1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2001 Atsushi Onoe 5 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 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/socket.h> 42 #include <sys/sockio.h> 43 #include <sys/systm.h> 44 45 #include <net/if.h> 46 #include <net/if_var.h> 47 #include <net/if_dl.h> 48 #include <net/if_media.h> 49 #include <net/if_private.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(u_long cmd, struct ieee80211vap *vap, 74 struct ieee80211req *ireq) 75 { 76 struct ieee80211com *ic = vap->iv_ic; 77 struct ieee80211_node *ni; 78 struct ieee80211req_key ik; 79 struct ieee80211_key *wk; 80 const struct ieee80211_cipher *cip; 81 u_int kid; 82 int error; 83 84 if (ireq->i_len != sizeof(ik)) 85 return EINVAL; 86 error = copyin(ireq->i_data, &ik, sizeof(ik)); 87 if (error) 88 return error; 89 kid = ik.ik_keyix; 90 if (kid == IEEE80211_KEYIX_NONE) { 91 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr); 92 if (ni == NULL) 93 return ENOENT; 94 wk = &ni->ni_ucastkey; 95 } else { 96 if (kid >= IEEE80211_WEP_NKID) 97 return EINVAL; 98 wk = &vap->iv_nw_keys[kid]; 99 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr); 100 ni = NULL; 101 } 102 cip = wk->wk_cipher; 103 ik.ik_type = cip->ic_cipher; 104 ik.ik_keylen = wk->wk_keylen; 105 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 106 if (wk->wk_keyix == vap->iv_def_txkey) 107 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 108 if (ieee80211_priv_check_vap_getkey(cmd, vap, NULL) == 0) { 109 /* NB: only root can read key data */ 110 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID]; 111 ik.ik_keytsc = wk->wk_keytsc; 112 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 113 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 114 memcpy(ik.ik_keydata+wk->wk_keylen, 115 wk->wk_key + IEEE80211_KEYBUF_SIZE, 116 IEEE80211_MICBUF_SIZE); 117 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 118 } 119 } else { 120 ik.ik_keyrsc = 0; 121 ik.ik_keytsc = 0; 122 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 123 } 124 if (ni != NULL) 125 ieee80211_free_node(ni); 126 return copyout(&ik, ireq->i_data, sizeof(ik)); 127 } 128 129 static int 130 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 131 { 132 struct ieee80211com *ic = vap->iv_ic; 133 134 if (sizeof(ic->ic_chan_active) < ireq->i_len) 135 ireq->i_len = sizeof(ic->ic_chan_active); 136 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); 137 } 138 139 static int 140 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 141 { 142 struct ieee80211com *ic = vap->iv_ic; 143 uint32_t space; 144 145 space = __offsetof(struct ieee80211req_chaninfo, 146 ic_chans[ic->ic_nchans]); 147 if (space > ireq->i_len) 148 space = ireq->i_len; 149 /* XXX assumes compatible layout */ 150 return copyout(&ic->ic_nchans, ireq->i_data, space); 151 } 152 153 static int 154 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap, 155 struct ieee80211req *ireq, int req) 156 { 157 struct ieee80211_node *ni; 158 struct ieee80211req_wpaie2 *wpaie; 159 int error; 160 161 if (ireq->i_len < IEEE80211_ADDR_LEN) 162 return EINVAL; 163 wpaie = IEEE80211_MALLOC(sizeof(*wpaie), M_TEMP, 164 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 165 if (wpaie == NULL) 166 return ENOMEM; 167 error = copyin(ireq->i_data, wpaie->wpa_macaddr, IEEE80211_ADDR_LEN); 168 if (error != 0) 169 goto bad; 170 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie->wpa_macaddr); 171 if (ni == NULL) { 172 error = ENOENT; 173 goto bad; 174 } 175 if (ni->ni_ies.wpa_ie != NULL) { 176 int ielen = ni->ni_ies.wpa_ie[1] + 2; 177 if (ielen > sizeof(wpaie->wpa_ie)) 178 ielen = sizeof(wpaie->wpa_ie); 179 memcpy(wpaie->wpa_ie, ni->ni_ies.wpa_ie, ielen); 180 } 181 if (req == IEEE80211_IOC_WPAIE2) { 182 if (ni->ni_ies.rsn_ie != NULL) { 183 int ielen = ni->ni_ies.rsn_ie[1] + 2; 184 if (ielen > sizeof(wpaie->rsn_ie)) 185 ielen = sizeof(wpaie->rsn_ie); 186 memcpy(wpaie->rsn_ie, ni->ni_ies.rsn_ie, ielen); 187 } 188 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2)) 189 ireq->i_len = sizeof(struct ieee80211req_wpaie2); 190 } else { 191 /* compatibility op, may overwrite wpa ie */ 192 /* XXX check ic_flags? */ 193 if (ni->ni_ies.rsn_ie != NULL) { 194 int ielen = ni->ni_ies.rsn_ie[1] + 2; 195 if (ielen > sizeof(wpaie->wpa_ie)) 196 ielen = sizeof(wpaie->wpa_ie); 197 memcpy(wpaie->wpa_ie, ni->ni_ies.rsn_ie, ielen); 198 } 199 if (ireq->i_len > sizeof(struct ieee80211req_wpaie)) 200 ireq->i_len = sizeof(struct ieee80211req_wpaie); 201 } 202 ieee80211_free_node(ni); 203 error = copyout(wpaie, ireq->i_data, ireq->i_len); 204 bad: 205 IEEE80211_FREE(wpaie, M_TEMP); 206 return error; 207 } 208 209 static int 210 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 211 { 212 struct ieee80211_node *ni; 213 uint8_t macaddr[IEEE80211_ADDR_LEN]; 214 const size_t off = __offsetof(struct ieee80211req_sta_stats, is_stats); 215 int error; 216 217 if (ireq->i_len < off) 218 return EINVAL; 219 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 220 if (error != 0) 221 return error; 222 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 223 if (ni == NULL) 224 return ENOENT; 225 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 226 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 227 /* NB: copy out only the statistics */ 228 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off, 229 ireq->i_len - off); 230 ieee80211_free_node(ni); 231 return error; 232 } 233 234 struct scanreq { 235 struct ieee80211req_scan_result *sr; 236 size_t space; 237 }; 238 239 static size_t 240 scan_space(const struct ieee80211_scan_entry *se, int *ielen) 241 { 242 size_t len; 243 244 *ielen = se->se_ies.len; 245 /* 246 * NB: ie's can be no more than 255 bytes and the max 802.11 247 * packet is <3Kbytes so we are sure this doesn't overflow 248 * 16-bits; if this is a concern we can drop the ie's. 249 */ 250 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + 251 se->se_meshid[1] + *ielen; 252 return roundup(len, sizeof(uint32_t)); 253 } 254 255 static void 256 get_scan_space(void *arg, const struct ieee80211_scan_entry *se) 257 { 258 struct scanreq *req = arg; 259 int ielen; 260 261 req->space += scan_space(se, &ielen); 262 } 263 264 static void 265 get_scan_result(void *arg, const struct ieee80211_scan_entry *se) 266 { 267 struct scanreq *req = arg; 268 struct ieee80211req_scan_result *sr; 269 int ielen, len, nr, nxr; 270 uint8_t *cp; 271 272 len = scan_space(se, &ielen); 273 if (len > req->space) 274 return; 275 276 sr = req->sr; 277 KASSERT(len <= 65535 && ielen <= 65535, 278 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen)); 279 sr->isr_len = len; 280 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result); 281 sr->isr_ie_len = ielen; 282 sr->isr_freq = se->se_chan->ic_freq; 283 sr->isr_flags = se->se_chan->ic_flags; 284 sr->isr_rssi = se->se_rssi; 285 sr->isr_noise = se->se_noise; 286 sr->isr_intval = se->se_intval; 287 sr->isr_capinfo = se->se_capinfo; 288 sr->isr_erp = se->se_erp; 289 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid); 290 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE); 291 memcpy(sr->isr_rates, se->se_rates+2, nr); 292 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr); 293 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr); 294 sr->isr_nrates = nr + nxr; 295 296 /* copy SSID */ 297 sr->isr_ssid_len = se->se_ssid[1]; 298 cp = ((uint8_t *)sr) + sr->isr_ie_off; 299 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len); 300 301 /* copy mesh id */ 302 cp += sr->isr_ssid_len; 303 sr->isr_meshid_len = se->se_meshid[1]; 304 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len); 305 cp += sr->isr_meshid_len; 306 307 if (ielen) 308 memcpy(cp, se->se_ies.data, ielen); 309 310 req->space -= len; 311 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len); 312 } 313 314 static int 315 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap, 316 struct ieee80211req *ireq) 317 { 318 struct scanreq req; 319 int error; 320 321 if (ireq->i_len < sizeof(struct scanreq)) 322 return EFAULT; 323 324 error = 0; 325 req.space = 0; 326 ieee80211_scan_iterate(vap, get_scan_space, &req); 327 if (req.space > ireq->i_len) 328 req.space = ireq->i_len; 329 if (req.space > 0) { 330 uint32_t space; 331 void *p; 332 333 space = req.space; 334 /* XXX IEEE80211_M_WAITOK after driver lock released */ 335 p = IEEE80211_MALLOC(space, M_TEMP, 336 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 337 if (p == NULL) 338 return ENOMEM; 339 req.sr = p; 340 ieee80211_scan_iterate(vap, get_scan_result, &req); 341 ireq->i_len = space - req.space; 342 error = copyout(p, ireq->i_data, ireq->i_len); 343 IEEE80211_FREE(p, M_TEMP); 344 } else 345 ireq->i_len = 0; 346 347 return error; 348 } 349 350 struct stainforeq { 351 struct ieee80211req_sta_info *si; 352 size_t space; 353 }; 354 355 static size_t 356 sta_space(const struct ieee80211_node *ni, size_t *ielen) 357 { 358 *ielen = ni->ni_ies.len; 359 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, 360 sizeof(uint32_t)); 361 } 362 363 static void 364 get_sta_space(void *arg, struct ieee80211_node *ni) 365 { 366 struct stainforeq *req = arg; 367 size_t ielen; 368 369 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP && 370 ni->ni_associd == 0) /* only associated stations */ 371 return; 372 req->space += sta_space(ni, &ielen); 373 } 374 375 static void 376 get_sta_info(void *arg, struct ieee80211_node *ni) 377 { 378 struct stainforeq *req = arg; 379 struct ieee80211_node_txrate tr; 380 struct ieee80211vap *vap = ni->ni_vap; 381 struct ieee80211req_sta_info *si; 382 size_t ielen, len; 383 uint8_t *cp; 384 385 if (vap->iv_opmode == IEEE80211_M_HOSTAP && 386 ni->ni_associd == 0) /* only associated stations */ 387 return; 388 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 389 return; 390 len = sta_space(ni, &ielen); 391 if (len > req->space) 392 return; 393 si = req->si; 394 si->isi_len = len; 395 si->isi_ie_off = sizeof(struct ieee80211req_sta_info); 396 si->isi_ie_len = ielen; 397 si->isi_freq = ni->ni_chan->ic_freq; 398 si->isi_flags = ni->ni_chan->ic_flags; 399 si->isi_state = ni->ni_flags; 400 si->isi_authmode = ni->ni_authmode; 401 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise); 402 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo); 403 si->isi_capinfo = ni->ni_capinfo; 404 si->isi_erp = ni->ni_erp; 405 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 406 si->isi_nrates = ni->ni_rates.rs_nrates; 407 if (si->isi_nrates > 15) 408 si->isi_nrates = 15; 409 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 410 /* 411 * isi_txrate can only represent the legacy/HT rates. 412 * Only set it if the rate is a legacy/HT rate. 413 * 414 * TODO: For VHT and later rates the API will need changing. 415 */ 416 ieee80211_node_get_txrate(ni, &tr); 417 if ((tr.type == IEEE80211_NODE_TXRATE_LEGACY) || 418 (tr.type == IEEE80211_NODE_TXRATE_HT)) 419 si->isi_txrate = ieee80211_node_get_txrate_dot11rate(ni); 420 /* Note: txmbps is in 1/2Mbit/s units */ 421 si->isi_txmbps = ieee80211_node_get_txrate_kbit(ni) / 500; 422 si->isi_associd = ni->ni_associd; 423 si->isi_txpower = ni->ni_txpower; 424 si->isi_vlan = ni->ni_vlan; 425 if (ni->ni_flags & IEEE80211_NODE_QOS) { 426 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 427 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 428 } else { 429 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID]; 430 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID]; 431 } 432 /* NB: leave all cases in case we relax ni_associd == 0 check */ 433 if (ieee80211_node_is_authorized(ni)) 434 si->isi_inact = vap->iv_inact_run; 435 else if (ni->ni_associd != 0 || 436 (vap->iv_opmode == IEEE80211_M_WDS && 437 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY))) 438 si->isi_inact = vap->iv_inact_auth; 439 else 440 si->isi_inact = vap->iv_inact_init; 441 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 442 si->isi_localid = ni->ni_mllid; 443 si->isi_peerid = ni->ni_mlpid; 444 si->isi_peerstate = ni->ni_mlstate; 445 446 if (ielen) { 447 cp = ((uint8_t *)si) + si->isi_ie_off; 448 memcpy(cp, ni->ni_ies.data, ielen); 449 } 450 451 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len); 452 req->space -= len; 453 } 454 455 static int 456 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq, 457 struct ieee80211_node *ni, size_t off) 458 { 459 struct ieee80211com *ic = vap->iv_ic; 460 struct stainforeq req; 461 size_t space; 462 void *p; 463 int error; 464 465 error = 0; 466 req.space = 0; 467 if (ni == NULL) { 468 ieee80211_iterate_nodes_vap(&ic->ic_sta, vap, get_sta_space, 469 &req); 470 } else 471 get_sta_space(&req, ni); 472 if (req.space > ireq->i_len) 473 req.space = ireq->i_len; 474 if (req.space > 0) { 475 space = req.space; 476 /* XXX IEEE80211_M_WAITOK after driver lock released */ 477 p = IEEE80211_MALLOC(space, M_TEMP, 478 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 479 if (p == NULL) { 480 error = ENOMEM; 481 goto bad; 482 } 483 req.si = p; 484 if (ni == NULL) { 485 ieee80211_iterate_nodes_vap(&ic->ic_sta, vap, 486 get_sta_info, &req); 487 } else 488 get_sta_info(&req, ni); 489 ireq->i_len = space - req.space; 490 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len); 491 IEEE80211_FREE(p, M_TEMP); 492 } else 493 ireq->i_len = 0; 494 bad: 495 if (ni != NULL) 496 ieee80211_free_node(ni); 497 return error; 498 } 499 500 static int 501 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 502 { 503 uint8_t macaddr[IEEE80211_ADDR_LEN]; 504 const size_t off = __offsetof(struct ieee80211req_sta_req, info); 505 struct ieee80211_node *ni; 506 int error; 507 508 if (ireq->i_len < sizeof(struct ieee80211req_sta_req)) 509 return EFAULT; 510 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 511 if (error != 0) 512 return error; 513 if (IEEE80211_ADDR_EQ(macaddr, 514 ieee80211_vap_get_broadcast_address(vap))) { 515 ni = NULL; 516 } else { 517 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 518 if (ni == NULL) 519 return ENOENT; 520 } 521 return getstainfo_common(vap, ireq, ni, off); 522 } 523 524 static int 525 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 526 { 527 struct ieee80211_node *ni; 528 struct ieee80211req_sta_txpow txpow; 529 int error; 530 531 if (ireq->i_len != sizeof(txpow)) 532 return EINVAL; 533 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 534 if (error != 0) 535 return error; 536 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 537 if (ni == NULL) 538 return ENOENT; 539 txpow.it_txpow = ni->ni_txpower; 540 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 541 ieee80211_free_node(ni); 542 return error; 543 } 544 545 static int 546 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 547 { 548 struct ieee80211com *ic = vap->iv_ic; 549 struct ieee80211_wme_state *wme = &ic->ic_wme; 550 struct wmeParams *wmep; 551 int ac; 552 553 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 554 return EINVAL; 555 556 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 557 if (ac >= WME_NUM_AC) 558 ac = WME_AC_BE; 559 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 560 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 561 else 562 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 563 switch (ireq->i_type) { 564 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 565 ireq->i_val = wmep->wmep_logcwmin; 566 break; 567 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 568 ireq->i_val = wmep->wmep_logcwmax; 569 break; 570 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 571 ireq->i_val = wmep->wmep_aifsn; 572 break; 573 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 574 ireq->i_val = wmep->wmep_txopLimit; 575 break; 576 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 577 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 578 ireq->i_val = wmep->wmep_acm; 579 break; 580 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 581 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 582 ireq->i_val = !wmep->wmep_noackPolicy; 583 break; 584 } 585 return 0; 586 } 587 588 static int 589 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 590 { 591 const struct ieee80211_aclator *acl = vap->iv_acl; 592 593 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq)); 594 } 595 596 static int 597 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq) 598 { 599 struct ieee80211com *ic = vap->iv_ic; 600 struct ieee80211_channel *c; 601 602 if (ireq->i_len != sizeof(struct ieee80211_channel)) 603 return EINVAL; 604 /* 605 * vap's may have different operating channels when HT is 606 * in use. When in RUN state report the vap-specific channel. 607 * Otherwise return curchan. 608 */ 609 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 610 c = vap->iv_bss->ni_chan; 611 else 612 c = ic->ic_curchan; 613 return copyout(c, ireq->i_data, sizeof(*c)); 614 } 615 616 static int 617 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq) 618 { 619 if (aie == NULL) 620 return EINVAL; 621 /* NB: truncate, caller can check length */ 622 if (ireq->i_len > aie->ie_len) 623 ireq->i_len = aie->ie_len; 624 return copyout(aie->ie_data, ireq->i_data, ireq->i_len); 625 } 626 627 static int 628 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq) 629 { 630 uint8_t fc0; 631 632 fc0 = ireq->i_val & 0xff; 633 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 634 return EINVAL; 635 /* NB: could check iv_opmode and reject but hardly worth the effort */ 636 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 637 case IEEE80211_FC0_SUBTYPE_BEACON: 638 return getappie(vap->iv_appie_beacon, ireq); 639 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 640 return getappie(vap->iv_appie_proberesp, ireq); 641 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 642 return getappie(vap->iv_appie_assocresp, ireq); 643 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 644 return getappie(vap->iv_appie_probereq, ireq); 645 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 646 return getappie(vap->iv_appie_assocreq, ireq); 647 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP: 648 return getappie(vap->iv_appie_wpa, ireq); 649 } 650 return EINVAL; 651 } 652 653 static int 654 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap, 655 const struct ieee80211req *ireq) 656 { 657 struct ieee80211com *ic = vap->iv_ic; 658 659 if (ireq->i_len != sizeof(ic->ic_regdomain)) 660 return EINVAL; 661 return copyout(&ic->ic_regdomain, ireq->i_data, 662 sizeof(ic->ic_regdomain)); 663 } 664 665 static int 666 ieee80211_ioctl_getroam(struct ieee80211vap *vap, 667 const struct ieee80211req *ireq) 668 { 669 size_t len = ireq->i_len; 670 /* NB: accept short requests for backwards compat */ 671 if (len > sizeof(vap->iv_roamparms)) 672 len = sizeof(vap->iv_roamparms); 673 return copyout(vap->iv_roamparms, ireq->i_data, len); 674 } 675 676 static int 677 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap, 678 const struct ieee80211req *ireq) 679 { 680 size_t len = ireq->i_len; 681 /* NB: accept short requests for backwards compat */ 682 if (len > sizeof(vap->iv_txparms)) 683 len = sizeof(vap->iv_txparms); 684 return copyout(vap->iv_txparms, ireq->i_data, len); 685 } 686 687 static int 688 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic, 689 const struct ieee80211req *ireq) 690 { 691 struct ieee80211_devcaps_req *dc; 692 struct ieee80211req_chaninfo *ci; 693 int maxchans, error; 694 695 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) / 696 sizeof(struct ieee80211_channel)); 697 /* NB: require 1 so we know ic_nchans is accessible */ 698 if (maxchans < 1) 699 return EINVAL; 700 /* constrain max request size, 2K channels is ~24Kbytes */ 701 if (maxchans > 2048) 702 maxchans = 2048; 703 dc = (struct ieee80211_devcaps_req *) 704 IEEE80211_MALLOC(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, 705 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 706 if (dc == NULL) 707 return ENOMEM; 708 dc->dc_drivercaps = ic->ic_caps; 709 /* 710 * Announce the set of both hardware and software supported 711 * ciphers. 712 */ 713 dc->dc_cryptocaps = ic->ic_cryptocaps | ic->ic_sw_cryptocaps; 714 dc->dc_htcaps = ic->ic_htcaps; 715 dc->dc_vhtcaps = ic->ic_vht_cap.vht_cap_info; 716 ci = &dc->dc_chaninfo; 717 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans); 718 KASSERT(ci->ic_nchans <= maxchans, 719 ("nchans %d maxchans %d", ci->ic_nchans, maxchans)); 720 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans); 721 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc)); 722 IEEE80211_FREE(dc, M_TEMP); 723 return error; 724 } 725 726 static int 727 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 728 { 729 struct ieee80211_node *ni; 730 struct ieee80211req_sta_vlan vlan; 731 int error; 732 733 if (ireq->i_len != sizeof(vlan)) 734 return EINVAL; 735 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 736 if (error != 0) 737 return error; 738 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 739 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 740 vlan.sv_macaddr); 741 if (ni == NULL) 742 return ENOENT; 743 } else 744 ni = ieee80211_ref_node(vap->iv_bss); 745 vlan.sv_vlan = ni->ni_vlan; 746 error = copyout(&vlan, ireq->i_data, sizeof(vlan)); 747 ieee80211_free_node(ni); 748 return error; 749 } 750 751 /* 752 * Dummy ioctl get handler so the linker set is defined. 753 */ 754 static int 755 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq) 756 { 757 return ENOSYS; 758 } 759 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get); 760 761 static int 762 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 763 { 764 ieee80211_ioctl_getfunc * const *get; 765 int error; 766 767 SET_FOREACH(get, ieee80211_ioctl_getset) { 768 error = (*get)(vap, ireq); 769 if (error != ENOSYS) 770 return error; 771 } 772 return EINVAL; 773 } 774 775 static int 776 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd, 777 struct ieee80211req *ireq) 778 { 779 struct ieee80211com *ic = vap->iv_ic; 780 u_int kid, len; 781 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 782 char tmpssid[IEEE80211_NWID_LEN]; 783 int error = 0; 784 785 switch (ireq->i_type) { 786 case IEEE80211_IOC_IC_NAME: 787 len = strlen(ic->ic_name) + 1; 788 if (len > ireq->i_len) 789 return (EINVAL); 790 ireq->i_len = len; 791 error = copyout(ic->ic_name, ireq->i_data, ireq->i_len); 792 break; 793 case IEEE80211_IOC_SSID: 794 switch (vap->iv_state) { 795 case IEEE80211_S_INIT: 796 case IEEE80211_S_SCAN: 797 ireq->i_len = vap->iv_des_ssid[0].len; 798 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); 799 break; 800 default: 801 ireq->i_len = vap->iv_bss->ni_esslen; 802 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); 803 break; 804 } 805 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 806 break; 807 case IEEE80211_IOC_NUMSSIDS: 808 ireq->i_val = 1; 809 break; 810 case IEEE80211_IOC_WEP: 811 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 812 ireq->i_val = IEEE80211_WEP_OFF; 813 else if (vap->iv_flags & IEEE80211_F_DROPUNENC) 814 ireq->i_val = IEEE80211_WEP_ON; 815 else 816 ireq->i_val = IEEE80211_WEP_MIXED; 817 break; 818 case IEEE80211_IOC_WEPKEY: 819 kid = (u_int) ireq->i_val; 820 if (kid >= IEEE80211_WEP_NKID) 821 return EINVAL; 822 len = (u_int) vap->iv_nw_keys[kid].wk_keylen; 823 /* NB: only root can read WEP keys */ 824 if (ieee80211_priv_check_vap_getkey(cmd, vap, NULL) == 0) { 825 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); 826 } else { 827 bzero(tmpkey, len); 828 } 829 ireq->i_len = len; 830 error = copyout(tmpkey, ireq->i_data, len); 831 break; 832 case IEEE80211_IOC_NUMWEPKEYS: 833 ireq->i_val = IEEE80211_WEP_NKID; 834 break; 835 case IEEE80211_IOC_WEPTXKEY: 836 ireq->i_val = vap->iv_def_txkey; 837 break; 838 case IEEE80211_IOC_AUTHMODE: 839 if (vap->iv_flags & IEEE80211_F_WPA) 840 ireq->i_val = IEEE80211_AUTH_WPA; 841 else 842 ireq->i_val = vap->iv_bss->ni_authmode; 843 break; 844 case IEEE80211_IOC_CHANNEL: 845 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 846 break; 847 case IEEE80211_IOC_POWERSAVE: 848 if (vap->iv_flags & IEEE80211_F_PMGTON) 849 ireq->i_val = IEEE80211_POWERSAVE_ON; 850 else 851 ireq->i_val = IEEE80211_POWERSAVE_OFF; 852 break; 853 case IEEE80211_IOC_POWERSAVESLEEP: 854 ireq->i_val = ic->ic_lintval; 855 break; 856 case IEEE80211_IOC_RTSTHRESHOLD: 857 ireq->i_val = vap->iv_rtsthreshold; 858 break; 859 case IEEE80211_IOC_PROTMODE: 860 ireq->i_val = vap->iv_protmode; 861 break; 862 case IEEE80211_IOC_TXPOWER: 863 /* 864 * Tx power limit is the min of max regulatory 865 * power, any user-set limit, and the max the 866 * radio can do. 867 * 868 * TODO: methodize this 869 */ 870 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; 871 if (ireq->i_val > ic->ic_txpowlimit) 872 ireq->i_val = ic->ic_txpowlimit; 873 if (ireq->i_val > ic->ic_curchan->ic_maxpower) 874 ireq->i_val = ic->ic_curchan->ic_maxpower; 875 break; 876 case IEEE80211_IOC_WPA: 877 switch (vap->iv_flags & IEEE80211_F_WPA) { 878 case IEEE80211_F_WPA1: 879 ireq->i_val = 1; 880 break; 881 case IEEE80211_F_WPA2: 882 ireq->i_val = 2; 883 break; 884 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 885 ireq->i_val = 3; 886 break; 887 default: 888 ireq->i_val = 0; 889 break; 890 } 891 break; 892 case IEEE80211_IOC_CHANLIST: 893 error = ieee80211_ioctl_getchanlist(vap, ireq); 894 break; 895 case IEEE80211_IOC_ROAMING: 896 ireq->i_val = vap->iv_roaming; 897 break; 898 case IEEE80211_IOC_PRIVACY: 899 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; 900 break; 901 case IEEE80211_IOC_DROPUNENCRYPTED: 902 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; 903 break; 904 case IEEE80211_IOC_COUNTERMEASURES: 905 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; 906 break; 907 case IEEE80211_IOC_WME: 908 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; 909 break; 910 case IEEE80211_IOC_HIDESSID: 911 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; 912 break; 913 case IEEE80211_IOC_APBRIDGE: 914 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; 915 break; 916 case IEEE80211_IOC_WPAKEY: 917 error = ieee80211_ioctl_getkey(cmd, vap, ireq); 918 break; 919 case IEEE80211_IOC_CHANINFO: 920 error = ieee80211_ioctl_getchaninfo(vap, ireq); 921 break; 922 case IEEE80211_IOC_BSSID: 923 if (ireq->i_len != IEEE80211_ADDR_LEN) 924 return EINVAL; 925 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) { 926 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ? 927 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid, 928 ireq->i_data, ireq->i_len); 929 } else 930 error = copyout(vap->iv_des_bssid, ireq->i_data, 931 ireq->i_len); 932 break; 933 case IEEE80211_IOC_WPAIE: 934 case IEEE80211_IOC_WPAIE2: 935 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 936 break; 937 case IEEE80211_IOC_SCAN_RESULTS: 938 error = ieee80211_ioctl_getscanresults(vap, ireq); 939 break; 940 case IEEE80211_IOC_STA_STATS: 941 error = ieee80211_ioctl_getstastats(vap, ireq); 942 break; 943 case IEEE80211_IOC_TXPOWMAX: 944 ireq->i_val = vap->iv_bss->ni_txpower; 945 break; 946 case IEEE80211_IOC_STA_TXPOW: 947 error = ieee80211_ioctl_getstatxpow(vap, ireq); 948 break; 949 case IEEE80211_IOC_STA_INFO: 950 error = ieee80211_ioctl_getstainfo(vap, ireq); 951 break; 952 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 953 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 954 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 955 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 956 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 957 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 958 error = ieee80211_ioctl_getwmeparam(vap, ireq); 959 break; 960 case IEEE80211_IOC_DTIM_PERIOD: 961 ireq->i_val = vap->iv_dtim_period; 962 break; 963 case IEEE80211_IOC_BEACON_INTERVAL: 964 /* NB: get from ic_bss for station mode */ 965 ireq->i_val = vap->iv_bss->ni_intval; 966 break; 967 case IEEE80211_IOC_PUREG: 968 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; 969 break; 970 case IEEE80211_IOC_QUIET: 971 ireq->i_val = vap->iv_quiet; 972 break; 973 case IEEE80211_IOC_QUIET_COUNT: 974 ireq->i_val = vap->iv_quiet_count; 975 break; 976 case IEEE80211_IOC_QUIET_PERIOD: 977 ireq->i_val = vap->iv_quiet_period; 978 break; 979 case IEEE80211_IOC_QUIET_DUR: 980 ireq->i_val = vap->iv_quiet_duration; 981 break; 982 case IEEE80211_IOC_QUIET_OFFSET: 983 ireq->i_val = vap->iv_quiet_offset; 984 break; 985 case IEEE80211_IOC_BGSCAN: 986 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 987 break; 988 case IEEE80211_IOC_BGSCAN_IDLE: 989 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 990 break; 991 case IEEE80211_IOC_BGSCAN_INTERVAL: 992 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 993 break; 994 case IEEE80211_IOC_SCANVALID: 995 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 996 break; 997 case IEEE80211_IOC_FRAGTHRESHOLD: 998 ireq->i_val = vap->iv_fragthreshold; 999 break; 1000 case IEEE80211_IOC_MACCMD: 1001 error = ieee80211_ioctl_getmaccmd(vap, ireq); 1002 break; 1003 case IEEE80211_IOC_BURST: 1004 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 1005 break; 1006 case IEEE80211_IOC_BMISSTHRESHOLD: 1007 ireq->i_val = vap->iv_bmissthreshold; 1008 break; 1009 case IEEE80211_IOC_CURCHAN: 1010 error = ieee80211_ioctl_getcurchan(vap, ireq); 1011 break; 1012 case IEEE80211_IOC_SHORTGI: 1013 ireq->i_val = 0; 1014 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) 1015 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 1016 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) 1017 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 1018 break; 1019 case IEEE80211_IOC_AMPDU: 1020 ireq->i_val = 0; 1021 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) 1022 ireq->i_val |= 1; 1023 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) 1024 ireq->i_val |= 2; 1025 break; 1026 case IEEE80211_IOC_AMPDU_LIMIT: 1027 /* XXX TODO: make this a per-node thing; and leave this as global */ 1028 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1029 ireq->i_val = vap->iv_ampdu_rxmax; 1030 else if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 1031 /* 1032 * XXX TODO: this isn't completely correct, as we've 1033 * negotiated the higher of the two. 1034 */ 1035 ireq->i_val = _IEEE80211_MASKSHIFT( vap->iv_bss->ni_htparam, 1036 IEEE80211_HTCAP_MAXRXAMPDU); 1037 else 1038 ireq->i_val = vap->iv_ampdu_limit; 1039 break; 1040 case IEEE80211_IOC_AMPDU_DENSITY: 1041 /* XXX TODO: make this a per-node thing; and leave this as global */ 1042 if (vap->iv_opmode == IEEE80211_M_STA && 1043 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1044 /* 1045 * XXX TODO: this isn't completely correct, as we've 1046 * negotiated the higher of the two. 1047 */ 1048 ireq->i_val = _IEEE80211_MASKSHIFT(vap->iv_bss->ni_htparam, 1049 IEEE80211_HTCAP_MPDUDENSITY); 1050 else 1051 ireq->i_val = vap->iv_ampdu_density; 1052 break; 1053 case IEEE80211_IOC_AMSDU: 1054 ireq->i_val = 0; 1055 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) 1056 ireq->i_val |= 1; 1057 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) 1058 ireq->i_val |= 2; 1059 break; 1060 case IEEE80211_IOC_AMSDU_LIMIT: 1061 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1062 break; 1063 case IEEE80211_IOC_PUREN: 1064 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; 1065 break; 1066 case IEEE80211_IOC_DOTH: 1067 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1068 break; 1069 case IEEE80211_IOC_REGDOMAIN: 1070 error = ieee80211_ioctl_getregdomain(vap, ireq); 1071 break; 1072 case IEEE80211_IOC_ROAM: 1073 error = ieee80211_ioctl_getroam(vap, ireq); 1074 break; 1075 case IEEE80211_IOC_TXPARAMS: 1076 error = ieee80211_ioctl_gettxparams(vap, ireq); 1077 break; 1078 case IEEE80211_IOC_HTCOMPAT: 1079 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; 1080 break; 1081 case IEEE80211_IOC_DWDS: 1082 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1083 break; 1084 case IEEE80211_IOC_INACTIVITY: 1085 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1086 break; 1087 case IEEE80211_IOC_APPIE: 1088 error = ieee80211_ioctl_getappie(vap, ireq); 1089 break; 1090 case IEEE80211_IOC_WPS: 1091 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1092 break; 1093 case IEEE80211_IOC_TSN: 1094 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1095 break; 1096 case IEEE80211_IOC_DFS: 1097 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1098 break; 1099 case IEEE80211_IOC_DOTD: 1100 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1101 break; 1102 case IEEE80211_IOC_DEVCAPS: 1103 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1104 break; 1105 case IEEE80211_IOC_HTPROTMODE: 1106 ireq->i_val = vap->iv_htprotmode; 1107 break; 1108 case IEEE80211_IOC_HTCONF: 1109 if (vap->iv_flags_ht & IEEE80211_FHT_HT) { 1110 ireq->i_val = 1; 1111 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) 1112 ireq->i_val |= 2; 1113 } else 1114 ireq->i_val = 0; 1115 break; 1116 case IEEE80211_IOC_STA_VLAN: 1117 error = ieee80211_ioctl_getstavlan(vap, ireq); 1118 break; 1119 case IEEE80211_IOC_SMPS: 1120 if (vap->iv_opmode == IEEE80211_M_STA && 1121 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) { 1122 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1123 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1124 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1125 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1126 else 1127 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1128 } else 1129 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1130 break; 1131 case IEEE80211_IOC_RIFS: 1132 if (vap->iv_opmode == IEEE80211_M_STA && 1133 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1134 ireq->i_val = 1135 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1136 else 1137 ireq->i_val = 1138 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; 1139 break; 1140 case IEEE80211_IOC_STBC: 1141 ireq->i_val = 0; 1142 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_TX) 1143 ireq->i_val |= 1; 1144 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_RX) 1145 ireq->i_val |= 2; 1146 break; 1147 case IEEE80211_IOC_LDPC: 1148 ireq->i_val = 0; 1149 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_TX) 1150 ireq->i_val |= 1; 1151 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_RX) 1152 ireq->i_val |= 2; 1153 break; 1154 case IEEE80211_IOC_UAPSD: 1155 ireq->i_val = 0; 1156 if (vap->iv_flags_ext & IEEE80211_FEXT_UAPSD) 1157 ireq->i_val = 1; 1158 break; 1159 case IEEE80211_IOC_VHTCONF: 1160 ireq->i_val = vap->iv_vht_flags & IEEE80211_FVHT_MASK; 1161 break; 1162 default: 1163 error = ieee80211_ioctl_getdefault(vap, ireq); 1164 break; 1165 } 1166 return error; 1167 } 1168 1169 static int 1170 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1171 { 1172 struct ieee80211req_key ik; 1173 struct ieee80211_node *ni; 1174 struct ieee80211_key *wk; 1175 uint16_t kid; 1176 int error, i; 1177 1178 if (ireq->i_len != sizeof(ik)) 1179 return EINVAL; 1180 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1181 if (error) 1182 return error; 1183 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1184 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1185 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1186 return E2BIG; 1187 kid = ik.ik_keyix; 1188 if (kid == IEEE80211_KEYIX_NONE) { 1189 /* XXX unicast keys currently must be tx/rx */ 1190 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1191 return EINVAL; 1192 if (vap->iv_opmode == IEEE80211_M_STA) { 1193 ni = ieee80211_ref_node(vap->iv_bss); 1194 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1195 ieee80211_free_node(ni); 1196 return EADDRNOTAVAIL; 1197 } 1198 } else { 1199 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1200 ik.ik_macaddr); 1201 if (ni == NULL) 1202 return ENOENT; 1203 } 1204 wk = &ni->ni_ucastkey; 1205 } else { 1206 if (kid >= IEEE80211_WEP_NKID) 1207 return EINVAL; 1208 wk = &vap->iv_nw_keys[kid]; 1209 /* 1210 * Global slots start off w/o any assigned key index. 1211 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1212 */ 1213 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1214 wk->wk_keyix = kid; 1215 ni = NULL; 1216 } 1217 error = 0; 1218 ieee80211_key_update_begin(vap); 1219 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1220 wk->wk_keylen = ik.ik_keylen; 1221 /* NB: MIC presence is implied by cipher type */ 1222 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1223 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1224 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1225 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1226 wk->wk_keytsc = 0; /* new key, reset */ 1227 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1228 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1229 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1230 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1231 if (!ieee80211_crypto_setkey(vap, wk)) 1232 error = EIO; 1233 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1234 /* 1235 * Inform the driver that this is the default 1236 * transmit key. Now, ideally we'd just set 1237 * a flag in the key update that would 1238 * say "yes, we're the default key", but 1239 * that currently isn't the way the ioctl -> 1240 * key interface works. 1241 */ 1242 ieee80211_crypto_set_deftxkey(vap, kid); 1243 } else 1244 error = ENXIO; 1245 ieee80211_key_update_end(vap); 1246 if (ni != NULL) 1247 ieee80211_free_node(ni); 1248 return error; 1249 } 1250 1251 static int 1252 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1253 { 1254 struct ieee80211req_del_key dk; 1255 int kid, error; 1256 1257 if (ireq->i_len != sizeof(dk)) 1258 return EINVAL; 1259 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1260 if (error) 1261 return error; 1262 kid = dk.idk_keyix; 1263 /* XXX uint8_t -> uint16_t */ 1264 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1265 struct ieee80211_node *ni; 1266 1267 if (vap->iv_opmode == IEEE80211_M_STA) { 1268 ni = ieee80211_ref_node(vap->iv_bss); 1269 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1270 ieee80211_free_node(ni); 1271 return EADDRNOTAVAIL; 1272 } 1273 } else { 1274 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1275 dk.idk_macaddr); 1276 if (ni == NULL) 1277 return ENOENT; 1278 } 1279 /* XXX error return */ 1280 ieee80211_node_delucastkey(ni); 1281 ieee80211_free_node(ni); 1282 } else { 1283 if (kid >= IEEE80211_WEP_NKID) 1284 return EINVAL; 1285 /* XXX error return */ 1286 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1287 } 1288 return 0; 1289 } 1290 1291 struct mlmeop { 1292 struct ieee80211vap *vap; 1293 int op; 1294 int reason; 1295 }; 1296 1297 static void 1298 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1299 int op, int reason) 1300 { 1301 #ifdef IEEE80211_DEBUG 1302 static const struct { 1303 int mask; 1304 const char *opstr; 1305 } ops[] = { 1306 { 0, "op#0" }, 1307 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1308 IEEE80211_MSG_ASSOC, "assoc" }, 1309 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1310 IEEE80211_MSG_ASSOC, "disassoc" }, 1311 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1312 IEEE80211_MSG_AUTH, "deauth" }, 1313 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1314 IEEE80211_MSG_AUTH, "authorize" }, 1315 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1316 IEEE80211_MSG_AUTH, "unauthorize" }, 1317 }; 1318 1319 if (op == IEEE80211_MLME_AUTH) { 1320 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1321 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1322 "station authenticate %s via MLME (reason: %d (%s))", 1323 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1324 reason, ieee80211_reason_to_string(reason)); 1325 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1326 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1327 "unknown MLME request %d (reason: %d (%s))", op, reason, 1328 ieee80211_reason_to_string(reason)); 1329 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1330 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1331 "station %s via MLME", ops[op].opstr); 1332 } else { 1333 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1334 "station %s via MLME (reason: %d (%s))", ops[op].opstr, 1335 reason, ieee80211_reason_to_string(reason)); 1336 } 1337 #endif /* IEEE80211_DEBUG */ 1338 } 1339 1340 static void 1341 domlme(void *arg, struct ieee80211_node *ni) 1342 { 1343 struct mlmeop *mop = arg; 1344 struct ieee80211vap *vap = ni->ni_vap; 1345 1346 if (vap != mop->vap) 1347 return; 1348 /* 1349 * NB: if ni_associd is zero then the node is already cleaned 1350 * up and we don't need to do this (we're safely holding a 1351 * reference but should otherwise not modify it's state). 1352 */ 1353 if (ni->ni_associd == 0) 1354 return; 1355 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1356 if (mop->op == IEEE80211_MLME_DEAUTH) { 1357 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1358 mop->reason); 1359 } else { 1360 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1361 mop->reason); 1362 } 1363 ieee80211_node_leave(ni); 1364 } 1365 1366 static int 1367 setmlme_dropsta(struct ieee80211vap *vap, 1368 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1369 { 1370 struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta; 1371 struct ieee80211_node *ni; 1372 int error = 0; 1373 1374 /* NB: the broadcast address means do 'em all */ 1375 if (!IEEE80211_ADDR_EQ(mac, 1376 ieee80211_vap_get_broadcast_address(vap))) { 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 bool found; 1536 struct ieee80211_scan_entry se; 1537 }; 1538 1539 /* 1540 * Match mac address and any ssid. 1541 */ 1542 static void 1543 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1544 { 1545 struct scanlookup *look = arg; 1546 int rv; 1547 1548 if (look->found) 1549 return; 1550 1551 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1552 return; 1553 if (look->esslen != 0) { 1554 if (se->se_ssid[1] != look->esslen) 1555 return; 1556 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1557 return; 1558 } 1559 /* 1560 * First copy everything and then ensure we get our own copy of se_ies. */ 1561 look->se = *se; 1562 look->se.se_ies.data = 0; 1563 look->se.se_ies.len = 0; 1564 rv = ieee80211_ies_init(&look->se.se_ies, se->se_ies.data, se->se_ies.len); 1565 if (rv != 0) /* No error */ 1566 look->found = true; 1567 } 1568 1569 static int 1570 setmlme_assoc_sta(struct ieee80211vap *vap, 1571 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1572 const uint8_t ssid[IEEE80211_NWID_LEN]) 1573 { 1574 struct scanlookup lookup; 1575 int rv; 1576 1577 KASSERT(vap->iv_opmode == IEEE80211_M_STA, 1578 ("expected opmode STA not %s", 1579 ieee80211_opmode_name[vap->iv_opmode])); 1580 1581 /* NB: this is racey if roaming is !manual */ 1582 lookup.mac = mac; 1583 lookup.esslen = ssid_len; 1584 lookup.essid = ssid; 1585 memset(&lookup.se, 0, sizeof(lookup.se)); 1586 lookup.found = false; 1587 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1588 if (!lookup.found) 1589 return ENOENT; 1590 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1591 rv = ieee80211_sta_join(vap, lookup.se.se_chan, &lookup.se); 1592 ieee80211_ies_cleanup(&lookup.se.se_ies); 1593 if (rv == 0) 1594 return EIO; /* XXX unique but could be better */ 1595 return 0; 1596 } 1597 1598 static int 1599 setmlme_assoc_adhoc(struct ieee80211vap *vap, 1600 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1601 const uint8_t ssid[IEEE80211_NWID_LEN]) 1602 { 1603 struct ieee80211_scan_req *sr; 1604 int error; 1605 1606 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS || 1607 vap->iv_opmode == IEEE80211_M_AHDEMO, 1608 ("expected opmode IBSS or AHDEMO not %s", 1609 ieee80211_opmode_name[vap->iv_opmode])); 1610 1611 if (ssid_len == 0 || ssid_len > IEEE80211_NWID_LEN) 1612 return EINVAL; 1613 1614 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 1615 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1616 if (sr == NULL) 1617 return ENOMEM; 1618 1619 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */ 1620 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 1621 vap->iv_des_ssid[0].len = ssid_len; 1622 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len); 1623 vap->iv_des_nssid = 1; 1624 1625 sr->sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE; 1626 sr->sr_duration = IEEE80211_IOC_SCAN_FOREVER; 1627 memcpy(sr->sr_ssid[0].ssid, ssid, ssid_len); 1628 sr->sr_ssid[0].len = ssid_len; 1629 sr->sr_nssid = 1; 1630 1631 error = ieee80211_scanreq(vap, sr); 1632 1633 IEEE80211_FREE(sr, M_TEMP); 1634 return error; 1635 } 1636 1637 static int 1638 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1639 { 1640 struct ieee80211req_mlme mlme; 1641 int error; 1642 1643 if (ireq->i_len != sizeof(mlme)) 1644 return EINVAL; 1645 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1646 if (error) 1647 return error; 1648 if (vap->iv_opmode == IEEE80211_M_STA && 1649 mlme.im_op == IEEE80211_MLME_ASSOC) 1650 return setmlme_assoc_sta(vap, mlme.im_macaddr, 1651 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1652 else if ((vap->iv_opmode == IEEE80211_M_IBSS || 1653 vap->iv_opmode == IEEE80211_M_AHDEMO) && 1654 mlme.im_op == IEEE80211_MLME_ASSOC) 1655 return setmlme_assoc_adhoc(vap, mlme.im_macaddr, 1656 mlme.im_ssid_len, mlme.im_ssid); 1657 else 1658 return setmlme_common(vap, mlme.im_op, 1659 mlme.im_macaddr, mlme.im_reason); 1660 } 1661 1662 static int 1663 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1664 { 1665 uint8_t mac[IEEE80211_ADDR_LEN]; 1666 const struct ieee80211_aclator *acl = vap->iv_acl; 1667 int error; 1668 1669 if (ireq->i_len != sizeof(mac)) 1670 return EINVAL; 1671 error = copyin(ireq->i_data, mac, ireq->i_len); 1672 if (error) 1673 return error; 1674 if (acl == NULL) { 1675 acl = ieee80211_aclator_get("mac"); 1676 if (acl == NULL || !acl->iac_attach(vap)) 1677 return EINVAL; 1678 vap->iv_acl = acl; 1679 } 1680 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1681 acl->iac_add(vap, mac); 1682 else 1683 acl->iac_remove(vap, mac); 1684 return 0; 1685 } 1686 1687 static int 1688 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1689 { 1690 const struct ieee80211_aclator *acl = vap->iv_acl; 1691 1692 switch (ireq->i_val) { 1693 case IEEE80211_MACCMD_POLICY_OPEN: 1694 case IEEE80211_MACCMD_POLICY_ALLOW: 1695 case IEEE80211_MACCMD_POLICY_DENY: 1696 case IEEE80211_MACCMD_POLICY_RADIUS: 1697 if (acl == NULL) { 1698 acl = ieee80211_aclator_get("mac"); 1699 if (acl == NULL || !acl->iac_attach(vap)) 1700 return EINVAL; 1701 vap->iv_acl = acl; 1702 } 1703 acl->iac_setpolicy(vap, ireq->i_val); 1704 break; 1705 case IEEE80211_MACCMD_FLUSH: 1706 if (acl != NULL) 1707 acl->iac_flush(vap); 1708 /* NB: silently ignore when not in use */ 1709 break; 1710 case IEEE80211_MACCMD_DETACH: 1711 if (acl != NULL) { 1712 vap->iv_acl = NULL; 1713 acl->iac_detach(vap); 1714 } 1715 break; 1716 default: 1717 if (acl == NULL) 1718 return EINVAL; 1719 else 1720 return acl->iac_setioctl(vap, ireq); 1721 } 1722 return 0; 1723 } 1724 1725 static int 1726 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1727 { 1728 struct ieee80211com *ic = vap->iv_ic; 1729 uint8_t *chanlist, *list; 1730 int i, nchan, maxchan, error; 1731 1732 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1733 ireq->i_len = sizeof(ic->ic_chan_active); 1734 list = IEEE80211_MALLOC(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1735 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1736 if (list == NULL) 1737 return ENOMEM; 1738 error = copyin(ireq->i_data, list, ireq->i_len); 1739 if (error) { 1740 IEEE80211_FREE(list, M_TEMP); 1741 return error; 1742 } 1743 nchan = 0; 1744 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1745 maxchan = ireq->i_len * NBBY; 1746 for (i = 0; i < ic->ic_nchans; i++) { 1747 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1748 /* 1749 * Calculate the intersection of the user list and the 1750 * available channels so users can do things like specify 1751 * 1-255 to get all available channels. 1752 */ 1753 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1754 setbit(chanlist, c->ic_ieee); 1755 nchan++; 1756 } 1757 } 1758 if (nchan == 0) { 1759 IEEE80211_FREE(list, M_TEMP); 1760 return EINVAL; 1761 } 1762 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1763 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1764 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1765 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1766 ieee80211_scan_flush(vap); 1767 IEEE80211_FREE(list, M_TEMP); 1768 return ENETRESET; 1769 } 1770 1771 static int 1772 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1773 { 1774 struct ieee80211_node *ni; 1775 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1776 int error; 1777 1778 /* 1779 * NB: we could copyin ieee80211req_sta_stats so apps 1780 * could make selective changes but that's overkill; 1781 * just clear all stats for now. 1782 */ 1783 if (ireq->i_len < IEEE80211_ADDR_LEN) 1784 return EINVAL; 1785 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1786 if (error != 0) 1787 return error; 1788 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1789 if (ni == NULL) 1790 return ENOENT; 1791 /* XXX require ni_vap == vap? */ 1792 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1793 ieee80211_free_node(ni); 1794 return 0; 1795 } 1796 1797 static int 1798 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1799 { 1800 struct ieee80211_node *ni; 1801 struct ieee80211req_sta_txpow txpow; 1802 int error; 1803 1804 if (ireq->i_len != sizeof(txpow)) 1805 return EINVAL; 1806 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1807 if (error != 0) 1808 return error; 1809 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1810 if (ni == NULL) 1811 return ENOENT; 1812 ni->ni_txpower = txpow.it_txpow; 1813 ieee80211_free_node(ni); 1814 return error; 1815 } 1816 1817 static int 1818 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1819 { 1820 struct ieee80211com *ic = vap->iv_ic; 1821 struct ieee80211_wme_state *wme = &ic->ic_wme; 1822 struct wmeParams *wmep, *chanp; 1823 int isbss, ac, aggrmode; 1824 1825 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1826 return EOPNOTSUPP; 1827 1828 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1829 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1830 aggrmode = (wme->wme_flags & WME_F_AGGRMODE); 1831 if (ac >= WME_NUM_AC) 1832 ac = WME_AC_BE; 1833 if (isbss) { 1834 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1835 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1836 } else { 1837 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1838 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1839 } 1840 switch (ireq->i_type) { 1841 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1842 wmep->wmep_logcwmin = ireq->i_val; 1843 if (!isbss || !aggrmode) 1844 chanp->wmep_logcwmin = ireq->i_val; 1845 break; 1846 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1847 wmep->wmep_logcwmax = ireq->i_val; 1848 if (!isbss || !aggrmode) 1849 chanp->wmep_logcwmax = ireq->i_val; 1850 break; 1851 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1852 wmep->wmep_aifsn = ireq->i_val; 1853 if (!isbss || !aggrmode) 1854 chanp->wmep_aifsn = ireq->i_val; 1855 break; 1856 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1857 wmep->wmep_txopLimit = ireq->i_val; 1858 if (!isbss || !aggrmode) 1859 chanp->wmep_txopLimit = ireq->i_val; 1860 break; 1861 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1862 wmep->wmep_acm = ireq->i_val; 1863 if (!aggrmode) 1864 chanp->wmep_acm = ireq->i_val; 1865 break; 1866 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1867 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1868 (ireq->i_val) == 0; 1869 break; 1870 } 1871 ieee80211_wme_updateparams(vap); 1872 return 0; 1873 } 1874 1875 static int 1876 find11gchannel(struct ieee80211com *ic, int start, int freq) 1877 { 1878 const struct ieee80211_channel *c; 1879 int i; 1880 1881 for (i = start+1; i < ic->ic_nchans; i++) { 1882 c = &ic->ic_channels[i]; 1883 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1884 return 1; 1885 } 1886 /* NB: should not be needed but in case things are mis-sorted */ 1887 for (i = 0; i < start; i++) { 1888 c = &ic->ic_channels[i]; 1889 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1890 return 1; 1891 } 1892 return 0; 1893 } 1894 1895 static struct ieee80211_channel * 1896 findchannel(struct ieee80211com *ic, int ieee, int mode) 1897 { 1898 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1899 [IEEE80211_MODE_AUTO] = 0, 1900 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1901 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1902 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1903 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1904 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1905 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1906 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1907 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1908 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1909 /* NB: handled specially below */ 1910 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1911 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1912 [IEEE80211_MODE_VHT_5GHZ] = IEEE80211_CHAN_A, 1913 [IEEE80211_MODE_VHT_2GHZ] = IEEE80211_CHAN_G, 1914 }; 1915 u_int modeflags; 1916 int i; 1917 1918 modeflags = chanflags[mode]; 1919 for (i = 0; i < ic->ic_nchans; i++) { 1920 struct ieee80211_channel *c = &ic->ic_channels[i]; 1921 1922 if (c->ic_ieee != ieee) 1923 continue; 1924 if (mode == IEEE80211_MODE_AUTO) { 1925 /* ignore turbo channels for autoselect */ 1926 if (IEEE80211_IS_CHAN_TURBO(c)) 1927 continue; 1928 /* 1929 * XXX special-case 11b/g channels so we 1930 * always select the g channel if both 1931 * are present. 1932 * XXX prefer HT to non-HT? 1933 */ 1934 if (!IEEE80211_IS_CHAN_B(c) || 1935 !find11gchannel(ic, i, c->ic_freq)) 1936 return c; 1937 } else { 1938 /* must check VHT specifically */ 1939 if ((mode == IEEE80211_MODE_VHT_5GHZ || 1940 mode == IEEE80211_MODE_VHT_2GHZ) && 1941 !IEEE80211_IS_CHAN_VHT(c)) 1942 continue; 1943 1944 /* 1945 * Must check HT specially - only match on HT, 1946 * not HT+VHT channels 1947 */ 1948 if ((mode == IEEE80211_MODE_11NA || 1949 mode == IEEE80211_MODE_11NG) && 1950 !IEEE80211_IS_CHAN_HT(c)) 1951 continue; 1952 1953 if ((mode == IEEE80211_MODE_11NA || 1954 mode == IEEE80211_MODE_11NG) && 1955 IEEE80211_IS_CHAN_VHT(c)) 1956 continue; 1957 1958 /* Check that the modeflags above match */ 1959 if ((c->ic_flags & modeflags) == modeflags) 1960 return c; 1961 } 1962 } 1963 return NULL; 1964 } 1965 1966 /* 1967 * Check the specified against any desired mode (aka netband). 1968 * This is only used (presently) when operating in hostap mode 1969 * to enforce consistency. 1970 */ 1971 static int 1972 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1973 { 1974 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1975 1976 switch (mode) { 1977 case IEEE80211_MODE_11B: 1978 return (IEEE80211_IS_CHAN_B(c)); 1979 case IEEE80211_MODE_11G: 1980 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1981 case IEEE80211_MODE_11A: 1982 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1983 case IEEE80211_MODE_STURBO_A: 1984 return (IEEE80211_IS_CHAN_STURBO(c)); 1985 case IEEE80211_MODE_11NA: 1986 return (IEEE80211_IS_CHAN_HTA(c)); 1987 case IEEE80211_MODE_11NG: 1988 return (IEEE80211_IS_CHAN_HTG(c)); 1989 } 1990 return 1; 1991 1992 } 1993 1994 /* 1995 * Common code to set the current channel. If the device 1996 * is up and running this may result in an immediate channel 1997 * change or a kick of the state machine. 1998 */ 1999 static int 2000 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 2001 { 2002 struct ieee80211com *ic = vap->iv_ic; 2003 int error; 2004 2005 if (c != IEEE80211_CHAN_ANYC) { 2006 if (IEEE80211_IS_CHAN_RADAR(c)) 2007 return EBUSY; /* XXX better code? */ 2008 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 2009 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 2010 return EINVAL; 2011 if (!check_mode_consistency(c, vap->iv_des_mode)) 2012 return EINVAL; 2013 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 2014 if (IEEE80211_IS_CHAN_NOADHOC(c)) 2015 return EINVAL; 2016 } 2017 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) && 2018 vap->iv_bss->ni_chan == c) 2019 return 0; /* NB: nothing to do */ 2020 } 2021 vap->iv_des_chan = c; 2022 2023 error = 0; 2024 if (vap->iv_opmode == IEEE80211_M_MONITOR && 2025 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 2026 /* 2027 * Monitor mode can switch directly. 2028 */ 2029 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 2030 /* XXX need state machine for other vap's to follow */ 2031 ieee80211_setcurchan(ic, vap->iv_des_chan); 2032 vap->iv_bss->ni_chan = ic->ic_curchan; 2033 } else { 2034 ic->ic_curchan = vap->iv_des_chan; 2035 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 2036 } 2037 } else { 2038 /* 2039 * Need to go through the state machine in case we 2040 * need to reassociate or the like. The state machine 2041 * will pickup the desired channel and avoid scanning. 2042 */ 2043 if (IS_UP_AUTO(vap)) 2044 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2045 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 2046 /* 2047 * When not up+running and a real channel has 2048 * been specified fix the current channel so 2049 * there is immediate feedback; e.g. via ifconfig. 2050 */ 2051 ic->ic_curchan = vap->iv_des_chan; 2052 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 2053 } 2054 } 2055 return error; 2056 } 2057 2058 /* 2059 * Old api for setting the current channel; this is 2060 * deprecated because channel numbers are ambiguous. 2061 */ 2062 static int 2063 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 2064 const struct ieee80211req *ireq) 2065 { 2066 struct ieee80211com *ic = vap->iv_ic; 2067 struct ieee80211_channel *c; 2068 2069 /* XXX 0xffff overflows 16-bit signed */ 2070 if (ireq->i_val == 0 || 2071 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 2072 c = IEEE80211_CHAN_ANYC; 2073 } else { 2074 struct ieee80211_channel *c2; 2075 2076 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 2077 if (c == NULL) { 2078 c = findchannel(ic, ireq->i_val, 2079 IEEE80211_MODE_AUTO); 2080 if (c == NULL) 2081 return EINVAL; 2082 } 2083 2084 /* 2085 * Fine tune channel selection based on desired mode: 2086 * if 11b is requested, find the 11b version of any 2087 * 11g channel returned, 2088 * if static turbo, find the turbo version of any 2089 * 11a channel return, 2090 * if 11na is requested, find the ht version of any 2091 * 11a channel returned, 2092 * if 11ng is requested, find the ht version of any 2093 * 11g channel returned, 2094 * if 11ac is requested, find the 11ac version 2095 * of any 11a/11na channel returned, 2096 * (TBD) 11acg (2GHz VHT) 2097 * otherwise we should be ok with what we've got. 2098 */ 2099 switch (vap->iv_des_mode) { 2100 case IEEE80211_MODE_11B: 2101 if (IEEE80211_IS_CHAN_ANYG(c)) { 2102 c2 = findchannel(ic, ireq->i_val, 2103 IEEE80211_MODE_11B); 2104 /* NB: should not happen, =>'s 11g w/o 11b */ 2105 if (c2 != NULL) 2106 c = c2; 2107 } 2108 break; 2109 case IEEE80211_MODE_TURBO_A: 2110 if (IEEE80211_IS_CHAN_A(c)) { 2111 c2 = findchannel(ic, ireq->i_val, 2112 IEEE80211_MODE_TURBO_A); 2113 if (c2 != NULL) 2114 c = c2; 2115 } 2116 break; 2117 case IEEE80211_MODE_11NA: 2118 if (IEEE80211_IS_CHAN_A(c)) { 2119 c2 = findchannel(ic, ireq->i_val, 2120 IEEE80211_MODE_11NA); 2121 if (c2 != NULL) 2122 c = c2; 2123 } 2124 break; 2125 case IEEE80211_MODE_11NG: 2126 if (IEEE80211_IS_CHAN_ANYG(c)) { 2127 c2 = findchannel(ic, ireq->i_val, 2128 IEEE80211_MODE_11NG); 2129 if (c2 != NULL) 2130 c = c2; 2131 } 2132 break; 2133 case IEEE80211_MODE_VHT_2GHZ: 2134 net80211_printf("%s: TBD\n", __func__); 2135 break; 2136 case IEEE80211_MODE_VHT_5GHZ: 2137 if (IEEE80211_IS_CHAN_A(c)) { 2138 c2 = findchannel(ic, ireq->i_val, 2139 IEEE80211_MODE_VHT_5GHZ); 2140 if (c2 != NULL) 2141 c = c2; 2142 } 2143 break; 2144 default: /* NB: no static turboG */ 2145 break; 2146 } 2147 } 2148 return setcurchan(vap, c); 2149 } 2150 2151 /* 2152 * New/current api for setting the current channel; a complete 2153 * channel description is provide so there is no ambiguity in 2154 * identifying the channel. 2155 */ 2156 static int 2157 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 2158 const struct ieee80211req *ireq) 2159 { 2160 struct ieee80211com *ic = vap->iv_ic; 2161 struct ieee80211_channel chan, *c; 2162 int error; 2163 2164 if (ireq->i_len != sizeof(chan)) 2165 return EINVAL; 2166 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2167 if (error != 0) 2168 return error; 2169 2170 /* XXX 0xffff overflows 16-bit signed */ 2171 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2172 c = IEEE80211_CHAN_ANYC; 2173 } else { 2174 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2175 if (c == NULL) 2176 return EINVAL; 2177 } 2178 return setcurchan(vap, c); 2179 } 2180 2181 static int 2182 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2183 const struct ieee80211req *ireq) 2184 { 2185 struct ieee80211_regdomain_req *reg; 2186 int nchans, error; 2187 2188 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2189 sizeof(struct ieee80211_channel)); 2190 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2191 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2192 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2193 ireq->i_len, nchans); 2194 return EINVAL; 2195 } 2196 reg = (struct ieee80211_regdomain_req *) 2197 IEEE80211_MALLOC(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, 2198 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2199 if (reg == NULL) { 2200 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2201 "%s: no memory, nchans %d\n", __func__, nchans); 2202 return ENOMEM; 2203 } 2204 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2205 if (error == 0) { 2206 /* NB: validate inline channel count against storage size */ 2207 if (reg->chaninfo.ic_nchans != nchans) { 2208 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2209 "%s: chan cnt mismatch, %d != %d\n", __func__, 2210 reg->chaninfo.ic_nchans, nchans); 2211 error = EINVAL; 2212 } else 2213 error = ieee80211_setregdomain(vap, reg); 2214 } 2215 IEEE80211_FREE(reg, M_TEMP); 2216 2217 return (error == 0 ? ENETRESET : error); 2218 } 2219 2220 static int 2221 checkrate(const struct ieee80211_rateset *rs, int rate) 2222 { 2223 int i; 2224 2225 if (rate == IEEE80211_FIXED_RATE_NONE) 2226 return 1; 2227 for (i = 0; i < rs->rs_nrates; i++) 2228 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2229 return 1; 2230 return 0; 2231 } 2232 2233 static int 2234 checkmcs(const struct ieee80211_htrateset *rs, int mcs) 2235 { 2236 int rate_val = IEEE80211_RV(mcs); 2237 int i; 2238 2239 if (mcs == IEEE80211_FIXED_RATE_NONE) 2240 return 1; 2241 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2242 return 0; 2243 for (i = 0; i < rs->rs_nrates; i++) 2244 if (IEEE80211_RV(rs->rs_rates[i]) == rate_val) 2245 return 1; 2246 return 0; 2247 } 2248 2249 static int 2250 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2251 const struct ieee80211req *ireq) 2252 { 2253 struct ieee80211com *ic = vap->iv_ic; 2254 struct ieee80211_roamparams_req *parms; 2255 struct ieee80211_roamparam *src, *dst; 2256 const struct ieee80211_htrateset *rs_ht; 2257 const struct ieee80211_rateset *rs; 2258 int changed, error, mode, is11n, nmodes; 2259 2260 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2261 return EINVAL; 2262 2263 parms = IEEE80211_MALLOC(sizeof(*parms), M_TEMP, 2264 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2265 if (parms == NULL) 2266 return ENOMEM; 2267 2268 error = copyin(ireq->i_data, parms, ireq->i_len); 2269 if (error != 0) 2270 goto fail; 2271 2272 changed = 0; 2273 nmodes = IEEE80211_MODE_MAX; 2274 2275 /* validate parameters and check if anything changed */ 2276 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2277 if (isclr(ic->ic_modecaps, mode)) 2278 continue; 2279 src = &parms->params[mode]; 2280 dst = &vap->iv_roamparms[mode]; 2281 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2282 rs_ht = &ic->ic_sup_htrates; 2283 is11n = (mode == IEEE80211_MODE_11NA || 2284 mode == IEEE80211_MODE_11NG); 2285 /* XXX TODO: 11ac */ 2286 if (src->rate != dst->rate) { 2287 if (!checkrate(rs, src->rate) && 2288 (!is11n || !checkmcs(rs_ht, src->rate))) { 2289 error = EINVAL; 2290 goto fail; 2291 } 2292 changed++; 2293 } 2294 if (src->rssi != dst->rssi) 2295 changed++; 2296 } 2297 if (changed) { 2298 /* 2299 * Copy new parameters in place and notify the 2300 * driver so it can push state to the device. 2301 */ 2302 /* XXX locking? */ 2303 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2304 if (isset(ic->ic_modecaps, mode)) 2305 vap->iv_roamparms[mode] = parms->params[mode]; 2306 } 2307 2308 if (vap->iv_roaming == IEEE80211_ROAMING_DEVICE) 2309 error = ERESTART; 2310 } 2311 2312 fail: IEEE80211_FREE(parms, M_TEMP); 2313 return error; 2314 } 2315 2316 static int 2317 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2318 const struct ieee80211req *ireq) 2319 { 2320 struct ieee80211com *ic = vap->iv_ic; 2321 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2322 struct ieee80211_txparam *src, *dst; 2323 const struct ieee80211_htrateset *rs_ht; 2324 const struct ieee80211_rateset *rs; 2325 int error, mode, changed, is11n, nmodes; 2326 2327 /* NB: accept short requests for backwards compat */ 2328 if (ireq->i_len > sizeof(parms)) 2329 return EINVAL; 2330 error = copyin(ireq->i_data, &parms, ireq->i_len); 2331 if (error != 0) 2332 return error; 2333 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2334 changed = 0; 2335 /* validate parameters and check if anything changed */ 2336 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2337 if (isclr(ic->ic_modecaps, mode)) 2338 continue; 2339 src = &parms.params[mode]; 2340 dst = &vap->iv_txparms[mode]; 2341 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2342 rs_ht = &ic->ic_sup_htrates; 2343 is11n = (mode == IEEE80211_MODE_11NA || 2344 mode == IEEE80211_MODE_11NG); 2345 if (src->ucastrate != dst->ucastrate) { 2346 if (!checkrate(rs, src->ucastrate) && 2347 (!is11n || !checkmcs(rs_ht, src->ucastrate))) 2348 return EINVAL; 2349 changed++; 2350 } 2351 if (src->mcastrate != dst->mcastrate) { 2352 if (!checkrate(rs, src->mcastrate) && 2353 (!is11n || !checkmcs(rs_ht, src->mcastrate))) 2354 return EINVAL; 2355 changed++; 2356 } 2357 if (src->mgmtrate != dst->mgmtrate) { 2358 if (!checkrate(rs, src->mgmtrate) && 2359 (!is11n || !checkmcs(rs_ht, src->mgmtrate))) 2360 return EINVAL; 2361 changed++; 2362 } 2363 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2364 changed++; 2365 } 2366 if (changed) { 2367 /* 2368 * Copy new parameters in place and notify the 2369 * driver so it can push state to the device. 2370 */ 2371 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2372 if (isset(ic->ic_modecaps, mode)) 2373 vap->iv_txparms[mode] = parms.params[mode]; 2374 } 2375 /* XXX could be more intelligent, 2376 e.g. don't reset if setting not being used */ 2377 return ENETRESET; 2378 } 2379 return 0; 2380 } 2381 2382 /* 2383 * Application Information Element support. 2384 */ 2385 static int 2386 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2387 { 2388 struct ieee80211_appie *app = *aie; 2389 struct ieee80211_appie *napp; 2390 int error; 2391 2392 if (ireq->i_len == 0) { /* delete any existing ie */ 2393 if (app != NULL) { 2394 *aie = NULL; /* XXX racey */ 2395 IEEE80211_FREE(app, M_80211_NODE_IE); 2396 } 2397 return 0; 2398 } 2399 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2400 return EINVAL; 2401 /* 2402 * Allocate a new appie structure and copy in the user data. 2403 * When done swap in the new structure. Note that we do not 2404 * guard against users holding a ref to the old structure; 2405 * this must be handled outside this code. 2406 * 2407 * XXX bad bad bad 2408 */ 2409 napp = (struct ieee80211_appie *) IEEE80211_MALLOC( 2410 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, 2411 IEEE80211_M_NOWAIT); 2412 if (napp == NULL) 2413 return ENOMEM; 2414 /* XXX holding ic lock */ 2415 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2416 if (error) { 2417 IEEE80211_FREE(napp, M_80211_NODE_IE); 2418 return error; 2419 } 2420 napp->ie_len = ireq->i_len; 2421 *aie = napp; 2422 if (app != NULL) 2423 IEEE80211_FREE(app, M_80211_NODE_IE); 2424 return 0; 2425 } 2426 2427 static void 2428 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2429 { 2430 /* validate data is present as best we can */ 2431 if (space == 0 || 2+ie[1] > space) 2432 return; 2433 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2434 vap->iv_wpa_ie = ie; 2435 else if (ie[0] == IEEE80211_ELEMID_RSN) 2436 vap->iv_rsn_ie = ie; 2437 } 2438 2439 static int 2440 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2441 const struct ieee80211req *ireq, int fc0) 2442 { 2443 int error; 2444 2445 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2446 2447 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2448 case IEEE80211_FC0_SUBTYPE_BEACON: 2449 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2450 vap->iv_opmode != IEEE80211_M_IBSS) { 2451 error = EINVAL; 2452 break; 2453 } 2454 error = setappie(&vap->iv_appie_beacon, ireq); 2455 if (error == 0) 2456 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2457 break; 2458 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2459 error = setappie(&vap->iv_appie_proberesp, ireq); 2460 break; 2461 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2462 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2463 error = setappie(&vap->iv_appie_assocresp, ireq); 2464 else 2465 error = EINVAL; 2466 break; 2467 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2468 error = setappie(&vap->iv_appie_probereq, ireq); 2469 break; 2470 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2471 if (vap->iv_opmode == IEEE80211_M_STA) 2472 error = setappie(&vap->iv_appie_assocreq, ireq); 2473 else 2474 error = EINVAL; 2475 break; 2476 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2477 error = setappie(&vap->iv_appie_wpa, ireq); 2478 if (error == 0) { 2479 /* 2480 * Must split single blob of data into separate 2481 * WPA and RSN ie's because they go in different 2482 * locations in the mgt frames. 2483 * XXX use IEEE80211_IOC_WPA2 so user code does split 2484 */ 2485 vap->iv_wpa_ie = NULL; 2486 vap->iv_rsn_ie = NULL; 2487 if (vap->iv_appie_wpa != NULL) { 2488 struct ieee80211_appie *appie = 2489 vap->iv_appie_wpa; 2490 uint8_t *data = appie->ie_data; 2491 2492 /* XXX ie length validate is painful, cheat */ 2493 setwparsnie(vap, data, appie->ie_len); 2494 setwparsnie(vap, data + 2 + data[1], 2495 appie->ie_len - (2 + data[1])); 2496 } 2497 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2498 vap->iv_opmode == IEEE80211_M_IBSS) { 2499 /* 2500 * Must rebuild beacon frame as the update 2501 * mechanism doesn't handle WPA/RSN ie's. 2502 * Could extend it but it doesn't normally 2503 * change; this is just to deal with hostapd 2504 * plumbing the ie after the interface is up. 2505 */ 2506 error = ENETRESET; 2507 } 2508 } 2509 break; 2510 default: 2511 error = EINVAL; 2512 break; 2513 } 2514 return error; 2515 } 2516 2517 static int 2518 ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2519 const struct ieee80211req *ireq) 2520 { 2521 struct ieee80211com *ic = vap->iv_ic; 2522 int error; 2523 uint8_t fc0; 2524 2525 fc0 = ireq->i_val & 0xff; 2526 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2527 return EINVAL; 2528 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2529 IEEE80211_LOCK(ic); 2530 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2531 IEEE80211_UNLOCK(ic); 2532 return error; 2533 } 2534 2535 static int 2536 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2537 { 2538 struct ieee80211com *ic = vap->iv_ic; 2539 struct ieee80211_chanswitch_req csr; 2540 struct ieee80211_channel *c; 2541 int error; 2542 2543 if (ireq->i_len != sizeof(csr)) 2544 return EINVAL; 2545 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2546 if (error != 0) 2547 return error; 2548 /* XXX adhoc mode not supported */ 2549 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2550 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2551 return EOPNOTSUPP; 2552 c = ieee80211_find_channel(ic, 2553 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2554 if (c == NULL) 2555 return ENOENT; 2556 IEEE80211_LOCK(ic); 2557 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2558 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2559 else if (csr.csa_count == 0) 2560 ieee80211_csa_cancelswitch(ic); 2561 else 2562 error = EBUSY; 2563 IEEE80211_UNLOCK(ic); 2564 return error; 2565 } 2566 2567 static int 2568 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr) 2569 { 2570 #define IEEE80211_IOC_SCAN_FLAGS \ 2571 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2572 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2573 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2574 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2575 IEEE80211_IOC_SCAN_CHECK) 2576 struct ieee80211com *ic = vap->iv_ic; 2577 int error, i; 2578 2579 /* convert duration */ 2580 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2581 sr->sr_duration = IEEE80211_SCAN_FOREVER; 2582 else { 2583 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2584 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2585 return EINVAL; 2586 sr->sr_duration = msecs_to_ticks(sr->sr_duration); 2587 } 2588 /* convert min/max channel dwell */ 2589 if (sr->sr_mindwell != 0) 2590 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell); 2591 if (sr->sr_maxdwell != 0) 2592 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell); 2593 /* NB: silently reduce ssid count to what is supported */ 2594 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID) 2595 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID; 2596 for (i = 0; i < sr->sr_nssid; i++) 2597 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN) 2598 return EINVAL; 2599 /* cleanse flags just in case, could reject if invalid flags */ 2600 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2601 2602 /* 2603 * If the driver does not support BGSCAN, or BGSCAN is disabled 2604 * do not allow the IEEE80211_SCAN_BGSCAN flag to go through 2605 * to avoid accidentally enabling BGSCANs. 2606 * Also if not STA mode [see ieee80211_vap_setup()]. 2607 */ 2608 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0 || 2609 (vap->iv_flags & IEEE80211_F_BGSCAN) == 0 || 2610 vap->iv_opmode != IEEE80211_M_STA) 2611 sr->sr_flags &= ~IEEE80211_IOC_SCAN_BGSCAN; 2612 2613 /* 2614 * Add an implicit NOPICK if the vap is not marked UP. This 2615 * allows applications to scan without joining a bss (or picking 2616 * a channel and setting up a bss) and without forcing manual 2617 * roaming mode--you just need to mark the parent device UP. 2618 */ 2619 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2620 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2621 2622 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2623 "%s: vap %p iv_state %#x (%s) flags 0x%x%s " 2624 "duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2625 __func__, vap, vap->iv_state, ieee80211_state_name[vap->iv_state], 2626 sr->sr_flags, 2627 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2628 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid); 2629 /* 2630 * If we are in INIT state then the driver has never had a chance 2631 * to setup hardware state to do a scan; we must use the state 2632 * machine to get us up to the SCAN state but once we reach SCAN 2633 * state we then want to use the supplied params. Stash the 2634 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2635 * state machines will recognize this and use the stashed params 2636 * to issue the scan request. 2637 * 2638 * Otherwise just invoke the scan machinery directly. 2639 */ 2640 IEEE80211_LOCK(ic); 2641 if (ic->ic_nrunning == 0) { 2642 IEEE80211_UNLOCK(ic); 2643 return ENXIO; 2644 } 2645 2646 if (vap->iv_state == IEEE80211_S_INIT) { 2647 /* NB: clobbers previous settings */ 2648 vap->iv_scanreq_flags = sr->sr_flags; 2649 vap->iv_scanreq_duration = sr->sr_duration; 2650 vap->iv_scanreq_nssid = sr->sr_nssid; 2651 for (i = 0; i < sr->sr_nssid; i++) { 2652 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len; 2653 memcpy(vap->iv_scanreq_ssid[i].ssid, 2654 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len); 2655 } 2656 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2657 IEEE80211_UNLOCK(ic); 2658 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2659 } else { 2660 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2661 IEEE80211_UNLOCK(ic); 2662 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2663 error = ieee80211_check_scan(vap, sr->sr_flags, 2664 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2665 sr->sr_nssid, 2666 /* NB: cheat, we assume structures are compatible */ 2667 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2668 } else { 2669 error = ieee80211_start_scan(vap, sr->sr_flags, 2670 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2671 sr->sr_nssid, 2672 /* NB: cheat, we assume structures are compatible */ 2673 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2674 } 2675 if (error == 0) 2676 return EINPROGRESS; 2677 } 2678 return 0; 2679 #undef IEEE80211_IOC_SCAN_FLAGS 2680 } 2681 2682 static int 2683 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2684 { 2685 struct ieee80211_scan_req *sr; 2686 int error; 2687 2688 if (ireq->i_len != sizeof(*sr)) 2689 return EINVAL; 2690 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 2691 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2692 if (sr == NULL) 2693 return ENOMEM; 2694 error = copyin(ireq->i_data, sr, sizeof(*sr)); 2695 if (error != 0) 2696 goto bad; 2697 error = ieee80211_scanreq(vap, sr); 2698 bad: 2699 IEEE80211_FREE(sr, M_TEMP); 2700 return error; 2701 } 2702 2703 static int 2704 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2705 { 2706 struct ieee80211_node *ni; 2707 struct ieee80211req_sta_vlan vlan; 2708 int error; 2709 2710 if (ireq->i_len != sizeof(vlan)) 2711 return EINVAL; 2712 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2713 if (error != 0) 2714 return error; 2715 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2716 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2717 vlan.sv_macaddr); 2718 if (ni == NULL) 2719 return ENOENT; 2720 } else 2721 ni = ieee80211_ref_node(vap->iv_bss); 2722 ni->ni_vlan = vlan.sv_vlan; 2723 ieee80211_free_node(ni); 2724 return error; 2725 } 2726 2727 static int 2728 isvap11g(const struct ieee80211vap *vap) 2729 { 2730 const struct ieee80211_node *bss = vap->iv_bss; 2731 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2732 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2733 } 2734 2735 static int 2736 isvapht(const struct ieee80211vap *vap) 2737 { 2738 const struct ieee80211_node *bss = vap->iv_bss; 2739 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2740 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2741 } 2742 2743 /* 2744 * Dummy ioctl set handler so the linker set is defined. 2745 */ 2746 static int 2747 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2748 { 2749 return ENOSYS; 2750 } 2751 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2752 2753 static int 2754 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2755 { 2756 ieee80211_ioctl_setfunc * const *set; 2757 int error; 2758 2759 SET_FOREACH(set, ieee80211_ioctl_setset) { 2760 error = (*set)(vap, ireq); 2761 if (error != ENOSYS) 2762 return error; 2763 } 2764 return EINVAL; 2765 } 2766 2767 static int 2768 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2769 { 2770 struct ieee80211com *ic = vap->iv_ic; 2771 int error; 2772 const struct ieee80211_authenticator *auth; 2773 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2774 char tmpssid[IEEE80211_NWID_LEN]; 2775 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2776 struct ieee80211_key *k; 2777 u_int kid; 2778 uint32_t flags; 2779 2780 error = 0; 2781 switch (ireq->i_type) { 2782 case IEEE80211_IOC_SSID: 2783 if (ireq->i_val != 0 || 2784 ireq->i_len > IEEE80211_NWID_LEN) 2785 return EINVAL; 2786 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2787 if (error) 2788 break; 2789 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2790 vap->iv_des_ssid[0].len = ireq->i_len; 2791 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2792 vap->iv_des_nssid = (ireq->i_len > 0); 2793 error = ENETRESET; 2794 break; 2795 case IEEE80211_IOC_WEP: 2796 switch (ireq->i_val) { 2797 case IEEE80211_WEP_OFF: 2798 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2799 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2800 break; 2801 case IEEE80211_WEP_ON: 2802 vap->iv_flags |= IEEE80211_F_PRIVACY; 2803 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2804 break; 2805 case IEEE80211_WEP_MIXED: 2806 vap->iv_flags |= IEEE80211_F_PRIVACY; 2807 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2808 break; 2809 } 2810 error = ENETRESET; 2811 break; 2812 case IEEE80211_IOC_WEPKEY: 2813 kid = (u_int) ireq->i_val; 2814 if (kid >= IEEE80211_WEP_NKID) 2815 return EINVAL; 2816 k = &vap->iv_nw_keys[kid]; 2817 if (ireq->i_len == 0) { 2818 /* zero-len =>'s delete any existing key */ 2819 (void) ieee80211_crypto_delkey(vap, k); 2820 break; 2821 } 2822 if (ireq->i_len > sizeof(tmpkey)) 2823 return EINVAL; 2824 memset(tmpkey, 0, sizeof(tmpkey)); 2825 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2826 if (error) 2827 break; 2828 ieee80211_key_update_begin(vap); 2829 k->wk_keyix = kid; /* NB: force fixed key id */ 2830 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2831 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2832 k->wk_keylen = ireq->i_len; 2833 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2834 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2835 if (!ieee80211_crypto_setkey(vap, k)) 2836 error = EINVAL; 2837 } else 2838 error = EINVAL; 2839 ieee80211_key_update_end(vap); 2840 break; 2841 case IEEE80211_IOC_WEPTXKEY: 2842 kid = (u_int) ireq->i_val; 2843 if (kid >= IEEE80211_WEP_NKID && 2844 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2845 return EINVAL; 2846 /* 2847 * Firmware devices may need to be told about an explicit 2848 * key index here, versus just inferring it from the 2849 * key set / change. Since we may also need to pause 2850 * things like transmit before the key is updated, 2851 * give the driver a chance to flush things by tying 2852 * into key update begin/end. 2853 */ 2854 ieee80211_key_update_begin(vap); 2855 ieee80211_crypto_set_deftxkey(vap, kid); 2856 ieee80211_key_update_end(vap); 2857 break; 2858 case IEEE80211_IOC_AUTHMODE: 2859 switch (ireq->i_val) { 2860 case IEEE80211_AUTH_WPA: 2861 case IEEE80211_AUTH_8021X: /* 802.1x */ 2862 case IEEE80211_AUTH_OPEN: /* open */ 2863 case IEEE80211_AUTH_SHARED: /* shared-key */ 2864 case IEEE80211_AUTH_AUTO: /* auto */ 2865 auth = ieee80211_authenticator_get(ireq->i_val); 2866 if (auth == NULL) 2867 return EINVAL; 2868 break; 2869 default: 2870 return EINVAL; 2871 } 2872 switch (ireq->i_val) { 2873 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2874 vap->iv_flags |= IEEE80211_F_PRIVACY; 2875 ireq->i_val = IEEE80211_AUTH_8021X; 2876 break; 2877 case IEEE80211_AUTH_OPEN: /* open */ 2878 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2879 break; 2880 case IEEE80211_AUTH_SHARED: /* shared-key */ 2881 case IEEE80211_AUTH_8021X: /* 802.1x */ 2882 vap->iv_flags &= ~IEEE80211_F_WPA; 2883 /* both require a key so mark the PRIVACY capability */ 2884 vap->iv_flags |= IEEE80211_F_PRIVACY; 2885 break; 2886 case IEEE80211_AUTH_AUTO: /* auto */ 2887 vap->iv_flags &= ~IEEE80211_F_WPA; 2888 /* XXX PRIVACY handling? */ 2889 /* XXX what's the right way to do this? */ 2890 break; 2891 } 2892 /* NB: authenticator attach/detach happens on state change */ 2893 vap->iv_bss->ni_authmode = ireq->i_val; 2894 /* XXX mixed/mode/usage? */ 2895 vap->iv_auth = auth; 2896 error = ENETRESET; 2897 break; 2898 case IEEE80211_IOC_CHANNEL: 2899 error = ieee80211_ioctl_setchannel(vap, ireq); 2900 break; 2901 case IEEE80211_IOC_POWERSAVE: 2902 switch (ireq->i_val) { 2903 case IEEE80211_POWERSAVE_OFF: 2904 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2905 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2906 error = ERESTART; 2907 } 2908 break; 2909 case IEEE80211_POWERSAVE_ON: 2910 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2911 error = EOPNOTSUPP; 2912 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2913 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2914 error = ERESTART; 2915 } 2916 break; 2917 default: 2918 error = EINVAL; 2919 break; 2920 } 2921 break; 2922 case IEEE80211_IOC_POWERSAVESLEEP: 2923 if (ireq->i_val < 0) 2924 return EINVAL; 2925 ic->ic_lintval = ireq->i_val; 2926 error = ERESTART; 2927 break; 2928 case IEEE80211_IOC_RTSTHRESHOLD: 2929 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2930 ireq->i_val <= IEEE80211_RTS_MAX)) 2931 return EINVAL; 2932 vap->iv_rtsthreshold = ireq->i_val; 2933 error = ERESTART; 2934 break; 2935 case IEEE80211_IOC_PROTMODE: 2936 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2937 return EINVAL; 2938 vap->iv_protmode = (enum ieee80211_protmode)ireq->i_val; 2939 /* NB: if not operating in 11g this can wait */ 2940 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2941 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2942 error = ERESTART; 2943 /* driver callback for protection mode update */ 2944 ieee80211_vap_update_erp_protmode(vap); 2945 break; 2946 case IEEE80211_IOC_TXPOWER: 2947 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2948 return EOPNOTSUPP; 2949 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2950 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2951 return EINVAL; 2952 ic->ic_txpowlimit = ireq->i_val; 2953 error = ERESTART; 2954 break; 2955 case IEEE80211_IOC_ROAMING: 2956 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2957 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2958 return EINVAL; 2959 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val; 2960 /* XXXX reset? */ 2961 break; 2962 case IEEE80211_IOC_PRIVACY: 2963 if (ireq->i_val) { 2964 /* XXX check for key state? */ 2965 vap->iv_flags |= IEEE80211_F_PRIVACY; 2966 } else 2967 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2968 /* XXX ERESTART? */ 2969 break; 2970 case IEEE80211_IOC_DROPUNENCRYPTED: 2971 if (ireq->i_val) 2972 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2973 else 2974 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2975 /* XXX ERESTART? */ 2976 break; 2977 case IEEE80211_IOC_WPAKEY: 2978 error = ieee80211_ioctl_setkey(vap, ireq); 2979 break; 2980 case IEEE80211_IOC_DELKEY: 2981 error = ieee80211_ioctl_delkey(vap, ireq); 2982 break; 2983 case IEEE80211_IOC_MLME: 2984 error = ieee80211_ioctl_setmlme(vap, ireq); 2985 break; 2986 case IEEE80211_IOC_COUNTERMEASURES: 2987 if (ireq->i_val) { 2988 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2989 return EOPNOTSUPP; 2990 vap->iv_flags |= IEEE80211_F_COUNTERM; 2991 } else 2992 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2993 /* XXX ERESTART? */ 2994 break; 2995 case IEEE80211_IOC_WPA: 2996 if (ireq->i_val > 3) 2997 return EINVAL; 2998 /* XXX verify ciphers available */ 2999 flags = vap->iv_flags & ~IEEE80211_F_WPA; 3000 switch (ireq->i_val) { 3001 case 0: 3002 /* wpa_supplicant calls this to clear the WPA config */ 3003 break; 3004 case 1: 3005 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 3006 return EOPNOTSUPP; 3007 flags |= IEEE80211_F_WPA1; 3008 break; 3009 case 2: 3010 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 3011 return EOPNOTSUPP; 3012 flags |= IEEE80211_F_WPA2; 3013 break; 3014 case 3: 3015 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 3016 return EOPNOTSUPP; 3017 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 3018 break; 3019 default: /* Can't set any -> error */ 3020 return EOPNOTSUPP; 3021 } 3022 vap->iv_flags = flags; 3023 error = ERESTART; /* NB: can change beacon frame */ 3024 break; 3025 case IEEE80211_IOC_WME: 3026 if (ireq->i_val) { 3027 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 3028 return EOPNOTSUPP; 3029 ieee80211_syncflag(vap, IEEE80211_F_WME); 3030 } else 3031 ieee80211_syncflag(vap, -IEEE80211_F_WME); 3032 error = ERESTART; /* NB: can change beacon frame */ 3033 break; 3034 case IEEE80211_IOC_HIDESSID: 3035 if (ireq->i_val) 3036 vap->iv_flags |= IEEE80211_F_HIDESSID; 3037 else 3038 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 3039 error = ERESTART; /* XXX ENETRESET? */ 3040 break; 3041 case IEEE80211_IOC_APBRIDGE: 3042 if (ireq->i_val == 0) 3043 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 3044 else 3045 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 3046 break; 3047 case IEEE80211_IOC_BSSID: 3048 if (ireq->i_len != sizeof(tmpbssid)) 3049 return EINVAL; 3050 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 3051 if (error) 3052 break; 3053 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 3054 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 3055 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 3056 else 3057 vap->iv_flags |= IEEE80211_F_DESBSSID; 3058 error = ENETRESET; 3059 break; 3060 case IEEE80211_IOC_CHANLIST: 3061 error = ieee80211_ioctl_setchanlist(vap, ireq); 3062 break; 3063 #define OLD_IEEE80211_IOC_SCAN_REQ 23 3064 #ifdef OLD_IEEE80211_IOC_SCAN_REQ 3065 case OLD_IEEE80211_IOC_SCAN_REQ: 3066 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 3067 "%s: active scan request\n", __func__); 3068 /* 3069 * If we are in INIT state then the driver has never 3070 * had a chance to setup hardware state to do a scan; 3071 * use the state machine to get us up the SCAN state. 3072 * Otherwise just invoke the scan machinery to start 3073 * a one-time scan. 3074 */ 3075 if (vap->iv_state == IEEE80211_S_INIT) 3076 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 3077 else 3078 (void) ieee80211_start_scan(vap, 3079 IEEE80211_SCAN_ACTIVE | 3080 IEEE80211_SCAN_NOPICK | 3081 IEEE80211_SCAN_ONCE, 3082 IEEE80211_SCAN_FOREVER, 0, 0, 3083 /* XXX use ioctl params */ 3084 vap->iv_des_nssid, vap->iv_des_ssid); 3085 break; 3086 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 3087 case IEEE80211_IOC_SCAN_REQ: 3088 error = ieee80211_ioctl_scanreq(vap, ireq); 3089 break; 3090 case IEEE80211_IOC_SCAN_CANCEL: 3091 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 3092 "%s: cancel scan\n", __func__); 3093 ieee80211_cancel_scan(vap); 3094 break; 3095 case IEEE80211_IOC_HTCONF: 3096 if (ireq->i_val & 1) 3097 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 3098 else 3099 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 3100 if (ireq->i_val & 2) 3101 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 3102 else 3103 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 3104 error = ENETRESET; 3105 break; 3106 case IEEE80211_IOC_ADDMAC: 3107 case IEEE80211_IOC_DELMAC: 3108 error = ieee80211_ioctl_macmac(vap, ireq); 3109 break; 3110 case IEEE80211_IOC_MACCMD: 3111 error = ieee80211_ioctl_setmaccmd(vap, ireq); 3112 break; 3113 case IEEE80211_IOC_STA_STATS: 3114 error = ieee80211_ioctl_setstastats(vap, ireq); 3115 break; 3116 case IEEE80211_IOC_STA_TXPOW: 3117 error = ieee80211_ioctl_setstatxpow(vap, ireq); 3118 break; 3119 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 3120 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 3121 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 3122 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 3123 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 3124 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 3125 error = ieee80211_ioctl_setwmeparam(vap, ireq); 3126 break; 3127 case IEEE80211_IOC_DTIM_PERIOD: 3128 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3129 vap->iv_opmode != IEEE80211_M_MBSS && 3130 vap->iv_opmode != IEEE80211_M_IBSS) 3131 return EINVAL; 3132 if (IEEE80211_DTIM_MIN <= ireq->i_val && 3133 ireq->i_val <= IEEE80211_DTIM_MAX) { 3134 vap->iv_dtim_period = ireq->i_val; 3135 error = ENETRESET; /* requires restart */ 3136 } else 3137 error = EINVAL; 3138 break; 3139 case IEEE80211_IOC_BEACON_INTERVAL: 3140 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3141 vap->iv_opmode != IEEE80211_M_MBSS && 3142 vap->iv_opmode != IEEE80211_M_IBSS) 3143 return EINVAL; 3144 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 3145 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 3146 ic->ic_bintval = ireq->i_val; 3147 error = ENETRESET; /* requires restart */ 3148 } else 3149 error = EINVAL; 3150 break; 3151 case IEEE80211_IOC_PUREG: 3152 if (ireq->i_val) 3153 vap->iv_flags |= IEEE80211_F_PUREG; 3154 else 3155 vap->iv_flags &= ~IEEE80211_F_PUREG; 3156 /* NB: reset only if we're operating on an 11g channel */ 3157 if (isvap11g(vap)) 3158 error = ENETRESET; 3159 break; 3160 case IEEE80211_IOC_QUIET: 3161 vap->iv_quiet= ireq->i_val; 3162 break; 3163 case IEEE80211_IOC_QUIET_COUNT: 3164 vap->iv_quiet_count=ireq->i_val; 3165 break; 3166 case IEEE80211_IOC_QUIET_PERIOD: 3167 vap->iv_quiet_period=ireq->i_val; 3168 break; 3169 case IEEE80211_IOC_QUIET_OFFSET: 3170 vap->iv_quiet_offset=ireq->i_val; 3171 break; 3172 case IEEE80211_IOC_QUIET_DUR: 3173 if(ireq->i_val < vap->iv_bss->ni_intval) 3174 vap->iv_quiet_duration = ireq->i_val; 3175 else 3176 error = EINVAL; 3177 break; 3178 case IEEE80211_IOC_BGSCAN: 3179 if (ireq->i_val) { 3180 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 3181 return EOPNOTSUPP; 3182 vap->iv_flags |= IEEE80211_F_BGSCAN; 3183 } else 3184 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 3185 break; 3186 case IEEE80211_IOC_BGSCAN_IDLE: 3187 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 3188 vap->iv_bgscanidle = ireq->i_val*hz/1000; 3189 else 3190 error = EINVAL; 3191 break; 3192 case IEEE80211_IOC_BGSCAN_INTERVAL: 3193 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 3194 vap->iv_bgscanintvl = ireq->i_val*hz; 3195 else 3196 error = EINVAL; 3197 break; 3198 case IEEE80211_IOC_SCANVALID: 3199 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 3200 vap->iv_scanvalid = ireq->i_val*hz; 3201 else 3202 error = EINVAL; 3203 break; 3204 case IEEE80211_IOC_FRAGTHRESHOLD: 3205 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 3206 ireq->i_val != IEEE80211_FRAG_MAX) 3207 return EOPNOTSUPP; 3208 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 3209 ireq->i_val <= IEEE80211_FRAG_MAX)) 3210 return EINVAL; 3211 vap->iv_fragthreshold = ireq->i_val; 3212 error = ERESTART; 3213 break; 3214 case IEEE80211_IOC_BURST: 3215 if (ireq->i_val) { 3216 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 3217 return EOPNOTSUPP; 3218 ieee80211_syncflag(vap, IEEE80211_F_BURST); 3219 } else 3220 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 3221 error = ERESTART; 3222 break; 3223 case IEEE80211_IOC_BMISSTHRESHOLD: 3224 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 3225 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 3226 return EINVAL; 3227 vap->iv_bmissthreshold = ireq->i_val; 3228 error = ERESTART; 3229 break; 3230 case IEEE80211_IOC_CURCHAN: 3231 error = ieee80211_ioctl_setcurchan(vap, ireq); 3232 break; 3233 case IEEE80211_IOC_SHORTGI: 3234 if (ireq->i_val) { 3235 #define IEEE80211_HTCAP_SHORTGI \ 3236 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 3237 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 3238 return EINVAL; 3239 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 3240 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 3241 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 3242 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 3243 #undef IEEE80211_HTCAP_SHORTGI 3244 } else 3245 vap->iv_flags_ht &= 3246 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 3247 error = ERESTART; 3248 break; 3249 case IEEE80211_IOC_AMPDU: 3250 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 3251 return EINVAL; 3252 if (ireq->i_val & 1) 3253 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 3254 else 3255 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 3256 if (ireq->i_val & 2) 3257 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 3258 else 3259 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 3260 /* NB: reset only if we're operating on an 11n channel */ 3261 if (isvapht(vap)) 3262 error = ERESTART; 3263 break; 3264 case IEEE80211_IOC_AMPDU_LIMIT: 3265 /* XXX TODO: figure out ampdu_limit versus ampdu_rxmax */ 3266 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 3267 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 3268 return EINVAL; 3269 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 3270 vap->iv_ampdu_rxmax = ireq->i_val; 3271 else 3272 vap->iv_ampdu_limit = ireq->i_val; 3273 error = ERESTART; 3274 break; 3275 case IEEE80211_IOC_AMPDU_DENSITY: 3276 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 3277 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 3278 return EINVAL; 3279 vap->iv_ampdu_density = ireq->i_val; 3280 error = ERESTART; 3281 break; 3282 case IEEE80211_IOC_AMSDU: 3283 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 3284 return EINVAL; 3285 if (ireq->i_val & 1) 3286 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 3287 else 3288 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 3289 if (ireq->i_val & 2) 3290 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 3291 else 3292 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 3293 /* NB: reset only if we're operating on an 11n channel */ 3294 if (isvapht(vap)) 3295 error = ERESTART; 3296 break; 3297 case IEEE80211_IOC_AMSDU_LIMIT: 3298 /* XXX validate */ 3299 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 3300 break; 3301 case IEEE80211_IOC_PUREN: 3302 if (ireq->i_val) { 3303 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3304 return EINVAL; 3305 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3306 } else 3307 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3308 /* NB: reset only if we're operating on an 11n channel */ 3309 if (isvapht(vap)) 3310 error = ERESTART; 3311 break; 3312 case IEEE80211_IOC_DOTH: 3313 if (ireq->i_val) { 3314 #if 0 3315 /* XXX no capability */ 3316 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3317 return EOPNOTSUPP; 3318 #endif 3319 vap->iv_flags |= IEEE80211_F_DOTH; 3320 } else 3321 vap->iv_flags &= ~IEEE80211_F_DOTH; 3322 error = ENETRESET; 3323 break; 3324 case IEEE80211_IOC_REGDOMAIN: 3325 error = ieee80211_ioctl_setregdomain(vap, ireq); 3326 break; 3327 case IEEE80211_IOC_ROAM: 3328 error = ieee80211_ioctl_setroam(vap, ireq); 3329 break; 3330 case IEEE80211_IOC_TXPARAMS: 3331 error = ieee80211_ioctl_settxparams(vap, ireq); 3332 break; 3333 case IEEE80211_IOC_HTCOMPAT: 3334 if (ireq->i_val) { 3335 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3336 return EOPNOTSUPP; 3337 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3338 } else 3339 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 3340 /* NB: reset only if we're operating on an 11n channel */ 3341 if (isvapht(vap)) 3342 error = ERESTART; 3343 break; 3344 case IEEE80211_IOC_DWDS: 3345 if (ireq->i_val) { 3346 /* NB: DWDS only makes sense for WDS-capable devices */ 3347 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3348 return EOPNOTSUPP; 3349 /* NB: DWDS is used only with ap+sta vaps */ 3350 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3351 vap->iv_opmode != IEEE80211_M_STA) 3352 return EINVAL; 3353 vap->iv_flags |= IEEE80211_F_DWDS; 3354 if (vap->iv_opmode == IEEE80211_M_STA) 3355 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3356 } else { 3357 vap->iv_flags &= ~IEEE80211_F_DWDS; 3358 if (vap->iv_opmode == IEEE80211_M_STA) 3359 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3360 } 3361 break; 3362 case IEEE80211_IOC_INACTIVITY: 3363 if (ireq->i_val) 3364 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3365 else 3366 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3367 break; 3368 case IEEE80211_IOC_APPIE: 3369 error = ieee80211_ioctl_setappie(vap, ireq); 3370 break; 3371 case IEEE80211_IOC_WPS: 3372 if (ireq->i_val) { 3373 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3374 return EOPNOTSUPP; 3375 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3376 } else 3377 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3378 break; 3379 case IEEE80211_IOC_TSN: 3380 if (ireq->i_val) { 3381 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3382 return EOPNOTSUPP; 3383 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3384 } else 3385 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3386 break; 3387 case IEEE80211_IOC_CHANSWITCH: 3388 error = ieee80211_ioctl_chanswitch(vap, ireq); 3389 break; 3390 case IEEE80211_IOC_DFS: 3391 if (ireq->i_val) { 3392 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3393 return EOPNOTSUPP; 3394 /* NB: DFS requires 11h support */ 3395 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3396 return EINVAL; 3397 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3398 } else 3399 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3400 break; 3401 case IEEE80211_IOC_DOTD: 3402 if (ireq->i_val) 3403 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3404 else 3405 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3406 if (vap->iv_opmode == IEEE80211_M_STA) 3407 error = ENETRESET; 3408 break; 3409 case IEEE80211_IOC_HTPROTMODE: 3410 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3411 return EINVAL; 3412 vap->iv_htprotmode = ireq->i_val ? 3413 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3414 /* NB: if not operating in 11n this can wait */ 3415 if (isvapht(vap)) 3416 error = ERESTART; 3417 /* Notify driver layer of HT protmode changes */ 3418 ieee80211_vap_update_ht_protmode(vap); 3419 break; 3420 case IEEE80211_IOC_STA_VLAN: 3421 error = ieee80211_ioctl_setstavlan(vap, ireq); 3422 break; 3423 case IEEE80211_IOC_SMPS: 3424 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3425 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3426 return EINVAL; 3427 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3428 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3429 return EOPNOTSUPP; 3430 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3431 ireq->i_val; 3432 /* NB: if not operating in 11n this can wait */ 3433 if (isvapht(vap)) 3434 error = ERESTART; 3435 break; 3436 case IEEE80211_IOC_RIFS: 3437 if (ireq->i_val != 0) { 3438 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3439 return EOPNOTSUPP; 3440 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3441 } else 3442 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3443 /* NB: if not operating in 11n this can wait */ 3444 if (isvapht(vap)) 3445 error = ERESTART; 3446 break; 3447 case IEEE80211_IOC_STBC: 3448 /* Check if we can do STBC TX/RX before changing the setting */ 3449 if ((ireq->i_val & 1) && 3450 ((vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) == 0)) 3451 return EOPNOTSUPP; 3452 if ((ireq->i_val & 2) && 3453 ((vap->iv_htcaps & IEEE80211_HTCAP_RXSTBC) == 0)) 3454 return EOPNOTSUPP; 3455 3456 /* TX */ 3457 if (ireq->i_val & 1) 3458 vap->iv_flags_ht |= IEEE80211_FHT_STBC_TX; 3459 else 3460 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_TX; 3461 3462 /* RX */ 3463 if (ireq->i_val & 2) 3464 vap->iv_flags_ht |= IEEE80211_FHT_STBC_RX; 3465 else 3466 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_RX; 3467 3468 /* NB: reset only if we're operating on an 11n channel */ 3469 if (isvapht(vap)) 3470 error = ERESTART; 3471 break; 3472 case IEEE80211_IOC_LDPC: 3473 /* Check if we can do LDPC TX/RX before changing the setting */ 3474 if ((ireq->i_val & 1) && 3475 (vap->iv_htcaps & IEEE80211_HTC_TXLDPC) == 0) 3476 return EOPNOTSUPP; 3477 if ((ireq->i_val & 2) && 3478 (vap->iv_htcaps & IEEE80211_HTCAP_LDPC) == 0) 3479 return EOPNOTSUPP; 3480 3481 /* TX */ 3482 if (ireq->i_val & 1) 3483 vap->iv_flags_ht |= IEEE80211_FHT_LDPC_TX; 3484 else 3485 vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_TX; 3486 3487 /* RX */ 3488 if (ireq->i_val & 2) 3489 vap->iv_flags_ht |= IEEE80211_FHT_LDPC_RX; 3490 else 3491 vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_RX; 3492 3493 /* NB: reset only if we're operating on an 11n channel */ 3494 if (isvapht(vap)) 3495 error = ERESTART; 3496 break; 3497 case IEEE80211_IOC_UAPSD: 3498 if ((vap->iv_caps & IEEE80211_C_UAPSD) == 0) 3499 return EOPNOTSUPP; 3500 if (ireq->i_val == 0) 3501 vap->iv_flags_ext &= ~IEEE80211_FEXT_UAPSD; 3502 else if (ireq->i_val == 1) 3503 vap->iv_flags_ext |= IEEE80211_FEXT_UAPSD; 3504 else 3505 return EINVAL; 3506 break; 3507 3508 /* VHT */ 3509 case IEEE80211_IOC_VHTCONF: 3510 if (ireq->i_val & IEEE80211_FVHT_VHT) 3511 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_VHT); 3512 else 3513 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_VHT); 3514 3515 if (ireq->i_val & IEEE80211_FVHT_USEVHT40) 3516 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT40); 3517 else 3518 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT40); 3519 3520 if (ireq->i_val & IEEE80211_FVHT_USEVHT80) 3521 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80); 3522 else 3523 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80); 3524 3525 if (ireq->i_val & IEEE80211_FVHT_USEVHT160) 3526 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT160); 3527 else 3528 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT160); 3529 3530 if (ireq->i_val & IEEE80211_FVHT_USEVHT80P80) 3531 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80P80); 3532 else 3533 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80P80); 3534 3535 /* Check if we can do STBC TX/RX before changing the setting. */ 3536 if ((ireq->i_val & IEEE80211_FVHT_STBC_TX) && 3537 ((vap->iv_vht_cap.vht_cap_info & IEEE80211_VHTCAP_TXSTBC) == 0)) 3538 return EOPNOTSUPP; 3539 if ((ireq->i_val & IEEE80211_FVHT_STBC_RX) && 3540 ((vap->iv_vht_cap.vht_cap_info & IEEE80211_VHTCAP_RXSTBC_MASK) == 0)) 3541 return EOPNOTSUPP; 3542 3543 /* TX */ 3544 if (ireq->i_val & IEEE80211_FVHT_STBC_TX) 3545 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_STBC_TX); 3546 else 3547 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_STBC_TX); 3548 3549 /* RX */ 3550 if (ireq->i_val & IEEE80211_FVHT_STBC_RX) 3551 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_STBC_RX); 3552 else 3553 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_STBC_RX); 3554 3555 error = ENETRESET; 3556 break; 3557 3558 default: 3559 error = ieee80211_ioctl_setdefault(vap, ireq); 3560 break; 3561 } 3562 /* 3563 * The convention is that ENETRESET means an operation 3564 * requires a complete re-initialization of the device (e.g. 3565 * changing something that affects the association state). 3566 * ERESTART means the request may be handled with only a 3567 * reload of the hardware state. We hand ERESTART requests 3568 * to the iv_reset callback so the driver can decide. If 3569 * a device does not fillin iv_reset then it defaults to one 3570 * that returns ENETRESET. Otherwise a driver may return 3571 * ENETRESET (in which case a full reset will be done) or 3572 * 0 to mean there's no need to do anything (e.g. when the 3573 * change has no effect on the driver/device). 3574 */ 3575 if (error == ERESTART) 3576 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3577 vap->iv_reset(vap, ireq->i_type) : 0; 3578 if (error == ENETRESET) { 3579 /* XXX need to re-think AUTO handling */ 3580 if (IS_UP_AUTO(vap)) 3581 ieee80211_init(vap); 3582 error = 0; 3583 } 3584 return error; 3585 } 3586 3587 int 3588 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3589 { 3590 struct ieee80211vap *vap = ifp->if_softc; 3591 struct ieee80211com *ic = vap->iv_ic; 3592 int error = 0, wait = 0, ic_used; 3593 struct ifreq *ifr; 3594 struct ifaddr *ifa; /* XXX */ 3595 3596 ic_used = (cmd != SIOCSIFMTU && cmd != SIOCG80211STATS); 3597 if (ic_used && (error = ieee80211_com_vincref(vap)) != 0) 3598 return (error); 3599 3600 switch (cmd) { 3601 case SIOCSIFFLAGS: 3602 IEEE80211_LOCK(ic); 3603 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_PROMISC) { 3604 /* 3605 * Enable promiscuous mode when: 3606 * 1. Interface is not a member of bridge, or 3607 * 2. Requested by user, or 3608 * 3. In monitor (or adhoc-demo) mode. 3609 */ 3610 if (ifp->if_bridge == NULL || 3611 (ifp->if_flags & IFF_PPROMISC) != 0 || 3612 vap->iv_opmode == IEEE80211_M_MONITOR || 3613 (vap->iv_opmode == IEEE80211_M_AHDEMO && 3614 (vap->iv_caps & IEEE80211_C_TDMA) == 0)) { 3615 ieee80211_promisc(vap, 3616 ifp->if_flags & IFF_PROMISC); 3617 vap->iv_ifflags ^= IFF_PROMISC; 3618 } 3619 } 3620 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_ALLMULTI) { 3621 ieee80211_allmulti(vap, ifp->if_flags & IFF_ALLMULTI); 3622 vap->iv_ifflags ^= IFF_ALLMULTI; 3623 } 3624 if (ifp->if_flags & IFF_UP) { 3625 /* 3626 * Bring ourself up unless we're already operational. 3627 * If we're the first vap and the parent is not up 3628 * then it will automatically be brought up as a 3629 * side-effect of bringing ourself up. 3630 */ 3631 if (vap->iv_state == IEEE80211_S_INIT) { 3632 if (ic->ic_nrunning == 0) 3633 wait = 1; 3634 ieee80211_start_locked(vap); 3635 } 3636 } else if (ieee80211_vap_ifp_check_is_running(vap)) { 3637 /* 3638 * Stop ourself. If we are the last vap to be 3639 * marked down the parent will also be taken down. 3640 */ 3641 if (ic->ic_nrunning == 1) 3642 wait = 1; 3643 ieee80211_stop_locked(vap); 3644 } 3645 IEEE80211_UNLOCK(ic); 3646 /* Wait for parent ioctl handler if it was queued */ 3647 if (wait) { 3648 ieee80211_waitfor_parent(ic); 3649 ieee80211_vap_sync_mac_address(vap); 3650 } 3651 break; 3652 case SIOCADDMULTI: 3653 case SIOCDELMULTI: 3654 ieee80211_runtask(ic, &ic->ic_mcast_task); 3655 break; 3656 case SIOCSIFMEDIA: 3657 case SIOCGIFMEDIA: 3658 ifr = (struct ifreq *)data; 3659 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3660 break; 3661 case SIOCG80211: 3662 error = ieee80211_ioctl_get80211(vap, cmd, 3663 (struct ieee80211req *) data); 3664 break; 3665 case SIOCS80211: 3666 error = ieee80211_priv_check_vap_manage(cmd, vap, ifp); 3667 if (error == 0) 3668 error = ieee80211_ioctl_set80211(vap, cmd, 3669 (struct ieee80211req *) data); 3670 break; 3671 case SIOCG80211STATS: 3672 ifr = (struct ifreq *)data; 3673 error = copyout(&vap->iv_stats, ifr_data_get_ptr(ifr), 3674 sizeof(vap->iv_stats)); 3675 break; 3676 case SIOCSIFMTU: 3677 ifr = (struct ifreq *)data; 3678 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3679 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3680 error = EINVAL; 3681 else 3682 ifp->if_mtu = ifr->ifr_mtu; 3683 break; 3684 case SIOCSIFADDR: 3685 /* 3686 * XXX Handle this directly so we can suppress if_init calls. 3687 * XXX This should be done in ether_ioctl but for the moment 3688 * XXX there are too many other parts of the system that 3689 * XXX set IFF_UP and so suppress if_init being called when 3690 * XXX it should be. 3691 */ 3692 ifa = (struct ifaddr *) data; 3693 switch (ifa->ifa_addr->sa_family) { 3694 #ifdef INET 3695 case AF_INET: 3696 if ((ifp->if_flags & IFF_UP) == 0) { 3697 ifp->if_flags |= IFF_UP; 3698 ifp->if_init(ifp->if_softc); 3699 } 3700 arp_ifinit(ifp, ifa); 3701 break; 3702 #endif 3703 default: 3704 if ((ifp->if_flags & IFF_UP) == 0) { 3705 ifp->if_flags |= IFF_UP; 3706 ifp->if_init(ifp->if_softc); 3707 } 3708 break; 3709 } 3710 break; 3711 case SIOCSIFLLADDR: 3712 error = ieee80211_priv_check_vap_setmac(cmd, vap, ifp); 3713 if (error == 0) 3714 break; 3715 /* Fallthrough */ 3716 default: 3717 /* 3718 * Pass unknown ioctls first to the driver, and if it 3719 * returns ENOTTY, then to the generic Ethernet handler. 3720 */ 3721 if (ic->ic_ioctl != NULL && 3722 (error = ic->ic_ioctl(ic, cmd, data)) != ENOTTY) 3723 break; 3724 error = ether_ioctl(ifp, cmd, data); 3725 break; 3726 } 3727 3728 if (ic_used) 3729 ieee80211_com_vdecref(vap); 3730 3731 return (error); 3732 } 3733