE_UNLOCK(nt); 1450 if (ni != NULL) { 1451 ieee80211_node_leave(ni); 1452 ieee80211_free_node(ni); 1453 } else { 1454 error = ENOENT; 1455 } 1456 break; 1457 default: 1458 error = EINVAL; 1459 break; 1460 } 1461 break; 1462 case IEEE80211_MLME_AUTHORIZE: 1463 case IEEE80211_MLME_UNAUTHORIZE: 1464 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1465 vap->iv_opmode != IEEE80211_M_WDS) { 1466 error = EINVAL; 1467 break; 1468 } 1469 IEEE80211_NODE_LOCK(nt); 1470 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1471 /* 1472 * Don't do the node update inside the node 1473 * table lock. This unfortunately causes LORs 1474 * with drivers and their TX paths. 1475 */ 1476 IEEE80211_NODE_UNLOCK(nt); 1477 if (ni != NULL) { 1478 mlmedebug(vap, mac, op, reason); 1479 if (op == IEEE80211_MLME_AUTHORIZE) 1480 ieee80211_node_authorize(ni); 1481 else 1482 ieee80211_node_unauthorize(ni); 1483 ieee80211_free_node(ni); 1484 } else 1485 error = ENOENT; 1486 break; 1487 case IEEE80211_MLME_AUTH: 1488 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1489 error = EINVAL; 1490 break; 1491 } 1492 IEEE80211_NODE_LOCK(nt); 1493 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1494 /* 1495 * Don't do the node update inside the node 1496 * table lock. This unfortunately causes LORs 1497 * with drivers and their TX paths. 1498 */ 1499 IEEE80211_NODE_UNLOCK(nt); 1500 if (ni != NULL) { 1501 mlmedebug(vap, mac, op, reason); 1502 if (reason == IEEE80211_STATUS_SUCCESS) { 1503 IEEE80211_SEND_MGMT(ni, 1504 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1505 /* 1506 * For shared key auth, just continue the 1507 * exchange. Otherwise when 802.1x is not in 1508 * use mark the port authorized at this point 1509 * so traffic can flow. 1510 */ 1511 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1512 ni->ni_challenge == NULL) 1513 ieee80211_node_authorize(ni); 1514 } else { 1515 vap->iv_stats.is_rx_acl++; 1516 ieee80211_send_error(ni, ni->ni_macaddr, 1517 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1518 ieee80211_node_leave(ni); 1519 } 1520 ieee80211_free_node(ni); 1521 } else 1522 error = ENOENT; 1523 break; 1524 default: 1525 error = EINVAL; 1526 break; 1527 } 1528 return error; 1529 } 1530 1531 struct scanlookup { 1532 const uint8_t *mac; 1533 int esslen; 1534 const uint8_t *essid; 1535 const struct ieee80211_scan_entry *se; 1536 }; 1537 1538 /* 1539 * Match mac address and any ssid. 1540 */ 1541 static void 1542 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1543 { 1544 struct scanlookup *look = arg; 1545 1546 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1547 return; 1548 if (look->esslen != 0) { 1549 if (se->se_ssid[1] != look->esslen) 1550 return; 1551 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1552 return; 1553 } 1554 look->se = se; 1555 } 1556 1557 static int 1558 setmlme_assoc_sta(struct ieee80211vap *vap, 1559 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1560 const uint8_t ssid[IEEE80211_NWID_LEN]) 1561 { 1562 struct scanlookup lookup; 1563 1564 KASSERT(vap->iv_opmode == IEEE80211_M_STA, 1565 ("expected opmode STA not %s", 1566 ieee80211_opmode_name[vap->iv_opmode])); 1567 1568 /* NB: this is racey if roaming is !manual */ 1569 lookup.se = NULL; 1570 lookup.mac = mac; 1571 lookup.esslen = ssid_len; 1572 lookup.essid = ssid; 1573 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1574 if (lookup.se == NULL) 1575 return ENOENT; 1576 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1577 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1578 return EIO; /* XXX unique but could be better */ 1579 return 0; 1580 } 1581 1582 static int 1583 setmlme_assoc_adhoc(struct ieee80211vap *vap, 1584 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1585 const uint8_t ssid[IEEE80211_NWID_LEN]) 1586 { 1587 struct ieee80211_scan_req *sr; 1588 int error; 1589 1590 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS || 1591 vap->iv_opmode == IEEE80211_M_AHDEMO, 1592 ("expected opmode IBSS or AHDEMO not %s", 1593 ieee80211_opmode_name[vap->iv_opmode])); 1594 1595 if (ssid_len == 0) 1596 return EINVAL; 1597 1598 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 1599 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1600 if (sr == NULL) 1601 return ENOMEM; 1602 1603 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */ 1604 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 1605 vap->iv_des_ssid[0].len = ssid_len; 1606 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len); 1607 vap->iv_des_nssid = 1; 1608 1609 sr->sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE; 1610 sr->sr_duration = IEEE80211_IOC_SCAN_FOREVER; 1611 memcpy(sr->sr_ssid[0].ssid, ssid, ssid_len); 1612 sr->sr_ssid[0].len = ssid_len; 1613 sr->sr_nssid = 1; 1614 1615 error = ieee80211_scanreq(vap, sr); 1616 1617 IEEE80211_FREE(sr, M_TEMP); 1618 return error; 1619 } 1620 1621 static int 1622 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1623 { 1624 struct ieee80211req_mlme mlme; 1625 int error; 1626 1627 if (ireq->i_len != sizeof(mlme)) 1628 return EINVAL; 1629 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1630 if (error) 1631 return error; 1632 if (vap->iv_opmode == IEEE80211_M_STA && 1633 mlme.im_op == IEEE80211_MLME_ASSOC) 1634 return setmlme_assoc_sta(vap, mlme.im_macaddr, 1635 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1636 else if ((vap->iv_opmode == IEEE80211_M_IBSS || 1637 vap->iv_opmode == IEEE80211_M_AHDEMO) && 1638 mlme.im_op == IEEE80211_MLME_ASSOC) 1639 return setmlme_assoc_adhoc(vap, mlme.im_macaddr, 1640 mlme.im_ssid_len, mlme.im_ssid); 1641 else 1642 return setmlme_common(vap, mlme.im_op, 1643 mlme.im_macaddr, mlme.im_reason); 1644 } 1645 1646 static int 1647 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1648 { 1649 uint8_t mac[IEEE80211_ADDR_LEN]; 1650 const struct ieee80211_aclator *acl = vap->iv_acl; 1651 int error; 1652 1653 if (ireq->i_len != sizeof(mac)) 1654 return EINVAL; 1655 error = copyin(ireq->i_data, mac, ireq->i_len); 1656 if (error) 1657 return error; 1658 if (acl == NULL) { 1659 acl = ieee80211_aclator_get("mac"); 1660 if (acl == NULL || !acl->iac_attach(vap)) 1661 return EINVAL; 1662 vap->iv_acl = acl; 1663 } 1664 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1665 acl->iac_add(vap, mac); 1666 else 1667 acl->iac_remove(vap, mac); 1668 return 0; 1669 } 1670 1671 static int 1672 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1673 { 1674 const struct ieee80211_aclator *acl = vap->iv_acl; 1675 1676 switch (ireq->i_val) { 1677 case IEEE80211_MACCMD_POLICY_OPEN: 1678 case IEEE80211_MACCMD_POLICY_ALLOW: 1679 case IEEE80211_MACCMD_POLICY_DENY: 1680 case IEEE80211_MACCMD_POLICY_RADIUS: 1681 if (acl == NULL) { 1682 acl = ieee80211_aclator_get("mac"); 1683 if (acl == NULL || !acl->iac_attach(vap)) 1684 return EINVAL; 1685 vap->iv_acl = acl; 1686 } 1687 acl->iac_setpolicy(vap, ireq->i_val); 1688 break; 1689 case IEEE80211_MACCMD_FLUSH: 1690 if (acl != NULL) 1691 acl->iac_flush(vap); 1692 /* NB: silently ignore when not in use */ 1693 break; 1694 case IEEE80211_MACCMD_DETACH: 1695 if (acl != NULL) { 1696 vap->iv_acl = NULL; 1697 acl->iac_detach(vap); 1698 } 1699 break; 1700 default: 1701 if (acl == NULL) 1702 return EINVAL; 1703 else 1704 return acl->iac_setioctl(vap, ireq); 1705 } 1706 return 0; 1707 } 1708 1709 static int 1710 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1711 { 1712 struct ieee80211com *ic = vap->iv_ic; 1713 uint8_t *chanlist, *list; 1714 int i, nchan, maxchan, error; 1715 1716 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1717 ireq->i_len = sizeof(ic->ic_chan_active); 1718 list = IEEE80211_MALLOC(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1719 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1720 if (list == NULL) 1721 return ENOMEM; 1722 error = copyin(ireq->i_data, list, ireq->i_len); 1723 if (error) { 1724 IEEE80211_FREE(list, M_TEMP); 1725 return error; 1726 } 1727 nchan = 0; 1728 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1729 maxchan = ireq->i_len * NBBY; 1730 for (i = 0; i < ic->ic_nchans; i++) { 1731 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1732 /* 1733 * Calculate the intersection of the user list and the 1734 * available channels so users can do things like specify 1735 * 1-255 to get all available channels. 1736 */ 1737 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1738 setbit(chanlist, c->ic_ieee); 1739 nchan++; 1740 } 1741 } 1742 if (nchan == 0) { 1743 IEEE80211_FREE(list, M_TEMP); 1744 return EINVAL; 1745 } 1746 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1747 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1748 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1749 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1750 ieee80211_scan_flush(vap); 1751 IEEE80211_FREE(list, M_TEMP); 1752 return ENETRESET; 1753 } 1754 1755 static int 1756 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1757 { 1758 struct ieee80211_node *ni; 1759 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1760 int error; 1761 1762 /* 1763 * NB: we could copyin ieee80211req_sta_stats so apps 1764 * could make selective changes but that's overkill; 1765 * just clear all stats for now. 1766 */ 1767 if (ireq->i_len < IEEE80211_ADDR_LEN) 1768 return EINVAL; 1769 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1770 if (error != 0) 1771 return error; 1772 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1773 if (ni == NULL) 1774 return ENOENT; 1775 /* XXX require ni_vap == vap? */ 1776 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1777 ieee80211_free_node(ni); 1778 return 0; 1779 } 1780 1781 static int 1782 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1783 { 1784 struct ieee80211_node *ni; 1785 struct ieee80211req_sta_txpow txpow; 1786 int error; 1787 1788 if (ireq->i_len != sizeof(txpow)) 1789 return EINVAL; 1790 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1791 if (error != 0) 1792 return error; 1793 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1794 if (ni == NULL) 1795 return ENOENT; 1796 ni->ni_txpower = txpow.it_txpow; 1797 ieee80211_free_node(ni); 1798 return error; 1799 } 1800 1801 static int 1802 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1803 { 1804 struct ieee80211com *ic = vap->iv_ic; 1805 struct ieee80211_wme_state *wme = &ic->ic_wme; 1806 struct wmeParams *wmep, *chanp; 1807 int isbss, ac, aggrmode; 1808 1809 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1810 return EOPNOTSUPP; 1811 1812 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1813 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1814 aggrmode = (wme->wme_flags & WME_F_AGGRMODE); 1815 if (ac >= WME_NUM_AC) 1816 ac = WME_AC_BE; 1817 if (isbss) { 1818 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1819 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1820 } else { 1821 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1822 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1823 } 1824 switch (ireq->i_type) { 1825 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1826 wmep->wmep_logcwmin = ireq->i_val; 1827 if (!isbss || !aggrmode) 1828 chanp->wmep_logcwmin = ireq->i_val; 1829 break; 1830 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1831 wmep->wmep_logcwmax = ireq->i_val; 1832 if (!isbss || !aggrmode) 1833 chanp->wmep_logcwmax = ireq->i_val; 1834 break; 1835 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1836 wmep->wmep_aifsn = ireq->i_val; 1837 if (!isbss || !aggrmode) 1838 chanp->wmep_aifsn = ireq->i_val; 1839 break; 1840 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1841 wmep->wmep_txopLimit = ireq->i_val; 1842 if (!isbss || !aggrmode) 1843 chanp->wmep_txopLimit = ireq->i_val; 1844 break; 1845 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1846 wmep->wmep_acm = ireq->i_val; 1847 if (!aggrmode) 1848 chanp->wmep_acm = ireq->i_val; 1849 break; 1850 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1851 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1852 (ireq->i_val) == 0; 1853 break; 1854 } 1855 ieee80211_wme_updateparams(vap); 1856 return 0; 1857 } 1858 1859 static int 1860 find11gchannel(struct ieee80211com *ic, int start, int freq) 1861 { 1862 const struct ieee80211_channel *c; 1863 int i; 1864 1865 for (i = start+1; i < ic->ic_nchans; i++) { 1866 c = &ic->ic_channels[i]; 1867 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1868 return 1; 1869 } 1870 /* NB: should not be needed but in case things are mis-sorted */ 1871 for (i = 0; i < start; i++) { 1872 c = &ic->ic_channels[i]; 1873 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1874 return 1; 1875 } 1876 return 0; 1877 } 1878 1879 static struct ieee80211_channel * 1880 findchannel(struct ieee80211com *ic, int ieee, int mode) 1881 { 1882 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1883 [IEEE80211_MODE_AUTO] = 0, 1884 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1885 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1886 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1887 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1888 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1889 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1890 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1891 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1892 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1893 /* NB: handled specially below */ 1894 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1895 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1896 [IEEE80211_MODE_VHT_5GHZ] = IEEE80211_CHAN_A, 1897 [IEEE80211_MODE_VHT_2GHZ] = IEEE80211_CHAN_G, 1898 }; 1899 u_int modeflags; 1900 int i; 1901 1902 modeflags = chanflags[mode]; 1903 for (i = 0; i < ic->ic_nchans; i++) { 1904 struct ieee80211_channel *c = &ic->ic_channels[i]; 1905 1906 if (c->ic_ieee != ieee) 1907 continue; 1908 if (mode == IEEE80211_MODE_AUTO) { 1909 /* ignore turbo channels for autoselect */ 1910 if (IEEE80211_IS_CHAN_TURBO(c)) 1911 continue; 1912 /* 1913 * XXX special-case 11b/g channels so we 1914 * always select the g channel if both 1915 * are present. 1916 * XXX prefer HT to non-HT? 1917 */ 1918 if (!IEEE80211_IS_CHAN_B(c) || 1919 !find11gchannel(ic, i, c->ic_freq)) 1920 return c; 1921 } else { 1922 /* must check VHT specifically */ 1923 if ((mode == IEEE80211_MODE_VHT_5GHZ || 1924 mode == IEEE80211_MODE_VHT_2GHZ) && 1925 !IEEE80211_IS_CHAN_VHT(c)) 1926 continue; 1927 1928 /* 1929 * Must check HT specially - only match on HT, 1930 * not HT+VHT channels 1931 */ 1932 if ((mode == IEEE80211_MODE_11NA || 1933 mode == IEEE80211_MODE_11NG) && 1934 !IEEE80211_IS_CHAN_HT(c)) 1935 continue; 1936 1937 if ((mode == IEEE80211_MODE_11NA || 1938 mode == IEEE80211_MODE_11NG) && 1939 IEEE80211_IS_CHAN_VHT(c)) 1940 continue; 1941 1942 /* Check that the modeflags above match */ 1943 if ((c->ic_flags & modeflags) == modeflags) 1944 return c; 1945 } 1946 } 1947 return NULL; 1948 } 1949 1950 /* 1951 * Check the specified against any desired mode (aka netband). 1952 * This is only used (presently) when operating in hostap mode 1953 * to enforce consistency. 1954 */ 1955 static int 1956 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1957 { 1958 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1959 1960 switch (mode) { 1961 case IEEE80211_MODE_11B: 1962 return (IEEE80211_IS_CHAN_B(c)); 1963 case IEEE80211_MODE_11G: 1964 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1965 case IEEE80211_MODE_11A: 1966 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1967 case IEEE80211_MODE_STURBO_A: 1968 return (IEEE80211_IS_CHAN_STURBO(c)); 1969 case IEEE80211_MODE_11NA: 1970 return (IEEE80211_IS_CHAN_HTA(c)); 1971 case IEEE80211_MODE_11NG: 1972 return (IEEE80211_IS_CHAN_HTG(c)); 1973 } 1974 return 1; 1975 1976 } 1977 1978 /* 1979 * Common code to set the current channel. If the device 1980 * is up and running this may result in an immediate channel 1981 * change or a kick of the state machine. 1982 */ 1983 static int 1984 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 1985 { 1986 struct ieee80211com *ic = vap->iv_ic; 1987 int error; 1988 1989 if (c != IEEE80211_CHAN_ANYC) { 1990 if (IEEE80211_IS_CHAN_RADAR(c)) 1991 return EBUSY; /* XXX better code? */ 1992 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 1993 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 1994 return EINVAL; 1995 if (!check_mode_consistency(c, vap->iv_des_mode)) 1996 return EINVAL; 1997 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 1998 if (IEEE80211_IS_CHAN_NOADHOC(c)) 1999 return EINVAL; 2000 } 2001 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) && 2002 vap->iv_bss->ni_chan == c) 2003 return 0; /* NB: nothing to do */ 2004 } 2005 vap->iv_des_chan = c; 2006 2007 error = 0; 2008 if (vap->iv_opmode == IEEE80211_M_MONITOR && 2009 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 2010 /* 2011 * Monitor mode can switch directly. 2012 */ 2013 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 2014 /* XXX need state machine for other vap's to follow */ 2015 ieee80211_setcurchan(ic, vap->iv_des_chan); 2016 vap->iv_bss->ni_chan = ic->ic_curchan; 2017 } else { 2018 ic->ic_curchan = vap->iv_des_chan; 2019 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 2020 } 2021 } else { 2022 /* 2023 * Need to go through the state machine in case we 2024 * need to reassociate or the like. The state machine 2025 * will pickup the desired channel and avoid scanning. 2026 */ 2027 if (IS_UP_AUTO(vap)) 2028 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2029 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 2030 /* 2031 * When not up+running and a real channel has 2032 * been specified fix the current channel so 2033 * there is immediate feedback; e.g. via ifconfig. 2034 */ 2035 ic->ic_curchan = vap->iv_des_chan; 2036 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 2037 } 2038 } 2039 return error; 2040 } 2041 2042 /* 2043 * Old api for setting the current channel; this is 2044 * deprecated because channel numbers are ambiguous. 2045 */ 2046 static int 2047 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 2048 const struct ieee80211req *ireq) 2049 { 2050 struct ieee80211com *ic = vap->iv_ic; 2051 struct ieee80211_channel *c; 2052 2053 /* XXX 0xffff overflows 16-bit signed */ 2054 if (ireq->i_val == 0 || 2055 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 2056 c = IEEE80211_CHAN_ANYC; 2057 } else { 2058 struct ieee80211_channel *c2; 2059 2060 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 2061 if (c == NULL) { 2062 c = findchannel(ic, ireq->i_val, 2063 IEEE80211_MODE_AUTO); 2064 if (c == NULL) 2065 return EINVAL; 2066 } 2067 2068 /* 2069 * Fine tune channel selection based on desired mode: 2070 * if 11b is requested, find the 11b version of any 2071 * 11g channel returned, 2072 * if static turbo, find the turbo version of any 2073 * 11a channel return, 2074 * if 11na is requested, find the ht version of any 2075 * 11a channel returned, 2076 * if 11ng is requested, find the ht version of any 2077 * 11g channel returned, 2078 * if 11ac is requested, find the 11ac version 2079 * of any 11a/11na channel returned, 2080 * (TBD) 11acg (2GHz VHT) 2081 * otherwise we should be ok with what we've got. 2082 */ 2083 switch (vap->iv_des_mode) { 2084 case IEEE80211_MODE_11B: 2085 if (IEEE80211_IS_CHAN_ANYG(c)) { 2086 c2 = findchannel(ic, ireq->i_val, 2087 IEEE80211_MODE_11B); 2088 /* NB: should not happen, =>'s 11g w/o 11b */ 2089 if (c2 != NULL) 2090 c = c2; 2091 } 2092 break; 2093 case IEEE80211_MODE_TURBO_A: 2094 if (IEEE80211_IS_CHAN_A(c)) { 2095 c2 = findchannel(ic, ireq->i_val, 2096 IEEE80211_MODE_TURBO_A); 2097 if (c2 != NULL) 2098 c = c2; 2099 } 2100 break; 2101 case IEEE80211_MODE_11NA: 2102 if (IEEE80211_IS_CHAN_A(c)) { 2103 c2 = findchannel(ic, ireq->i_val, 2104 IEEE80211_MODE_11NA); 2105 if (c2 != NULL) 2106 c = c2; 2107 } 2108 break; 2109 case IEEE80211_MODE_11NG: 2110 if (IEEE80211_IS_CHAN_ANYG(c)) { 2111 c2 = findchannel(ic, ireq->i_val, 2112 IEEE80211_MODE_11NG); 2113 if (c2 != NULL) 2114 c = c2; 2115 } 2116 break; 2117 case IEEE80211_MODE_VHT_2GHZ: 2118 printf("%s: TBD\n", __func__); 2119 break; 2120 case IEEE80211_MODE_VHT_5GHZ: 2121 if (IEEE80211_IS_CHAN_A(c)) { 2122 c2 = findchannel(ic, ireq->i_val, 2123 IEEE80211_MODE_VHT_5GHZ); 2124 if (c2 != NULL) 2125 c = c2; 2126 } 2127 break; 2128 default: /* NB: no static turboG */ 2129 break; 2130 } 2131 } 2132 return setcurchan(vap, c); 2133 } 2134 2135 /* 2136 * New/current api for setting the current channel; a complete 2137 * channel description is provide so there is no ambiguity in 2138 * identifying the channel. 2139 */ 2140 static int 2141 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 2142 const struct ieee80211req *ireq) 2143 { 2144 struct ieee80211com *ic = vap->iv_ic; 2145 struct ieee80211_channel chan, *c; 2146 int error; 2147 2148 if (ireq->i_len != sizeof(chan)) 2149 return EINVAL; 2150 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2151 if (error != 0) 2152 return error; 2153 2154 /* XXX 0xffff overflows 16-bit signed */ 2155 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2156 c = IEEE80211_CHAN_ANYC; 2157 } else { 2158 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2159 if (c == NULL) 2160 return EINVAL; 2161 } 2162 return setcurchan(vap, c); 2163 } 2164 2165 static int 2166 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2167 const struct ieee80211req *ireq) 2168 { 2169 struct ieee80211_regdomain_req *reg; 2170 int nchans, error; 2171 2172 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2173 sizeof(struct ieee80211_channel)); 2174 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2175 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2176 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2177 ireq->i_len, nchans); 2178 return EINVAL; 2179 } 2180 reg = (struct ieee80211_regdomain_req *) 2181 IEEE80211_MALLOC(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, 2182 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2183 if (reg == NULL) { 2184 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2185 "%s: no memory, nchans %d\n", __func__, nchans); 2186 return ENOMEM; 2187 } 2188 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2189 if (error == 0) { 2190 /* NB: validate inline channel count against storage size */ 2191 if (reg->chaninfo.ic_nchans != nchans) { 2192 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2193 "%s: chan cnt mismatch, %d != %d\n", __func__, 2194 reg->chaninfo.ic_nchans, nchans); 2195 error = EINVAL; 2196 } else 2197 error = ieee80211_setregdomain(vap, reg); 2198 } 2199 IEEE80211_FREE(reg, M_TEMP); 2200 2201 return (error == 0 ? ENETRESET : error); 2202 } 2203 2204 static int 2205 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2206 const struct ieee80211req *ireq) 2207 { 2208 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2209 return EINVAL; 2210 /* XXX validate params */ 2211 /* XXX? ENETRESET to push to device? */ 2212 return copyin(ireq->i_data, vap->iv_roamparms, 2213 sizeof(vap->iv_roamparms)); 2214 } 2215 2216 static int 2217 checkrate(const struct ieee80211_rateset *rs, int rate) 2218 { 2219 int i; 2220 2221 if (rate == IEEE80211_FIXED_RATE_NONE) 2222 return 1; 2223 for (i = 0; i < rs->rs_nrates; i++) 2224 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2225 return 1; 2226 return 0; 2227 } 2228 2229 static int 2230 checkmcs(const struct ieee80211_htrateset *rs, int mcs) 2231 { 2232 int rate_val = IEEE80211_RV(mcs); 2233 int i; 2234 2235 if (mcs == IEEE80211_FIXED_RATE_NONE) 2236 return 1; 2237 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2238 return 0; 2239 for (i = 0; i < rs->rs_nrates; i++) 2240 if (IEEE80211_RV(rs->rs_rates[i]) == rate_val) 2241 return 1; 2242 return 0; 2243 } 2244 2245 static int 2246 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2247 const struct ieee80211req *ireq) 2248 { 2249 struct ieee80211com *ic = vap->iv_ic; 2250 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2251 struct ieee80211_txparam *src, *dst; 2252 const struct ieee80211_htrateset *rs_ht; 2253 const struct ieee80211_rateset *rs; 2254 int error, mode, changed, is11n, nmodes; 2255 2256 /* NB: accept short requests for backwards compat */ 2257 if (ireq->i_len > sizeof(parms)) 2258 return EINVAL; 2259 error = copyin(ireq->i_data, &parms, ireq->i_len); 2260 if (error != 0) 2261 return error; 2262 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2263 changed = 0; 2264 /* validate parameters and check if anything changed */ 2265 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2266 if (isclr(ic->ic_modecaps, mode)) 2267 continue; 2268 src = &parms.params[mode]; 2269 dst = &vap->iv_txparms[mode]; 2270 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2271 rs_ht = &ic->ic_sup_htrates; 2272 is11n = (mode == IEEE80211_MODE_11NA || 2273 mode == IEEE80211_MODE_11NG); 2274 if (src->ucastrate != dst->ucastrate) { 2275 if (!checkrate(rs, src->ucastrate) && 2276 (!is11n || !checkmcs(rs_ht, src->ucastrate))) 2277 return EINVAL; 2278 changed++; 2279 } 2280 if (src->mcastrate != dst->mcastrate) { 2281 if (!checkrate(rs, src->mcastrate) && 2282 (!is11n || !checkmcs(rs_ht, src->mcastrate))) 2283 return EINVAL; 2284 changed++; 2285 } 2286 if (src->mgmtrate != dst->mgmtrate) { 2287 if (!checkrate(rs, src->mgmtrate) && 2288 (!is11n || !checkmcs(rs_ht, src->mgmtrate))) 2289 return EINVAL; 2290 changed++; 2291 } 2292 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2293 changed++; 2294 } 2295 if (changed) { 2296 /* 2297 * Copy new parameters in place and notify the 2298 * driver so it can push state to the device. 2299 */ 2300 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2301 if (isset(ic->ic_modecaps, mode)) 2302 vap->iv_txparms[mode] = parms.params[mode]; 2303 } 2304 /* XXX could be more intelligent, 2305 e.g. don't reset if setting not being used */ 2306 return ENETRESET; 2307 } 2308 return 0; 2309 } 2310 2311 /* 2312 * Application Information Element support. 2313 */ 2314 static int 2315 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2316 { 2317 struct ieee80211_appie *app = *aie; 2318 struct ieee80211_appie *napp; 2319 int error; 2320 2321 if (ireq->i_len == 0) { /* delete any existing ie */ 2322 if (app != NULL) { 2323 *aie = NULL; /* XXX racey */ 2324 IEEE80211_FREE(app, M_80211_NODE_IE); 2325 } 2326 return 0; 2327 } 2328 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2329 return EINVAL; 2330 /* 2331 * Allocate a new appie structure and copy in the user data. 2332 * When done swap in the new structure. Note that we do not 2333 * guard against users holding a ref to the old structure; 2334 * this must be handled outside this code. 2335 * 2336 * XXX bad bad bad 2337 */ 2338 napp = (struct ieee80211_appie *) IEEE80211_MALLOC( 2339 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, 2340 IEEE80211_M_NOWAIT); 2341 if (napp == NULL) 2342 return ENOMEM; 2343 /* XXX holding ic lock */ 2344 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2345 if (error) { 2346 IEEE80211_FREE(napp, M_80211_NODE_IE); 2347 return error; 2348 } 2349 napp->ie_len = ireq->i_len; 2350 *aie = napp; 2351 if (app != NULL) 2352 IEEE80211_FREE(app, M_80211_NODE_IE); 2353 return 0; 2354 } 2355 2356 static void 2357 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2358 { 2359 /* validate data is present as best we can */ 2360 if (space == 0 || 2+ie[1] > space) 2361 return; 2362 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2363 vap->iv_wpa_ie = ie; 2364 else if (ie[0] == IEEE80211_ELEMID_RSN) 2365 vap->iv_rsn_ie = ie; 2366 } 2367 2368 static int 2369 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2370 const struct ieee80211req *ireq, int fc0) 2371 { 2372 int error; 2373 2374 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2375 2376 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2377 case IEEE80211_FC0_SUBTYPE_BEACON: 2378 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2379 vap->iv_opmode != IEEE80211_M_IBSS) { 2380 error = EINVAL; 2381 break; 2382 } 2383 error = setappie(&vap->iv_appie_beacon, ireq); 2384 if (error == 0) 2385 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2386 break; 2387 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2388 error = setappie(&vap->iv_appie_proberesp, ireq); 2389 break; 2390 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2391 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2392 error = setappie(&vap->iv_appie_assocresp, ireq); 2393 else 2394 error = EINVAL; 2395 break; 2396 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2397 error = setappie(&vap->iv_appie_probereq, ireq); 2398 break; 2399 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2400 if (vap->iv_opmode == IEEE80211_M_STA) 2401 error = setappie(&vap->iv_appie_assocreq, ireq); 2402 else 2403 error = EINVAL; 2404 break; 2405 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2406 error = setappie(&vap->iv_appie_wpa, ireq); 2407 if (error == 0) { 2408 /* 2409 * Must split single blob of data into separate 2410 * WPA and RSN ie's because they go in different 2411 * locations in the mgt frames. 2412 * XXX use IEEE80211_IOC_WPA2 so user code does split 2413 */ 2414 vap->iv_wpa_ie = NULL; 2415 vap->iv_rsn_ie = NULL; 2416 if (vap->iv_appie_wpa != NULL) { 2417 struct ieee80211_appie *appie = 2418 vap->iv_appie_wpa; 2419 uint8_t *data = appie->ie_data; 2420 2421 /* XXX ie length validate is painful, cheat */ 2422 setwparsnie(vap, data, appie->ie_len); 2423 setwparsnie(vap, data + 2 + data[1], 2424 appie->ie_len - (2 + data[1])); 2425 } 2426 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2427 vap->iv_opmode == IEEE80211_M_IBSS) { 2428 /* 2429 * Must rebuild beacon frame as the update 2430 * mechanism doesn't handle WPA/RSN ie's. 2431 * Could extend it but it doesn't normally 2432 * change; this is just to deal with hostapd 2433 * plumbing the ie after the interface is up. 2434 */ 2435 error = ENETRESET; 2436 } 2437 } 2438 break; 2439 default: 2440 error = EINVAL; 2441 break; 2442 } 2443 return error; 2444 } 2445 2446 static int 2447 ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2448 const struct ieee80211req *ireq) 2449 { 2450 struct ieee80211com *ic = vap->iv_ic; 2451 int error; 2452 uint8_t fc0; 2453 2454 fc0 = ireq->i_val & 0xff; 2455 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2456 return EINVAL; 2457 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2458 IEEE80211_LOCK(ic); 2459 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2460 IEEE80211_UNLOCK(ic); 2461 return error; 2462 } 2463 2464 static int 2465 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2466 { 2467 struct ieee80211com *ic = vap->iv_ic; 2468 struct ieee80211_chanswitch_req csr; 2469 struct ieee80211_channel *c; 2470 int error; 2471 2472 if (ireq->i_len != sizeof(csr)) 2473 return EINVAL; 2474 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2475 if (error != 0) 2476 return error; 2477 /* XXX adhoc mode not supported */ 2478 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2479 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2480 return EOPNOTSUPP; 2481 c = ieee80211_find_channel(ic, 2482 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2483 if (c == NULL) 2484 return ENOENT; 2485 IEEE80211_LOCK(ic); 2486 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2487 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2488 else if (csr.csa_count == 0) 2489 ieee80211_csa_cancelswitch(ic); 2490 else 2491 error = EBUSY; 2492 IEEE80211_UNLOCK(ic); 2493 return error; 2494 } 2495 2496 static int 2497 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr) 2498 { 2499 #define IEEE80211_IOC_SCAN_FLAGS \ 2500 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2501 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2502 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2503 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2504 IEEE80211_IOC_SCAN_CHECK) 2505 struct ieee80211com *ic = vap->iv_ic; 2506 int error, i; 2507 2508 /* convert duration */ 2509 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2510 sr->sr_duration = IEEE80211_SCAN_FOREVER; 2511 else { 2512 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2513 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2514 return EINVAL; 2515 sr->sr_duration = msecs_to_ticks(sr->sr_duration); 2516 if (sr->sr_duration < 1) 2517 sr->sr_duration = 1; 2518 } 2519 /* convert min/max channel dwell */ 2520 if (sr->sr_mindwell != 0) { 2521 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell); 2522 if (sr->sr_mindwell < 1) 2523 sr->sr_mindwell = 1; 2524 } 2525 if (sr->sr_maxdwell != 0) { 2526 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell); 2527 if (sr->sr_maxdwell < 1) 2528 sr->sr_maxdwell = 1; 2529 } 2530 /* NB: silently reduce ssid count to what is supported */ 2531 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID) 2532 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID; 2533 for (i = 0; i < sr->sr_nssid; i++) 2534 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN) 2535 return EINVAL; 2536 /* cleanse flags just in case, could reject if invalid flags */ 2537 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2538 /* 2539 * Add an implicit NOPICK if the vap is not marked UP. This 2540 * allows applications to scan without joining a bss (or picking 2541 * a channel and setting up a bss) and without forcing manual 2542 * roaming mode--you just need to mark the parent device UP. 2543 */ 2544 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2545 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2546 2547 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2548 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2549 __func__, sr->sr_flags, 2550 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2551 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid); 2552 /* 2553 * If we are in INIT state then the driver has never had a chance 2554 * to setup hardware state to do a scan; we must use the state 2555 * machine to get us up to the SCAN state but once we reach SCAN 2556 * state we then want to use the supplied params. Stash the 2557 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2558 * state machines will recognize this and use the stashed params 2559 * to issue the scan request. 2560 * 2561 * Otherwise just invoke the scan machinery directly. 2562 */ 2563 IEEE80211_LOCK(ic); 2564 if (ic->ic_nrunning == 0) { 2565 IEEE80211_UNLOCK(ic); 2566 return ENXIO; 2567 } 2568 2569 if (vap->iv_state == IEEE80211_S_INIT) { 2570 /* NB: clobbers previous settings */ 2571 vap->iv_scanreq_flags = sr->sr_flags; 2572 vap->iv_scanreq_duration = sr->sr_duration; 2573 vap->iv_scanreq_nssid = sr->sr_nssid; 2574 for (i = 0; i < sr->sr_nssid; i++) { 2575 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len; 2576 memcpy(vap->iv_scanreq_ssid[i].ssid, 2577 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len); 2578 } 2579 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2580 IEEE80211_UNLOCK(ic); 2581 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2582 } else { 2583 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2584 IEEE80211_UNLOCK(ic); 2585 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2586 error = ieee80211_check_scan(vap, sr->sr_flags, 2587 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2588 sr->sr_nssid, 2589 /* NB: cheat, we assume structures are compatible */ 2590 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2591 } else { 2592 error = ieee80211_start_scan(vap, sr->sr_flags, 2593 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2594 sr->sr_nssid, 2595 /* NB: cheat, we assume structures are compatible */ 2596 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2597 } 2598 if (error == 0) 2599 return EINPROGRESS; 2600 } 2601 return 0; 2602 #undef IEEE80211_IOC_SCAN_FLAGS 2603 } 2604 2605 static int 2606 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2607 { 2608 struct ieee80211_scan_req *sr; 2609 int error; 2610 2611 if (ireq->i_len != sizeof(*sr)) 2612 return EINVAL; 2613 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 2614 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2615 if (sr == NULL) 2616 return ENOMEM; 2617 error = copyin(ireq->i_data, sr, sizeof(*sr)); 2618 if (error != 0) 2619 goto bad; 2620 error = ieee80211_scanreq(vap, sr); 2621 bad: 2622 IEEE80211_FREE(sr, M_TEMP); 2623 return error; 2624 } 2625 2626 static int 2627 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2628 { 2629 struct ieee80211_node *ni; 2630 struct ieee80211req_sta_vlan vlan; 2631 int error; 2632 2633 if (ireq->i_len != sizeof(vlan)) 2634 return EINVAL; 2635 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2636 if (error != 0) 2637 return error; 2638 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2639 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2640 vlan.sv_macaddr); 2641 if (ni == NULL) 2642 return ENOENT; 2643 } else 2644 ni = ieee80211_ref_node(vap->iv_bss); 2645 ni->ni_vlan = vlan.sv_vlan; 2646 ieee80211_free_node(ni); 2647 return error; 2648 } 2649 2650 static int 2651 isvap11g(const struct ieee80211vap *vap) 2652 { 2653 const struct ieee80211_node *bss = vap->iv_bss; 2654 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2655 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2656 } 2657 2658 static int 2659 isvapht(const struct ieee80211vap *vap) 2660 { 2661 const struct ieee80211_node *bss = vap->iv_bss; 2662 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2663 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2664 } 2665 2666 /* 2667 * Dummy ioctl set handler so the linker set is defined. 2668 */ 2669 static int 2670 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2671 { 2672 return ENOSYS; 2673 } 2674 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2675 2676 static int 2677 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2678 { 2679 ieee80211_ioctl_setfunc * const *set; 2680 int error; 2681 2682 SET_FOREACH(set, ieee80211_ioctl_setset) { 2683 error = (*set)(vap, ireq); 2684 if (error != ENOSYS) 2685 return error; 2686 } 2687 return EINVAL; 2688 } 2689 2690 static int 2691 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2692 { 2693 struct ieee80211com *ic = vap->iv_ic; 2694 int error; 2695 const struct ieee80211_authenticator *auth; 2696 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2697 char tmpssid[IEEE80211_NWID_LEN]; 2698 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2699 struct ieee80211_key *k; 2700 u_int kid; 2701 uint32_t flags; 2702 2703 error = 0; 2704 switch (ireq->i_type) { 2705 case IEEE80211_IOC_SSID: 2706 if (ireq->i_val != 0 || 2707 ireq->i_len > IEEE80211_NWID_LEN) 2708 return EINVAL; 2709 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2710 if (error) 2711 break; 2712 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2713 vap->iv_des_ssid[0].len = ireq->i_len; 2714 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2715 vap->iv_des_nssid = (ireq->i_len > 0); 2716 error = ENETRESET; 2717 break; 2718 case IEEE80211_IOC_WEP: 2719 switch (ireq->i_val) { 2720 case IEEE80211_WEP_OFF: 2721 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2722 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2723 break; 2724 case IEEE80211_WEP_ON: 2725 vap->iv_flags |= IEEE80211_F_PRIVACY; 2726 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2727 break; 2728 case IEEE80211_WEP_MIXED: 2729 vap->iv_flags |= IEEE80211_F_PRIVACY; 2730 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2731 break; 2732 } 2733 error = ENETRESET; 2734 break; 2735 case IEEE80211_IOC_WEPKEY: 2736 kid = (u_int) ireq->i_val; 2737 if (kid >= IEEE80211_WEP_NKID) 2738 return EINVAL; 2739 k = &vap->iv_nw_keys[kid]; 2740 if (ireq->i_len == 0) { 2741 /* zero-len =>'s delete any existing key */ 2742 (void) ieee80211_crypto_delkey(vap, k); 2743 break; 2744 } 2745 if (ireq->i_len > sizeof(tmpkey)) 2746 return EINVAL; 2747 memset(tmpkey, 0, sizeof(tmpkey)); 2748 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2749 if (error) 2750 break; 2751 ieee80211_key_update_begin(vap); 2752 k->wk_keyix = kid; /* NB: force fixed key id */ 2753 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2754 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2755 k->wk_keylen = ireq->i_len; 2756 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2757 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2758 if (!ieee80211_crypto_setkey(vap, k)) 2759 error = EINVAL; 2760 } else 2761 error = EINVAL; 2762 ieee80211_key_update_end(vap); 2763 break; 2764 case IEEE80211_IOC_WEPTXKEY: 2765 kid = (u_int) ireq->i_val; 2766 if (kid >= IEEE80211_WEP_NKID && 2767 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2768 return EINVAL; 2769 /* 2770 * Firmware devices may need to be told about an explicit 2771 * key index here, versus just inferring it from the 2772 * key set / change. Since we may also need to pause 2773 * things like transmit before the key is updated, 2774 * give the driver a chance to flush things by tying 2775 * into key update begin/end. 2776 */ 2777 ieee80211_key_update_begin(vap); 2778 ieee80211_crypto_set_deftxkey(vap, kid); 2779 ieee80211_key_update_end(vap); 2780 break; 2781 case IEEE80211_IOC_AUTHMODE: 2782 switch (ireq->i_val) { 2783 case IEEE80211_AUTH_WPA: 2784 case IEEE80211_AUTH_8021X: /* 802.1x */ 2785 case IEEE80211_AUTH_OPEN: /* open */ 2786 case IEEE80211_AUTH_SHARED: /* shared-key */ 2787 case IEEE80211_AUTH_AUTO: /* auto */ 2788 auth = ieee80211_authenticator_get(ireq->i_val); 2789 if (auth == NULL) 2790 return EINVAL; 2791 break; 2792 default: 2793 return EINVAL; 2794 } 2795 switch (ireq->i_val) { 2796 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2797 vap->iv_flags |= IEEE80211_F_PRIVACY; 2798 ireq->i_val = IEEE80211_AUTH_8021X; 2799 break; 2800 case IEEE80211_AUTH_OPEN: /* open */ 2801 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2802 break; 2803 case IEEE80211_AUTH_SHARED: /* shared-key */ 2804 case IEEE80211_AUTH_8021X: /* 802.1x */ 2805 vap->iv_flags &= ~IEEE80211_F_WPA; 2806 /* both require a key so mark the PRIVACY capability */ 2807 vap->iv_flags |= IEEE80211_F_PRIVACY; 2808 break; 2809 case IEEE80211_AUTH_AUTO: /* auto */ 2810 vap->iv_flags &= ~IEEE80211_F_WPA; 2811 /* XXX PRIVACY handling? */ 2812 /* XXX what's the right way to do this? */ 2813 break; 2814 } 2815 /* NB: authenticator attach/detach happens on state change */ 2816 vap->iv_bss->ni_authmode = ireq->i_val; 2817 /* XXX mixed/mode/usage? */ 2818 vap->iv_auth = auth; 2819 error = ENETRESET; 2820 break; 2821 case IEEE80211_IOC_CHANNEL: 2822 error = ieee80211_ioctl_setchannel(vap, ireq); 2823 break; 2824 case IEEE80211_IOC_POWERSAVE: 2825 switch (ireq->i_val) { 2826 case IEEE80211_POWERSAVE_OFF: 2827 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2828 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2829 error = ERESTART; 2830 } 2831 break; 2832 case IEEE80211_POWERSAVE_ON: 2833 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2834 error = EOPNOTSUPP; 2835 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2836 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2837 error = ERESTART; 2838 } 2839 break; 2840 default: 2841 error = EINVAL; 2842 break; 2843 } 2844 break; 2845 case IEEE80211_IOC_POWERSAVESLEEP: 2846 if (ireq->i_val < 0) 2847 return EINVAL; 2848 ic->ic_lintval = ireq->i_val; 2849 error = ERESTART; 2850 break; 2851 case IEEE80211_IOC_RTSTHRESHOLD: 2852 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2853 ireq->i_val <= IEEE80211_RTS_MAX)) 2854 return EINVAL; 2855 vap->iv_rtsthreshold = ireq->i_val; 2856 error = ERESTART; 2857 break; 2858 case IEEE80211_IOC_PROTMODE: 2859 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2860 return EINVAL; 2861 ic->ic_protmode = (enum ieee80211_protmode)ireq->i_val; 2862 /* NB: if not operating in 11g this can wait */ 2863 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2864 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2865 error = ERESTART; 2866 break; 2867 case IEEE80211_IOC_TXPOWER: 2868 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2869 return EOPNOTSUPP; 2870 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2871 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2872 return EINVAL; 2873 ic->ic_txpowlimit = ireq->i_val; 2874 error = ERESTART; 2875 break; 2876 case IEEE80211_IOC_ROAMING: 2877 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2878 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2879 return EINVAL; 2880 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val; 2881 /* XXXX reset? */ 2882 break; 2883 case IEEE80211_IOC_PRIVACY: 2884 if (ireq->i_val) { 2885 /* XXX check for key state? */ 2886 vap->iv_flags |= IEEE80211_F_PRIVACY; 2887 } else 2888 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2889 /* XXX ERESTART? */ 2890 break; 2891 case IEEE80211_IOC_DROPUNENCRYPTED: 2892 if (ireq->i_val) 2893 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2894 else 2895 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2896 /* XXX ERESTART? */ 2897 break; 2898 case IEEE80211_IOC_WPAKEY: 2899 error = ieee80211_ioctl_setkey(vap, ireq); 2900 break; 2901 case IEEE80211_IOC_DELKEY: 2902 error = ieee80211_ioctl_delkey(vap, ireq); 2903 break; 2904 case IEEE80211_IOC_MLME: 2905 error = ieee80211_ioctl_setmlme(vap, ireq); 2906 break; 2907 case IEEE80211_IOC_COUNTERMEASURES: 2908 if (ireq->i_val) { 2909 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2910 return EOPNOTSUPP; 2911 vap->iv_flags |= IEEE80211_F_COUNTERM; 2912 } else 2913 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2914 /* XXX ERESTART? */ 2915 break; 2916 case IEEE80211_IOC_WPA: 2917 if (ireq->i_val > 3) 2918 return EINVAL; 2919 /* XXX verify ciphers available */ 2920 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2921 switch (ireq->i_val) { 2922 case 0: 2923 /* wpa_supplicant calls this to clear the WPA config */ 2924 break; 2925 case 1: 2926 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2927 return EOPNOTSUPP; 2928 flags |= IEEE80211_F_WPA1; 2929 break; 2930 case 2: 2931 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2932 return EOPNOTSUPP; 2933 flags |= IEEE80211_F_WPA2; 2934 break; 2935 case 3: 2936 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2937 return EOPNOTSUPP; 2938 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2939 break; 2940 default: /* Can't set any -> error */ 2941 return EOPNOTSUPP; 2942 } 2943 vap->iv_flags = flags; 2944 error = ERESTART; /* NB: can change beacon frame */ 2945 break; 2946 case IEEE80211_IOC_WME: 2947 if (ireq->i_val) { 2948 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 2949 return EOPNOTSUPP; 2950 ieee80211_syncflag(vap, IEEE80211_F_WME); 2951 } else 2952 ieee80211_syncflag(vap, -IEEE80211_F_WME); 2953 error = ERESTART; /* NB: can change beacon frame */ 2954 break; 2955 case IEEE80211_IOC_HIDESSID: 2956 if (ireq->i_val) 2957 vap->iv_flags |= IEEE80211_F_HIDESSID; 2958 else 2959 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 2960 error = ERESTART; /* XXX ENETRESET? */ 2961 break; 2962 case IEEE80211_IOC_APBRIDGE: 2963 if (ireq->i_val == 0) 2964 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 2965 else 2966 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 2967 break; 2968 case IEEE80211_IOC_BSSID: 2969 if (ireq->i_len != sizeof(tmpbssid)) 2970 return EINVAL; 2971 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 2972 if (error) 2973 break; 2974 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 2975 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 2976 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 2977 else 2978 vap->iv_flags |= IEEE80211_F_DESBSSID; 2979 error = ENETRESET; 2980 break; 2981 case IEEE80211_IOC_CHANLIST: 2982 error = ieee80211_ioctl_setchanlist(vap, ireq); 2983 break; 2984 #define OLD_IEEE80211_IOC_SCAN_REQ 23 2985 #ifdef OLD_IEEE80211_IOC_SCAN_REQ 2986 case OLD_IEEE80211_IOC_SCAN_REQ: 2987 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2988 "%s: active scan request\n", __func__); 2989 /* 2990 * If we are in INIT state then the driver has never 2991 * had a chance to setup hardware state to do a scan; 2992 * use the state machine to get us up the SCAN state. 2993 * Otherwise just invoke the scan machinery to start 2994 * a one-time scan. 2995 */ 2996 if (vap->iv_state == IEEE80211_S_INIT) 2997 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2998 else 2999 (void) ieee80211_start_scan(vap, 3000 IEEE80211_SCAN_ACTIVE | 3001 IEEE80211_SCAN_NOPICK | 3002 IEEE80211_SCAN_ONCE, 3003 IEEE80211_SCAN_FOREVER, 0, 0, 3004 /* XXX use ioctl params */ 3005 vap->iv_des_nssid, vap->iv_des_ssid); 3006 break; 3007 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 3008 case IEEE80211_IOC_SCAN_REQ: 3009 error = ieee80211_ioctl_scanreq(vap, ireq); 3010 break; 3011 case IEEE80211_IOC_SCAN_CANCEL: 3012 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 3013 "%s: cancel scan\n", __func__); 3014 ieee80211_cancel_scan(vap); 3015 break; 3016 case IEEE80211_IOC_HTCONF: 3017 if (ireq->i_val & 1) 3018 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 3019 else 3020 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 3021 if (ireq->i_val & 2) 3022 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 3023 else 3024 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 3025 error = ENETRESET; 3026 break; 3027 case IEEE80211_IOC_ADDMAC: 3028 case IEEE80211_IOC_DELMAC: 3029 error = ieee80211_ioctl_macmac(vap, ireq); 3030 break; 3031 case IEEE80211_IOC_MACCMD: 3032 error = ieee80211_ioctl_setmaccmd(vap, ireq); 3033 break; 3034 case IEEE80211_IOC_STA_STATS: 3035 error = ieee80211_ioctl_setstastats(vap, ireq); 3036 break; 3037 case IEEE80211_IOC_STA_TXPOW: 3038 error = ieee80211_ioctl_setstatxpow(vap, ireq); 3039 break; 3040 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 3041 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 3042 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 3043 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 3044 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 3045 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 3046 error = ieee80211_ioctl_setwmeparam(vap, ireq); 3047 break; 3048 case IEEE80211_IOC_DTIM_PERIOD: 3049 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3050 vap->iv_opmode != IEEE80211_M_MBSS && 3051 vap->iv_opmode != IEEE80211_M_IBSS) 3052 return EINVAL; 3053 if (IEEE80211_DTIM_MIN <= ireq->i_val && 3054 ireq->i_val <= IEEE80211_DTIM_MAX) { 3055 vap->iv_dtim_period = ireq->i_val; 3056 error = ENETRESET; /* requires restart */ 3057 } else 3058 error = EINVAL; 3059 break; 3060 case IEEE80211_IOC_BEACON_INTERVAL: 3061 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3062 vap->iv_opmode != IEEE80211_M_MBSS && 3063 vap->iv_opmode != IEEE80211_M_IBSS) 3064 return EINVAL; 3065 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 3066 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 3067 ic->ic_bintval = ireq->i_val; 3068 error = ENETRESET; /* requires restart */ 3069 } else 3070 error = EINVAL; 3071 break; 3072 case IEEE80211_IOC_PUREG: 3073 if (ireq->i_val) 3074 vap->iv_flags |= IEEE80211_F_PUREG; 3075 else 3076 vap->iv_flags &= ~IEEE80211_F_PUREG; 3077 /* NB: reset only if we're operating on an 11g channel */ 3078 if (isvap11g(vap)) 3079 error = ENETRESET; 3080 break; 3081 case IEEE80211_IOC_QUIET: 3082 vap->iv_quiet= ireq->i_val; 3083 break; 3084 case IEEE80211_IOC_QUIET_COUNT: 3085 vap->iv_quiet_count=ireq->i_val; 3086 break; 3087 case IEEE80211_IOC_QUIET_PERIOD: 3088 vap->iv_quiet_period=ireq->i_val; 3089 break; 3090 case IEEE80211_IOC_QUIET_OFFSET: 3091 vap->iv_quiet_offset=ireq->i_val; 3092 break; 3093 case IEEE80211_IOC_QUIET_DUR: 3094 if(ireq->i_val < vap->iv_bss->ni_intval) 3095 vap->iv_quiet_duration = ireq->i_val; 3096 else 3097 error = EINVAL; 3098 break; 3099 case IEEE80211_IOC_BGSCAN: 3100 if (ireq->i_val) { 3101 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 3102 return EOPNOTSUPP; 3103 vap->iv_flags |= IEEE80211_F_BGSCAN; 3104 } else 3105 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 3106 break; 3107 case IEEE80211_IOC_BGSCAN_IDLE: 3108 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 3109 vap->iv_bgscanidle = ireq->i_val*hz/1000; 3110 else 3111 error = EINVAL; 3112 break; 3113 case IEEE80211_IOC_BGSCAN_INTERVAL: 3114 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 3115 vap->iv_bgscanintvl = ireq->i_val*hz; 3116 else 3117 error = EINVAL; 3118 break; 3119 case IEEE80211_IOC_SCANVALID: 3120 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 3121 vap->iv_scanvalid = ireq->i_val*hz; 3122 else 3123 error = EINVAL; 3124 break; 3125 case IEEE80211_IOC_FRAGTHRESHOLD: 3126 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 3127 ireq->i_val != IEEE80211_FRAG_MAX) 3128 return EOPNOTSUPP; 3129 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 3130 ireq->i_val <= IEEE80211_FRAG_MAX)) 3131 return EINVAL; 3132 vap->iv_fragthreshold = ireq->i_val; 3133 error = ERESTART; 3134 break; 3135 case IEEE80211_IOC_BURST: 3136 if (ireq->i_val) { 3137 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 3138 return EOPNOTSUPP; 3139 ieee80211_syncflag(vap, IEEE80211_F_BURST); 3140 } else 3141 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 3142 error = ERESTART; 3143 break; 3144 case IEEE80211_IOC_BMISSTHRESHOLD: 3145 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 3146 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 3147 return EINVAL; 3148 vap->iv_bmissthreshold = ireq->i_val; 3149 error = ERESTART; 3150 break; 3151 case IEEE80211_IOC_CURCHAN: 3152 error = ieee80211_ioctl_setcurchan(vap, ireq); 3153 break; 3154 case IEEE80211_IOC_SHORTGI: 3155 if (ireq->i_val) { 3156 #define IEEE80211_HTCAP_SHORTGI \ 3157 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 3158 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 3159 return EINVAL; 3160 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 3161 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 3162 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 3163 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 3164 #undef IEEE80211_HTCAP_SHORTGI 3165 } else 3166 vap->iv_flags_ht &= 3167 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 3168 error = ERESTART; 3169 break; 3170 case IEEE80211_IOC_AMPDU: 3171 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 3172 return EINVAL; 3173 if (ireq->i_val & 1) 3174 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 3175 else 3176 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 3177 if (ireq->i_val & 2) 3178 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 3179 else 3180 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 3181 /* NB: reset only if we're operating on an 11n channel */ 3182 if (isvapht(vap)) 3183 error = ERESTART; 3184 break; 3185 case IEEE80211_IOC_AMPDU_LIMIT: 3186 /* XXX TODO: figure out ampdu_limit versus ampdu_rxmax */ 3187 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 3188 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 3189 return EINVAL; 3190 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 3191 vap->iv_ampdu_rxmax = ireq->i_val; 3192 else 3193 vap->iv_ampdu_limit = ireq->i_val; 3194 error = ERESTART; 3195 break; 3196 case IEEE80211_IOC_AMPDU_DENSITY: 3197 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 3198 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 3199 return EINVAL; 3200 vap->iv_ampdu_density = ireq->i_val; 3201 error = ERESTART; 3202 break; 3203 case IEEE80211_IOC_AMSDU: 3204 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 3205 return EINVAL; 3206 if (ireq->i_val & 1) 3207 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 3208 else 3209 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 3210 if (ireq->i_val & 2) 3211 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 3212 else 3213 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 3214 /* NB: reset only if we're operating on an 11n channel */ 3215 if (isvapht(vap)) 3216 error = ERESTART; 3217 break; 3218 case IEEE80211_IOC_AMSDU_LIMIT: 3219 /* XXX validate */ 3220 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 3221 break; 3222 case IEEE80211_IOC_PUREN: 3223 if (ireq->i_val) { 3224 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3225 return EINVAL; 3226 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3227 } else 3228 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3229 /* NB: reset only if we're operating on an 11n channel */ 3230 if (isvapht(vap)) 3231 error = ERESTART; 3232 break; 3233 case IEEE80211_IOC_DOTH: 3234 if (ireq->i_val) { 3235 #if 0 3236 /* XXX no capability */ 3237 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3238 return EOPNOTSUPP; 3239 #endif 3240 vap->iv_flags |= IEEE80211_F_DOTH; 3241 } else 3242 vap->iv_flags &= ~IEEE80211_F_DOTH; 3243 error = ENETRESET; 3244 break; 3245 case IEEE80211_IOC_REGDOMAIN: 3246 error = ieee80211_ioctl_setregdomain(vap, ireq); 3247 break; 3248 case IEEE80211_IOC_ROAM: 3249 error = ieee80211_ioctl_setroam(vap, ireq); 3250 break; 3251 case IEEE80211_IOC_TXPARAMS: 3252 error = ieee80211_ioctl_settxparams(vap, ireq); 3253 break; 3254 case IEEE80211_IOC_HTCOMPAT: 3255 if (ireq->i_val) { 3256 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3257 return EOPNOTSUPP; 3258 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3259 } else 3260 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 3261 /* NB: reset only if we're operating on an 11n channel */ 3262 if (isvapht(vap)) 3263 error = ERESTART; 3264 break; 3265 case IEEE80211_IOC_DWDS: 3266 if (ireq->i_val) { 3267 /* NB: DWDS only makes sense for WDS-capable devices */ 3268 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3269 return EOPNOTSUPP; 3270 /* NB: DWDS is used only with ap+sta vaps */ 3271 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3272 vap->iv_opmode != IEEE80211_M_STA) 3273 return EINVAL; 3274 vap->iv_flags |= IEEE80211_F_DWDS; 3275 if (vap->iv_opmode == IEEE80211_M_STA) 3276 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3277 } else { 3278 vap->iv_flags &= ~IEEE80211_F_DWDS; 3279 if (vap->iv_opmode == IEEE80211_M_STA) 3280 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3281 } 3282 break; 3283 case IEEE80211_IOC_INACTIVITY: 3284 if (ireq->i_val) 3285 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3286 else 3287 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3288 break; 3289 case IEEE80211_IOC_APPIE: 3290 error = ieee80211_ioctl_setappie(vap, ireq); 3291 break; 3292 case IEEE80211_IOC_WPS: 3293 if (ireq->i_val) { 3294 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3295 return EOPNOTSUPP; 3296 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3297 } else 3298 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3299 break; 3300 case IEEE80211_IOC_TSN: 3301 if (ireq->i_val) { 3302 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3303 return EOPNOTSUPP; 3304 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3305 } else 3306 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3307 break; 3308 case IEEE80211_IOC_CHANSWITCH: 3309 error = ieee80211_ioctl_chanswitch(vap, ireq); 3310 break; 3311 case IEEE80211_IOC_DFS: 3312 if (ireq->i_val) { 3313 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3314 return EOPNOTSUPP; 3315 /* NB: DFS requires 11h support */ 3316 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3317 return EINVAL; 3318 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3319 } else 3320 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3321 break; 3322 case IEEE80211_IOC_DOTD: 3323 if (ireq->i_val) 3324 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3325 else 3326 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3327 if (vap->iv_opmode == IEEE80211_M_STA) 3328 error = ENETRESET; 3329 break; 3330 case IEEE80211_IOC_HTPROTMODE: 3331 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3332 return EINVAL; 3333 ic->ic_htprotmode = ireq->i_val ? 3334 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3335 /* NB: if not operating in 11n this can wait */ 3336 if (isvapht(vap)) 3337 error = ERESTART; 3338 break; 3339 case IEEE80211_IOC_STA_VLAN: 3340 error = ieee80211_ioctl_setstavlan(vap, ireq); 3341 break; 3342 case IEEE80211_IOC_SMPS: 3343 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3344 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3345 return EINVAL; 3346 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3347 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3348 return EOPNOTSUPP; 3349 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3350 ireq->i_val; 3351 /* NB: if not operating in 11n this can wait */ 3352 if (isvapht(vap)) 3353 error = ERESTART; 3354 break; 3355 case IEEE80211_IOC_RIFS: 3356 if (ireq->i_val != 0) { 3357 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3358 return EOPNOTSUPP; 3359 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3360 } else 3361 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3362 /* NB: if not operating in 11n this can wait */ 3363 if (isvapht(vap)) 3364 error = ERESTART; 3365 break; 3366 case IEEE80211_IOC_STBC: 3367 /* Check if we can do STBC TX/RX before changing the setting */ 3368 if ((ireq->i_val & 1) && 3369 ((vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) == 0)) 3370 return EOPNOTSUPP; 3371 if ((ireq->i_val & 2) && 3372 ((vap->iv_htcaps & IEEE80211_HTCAP_RXSTBC) == 0)) 3373 return EOPNOTSUPP; 3374 3375 /* TX */ 3376 if (ireq->i_val & 1) 3377 vap->iv_flags_ht |= IEEE80211_FHT_STBC_TX; 3378 else 3379 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_TX; 3380 3381 /* RX */ 3382 if (ireq->i_val & 2) 3383 vap->iv_flags_ht |= IEEE80211_FHT_STBC_RX; 3384 else 3385 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_RX; 3386 3387 /* NB: reset only if we're operating on an 11n channel */ 3388 if (isvapht(vap)) 3389 error = ERESTART; 3390 break; 3391 case IEEE80211_IOC_LDPC: 3392 /* Check if we can do LDPC TX/RX before changing the setting */ 3393 if ((ireq->i_val & 1) && 3394 (vap->iv_htcaps & IEEE80211_HTC_TXLDPC) == 0) 3395 return EOPNOTSUPP; 3396 if ((ireq->i_val & 2) && 3397 (vap->iv_htcaps & IEEE80211_HTCAP_LDPC) == 0) 3398 return EOPNOTSUPP; 3399 3400 /* TX */ 3401 if (ireq->i_val & 1) 3402 vap->iv_flags_ht |= IEEE80211_FHT_LDPC_TX; 3403 else 3404 vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_TX; 3405 3406 /* RX */ 3407 if (ireq->i_val & 2) 3408 vap->iv_flags_ht |= IEEE80211_FHT_LDPC_RX; 3409 else 3410 vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_RX; 3411 3412 /* NB: reset only if we're operating on an 11n channel */ 3413 if (isvapht(vap)) 3414 error = ERESTART; 3415 break; 3416 3417 /* VHT */ 3418 case IEEE80211_IOC_VHTCONF: 3419 if (ireq->i_val & 1) 3420 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_VHT); 3421 else 3422 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_VHT); 3423 3424 if (ireq->i_val & 2) 3425 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT40); 3426 else 3427 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT40); 3428 3429 if (ireq->i_val & 4) 3430 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80); 3431 else 3432 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80); 3433 3434 if (ireq->i_val & 8) 3435 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80P80); 3436 else 3437 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80P80); 3438 3439 if (ireq->i_val & 16) 3440 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT160); 3441 else 3442 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT160); 3443 3444 error = ENETRESET; 3445 break; 3446 3447 default: 3448 error = ieee80211_ioctl_setdefault(vap, ireq); 3449 break; 3450 } 3451 /* 3452 * The convention is that ENETRESET means an operation 3453 * requires a complete re-initialization of the device (e.g. 3454 * changing something that affects the association state). 3455 * ERESTART means the request may be handled with only a 3456 * reload of the hardware state. We hand ERESTART requests 3457 * to the iv_reset callback so the driver can decide. If 3458 * a device does not fillin iv_reset then it defaults to one 3459 * that returns ENETRESET. Otherwise a driver may return 3460 * ENETRESET (in which case a full reset will be done) or 3461 * 0 to mean there's no need to do anything (e.g. when the 3462 * change has no effect on the driver/device). 3463 */ 3464 if (error == ERESTART) 3465 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3466 vap->iv_reset(vap, ireq->i_type) : 0; 3467 if (error == ENETRESET) { 3468 /* XXX need to re-think AUTO handling */ 3469 if (IS_UP_AUTO(vap)) 3470 ieee80211_init(vap); 3471 error = 0; 3472 } 3473 return error; 3474 } 3475 3476 int 3477 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3478 { 3479 struct ieee80211vap *vap = ifp->if_softc; 3480 struct ieee80211com *ic = vap->iv_ic; 3481 int error = 0, wait = 0; 3482 struct ifreq *ifr; 3483 struct ifaddr *ifa; /* XXX */ 3484 3485 switch (cmd) { 3486 case SIOCSIFFLAGS: 3487 IEEE80211_LOCK(ic); 3488 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_PROMISC) { 3489 /* 3490 * Enable promiscuous mode when: 3491 * 1. Interface is not a member of bridge, or 3492 * 2. Requested by user, or 3493 * 3. In monitor (or adhoc-demo) mode. 3494 */ 3495 if (ifp->if_bridge == NULL || 3496 (ifp->if_flags & IFF_PPROMISC) != 0 || 3497 vap->iv_opmode == IEEE80211_M_MONITOR || 3498 (vap->iv_opmode == IEEE80211_M_AHDEMO && 3499 (vap->iv_caps & IEEE80211_C_TDMA) == 0)) { 3500 ieee80211_promisc(vap, 3501 ifp->if_flags & IFF_PROMISC); 3502 vap->iv_ifflags ^= IFF_PROMISC; 3503 } 3504 } 3505 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_ALLMULTI) { 3506 ieee80211_allmulti(vap, ifp->if_flags & IFF_ALLMULTI); 3507 vap->iv_ifflags ^= IFF_ALLMULTI; 3508 } 3509 if (ifp->if_flags & IFF_UP) { 3510 /* 3511 * Bring ourself up unless we're already operational. 3512 * If we're the first vap and the parent is not up 3513 * then it will automatically be brought up as a 3514 * side-effect of bringing ourself up. 3515 */ 3516 if (vap->iv_state == IEEE80211_S_INIT) { 3517 if (ic->ic_nrunning == 0) 3518 wait = 1; 3519 ieee80211_start_locked(vap); 3520 } 3521 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 3522 /* 3523 * Stop ourself. If we are the last vap to be 3524 * marked down the parent will also be taken down. 3525 */ 3526 if (ic->ic_nrunning == 1) 3527 wait = 1; 3528 ieee80211_stop_locked(vap); 3529 } 3530 IEEE80211_UNLOCK(ic); 3531 /* Wait for parent ioctl handler if it was queued */ 3532 if (wait) { 3533 ieee80211_waitfor_parent(ic); 3534 3535 /* 3536 * Check if the MAC address was changed 3537 * via SIOCSIFLLADDR ioctl. 3538 */ 3539 if_addr_rlock(ifp); 3540 if ((ifp->if_flags & IFF_UP) == 0 && 3541 !IEEE80211_ADDR_EQ(vap->iv_myaddr, IF_LLADDR(ifp))) 3542 IEEE80211_ADDR_COPY(vap->iv_myaddr, 3543 IF_LLADDR(ifp)); 3544 if_addr_runlock(ifp); 3545 } 3546 break; 3547 case SIOCADDMULTI: 3548 case SIOCDELMULTI: 3549 ieee80211_runtask(ic, &ic->ic_mcast_task); 3550 break; 3551 case SIOCSIFMEDIA: 3552 case SIOCGIFMEDIA: 3553 ifr = (struct ifreq *)data; 3554 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3555 break; 3556 case SIOCG80211: 3557 error = ieee80211_ioctl_get80211(vap, cmd, 3558 (struct ieee80211req *) data); 3559 break; 3560 case SIOCS80211: 3561 error = priv_check(curthread, PRIV_NET80211_MANAGE); 3562 if (error == 0) 3563 error = ieee80211_ioctl_set80211(vap, cmd, 3564 (struct ieee80211req *) data); 3565 break; 3566 case SIOCG80211STATS: 3567 ifr = (struct ifreq *)data; 3568 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats)); 3569 break; 3570 case SIOCSIFMTU: 3571 ifr = (struct ifreq *)data; 3572 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3573 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3574 error = EINVAL; 3575 else 3576 ifp->if_mtu = ifr->ifr_mtu; 3577 break; 3578 case SIOCSIFADDR: 3579 /* 3580 * XXX Handle this directly so we can suppress if_init calls. 3581 * XXX This should be done in ether_ioctl but for the moment 3582 * XXX there are too many other parts of the system that 3583 * XXX set IFF_UP and so suppress if_init being called when 3584 * XXX it should be. 3585 */ 3586 ifa = (struct ifaddr *) data; 3587 switch (ifa->ifa_addr->sa_family) { 3588 #ifdef INET 3589 case AF_INET: 3590 if ((ifp->if_flags & IFF_UP) == 0) { 3591 ifp->if_flags |= IFF_UP; 3592 ifp->if_init(ifp->if_softc); 3593 } 3594 arp_ifinit(ifp, ifa); 3595 break; 3596 #endif 3597 default: 3598 if ((ifp->if_flags & IFF_UP) == 0) { 3599 ifp->if_flags |= IFF_UP; 3600 ifp->if_init(ifp->if_softc); 3601 } 3602 break; 3603 } 3604 break; 3605 default: 3606 /* 3607 * Pass unknown ioctls first to the driver, and if it 3608 * returns ENOTTY, then to the generic Ethernet handler. 3609 */ 3610 if (ic->ic_ioctl != NULL && 3611 (error = ic->ic_ioctl(ic, cmd, data)) != ENOTTY) 3612 break; 3613 error = ether_ioctl(ifp, cmd, data); 3614 break; 3615 } 3616 return (error); 3617 } 3618