1 /*- 2 * Copyright (c) 2001 Atsushi Onoe 3 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 /* 31 * IEEE 802.11 ioctl support (FreeBSD-specific) 32 */ 33 34 #include "opt_inet.h" 35 #include "opt_wlan.h" 36 37 #include <sys/endian.h> 38 #include <sys/param.h> 39 #include <sys/kernel.h> 40 #include <sys/malloc.h> 41 #include <sys/priv.h> 42 #include <sys/socket.h> 43 #include <sys/sockio.h> 44 #include <sys/systm.h> 45 46 #include <net/if.h> 47 #include <net/if_var.h> 48 #include <net/if_dl.h> 49 #include <net/if_media.h> 50 #include <net/ethernet.h> 51 52 #ifdef INET 53 #include <netinet/in.h> 54 #include <netinet/if_ether.h> 55 #endif 56 57 #include <net80211/ieee80211_var.h> 58 #include <net80211/ieee80211_ioctl.h> 59 #include <net80211/ieee80211_regdomain.h> 60 #include <net80211/ieee80211_input.h> 61 62 #define IS_UP_AUTO(_vap) \ 63 (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \ 64 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO) 65 66 static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 67 static struct ieee80211_channel *findchannel(struct ieee80211com *, 68 int ieee, int mode); 69 static int ieee80211_scanreq(struct ieee80211vap *, 70 struct ieee80211_scan_req *); 71 72 static int 73 ieee80211_ioctl_getkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 74 { 75 struct ieee80211com *ic = vap->iv_ic; 76 struct ieee80211_node *ni; 77 struct ieee80211req_key ik; 78 struct ieee80211_key *wk; 79 const struct ieee80211_cipher *cip; 80 u_int kid; 81 int error; 82 83 if (ireq->i_len != sizeof(ik)) 84 return EINVAL; 85 error = copyin(ireq->i_data, &ik, sizeof(ik)); 86 if (error) 87 return error; 88 kid = ik.ik_keyix; 89 if (kid == IEEE80211_KEYIX_NONE) { 90 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr); 91 if (ni == NULL) 92 return ENOENT; 93 wk = &ni->ni_ucastkey; 94 } else { 95 if (kid >= IEEE80211_WEP_NKID) 96 return EINVAL; 97 wk = &vap->iv_nw_keys[kid]; 98 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr); 99 ni = NULL; 100 } 101 cip = wk->wk_cipher; 102 ik.ik_type = cip->ic_cipher; 103 ik.ik_keylen = wk->wk_keylen; 104 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 105 if (wk->wk_keyix == vap->iv_def_txkey) 106 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 107 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 108 /* NB: only root can read key data */ 109 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID]; 110 ik.ik_keytsc = wk->wk_keytsc; 111 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 112 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 113 memcpy(ik.ik_keydata+wk->wk_keylen, 114 wk->wk_key + IEEE80211_KEYBUF_SIZE, 115 IEEE80211_MICBUF_SIZE); 116 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 117 } 118 } else { 119 ik.ik_keyrsc = 0; 120 ik.ik_keytsc = 0; 121 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 122 } 123 if (ni != NULL) 124 ieee80211_free_node(ni); 125 return copyout(&ik, ireq->i_data, sizeof(ik)); 126 } 127 128 static int 129 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 130 { 131 struct ieee80211com *ic = vap->iv_ic; 132 133 if (sizeof(ic->ic_chan_active) < ireq->i_len) 134 ireq->i_len = sizeof(ic->ic_chan_active); 135 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); 136 } 137 138 static int 139 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 140 { 141 struct ieee80211com *ic = vap->iv_ic; 142 uint32_t space; 143 144 space = __offsetof(struct ieee80211req_chaninfo, 145 ic_chans[ic->ic_nchans]); 146 if (space > ireq->i_len) 147 space = ireq->i_len; 148 /* XXX assumes compatible layout */ 149 return copyout(&ic->ic_nchans, ireq->i_data, space); 150 } 151 152 static int 153 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap, 154 struct ieee80211req *ireq, int req) 155 { 156 struct ieee80211_node *ni; 157 struct ieee80211req_wpaie2 *wpaie; 158 int error; 159 160 if (ireq->i_len < IEEE80211_ADDR_LEN) 161 return EINVAL; 162 wpaie = IEEE80211_MALLOC(sizeof(*wpaie), M_TEMP, 163 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 164 if (wpaie == NULL) 165 return ENOMEM; 166 error = copyin(ireq->i_data, wpaie->wpa_macaddr, IEEE80211_ADDR_LEN); 167 if (error != 0) 168 goto bad; 169 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie->wpa_macaddr); 170 if (ni == NULL) { 171 error = ENOENT; 172 goto bad; 173 } 174 if (ni->ni_ies.wpa_ie != NULL) { 175 int ielen = ni->ni_ies.wpa_ie[1] + 2; 176 if (ielen > sizeof(wpaie->wpa_ie)) 177 ielen = sizeof(wpaie->wpa_ie); 178 memcpy(wpaie->wpa_ie, ni->ni_ies.wpa_ie, ielen); 179 } 180 if (req == IEEE80211_IOC_WPAIE2) { 181 if (ni->ni_ies.rsn_ie != NULL) { 182 int ielen = ni->ni_ies.rsn_ie[1] + 2; 183 if (ielen > sizeof(wpaie->rsn_ie)) 184 ielen = sizeof(wpaie->rsn_ie); 185 memcpy(wpaie->rsn_ie, ni->ni_ies.rsn_ie, ielen); 186 } 187 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2)) 188 ireq->i_len = sizeof(struct ieee80211req_wpaie2); 189 } else { 190 /* compatibility op, may overwrite wpa ie */ 191 /* XXX check ic_flags? */ 192 if (ni->ni_ies.rsn_ie != NULL) { 193 int ielen = ni->ni_ies.rsn_ie[1] + 2; 194 if (ielen > sizeof(wpaie->wpa_ie)) 195 ielen = sizeof(wpaie->wpa_ie); 196 memcpy(wpaie->wpa_ie, ni->ni_ies.rsn_ie, ielen); 197 } 198 if (ireq->i_len > sizeof(struct ieee80211req_wpaie)) 199 ireq->i_len = sizeof(struct ieee80211req_wpaie); 200 } 201 ieee80211_free_node(ni); 202 error = copyout(wpaie, ireq->i_data, ireq->i_len); 203 bad: 204 IEEE80211_FREE(wpaie, M_TEMP); 205 return error; 206 } 207 208 static int 209 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 210 { 211 struct ieee80211_node *ni; 212 uint8_t macaddr[IEEE80211_ADDR_LEN]; 213 const size_t off = __offsetof(struct ieee80211req_sta_stats, is_stats); 214 int error; 215 216 if (ireq->i_len < off) 217 return EINVAL; 218 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 219 if (error != 0) 220 return error; 221 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 222 if (ni == NULL) 223 return ENOENT; 224 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 225 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 226 /* NB: copy out only the statistics */ 227 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off, 228 ireq->i_len - off); 229 ieee80211_free_node(ni); 230 return error; 231 } 232 233 struct scanreq { 234 struct ieee80211req_scan_result *sr; 235 size_t space; 236 }; 237 238 static size_t 239 scan_space(const struct ieee80211_scan_entry *se, int *ielen) 240 { 241 size_t len; 242 243 *ielen = se->se_ies.len; 244 /* 245 * NB: ie's can be no more than 255 bytes and the max 802.11 246 * packet is <3Kbytes so we are sure this doesn't overflow 247 * 16-bits; if this is a concern we can drop the ie's. 248 */ 249 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + 250 se->se_meshid[1] + *ielen; 251 return roundup(len, sizeof(uint32_t)); 252 } 253 254 static void 255 get_scan_space(void *arg, const struct ieee80211_scan_entry *se) 256 { 257 struct scanreq *req = arg; 258 int ielen; 259 260 req->space += scan_space(se, &ielen); 261 } 262 263 static void 264 get_scan_result(void *arg, const struct ieee80211_scan_entry *se) 265 { 266 struct scanreq *req = arg; 267 struct ieee80211req_scan_result *sr; 268 int ielen, len, nr, nxr; 269 uint8_t *cp; 270 271 len = scan_space(se, &ielen); 272 if (len > req->space) 273 return; 274 275 sr = req->sr; 276 KASSERT(len <= 65535 && ielen <= 65535, 277 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen)); 278 sr->isr_len = len; 279 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result); 280 sr->isr_ie_len = ielen; 281 sr->isr_freq = se->se_chan->ic_freq; 282 sr->isr_flags = se->se_chan->ic_flags; 283 sr->isr_rssi = se->se_rssi; 284 sr->isr_noise = se->se_noise; 285 sr->isr_intval = se->se_intval; 286 sr->isr_capinfo = se->se_capinfo; 287 sr->isr_erp = se->se_erp; 288 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid); 289 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE); 290 memcpy(sr->isr_rates, se->se_rates+2, nr); 291 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr); 292 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr); 293 sr->isr_nrates = nr + nxr; 294 295 /* copy SSID */ 296 sr->isr_ssid_len = se->se_ssid[1]; 297 cp = ((uint8_t *)sr) + sr->isr_ie_off; 298 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len); 299 300 /* copy mesh id */ 301 cp += sr->isr_ssid_len; 302 sr->isr_meshid_len = se->se_meshid[1]; 303 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len); 304 cp += sr->isr_meshid_len; 305 306 if (ielen) 307 memcpy(cp, se->se_ies.data, ielen); 308 309 req->space -= len; 310 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len); 311 } 312 313 static int 314 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap, 315 struct ieee80211req *ireq) 316 { 317 struct scanreq req; 318 int error; 319 320 if (ireq->i_len < sizeof(struct scanreq)) 321 return EFAULT; 322 323 error = 0; 324 req.space = 0; 325 ieee80211_scan_iterate(vap, get_scan_space, &req); 326 if (req.space > ireq->i_len) 327 req.space = ireq->i_len; 328 if (req.space > 0) { 329 uint32_t space; 330 void *p; 331 332 space = req.space; 333 /* XXX M_WAITOK after driver lock released */ 334 p = IEEE80211_MALLOC(space, M_TEMP, 335 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 336 if (p == NULL) 337 return ENOMEM; 338 req.sr = p; 339 ieee80211_scan_iterate(vap, get_scan_result, &req); 340 ireq->i_len = space - req.space; 341 error = copyout(p, ireq->i_data, ireq->i_len); 342 IEEE80211_FREE(p, M_TEMP); 343 } else 344 ireq->i_len = 0; 345 346 return error; 347 } 348 349 struct stainforeq { 350 struct ieee80211req_sta_info *si; 351 size_t space; 352 }; 353 354 static size_t 355 sta_space(const struct ieee80211_node *ni, size_t *ielen) 356 { 357 *ielen = ni->ni_ies.len; 358 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, 359 sizeof(uint32_t)); 360 } 361 362 static void 363 get_sta_space(void *arg, struct ieee80211_node *ni) 364 { 365 struct stainforeq *req = arg; 366 size_t ielen; 367 368 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP && 369 ni->ni_associd == 0) /* only associated stations */ 370 return; 371 req->space += sta_space(ni, &ielen); 372 } 373 374 static void 375 get_sta_info(void *arg, struct ieee80211_node *ni) 376 { 377 struct stainforeq *req = arg; 378 struct ieee80211vap *vap = ni->ni_vap; 379 struct ieee80211req_sta_info *si; 380 size_t ielen, len; 381 uint8_t *cp; 382 383 if (vap->iv_opmode == IEEE80211_M_HOSTAP && 384 ni->ni_associd == 0) /* only associated stations */ 385 return; 386 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 387 return; 388 len = sta_space(ni, &ielen); 389 if (len > req->space) 390 return; 391 si = req->si; 392 si->isi_len = len; 393 si->isi_ie_off = sizeof(struct ieee80211req_sta_info); 394 si->isi_ie_len = ielen; 395 si->isi_freq = ni->ni_chan->ic_freq; 396 si->isi_flags = ni->ni_chan->ic_flags; 397 si->isi_state = ni->ni_flags; 398 si->isi_authmode = ni->ni_authmode; 399 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise); 400 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo); 401 si->isi_capinfo = ni->ni_capinfo; 402 si->isi_erp = ni->ni_erp; 403 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 404 si->isi_nrates = ni->ni_rates.rs_nrates; 405 if (si->isi_nrates > 15) 406 si->isi_nrates = 15; 407 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 408 si->isi_txrate = ni->ni_txrate; 409 if (si->isi_txrate & IEEE80211_RATE_MCS) { 410 const struct ieee80211_mcs_rates *mcs = 411 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS]; 412 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) { 413 if (ni->ni_flags & IEEE80211_NODE_SGI40) 414 si->isi_txmbps = mcs->ht40_rate_800ns; 415 else 416 si->isi_txmbps = mcs->ht40_rate_400ns; 417 } else { 418 if (ni->ni_flags & IEEE80211_NODE_SGI20) 419 si->isi_txmbps = mcs->ht20_rate_800ns; 420 else 421 si->isi_txmbps = mcs->ht20_rate_400ns; 422 } 423 } else 424 si->isi_txmbps = si->isi_txrate; 425 si->isi_associd = ni->ni_associd; 426 si->isi_txpower = ni->ni_txpower; 427 si->isi_vlan = ni->ni_vlan; 428 if (ni->ni_flags & IEEE80211_NODE_QOS) { 429 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 430 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 431 } else { 432 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID]; 433 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID]; 434 } 435 /* NB: leave all cases in case we relax ni_associd == 0 check */ 436 if (ieee80211_node_is_authorized(ni)) 437 si->isi_inact = vap->iv_inact_run; 438 else if (ni->ni_associd != 0 || 439 (vap->iv_opmode == IEEE80211_M_WDS && 440 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY))) 441 si->isi_inact = vap->iv_inact_auth; 442 else 443 si->isi_inact = vap->iv_inact_init; 444 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 445 si->isi_localid = ni->ni_mllid; 446 si->isi_peerid = ni->ni_mlpid; 447 si->isi_peerstate = ni->ni_mlstate; 448 449 if (ielen) { 450 cp = ((uint8_t *)si) + si->isi_ie_off; 451 memcpy(cp, ni->ni_ies.data, ielen); 452 } 453 454 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len); 455 req->space -= len; 456 } 457 458 static int 459 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq, 460 struct ieee80211_node *ni, size_t off) 461 { 462 struct ieee80211com *ic = vap->iv_ic; 463 struct stainforeq req; 464 size_t space; 465 void *p; 466 int error; 467 468 error = 0; 469 req.space = 0; 470 if (ni == NULL) { 471 ieee80211_iterate_nodes_vap(&ic->ic_sta, vap, get_sta_space, 472 &req); 473 } else 474 get_sta_space(&req, ni); 475 if (req.space > ireq->i_len) 476 req.space = ireq->i_len; 477 if (req.space > 0) { 478 space = req.space; 479 /* XXX M_WAITOK after driver lock released */ 480 p = IEEE80211_MALLOC(space, M_TEMP, 481 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 482 if (p == NULL) { 483 error = ENOMEM; 484 goto bad; 485 } 486 req.si = p; 487 if (ni == NULL) { 488 ieee80211_iterate_nodes_vap(&ic->ic_sta, vap, 489 get_sta_info, &req); 490 } else 491 get_sta_info(&req, ni); 492 ireq->i_len = space - req.space; 493 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len); 494 IEEE80211_FREE(p, M_TEMP); 495 } else 496 ireq->i_len = 0; 497 bad: 498 if (ni != NULL) 499 ieee80211_free_node(ni); 500 return error; 501 } 502 503 static int 504 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 505 { 506 uint8_t macaddr[IEEE80211_ADDR_LEN]; 507 const size_t off = __offsetof(struct ieee80211req_sta_req, info); 508 struct ieee80211_node *ni; 509 int error; 510 511 if (ireq->i_len < sizeof(struct ieee80211req_sta_req)) 512 return EFAULT; 513 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 514 if (error != 0) 515 return error; 516 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) { 517 ni = NULL; 518 } else { 519 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 520 if (ni == NULL) 521 return ENOENT; 522 } 523 return getstainfo_common(vap, ireq, ni, off); 524 } 525 526 static int 527 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 528 { 529 struct ieee80211_node *ni; 530 struct ieee80211req_sta_txpow txpow; 531 int error; 532 533 if (ireq->i_len != sizeof(txpow)) 534 return EINVAL; 535 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 536 if (error != 0) 537 return error; 538 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 539 if (ni == NULL) 540 return ENOENT; 541 txpow.it_txpow = ni->ni_txpower; 542 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 543 ieee80211_free_node(ni); 544 return error; 545 } 546 547 static int 548 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 549 { 550 struct ieee80211com *ic = vap->iv_ic; 551 struct ieee80211_wme_state *wme = &ic->ic_wme; 552 struct wmeParams *wmep; 553 int ac; 554 555 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 556 return EINVAL; 557 558 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 559 if (ac >= WME_NUM_AC) 560 ac = WME_AC_BE; 561 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 562 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 563 else 564 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 565 switch (ireq->i_type) { 566 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 567 ireq->i_val = wmep->wmep_logcwmin; 568 break; 569 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 570 ireq->i_val = wmep->wmep_logcwmax; 571 break; 572 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 573 ireq->i_val = wmep->wmep_aifsn; 574 break; 575 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 576 ireq->i_val = wmep->wmep_txopLimit; 577 break; 578 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 579 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 580 ireq->i_val = wmep->wmep_acm; 581 break; 582 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 583 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 584 ireq->i_val = !wmep->wmep_noackPolicy; 585 break; 586 } 587 return 0; 588 } 589 590 static int 591 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 592 { 593 const struct ieee80211_aclator *acl = vap->iv_acl; 594 595 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq)); 596 } 597 598 static int 599 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq) 600 { 601 struct ieee80211com *ic = vap->iv_ic; 602 struct ieee80211_channel *c; 603 604 if (ireq->i_len != sizeof(struct ieee80211_channel)) 605 return EINVAL; 606 /* 607 * vap's may have different operating channels when HT is 608 * in use. When in RUN state report the vap-specific channel. 609 * Otherwise return curchan. 610 */ 611 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 612 c = vap->iv_bss->ni_chan; 613 else 614 c = ic->ic_curchan; 615 return copyout(c, ireq->i_data, sizeof(*c)); 616 } 617 618 static int 619 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq) 620 { 621 if (aie == NULL) 622 return EINVAL; 623 /* NB: truncate, caller can check length */ 624 if (ireq->i_len > aie->ie_len) 625 ireq->i_len = aie->ie_len; 626 return copyout(aie->ie_data, ireq->i_data, ireq->i_len); 627 } 628 629 static int 630 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq) 631 { 632 uint8_t fc0; 633 634 fc0 = ireq->i_val & 0xff; 635 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 636 return EINVAL; 637 /* NB: could check iv_opmode and reject but hardly worth the effort */ 638 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 639 case IEEE80211_FC0_SUBTYPE_BEACON: 640 return getappie(vap->iv_appie_beacon, ireq); 641 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 642 return getappie(vap->iv_appie_proberesp, ireq); 643 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 644 return getappie(vap->iv_appie_assocresp, ireq); 645 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 646 return getappie(vap->iv_appie_probereq, ireq); 647 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 648 return getappie(vap->iv_appie_assocreq, ireq); 649 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP: 650 return getappie(vap->iv_appie_wpa, ireq); 651 } 652 return EINVAL; 653 } 654 655 static int 656 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap, 657 const struct ieee80211req *ireq) 658 { 659 struct ieee80211com *ic = vap->iv_ic; 660 661 if (ireq->i_len != sizeof(ic->ic_regdomain)) 662 return EINVAL; 663 return copyout(&ic->ic_regdomain, ireq->i_data, 664 sizeof(ic->ic_regdomain)); 665 } 666 667 static int 668 ieee80211_ioctl_getroam(struct ieee80211vap *vap, 669 const struct ieee80211req *ireq) 670 { 671 size_t len = ireq->i_len; 672 /* NB: accept short requests for backwards compat */ 673 if (len > sizeof(vap->iv_roamparms)) 674 len = sizeof(vap->iv_roamparms); 675 return copyout(vap->iv_roamparms, ireq->i_data, len); 676 } 677 678 static int 679 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap, 680 const struct ieee80211req *ireq) 681 { 682 size_t len = ireq->i_len; 683 /* NB: accept short requests for backwards compat */ 684 if (len > sizeof(vap->iv_txparms)) 685 len = sizeof(vap->iv_txparms); 686 return copyout(vap->iv_txparms, ireq->i_data, len); 687 } 688 689 static int 690 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic, 691 const struct ieee80211req *ireq) 692 { 693 struct ieee80211_devcaps_req *dc; 694 struct ieee80211req_chaninfo *ci; 695 int maxchans, error; 696 697 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) / 698 sizeof(struct ieee80211_channel)); 699 /* NB: require 1 so we know ic_nchans is accessible */ 700 if (maxchans < 1) 701 return EINVAL; 702 /* constrain max request size, 2K channels is ~24Kbytes */ 703 if (maxchans > 2048) 704 maxchans = 2048; 705 dc = (struct ieee80211_devcaps_req *) 706 IEEE80211_MALLOC(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, 707 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 708 if (dc == NULL) 709 return ENOMEM; 710 dc->dc_drivercaps = ic->ic_caps; 711 dc->dc_cryptocaps = ic->ic_cryptocaps; 712 dc->dc_htcaps = ic->ic_htcaps; 713 dc->dc_vhtcaps = ic->ic_vhtcaps; 714 ci = &dc->dc_chaninfo; 715 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans); 716 KASSERT(ci->ic_nchans <= maxchans, 717 ("nchans %d maxchans %d", ci->ic_nchans, maxchans)); 718 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans); 719 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc)); 720 IEEE80211_FREE(dc, M_TEMP); 721 return error; 722 } 723 724 static int 725 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 726 { 727 struct ieee80211_node *ni; 728 struct ieee80211req_sta_vlan vlan; 729 int error; 730 731 if (ireq->i_len != sizeof(vlan)) 732 return EINVAL; 733 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 734 if (error != 0) 735 return error; 736 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 737 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 738 vlan.sv_macaddr); 739 if (ni == NULL) 740 return ENOENT; 741 } else 742 ni = ieee80211_ref_node(vap->iv_bss); 743 vlan.sv_vlan = ni->ni_vlan; 744 error = copyout(&vlan, ireq->i_data, sizeof(vlan)); 745 ieee80211_free_node(ni); 746 return error; 747 } 748 749 /* 750 * Dummy ioctl get handler so the linker set is defined. 751 */ 752 static int 753 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq) 754 { 755 return ENOSYS; 756 } 757 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get); 758 759 static int 760 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 761 { 762 ieee80211_ioctl_getfunc * const *get; 763 int error; 764 765 SET_FOREACH(get, ieee80211_ioctl_getset) { 766 error = (*get)(vap, ireq); 767 if (error != ENOSYS) 768 return error; 769 } 770 return EINVAL; 771 } 772 773 static int 774 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd, 775 struct ieee80211req *ireq) 776 { 777 #define MS(_v, _f) (((_v) & _f) >> _f##_S) 778 struct ieee80211com *ic = vap->iv_ic; 779 u_int kid, len; 780 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 781 char tmpssid[IEEE80211_NWID_LEN]; 782 int error = 0; 783 784 switch (ireq->i_type) { 785 case IEEE80211_IOC_SSID: 786 switch (vap->iv_state) { 787 case IEEE80211_S_INIT: 788 case IEEE80211_S_SCAN: 789 ireq->i_len = vap->iv_des_ssid[0].len; 790 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); 791 break; 792 default: 793 ireq->i_len = vap->iv_bss->ni_esslen; 794 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); 795 break; 796 } 797 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 798 break; 799 case IEEE80211_IOC_NUMSSIDS: 800 ireq->i_val = 1; 801 break; 802 case IEEE80211_IOC_WEP: 803 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 804 ireq->i_val = IEEE80211_WEP_OFF; 805 else if (vap->iv_flags & IEEE80211_F_DROPUNENC) 806 ireq->i_val = IEEE80211_WEP_ON; 807 else 808 ireq->i_val = IEEE80211_WEP_MIXED; 809 break; 810 case IEEE80211_IOC_WEPKEY: 811 kid = (u_int) ireq->i_val; 812 if (kid >= IEEE80211_WEP_NKID) 813 return EINVAL; 814 len = (u_int) vap->iv_nw_keys[kid].wk_keylen; 815 /* NB: only root can read WEP keys */ 816 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 817 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); 818 } else { 819 bzero(tmpkey, len); 820 } 821 ireq->i_len = len; 822 error = copyout(tmpkey, ireq->i_data, len); 823 break; 824 case IEEE80211_IOC_NUMWEPKEYS: 825 ireq->i_val = IEEE80211_WEP_NKID; 826 break; 827 case IEEE80211_IOC_WEPTXKEY: 828 ireq->i_val = vap->iv_def_txkey; 829 break; 830 case IEEE80211_IOC_AUTHMODE: 831 if (vap->iv_flags & IEEE80211_F_WPA) 832 ireq->i_val = IEEE80211_AUTH_WPA; 833 else 834 ireq->i_val = vap->iv_bss->ni_authmode; 835 break; 836 case IEEE80211_IOC_CHANNEL: 837 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 838 break; 839 case IEEE80211_IOC_POWERSAVE: 840 if (vap->iv_flags & IEEE80211_F_PMGTON) 841 ireq->i_val = IEEE80211_POWERSAVE_ON; 842 else 843 ireq->i_val = IEEE80211_POWERSAVE_OFF; 844 break; 845 case IEEE80211_IOC_POWERSAVESLEEP: 846 ireq->i_val = ic->ic_lintval; 847 break; 848 case IEEE80211_IOC_RTSTHRESHOLD: 849 ireq->i_val = vap->iv_rtsthreshold; 850 break; 851 case IEEE80211_IOC_PROTMODE: 852 ireq->i_val = ic->ic_protmode; 853 break; 854 case IEEE80211_IOC_TXPOWER: 855 /* 856 * Tx power limit is the min of max regulatory 857 * power, any user-set limit, and the max the 858 * radio can do. 859 * 860 * TODO: methodize this 861 */ 862 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; 863 if (ireq->i_val > ic->ic_txpowlimit) 864 ireq->i_val = ic->ic_txpowlimit; 865 if (ireq->i_val > ic->ic_curchan->ic_maxpower) 866 ireq->i_val = ic->ic_curchan->ic_maxpower; 867 break; 868 case IEEE80211_IOC_WPA: 869 switch (vap->iv_flags & IEEE80211_F_WPA) { 870 case IEEE80211_F_WPA1: 871 ireq->i_val = 1; 872 break; 873 case IEEE80211_F_WPA2: 874 ireq->i_val = 2; 875 break; 876 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 877 ireq->i_val = 3; 878 break; 879 default: 880 ireq->i_val = 0; 881 break; 882 } 883 break; 884 case IEEE80211_IOC_CHANLIST: 885 error = ieee80211_ioctl_getchanlist(vap, ireq); 886 break; 887 case IEEE80211_IOC_ROAMING: 888 ireq->i_val = vap->iv_roaming; 889 break; 890 case IEEE80211_IOC_PRIVACY: 891 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; 892 break; 893 case IEEE80211_IOC_DROPUNENCRYPTED: 894 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; 895 break; 896 case IEEE80211_IOC_COUNTERMEASURES: 897 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; 898 break; 899 case IEEE80211_IOC_WME: 900 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; 901 break; 902 case IEEE80211_IOC_HIDESSID: 903 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; 904 break; 905 case IEEE80211_IOC_APBRIDGE: 906 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; 907 break; 908 case IEEE80211_IOC_WPAKEY: 909 error = ieee80211_ioctl_getkey(vap, ireq); 910 break; 911 case IEEE80211_IOC_CHANINFO: 912 error = ieee80211_ioctl_getchaninfo(vap, ireq); 913 break; 914 case IEEE80211_IOC_BSSID: 915 if (ireq->i_len != IEEE80211_ADDR_LEN) 916 return EINVAL; 917 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) { 918 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ? 919 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid, 920 ireq->i_data, ireq->i_len); 921 } else 922 error = copyout(vap->iv_des_bssid, ireq->i_data, 923 ireq->i_len); 924 break; 925 case IEEE80211_IOC_WPAIE: 926 case IEEE80211_IOC_WPAIE2: 927 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 928 break; 929 case IEEE80211_IOC_SCAN_RESULTS: 930 error = ieee80211_ioctl_getscanresults(vap, ireq); 931 break; 932 case IEEE80211_IOC_STA_STATS: 933 error = ieee80211_ioctl_getstastats(vap, ireq); 934 break; 935 case IEEE80211_IOC_TXPOWMAX: 936 ireq->i_val = vap->iv_bss->ni_txpower; 937 break; 938 case IEEE80211_IOC_STA_TXPOW: 939 error = ieee80211_ioctl_getstatxpow(vap, ireq); 940 break; 941 case IEEE80211_IOC_STA_INFO: 942 error = ieee80211_ioctl_getstainfo(vap, ireq); 943 break; 944 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 945 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 946 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 947 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 948 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 949 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 950 error = ieee80211_ioctl_getwmeparam(vap, ireq); 951 break; 952 case IEEE80211_IOC_DTIM_PERIOD: 953 ireq->i_val = vap->iv_dtim_period; 954 break; 955 case IEEE80211_IOC_BEACON_INTERVAL: 956 /* NB: get from ic_bss for station mode */ 957 ireq->i_val = vap->iv_bss->ni_intval; 958 break; 959 case IEEE80211_IOC_PUREG: 960 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; 961 break; 962 case IEEE80211_IOC_QUIET: 963 ireq->i_val = vap->iv_quiet; 964 break; 965 case IEEE80211_IOC_QUIET_COUNT: 966 ireq->i_val = vap->iv_quiet_count; 967 break; 968 case IEEE80211_IOC_QUIET_PERIOD: 969 ireq->i_val = vap->iv_quiet_period; 970 break; 971 case IEEE80211_IOC_QUIET_DUR: 972 ireq->i_val = vap->iv_quiet_duration; 973 break; 974 case IEEE80211_IOC_QUIET_OFFSET: 975 ireq->i_val = vap->iv_quiet_offset; 976 break; 977 case IEEE80211_IOC_BGSCAN: 978 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 979 break; 980 case IEEE80211_IOC_BGSCAN_IDLE: 981 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 982 break; 983 case IEEE80211_IOC_BGSCAN_INTERVAL: 984 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 985 break; 986 case IEEE80211_IOC_SCANVALID: 987 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 988 break; 989 case IEEE80211_IOC_FRAGTHRESHOLD: 990 ireq->i_val = vap->iv_fragthreshold; 991 break; 992 case IEEE80211_IOC_MACCMD: 993 error = ieee80211_ioctl_getmaccmd(vap, ireq); 994 break; 995 case IEEE80211_IOC_BURST: 996 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 997 break; 998 case IEEE80211_IOC_BMISSTHRESHOLD: 999 ireq->i_val = vap->iv_bmissthreshold; 1000 break; 1001 case IEEE80211_IOC_CURCHAN: 1002 error = ieee80211_ioctl_getcurchan(vap, ireq); 1003 break; 1004 case IEEE80211_IOC_SHORTGI: 1005 ireq->i_val = 0; 1006 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) 1007 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 1008 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) 1009 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 1010 break; 1011 case IEEE80211_IOC_AMPDU: 1012 ireq->i_val = 0; 1013 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) 1014 ireq->i_val |= 1; 1015 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) 1016 ireq->i_val |= 2; 1017 break; 1018 case IEEE80211_IOC_AMPDU_LIMIT: 1019 /* XXX TODO: make this a per-node thing; and leave this as global */ 1020 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1021 ireq->i_val = vap->iv_ampdu_rxmax; 1022 else if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 1023 /* 1024 * XXX TODO: this isn't completely correct, as we've 1025 * negotiated the higher of the two. 1026 */ 1027 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1028 IEEE80211_HTCAP_MAXRXAMPDU); 1029 else 1030 ireq->i_val = vap->iv_ampdu_limit; 1031 break; 1032 case IEEE80211_IOC_AMPDU_DENSITY: 1033 /* XXX TODO: make this a per-node thing; and leave this as global */ 1034 if (vap->iv_opmode == IEEE80211_M_STA && 1035 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1036 /* 1037 * XXX TODO: this isn't completely correct, as we've 1038 * negotiated the higher of the two. 1039 */ 1040 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1041 IEEE80211_HTCAP_MPDUDENSITY); 1042 else 1043 ireq->i_val = vap->iv_ampdu_density; 1044 break; 1045 case IEEE80211_IOC_AMSDU: 1046 ireq->i_val = 0; 1047 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) 1048 ireq->i_val |= 1; 1049 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) 1050 ireq->i_val |= 2; 1051 break; 1052 case IEEE80211_IOC_AMSDU_LIMIT: 1053 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1054 break; 1055 case IEEE80211_IOC_PUREN: 1056 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; 1057 break; 1058 case IEEE80211_IOC_DOTH: 1059 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1060 break; 1061 case IEEE80211_IOC_REGDOMAIN: 1062 error = ieee80211_ioctl_getregdomain(vap, ireq); 1063 break; 1064 case IEEE80211_IOC_ROAM: 1065 error = ieee80211_ioctl_getroam(vap, ireq); 1066 break; 1067 case IEEE80211_IOC_TXPARAMS: 1068 error = ieee80211_ioctl_gettxparams(vap, ireq); 1069 break; 1070 case IEEE80211_IOC_HTCOMPAT: 1071 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; 1072 break; 1073 case IEEE80211_IOC_DWDS: 1074 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1075 break; 1076 case IEEE80211_IOC_INACTIVITY: 1077 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1078 break; 1079 case IEEE80211_IOC_APPIE: 1080 error = ieee80211_ioctl_getappie(vap, ireq); 1081 break; 1082 case IEEE80211_IOC_WPS: 1083 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1084 break; 1085 case IEEE80211_IOC_TSN: 1086 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1087 break; 1088 case IEEE80211_IOC_DFS: 1089 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1090 break; 1091 case IEEE80211_IOC_DOTD: 1092 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1093 break; 1094 case IEEE80211_IOC_DEVCAPS: 1095 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1096 break; 1097 case IEEE80211_IOC_HTPROTMODE: 1098 ireq->i_val = ic->ic_htprotmode; 1099 break; 1100 case IEEE80211_IOC_HTCONF: 1101 if (vap->iv_flags_ht & IEEE80211_FHT_HT) { 1102 ireq->i_val = 1; 1103 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) 1104 ireq->i_val |= 2; 1105 } else 1106 ireq->i_val = 0; 1107 break; 1108 case IEEE80211_IOC_STA_VLAN: 1109 error = ieee80211_ioctl_getstavlan(vap, ireq); 1110 break; 1111 case IEEE80211_IOC_SMPS: 1112 if (vap->iv_opmode == IEEE80211_M_STA && 1113 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) { 1114 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1115 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1116 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1117 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1118 else 1119 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1120 } else 1121 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1122 break; 1123 case IEEE80211_IOC_RIFS: 1124 if (vap->iv_opmode == IEEE80211_M_STA && 1125 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1126 ireq->i_val = 1127 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1128 else 1129 ireq->i_val = 1130 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; 1131 break; 1132 case IEEE80211_IOC_STBC: 1133 ireq->i_val = 0; 1134 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_TX) 1135 ireq->i_val |= 1; 1136 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_RX) 1137 ireq->i_val |= 2; 1138 break; 1139 1140 /* VHT */ 1141 case IEEE80211_IOC_VHTCONF: 1142 ireq->i_val = 0; 1143 if (vap->iv_flags_vht & IEEE80211_FVHT_VHT) 1144 ireq->i_val |= 1; 1145 if (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT40) 1146 ireq->i_val |= 2; 1147 if (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT80) 1148 ireq->i_val |= 4; 1149 if (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT80P80) 1150 ireq->i_val |= 8; 1151 if (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT160) 1152 ireq->i_val |= 16; 1153 break; 1154 1155 default: 1156 error = ieee80211_ioctl_getdefault(vap, ireq); 1157 break; 1158 } 1159 return error; 1160 #undef MS 1161 } 1162 1163 static int 1164 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1165 { 1166 struct ieee80211req_key ik; 1167 struct ieee80211_node *ni; 1168 struct ieee80211_key *wk; 1169 uint16_t kid; 1170 int error, i; 1171 1172 if (ireq->i_len != sizeof(ik)) 1173 return EINVAL; 1174 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1175 if (error) 1176 return error; 1177 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1178 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1179 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1180 return E2BIG; 1181 kid = ik.ik_keyix; 1182 if (kid == IEEE80211_KEYIX_NONE) { 1183 /* XXX unicast keys currently must be tx/rx */ 1184 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1185 return EINVAL; 1186 if (vap->iv_opmode == IEEE80211_M_STA) { 1187 ni = ieee80211_ref_node(vap->iv_bss); 1188 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1189 ieee80211_free_node(ni); 1190 return EADDRNOTAVAIL; 1191 } 1192 } else { 1193 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1194 ik.ik_macaddr); 1195 if (ni == NULL) 1196 return ENOENT; 1197 } 1198 wk = &ni->ni_ucastkey; 1199 } else { 1200 if (kid >= IEEE80211_WEP_NKID) 1201 return EINVAL; 1202 wk = &vap->iv_nw_keys[kid]; 1203 /* 1204 * Global slots start off w/o any assigned key index. 1205 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1206 */ 1207 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1208 wk->wk_keyix = kid; 1209 ni = NULL; 1210 } 1211 error = 0; 1212 ieee80211_key_update_begin(vap); 1213 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1214 wk->wk_keylen = ik.ik_keylen; 1215 /* NB: MIC presence is implied by cipher type */ 1216 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1217 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1218 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1219 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1220 wk->wk_keytsc = 0; /* new key, reset */ 1221 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1222 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1223 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1224 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1225 if (!ieee80211_crypto_setkey(vap, wk)) 1226 error = EIO; 1227 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1228 /* 1229 * Inform the driver that this is the default 1230 * transmit key. Now, ideally we'd just set 1231 * a flag in the key update that would 1232 * say "yes, we're the default key", but 1233 * that currently isn't the way the ioctl -> 1234 * key interface works. 1235 */ 1236 ieee80211_crypto_set_deftxkey(vap, kid); 1237 } else 1238 error = ENXIO; 1239 ieee80211_key_update_end(vap); 1240 if (ni != NULL) 1241 ieee80211_free_node(ni); 1242 return error; 1243 } 1244 1245 static int 1246 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1247 { 1248 struct ieee80211req_del_key dk; 1249 int kid, error; 1250 1251 if (ireq->i_len != sizeof(dk)) 1252 return EINVAL; 1253 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1254 if (error) 1255 return error; 1256 kid = dk.idk_keyix; 1257 /* XXX uint8_t -> uint16_t */ 1258 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1259 struct ieee80211_node *ni; 1260 1261 if (vap->iv_opmode == IEEE80211_M_STA) { 1262 ni = ieee80211_ref_node(vap->iv_bss); 1263 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1264 ieee80211_free_node(ni); 1265 return EADDRNOTAVAIL; 1266 } 1267 } else { 1268 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1269 dk.idk_macaddr); 1270 if (ni == NULL) 1271 return ENOENT; 1272 } 1273 /* XXX error return */ 1274 ieee80211_node_delucastkey(ni); 1275 ieee80211_free_node(ni); 1276 } else { 1277 if (kid >= IEEE80211_WEP_NKID) 1278 return EINVAL; 1279 /* XXX error return */ 1280 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1281 } 1282 return 0; 1283 } 1284 1285 struct mlmeop { 1286 struct ieee80211vap *vap; 1287 int op; 1288 int reason; 1289 }; 1290 1291 static void 1292 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1293 int op, int reason) 1294 { 1295 #ifdef IEEE80211_DEBUG 1296 static const struct { 1297 int mask; 1298 const char *opstr; 1299 } ops[] = { 1300 { 0, "op#0" }, 1301 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1302 IEEE80211_MSG_ASSOC, "assoc" }, 1303 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1304 IEEE80211_MSG_ASSOC, "disassoc" }, 1305 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1306 IEEE80211_MSG_AUTH, "deauth" }, 1307 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1308 IEEE80211_MSG_AUTH, "authorize" }, 1309 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1310 IEEE80211_MSG_AUTH, "unauthorize" }, 1311 }; 1312 1313 if (op == IEEE80211_MLME_AUTH) { 1314 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1315 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1316 "station authenticate %s via MLME (reason: %d (%s))", 1317 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1318 reason, ieee80211_reason_to_string(reason)); 1319 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1320 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1321 "unknown MLME request %d (reason: %d (%s))", op, reason, 1322 ieee80211_reason_to_string(reason)); 1323 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1324 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1325 "station %s via MLME", ops[op].opstr); 1326 } else { 1327 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1328 "station %s via MLME (reason: %d (%s))", ops[op].opstr, 1329 reason, ieee80211_reason_to_string(reason)); 1330 } 1331 #endif /* IEEE80211_DEBUG */ 1332 } 1333 1334 static void 1335 domlme(void *arg, struct ieee80211_node *ni) 1336 { 1337 struct mlmeop *mop = arg; 1338 struct ieee80211vap *vap = ni->ni_vap; 1339 1340 if (vap != mop->vap) 1341 return; 1342 /* 1343 * NB: if ni_associd is zero then the node is already cleaned 1344 * up and we don't need to do this (we're safely holding a 1345 * reference but should otherwise not modify it's state). 1346 */ 1347 if (ni->ni_associd == 0) 1348 return; 1349 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1350 if (mop->op == IEEE80211_MLME_DEAUTH) { 1351 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1352 mop->reason); 1353 } else { 1354 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1355 mop->reason); 1356 } 1357 ieee80211_node_leave(ni); 1358 } 1359 1360 static int 1361 setmlme_dropsta(struct ieee80211vap *vap, 1362 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1363 { 1364 struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta; 1365 struct ieee80211_node *ni; 1366 int error = 0; 1367 1368 /* NB: the broadcast address means do 'em all */ 1369 if (!IEEE80211_ADDR_EQ(mac, vap->iv_ifp->if_broadcastaddr)) { 1370 IEEE80211_NODE_LOCK(nt); 1371 ni = ieee80211_find_node_locked(nt, mac); 1372 IEEE80211_NODE_UNLOCK(nt); 1373 /* 1374 * Don't do the node update inside the node 1375 * table lock. This unfortunately causes LORs 1376 * with drivers and their TX paths. 1377 */ 1378 if (ni != NULL) { 1379 domlme(mlmeop, ni); 1380 ieee80211_free_node(ni); 1381 } else 1382 error = ENOENT; 1383 } else { 1384 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1385 } 1386 return error; 1387 } 1388 1389 static int 1390 setmlme_common(struct ieee80211vap *vap, int op, 1391 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1392 { 1393 struct ieee80211com *ic = vap->iv_ic; 1394 struct ieee80211_node_table *nt = &ic->ic_sta; 1395 struct ieee80211_node *ni; 1396 struct mlmeop mlmeop; 1397 int error; 1398 1399 error = 0; 1400 switch (op) { 1401 case IEEE80211_MLME_DISASSOC: 1402 case IEEE80211_MLME_DEAUTH: 1403 switch (vap->iv_opmode) { 1404 case IEEE80211_M_STA: 1405 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1406 /* XXX not quite right */ 1407 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1408 break; 1409 case IEEE80211_M_HOSTAP: 1410 mlmeop.vap = vap; 1411 mlmeop.op = op; 1412 mlmeop.reason = reason; 1413 error = setmlme_dropsta(vap, mac, &mlmeop); 1414 break; 1415 case IEEE80211_M_WDS: 1416 /* XXX user app should send raw frame? */ 1417 if (op != IEEE80211_MLME_DEAUTH) { 1418 error = EINVAL; 1419 break; 1420 } 1421 #if 0 1422 /* XXX accept any address, simplifies user code */ 1423 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1424 error = EINVAL; 1425 break; 1426 } 1427 #endif 1428 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1429 ni = ieee80211_ref_node(vap->iv_bss); 1430 IEEE80211_SEND_MGMT(ni, 1431 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1432 ieee80211_free_node(ni); 1433 break; 1434 case IEEE80211_M_MBSS: 1435 IEEE80211_NODE_LOCK(nt); 1436 ni = ieee80211_find_node_locked(nt, mac); 1437 /* 1438 * Don't do the node update inside the node 1439 * table lock. This unfortunately causes LORs 1440 * with drivers and their TX paths. 1441 */ 1442 IEEE80211_NODE_UNLOCK(nt); 1443 if (ni != NULL) { 1444 ieee80211_node_leave(ni); 1445 ieee80211_free_node(ni); 1446 } else { 1447 error = ENOENT; 1448 } 1449 break; 1450 default: 1451 error = EINVAL; 1452 break; 1453 } 1454 break; 1455 case IEEE80211_MLME_AUTHORIZE: 1456 case IEEE80211_MLME_UNAUTHORIZE: 1457 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1458 vap->iv_opmode != IEEE80211_M_WDS) { 1459 error = EINVAL; 1460 break; 1461 } 1462 IEEE80211_NODE_LOCK(nt); 1463 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1464 /* 1465 * Don't do the node update inside the node 1466 * table lock. This unfortunately causes LORs 1467 * with drivers and their TX paths. 1468 */ 1469 IEEE80211_NODE_UNLOCK(nt); 1470 if (ni != NULL) { 1471 mlmedebug(vap, mac, op, reason); 1472 if (op == IEEE80211_MLME_AUTHORIZE) 1473 ieee80211_node_authorize(ni); 1474 else 1475 ieee80211_node_unauthorize(ni); 1476 ieee80211_free_node(ni); 1477 } else 1478 error = ENOENT; 1479 break; 1480 case IEEE80211_MLME_AUTH: 1481 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1482 error = EINVAL; 1483 break; 1484 } 1485 IEEE80211_NODE_LOCK(nt); 1486 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1487 /* 1488 * Don't do the node update inside the node 1489 * table lock. This unfortunately causes LORs 1490 * with drivers and their TX paths. 1491 */ 1492 IEEE80211_NODE_UNLOCK(nt); 1493 if (ni != NULL) { 1494 mlmedebug(vap, mac, op, reason); 1495 if (reason == IEEE80211_STATUS_SUCCESS) { 1496 IEEE80211_SEND_MGMT(ni, 1497 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1498 /* 1499 * For shared key auth, just continue the 1500 * exchange. Otherwise when 802.1x is not in 1501 * use mark the port authorized at this point 1502 * so traffic can flow. 1503 */ 1504 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1505 ni->ni_challenge == NULL) 1506 ieee80211_node_authorize(ni); 1507 } else { 1508 vap->iv_stats.is_rx_acl++; 1509 ieee80211_send_error(ni, ni->ni_macaddr, 1510 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1511 ieee80211_node_leave(ni); 1512 } 1513 ieee80211_free_node(ni); 1514 } else 1515 error = ENOENT; 1516 break; 1517 default: 1518 error = EINVAL; 1519 break; 1520 } 1521 return error; 1522 } 1523 1524 struct scanlookup { 1525 const uint8_t *mac; 1526 int esslen; 1527 const uint8_t *essid; 1528 const struct ieee80211_scan_entry *se; 1529 }; 1530 1531 /* 1532 * Match mac address and any ssid. 1533 */ 1534 static void 1535 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1536 { 1537 struct scanlookup *look = arg; 1538 1539 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1540 return; 1541 if (look->esslen != 0) { 1542 if (se->se_ssid[1] != look->esslen) 1543 return; 1544 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1545 return; 1546 } 1547 look->se = se; 1548 } 1549 1550 static int 1551 setmlme_assoc_sta(struct ieee80211vap *vap, 1552 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1553 const uint8_t ssid[IEEE80211_NWID_LEN]) 1554 { 1555 struct scanlookup lookup; 1556 1557 KASSERT(vap->iv_opmode == IEEE80211_M_STA, 1558 ("expected opmode STA not %s", 1559 ieee80211_opmode_name[vap->iv_opmode])); 1560 1561 /* NB: this is racey if roaming is !manual */ 1562 lookup.se = NULL; 1563 lookup.mac = mac; 1564 lookup.esslen = ssid_len; 1565 lookup.essid = ssid; 1566 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1567 if (lookup.se == NULL) 1568 return ENOENT; 1569 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1570 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1571 return EIO; /* XXX unique but could be better */ 1572 return 0; 1573 } 1574 1575 static int 1576 setmlme_assoc_adhoc(struct ieee80211vap *vap, 1577 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1578 const uint8_t ssid[IEEE80211_NWID_LEN]) 1579 { 1580 struct ieee80211_scan_req *sr; 1581 int error; 1582 1583 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS || 1584 vap->iv_opmode == IEEE80211_M_AHDEMO, 1585 ("expected opmode IBSS or AHDEMO not %s", 1586 ieee80211_opmode_name[vap->iv_opmode])); 1587 1588 if (ssid_len == 0) 1589 return EINVAL; 1590 1591 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 1592 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1593 if (sr == NULL) 1594 return ENOMEM; 1595 1596 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */ 1597 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 1598 vap->iv_des_ssid[0].len = ssid_len; 1599 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len); 1600 vap->iv_des_nssid = 1; 1601 1602 sr->sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE; 1603 sr->sr_duration = IEEE80211_IOC_SCAN_FOREVER; 1604 memcpy(sr->sr_ssid[0].ssid, ssid, ssid_len); 1605 sr->sr_ssid[0].len = ssid_len; 1606 sr->sr_nssid = 1; 1607 1608 error = ieee80211_scanreq(vap, sr); 1609 1610 IEEE80211_FREE(sr, M_TEMP); 1611 return error; 1612 } 1613 1614 static int 1615 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1616 { 1617 struct ieee80211req_mlme mlme; 1618 int error; 1619 1620 if (ireq->i_len != sizeof(mlme)) 1621 return EINVAL; 1622 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1623 if (error) 1624 return error; 1625 if (vap->iv_opmode == IEEE80211_M_STA && 1626 mlme.im_op == IEEE80211_MLME_ASSOC) 1627 return setmlme_assoc_sta(vap, mlme.im_macaddr, 1628 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1629 else if ((vap->iv_opmode == IEEE80211_M_IBSS || 1630 vap->iv_opmode == IEEE80211_M_AHDEMO) && 1631 mlme.im_op == IEEE80211_MLME_ASSOC) 1632 return setmlme_assoc_adhoc(vap, mlme.im_macaddr, 1633 mlme.im_ssid_len, mlme.im_ssid); 1634 else 1635 return setmlme_common(vap, mlme.im_op, 1636 mlme.im_macaddr, mlme.im_reason); 1637 } 1638 1639 static int 1640 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1641 { 1642 uint8_t mac[IEEE80211_ADDR_LEN]; 1643 const struct ieee80211_aclator *acl = vap->iv_acl; 1644 int error; 1645 1646 if (ireq->i_len != sizeof(mac)) 1647 return EINVAL; 1648 error = copyin(ireq->i_data, mac, ireq->i_len); 1649 if (error) 1650 return error; 1651 if (acl == NULL) { 1652 acl = ieee80211_aclator_get("mac"); 1653 if (acl == NULL || !acl->iac_attach(vap)) 1654 return EINVAL; 1655 vap->iv_acl = acl; 1656 } 1657 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1658 acl->iac_add(vap, mac); 1659 else 1660 acl->iac_remove(vap, mac); 1661 return 0; 1662 } 1663 1664 static int 1665 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1666 { 1667 const struct ieee80211_aclator *acl = vap->iv_acl; 1668 1669 switch (ireq->i_val) { 1670 case IEEE80211_MACCMD_POLICY_OPEN: 1671 case IEEE80211_MACCMD_POLICY_ALLOW: 1672 case IEEE80211_MACCMD_POLICY_DENY: 1673 case IEEE80211_MACCMD_POLICY_RADIUS: 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 acl->iac_setpolicy(vap, ireq->i_val); 1681 break; 1682 case IEEE80211_MACCMD_FLUSH: 1683 if (acl != NULL) 1684 acl->iac_flush(vap); 1685 /* NB: silently ignore when not in use */ 1686 break; 1687 case IEEE80211_MACCMD_DETACH: 1688 if (acl != NULL) { 1689 vap->iv_acl = NULL; 1690 acl->iac_detach(vap); 1691 } 1692 break; 1693 default: 1694 if (acl == NULL) 1695 return EINVAL; 1696 else 1697 return acl->iac_setioctl(vap, ireq); 1698 } 1699 return 0; 1700 } 1701 1702 static int 1703 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1704 { 1705 struct ieee80211com *ic = vap->iv_ic; 1706 uint8_t *chanlist, *list; 1707 int i, nchan, maxchan, error; 1708 1709 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1710 ireq->i_len = sizeof(ic->ic_chan_active); 1711 list = IEEE80211_MALLOC(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1712 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1713 if (list == NULL) 1714 return ENOMEM; 1715 error = copyin(ireq->i_data, list, ireq->i_len); 1716 if (error) { 1717 IEEE80211_FREE(list, M_TEMP); 1718 return error; 1719 } 1720 nchan = 0; 1721 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1722 maxchan = ireq->i_len * NBBY; 1723 for (i = 0; i < ic->ic_nchans; i++) { 1724 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1725 /* 1726 * Calculate the intersection of the user list and the 1727 * available channels so users can do things like specify 1728 * 1-255 to get all available channels. 1729 */ 1730 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1731 setbit(chanlist, c->ic_ieee); 1732 nchan++; 1733 } 1734 } 1735 if (nchan == 0) { 1736 IEEE80211_FREE(list, M_TEMP); 1737 return EINVAL; 1738 } 1739 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1740 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1741 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1742 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1743 ieee80211_scan_flush(vap); 1744 IEEE80211_FREE(list, M_TEMP); 1745 return ENETRESET; 1746 } 1747 1748 static int 1749 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1750 { 1751 struct ieee80211_node *ni; 1752 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1753 int error; 1754 1755 /* 1756 * NB: we could copyin ieee80211req_sta_stats so apps 1757 * could make selective changes but that's overkill; 1758 * just clear all stats for now. 1759 */ 1760 if (ireq->i_len < IEEE80211_ADDR_LEN) 1761 return EINVAL; 1762 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1763 if (error != 0) 1764 return error; 1765 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1766 if (ni == NULL) 1767 return ENOENT; 1768 /* XXX require ni_vap == vap? */ 1769 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1770 ieee80211_free_node(ni); 1771 return 0; 1772 } 1773 1774 static int 1775 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1776 { 1777 struct ieee80211_node *ni; 1778 struct ieee80211req_sta_txpow txpow; 1779 int error; 1780 1781 if (ireq->i_len != sizeof(txpow)) 1782 return EINVAL; 1783 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1784 if (error != 0) 1785 return error; 1786 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1787 if (ni == NULL) 1788 return ENOENT; 1789 ni->ni_txpower = txpow.it_txpow; 1790 ieee80211_free_node(ni); 1791 return error; 1792 } 1793 1794 static int 1795 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1796 { 1797 struct ieee80211com *ic = vap->iv_ic; 1798 struct ieee80211_wme_state *wme = &ic->ic_wme; 1799 struct wmeParams *wmep, *chanp; 1800 int isbss, ac, aggrmode; 1801 1802 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1803 return EOPNOTSUPP; 1804 1805 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1806 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1807 aggrmode = (wme->wme_flags & WME_F_AGGRMODE); 1808 if (ac >= WME_NUM_AC) 1809 ac = WME_AC_BE; 1810 if (isbss) { 1811 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1812 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1813 } else { 1814 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1815 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1816 } 1817 switch (ireq->i_type) { 1818 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1819 wmep->wmep_logcwmin = ireq->i_val; 1820 if (!isbss || !aggrmode) 1821 chanp->wmep_logcwmin = ireq->i_val; 1822 break; 1823 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1824 wmep->wmep_logcwmax = ireq->i_val; 1825 if (!isbss || !aggrmode) 1826 chanp->wmep_logcwmax = ireq->i_val; 1827 break; 1828 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1829 wmep->wmep_aifsn = ireq->i_val; 1830 if (!isbss || !aggrmode) 1831 chanp->wmep_aifsn = ireq->i_val; 1832 break; 1833 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1834 wmep->wmep_txopLimit = ireq->i_val; 1835 if (!isbss || !aggrmode) 1836 chanp->wmep_txopLimit = ireq->i_val; 1837 break; 1838 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1839 wmep->wmep_acm = ireq->i_val; 1840 if (!aggrmode) 1841 chanp->wmep_acm = ireq->i_val; 1842 break; 1843 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1844 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1845 (ireq->i_val) == 0; 1846 break; 1847 } 1848 ieee80211_wme_updateparams(vap); 1849 return 0; 1850 } 1851 1852 static int 1853 find11gchannel(struct ieee80211com *ic, int start, int freq) 1854 { 1855 const struct ieee80211_channel *c; 1856 int i; 1857 1858 for (i = start+1; i < ic->ic_nchans; i++) { 1859 c = &ic->ic_channels[i]; 1860 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1861 return 1; 1862 } 1863 /* NB: should not be needed but in case things are mis-sorted */ 1864 for (i = 0; i < start; i++) { 1865 c = &ic->ic_channels[i]; 1866 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1867 return 1; 1868 } 1869 return 0; 1870 } 1871 1872 static struct ieee80211_channel * 1873 findchannel(struct ieee80211com *ic, int ieee, int mode) 1874 { 1875 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1876 [IEEE80211_MODE_AUTO] = 0, 1877 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1878 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1879 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1880 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1881 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1882 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1883 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1884 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1885 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1886 /* NB: handled specially below */ 1887 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1888 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1889 [IEEE80211_MODE_VHT_5GHZ] = IEEE80211_CHAN_A, 1890 [IEEE80211_MODE_VHT_2GHZ] = IEEE80211_CHAN_G, 1891 }; 1892 u_int modeflags; 1893 int i; 1894 1895 modeflags = chanflags[mode]; 1896 for (i = 0; i < ic->ic_nchans; i++) { 1897 struct ieee80211_channel *c = &ic->ic_channels[i]; 1898 1899 if (c->ic_ieee != ieee) 1900 continue; 1901 if (mode == IEEE80211_MODE_AUTO) { 1902 /* ignore turbo channels for autoselect */ 1903 if (IEEE80211_IS_CHAN_TURBO(c)) 1904 continue; 1905 /* 1906 * XXX special-case 11b/g channels so we 1907 * always select the g channel if both 1908 * are present. 1909 * XXX prefer HT to non-HT? 1910 */ 1911 if (!IEEE80211_IS_CHAN_B(c) || 1912 !find11gchannel(ic, i, c->ic_freq)) 1913 return c; 1914 } else { 1915 /* must check VHT specifically */ 1916 if ((mode == IEEE80211_MODE_VHT_5GHZ || 1917 mode == IEEE80211_MODE_VHT_2GHZ) && 1918 !IEEE80211_IS_CHAN_VHT(c)) 1919 continue; 1920 1921 /* 1922 * Must check HT specially - only match on HT, 1923 * not HT+VHT channels 1924 */ 1925 if ((mode == IEEE80211_MODE_11NA || 1926 mode == IEEE80211_MODE_11NG) && 1927 !IEEE80211_IS_CHAN_HT(c)) 1928 continue; 1929 1930 if ((mode == IEEE80211_MODE_11NA || 1931 mode == IEEE80211_MODE_11NG) && 1932 IEEE80211_IS_CHAN_VHT(c)) 1933 continue; 1934 1935 /* Check that the modeflags above match */ 1936 if ((c->ic_flags & modeflags) == modeflags) 1937 return c; 1938 } 1939 } 1940 return NULL; 1941 } 1942 1943 /* 1944 * Check the specified against any desired mode (aka netband). 1945 * This is only used (presently) when operating in hostap mode 1946 * to enforce consistency. 1947 */ 1948 static int 1949 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1950 { 1951 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1952 1953 switch (mode) { 1954 case IEEE80211_MODE_11B: 1955 return (IEEE80211_IS_CHAN_B(c)); 1956 case IEEE80211_MODE_11G: 1957 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1958 case IEEE80211_MODE_11A: 1959 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1960 case IEEE80211_MODE_STURBO_A: 1961 return (IEEE80211_IS_CHAN_STURBO(c)); 1962 case IEEE80211_MODE_11NA: 1963 return (IEEE80211_IS_CHAN_HTA(c)); 1964 case IEEE80211_MODE_11NG: 1965 return (IEEE80211_IS_CHAN_HTG(c)); 1966 } 1967 return 1; 1968 1969 } 1970 1971 /* 1972 * Common code to set the current channel. If the device 1973 * is up and running this may result in an immediate channel 1974 * change or a kick of the state machine. 1975 */ 1976 static int 1977 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 1978 { 1979 struct ieee80211com *ic = vap->iv_ic; 1980 int error; 1981 1982 if (c != IEEE80211_CHAN_ANYC) { 1983 if (IEEE80211_IS_CHAN_RADAR(c)) 1984 return EBUSY; /* XXX better code? */ 1985 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 1986 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 1987 return EINVAL; 1988 if (!check_mode_consistency(c, vap->iv_des_mode)) 1989 return EINVAL; 1990 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 1991 if (IEEE80211_IS_CHAN_NOADHOC(c)) 1992 return EINVAL; 1993 } 1994 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) && 1995 vap->iv_bss->ni_chan == c) 1996 return 0; /* NB: nothing to do */ 1997 } 1998 vap->iv_des_chan = c; 1999 2000 error = 0; 2001 if (vap->iv_opmode == IEEE80211_M_MONITOR && 2002 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 2003 /* 2004 * Monitor mode can switch directly. 2005 */ 2006 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 2007 /* XXX need state machine for other vap's to follow */ 2008 ieee80211_setcurchan(ic, vap->iv_des_chan); 2009 vap->iv_bss->ni_chan = ic->ic_curchan; 2010 } else 2011 ic->ic_curchan = vap->iv_des_chan; 2012 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 2013 } else { 2014 /* 2015 * Need to go through the state machine in case we 2016 * need to reassociate or the like. The state machine 2017 * will pickup the desired channel and avoid scanning. 2018 */ 2019 if (IS_UP_AUTO(vap)) 2020 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2021 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 2022 /* 2023 * When not up+running and a real channel has 2024 * been specified fix the current channel so 2025 * there is immediate feedback; e.g. via ifconfig. 2026 */ 2027 ic->ic_curchan = vap->iv_des_chan; 2028 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 2029 } 2030 } 2031 return error; 2032 } 2033 2034 /* 2035 * Old api for setting the current channel; this is 2036 * deprecated because channel numbers are ambiguous. 2037 */ 2038 static int 2039 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 2040 const struct ieee80211req *ireq) 2041 { 2042 struct ieee80211com *ic = vap->iv_ic; 2043 struct ieee80211_channel *c; 2044 2045 /* XXX 0xffff overflows 16-bit signed */ 2046 if (ireq->i_val == 0 || 2047 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 2048 c = IEEE80211_CHAN_ANYC; 2049 } else { 2050 struct ieee80211_channel *c2; 2051 2052 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 2053 if (c == NULL) { 2054 c = findchannel(ic, ireq->i_val, 2055 IEEE80211_MODE_AUTO); 2056 if (c == NULL) 2057 return EINVAL; 2058 } 2059 2060 /* 2061 * Fine tune channel selection based on desired mode: 2062 * if 11b is requested, find the 11b version of any 2063 * 11g channel returned, 2064 * if static turbo, find the turbo version of any 2065 * 11a channel return, 2066 * if 11na is requested, find the ht version of any 2067 * 11a channel returned, 2068 * if 11ng is requested, find the ht version of any 2069 * 11g channel returned, 2070 * if 11ac is requested, find the 11ac version 2071 * of any 11a/11na channel returned, 2072 * (TBD) 11acg (2GHz VHT) 2073 * otherwise we should be ok with what we've got. 2074 */ 2075 switch (vap->iv_des_mode) { 2076 case IEEE80211_MODE_11B: 2077 if (IEEE80211_IS_CHAN_ANYG(c)) { 2078 c2 = findchannel(ic, ireq->i_val, 2079 IEEE80211_MODE_11B); 2080 /* NB: should not happen, =>'s 11g w/o 11b */ 2081 if (c2 != NULL) 2082 c = c2; 2083 } 2084 break; 2085 case IEEE80211_MODE_TURBO_A: 2086 if (IEEE80211_IS_CHAN_A(c)) { 2087 c2 = findchannel(ic, ireq->i_val, 2088 IEEE80211_MODE_TURBO_A); 2089 if (c2 != NULL) 2090 c = c2; 2091 } 2092 break; 2093 case IEEE80211_MODE_11NA: 2094 if (IEEE80211_IS_CHAN_A(c)) { 2095 c2 = findchannel(ic, ireq->i_val, 2096 IEEE80211_MODE_11NA); 2097 if (c2 != NULL) 2098 c = c2; 2099 } 2100 break; 2101 case IEEE80211_MODE_11NG: 2102 if (IEEE80211_IS_CHAN_ANYG(c)) { 2103 c2 = findchannel(ic, ireq->i_val, 2104 IEEE80211_MODE_11NG); 2105 if (c2 != NULL) 2106 c = c2; 2107 } 2108 break; 2109 case IEEE80211_MODE_VHT_2GHZ: 2110 printf("%s: TBD\n", __func__); 2111 break; 2112 case IEEE80211_MODE_VHT_5GHZ: 2113 if (IEEE80211_IS_CHAN_A(c)) { 2114 c2 = findchannel(ic, ireq->i_val, 2115 IEEE80211_MODE_VHT_5GHZ); 2116 if (c2 != NULL) 2117 c = c2; 2118 } 2119 break; 2120 default: /* NB: no static turboG */ 2121 break; 2122 } 2123 } 2124 return setcurchan(vap, c); 2125 } 2126 2127 /* 2128 * New/current api for setting the current channel; a complete 2129 * channel description is provide so there is no ambiguity in 2130 * identifying the channel. 2131 */ 2132 static int 2133 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 2134 const struct ieee80211req *ireq) 2135 { 2136 struct ieee80211com *ic = vap->iv_ic; 2137 struct ieee80211_channel chan, *c; 2138 int error; 2139 2140 if (ireq->i_len != sizeof(chan)) 2141 return EINVAL; 2142 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2143 if (error != 0) 2144 return error; 2145 2146 /* XXX 0xffff overflows 16-bit signed */ 2147 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2148 c = IEEE80211_CHAN_ANYC; 2149 } else { 2150 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2151 if (c == NULL) 2152 return EINVAL; 2153 } 2154 return setcurchan(vap, c); 2155 } 2156 2157 static int 2158 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2159 const struct ieee80211req *ireq) 2160 { 2161 struct ieee80211_regdomain_req *reg; 2162 int nchans, error; 2163 2164 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2165 sizeof(struct ieee80211_channel)); 2166 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2167 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2168 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2169 ireq->i_len, nchans); 2170 return EINVAL; 2171 } 2172 reg = (struct ieee80211_regdomain_req *) 2173 IEEE80211_MALLOC(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, 2174 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2175 if (reg == NULL) { 2176 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2177 "%s: no memory, nchans %d\n", __func__, nchans); 2178 return ENOMEM; 2179 } 2180 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2181 if (error == 0) { 2182 /* NB: validate inline channel count against storage size */ 2183 if (reg->chaninfo.ic_nchans != nchans) { 2184 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2185 "%s: chan cnt mismatch, %d != %d\n", __func__, 2186 reg->chaninfo.ic_nchans, nchans); 2187 error = EINVAL; 2188 } else 2189 error = ieee80211_setregdomain(vap, reg); 2190 } 2191 IEEE80211_FREE(reg, M_TEMP); 2192 2193 return (error == 0 ? ENETRESET : error); 2194 } 2195 2196 static int 2197 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2198 const struct ieee80211req *ireq) 2199 { 2200 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2201 return EINVAL; 2202 /* XXX validate params */ 2203 /* XXX? ENETRESET to push to device? */ 2204 return copyin(ireq->i_data, vap->iv_roamparms, 2205 sizeof(vap->iv_roamparms)); 2206 } 2207 2208 static int 2209 checkrate(const struct ieee80211_rateset *rs, int rate) 2210 { 2211 int i; 2212 2213 if (rate == IEEE80211_FIXED_RATE_NONE) 2214 return 1; 2215 for (i = 0; i < rs->rs_nrates; i++) 2216 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2217 return 1; 2218 return 0; 2219 } 2220 2221 static int 2222 checkmcs(int mcs) 2223 { 2224 if (mcs == IEEE80211_FIXED_RATE_NONE) 2225 return 1; 2226 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2227 return 0; 2228 return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */ 2229 } 2230 2231 static int 2232 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2233 const struct ieee80211req *ireq) 2234 { 2235 struct ieee80211com *ic = vap->iv_ic; 2236 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2237 struct ieee80211_txparam *src, *dst; 2238 const struct ieee80211_rateset *rs; 2239 int error, mode, changed, is11n, nmodes; 2240 2241 /* NB: accept short requests for backwards compat */ 2242 if (ireq->i_len > sizeof(parms)) 2243 return EINVAL; 2244 error = copyin(ireq->i_data, &parms, ireq->i_len); 2245 if (error != 0) 2246 return error; 2247 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2248 changed = 0; 2249 /* validate parameters and check if anything changed */ 2250 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2251 if (isclr(ic->ic_modecaps, mode)) 2252 continue; 2253 src = &parms.params[mode]; 2254 dst = &vap->iv_txparms[mode]; 2255 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2256 is11n = (mode == IEEE80211_MODE_11NA || 2257 mode == IEEE80211_MODE_11NG); 2258 if (src->ucastrate != dst->ucastrate) { 2259 if (!checkrate(rs, src->ucastrate) && 2260 (!is11n || !checkmcs(src->ucastrate))) 2261 return EINVAL; 2262 changed++; 2263 } 2264 if (src->mcastrate != dst->mcastrate) { 2265 if (!checkrate(rs, src->mcastrate) && 2266 (!is11n || !checkmcs(src->mcastrate))) 2267 return EINVAL; 2268 changed++; 2269 } 2270 if (src->mgmtrate != dst->mgmtrate) { 2271 if (!checkrate(rs, src->mgmtrate) && 2272 (!is11n || !checkmcs(src->mgmtrate))) 2273 return EINVAL; 2274 changed++; 2275 } 2276 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2277 changed++; 2278 } 2279 if (changed) { 2280 /* 2281 * Copy new parameters in place and notify the 2282 * driver so it can push state to the device. 2283 */ 2284 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2285 if (isset(ic->ic_modecaps, mode)) 2286 vap->iv_txparms[mode] = parms.params[mode]; 2287 } 2288 /* XXX could be more intelligent, 2289 e.g. don't reset if setting not being used */ 2290 return ENETRESET; 2291 } 2292 return 0; 2293 } 2294 2295 /* 2296 * Application Information Element support. 2297 */ 2298 static int 2299 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2300 { 2301 struct ieee80211_appie *app = *aie; 2302 struct ieee80211_appie *napp; 2303 int error; 2304 2305 if (ireq->i_len == 0) { /* delete any existing ie */ 2306 if (app != NULL) { 2307 *aie = NULL; /* XXX racey */ 2308 IEEE80211_FREE(app, M_80211_NODE_IE); 2309 } 2310 return 0; 2311 } 2312 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2313 return EINVAL; 2314 /* 2315 * Allocate a new appie structure and copy in the user data. 2316 * When done swap in the new structure. Note that we do not 2317 * guard against users holding a ref to the old structure; 2318 * this must be handled outside this code. 2319 * 2320 * XXX bad bad bad 2321 */ 2322 napp = (struct ieee80211_appie *) IEEE80211_MALLOC( 2323 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, 2324 IEEE80211_M_NOWAIT); 2325 if (napp == NULL) 2326 return ENOMEM; 2327 /* XXX holding ic lock */ 2328 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2329 if (error) { 2330 IEEE80211_FREE(napp, M_80211_NODE_IE); 2331 return error; 2332 } 2333 napp->ie_len = ireq->i_len; 2334 *aie = napp; 2335 if (app != NULL) 2336 IEEE80211_FREE(app, M_80211_NODE_IE); 2337 return 0; 2338 } 2339 2340 static void 2341 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2342 { 2343 /* validate data is present as best we can */ 2344 if (space == 0 || 2+ie[1] > space) 2345 return; 2346 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2347 vap->iv_wpa_ie = ie; 2348 else if (ie[0] == IEEE80211_ELEMID_RSN) 2349 vap->iv_rsn_ie = ie; 2350 } 2351 2352 static int 2353 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2354 const struct ieee80211req *ireq, int fc0) 2355 { 2356 int error; 2357 2358 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2359 2360 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2361 case IEEE80211_FC0_SUBTYPE_BEACON: 2362 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2363 vap->iv_opmode != IEEE80211_M_IBSS) { 2364 error = EINVAL; 2365 break; 2366 } 2367 error = setappie(&vap->iv_appie_beacon, ireq); 2368 if (error == 0) 2369 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2370 break; 2371 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2372 error = setappie(&vap->iv_appie_proberesp, ireq); 2373 break; 2374 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2375 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2376 error = setappie(&vap->iv_appie_assocresp, ireq); 2377 else 2378 error = EINVAL; 2379 break; 2380 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2381 error = setappie(&vap->iv_appie_probereq, ireq); 2382 break; 2383 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2384 if (vap->iv_opmode == IEEE80211_M_STA) 2385 error = setappie(&vap->iv_appie_assocreq, ireq); 2386 else 2387 error = EINVAL; 2388 break; 2389 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2390 error = setappie(&vap->iv_appie_wpa, ireq); 2391 if (error == 0) { 2392 /* 2393 * Must split single blob of data into separate 2394 * WPA and RSN ie's because they go in different 2395 * locations in the mgt frames. 2396 * XXX use IEEE80211_IOC_WPA2 so user code does split 2397 */ 2398 vap->iv_wpa_ie = NULL; 2399 vap->iv_rsn_ie = NULL; 2400 if (vap->iv_appie_wpa != NULL) { 2401 struct ieee80211_appie *appie = 2402 vap->iv_appie_wpa; 2403 uint8_t *data = appie->ie_data; 2404 2405 /* XXX ie length validate is painful, cheat */ 2406 setwparsnie(vap, data, appie->ie_len); 2407 setwparsnie(vap, data + 2 + data[1], 2408 appie->ie_len - (2 + data[1])); 2409 } 2410 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2411 vap->iv_opmode == IEEE80211_M_IBSS) { 2412 /* 2413 * Must rebuild beacon frame as the update 2414 * mechanism doesn't handle WPA/RSN ie's. 2415 * Could extend it but it doesn't normally 2416 * change; this is just to deal with hostapd 2417 * plumbing the ie after the interface is up. 2418 */ 2419 error = ENETRESET; 2420 } 2421 } 2422 break; 2423 default: 2424 error = EINVAL; 2425 break; 2426 } 2427 return error; 2428 } 2429 2430 static int 2431 ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2432 const struct ieee80211req *ireq) 2433 { 2434 struct ieee80211com *ic = vap->iv_ic; 2435 int error; 2436 uint8_t fc0; 2437 2438 fc0 = ireq->i_val & 0xff; 2439 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2440 return EINVAL; 2441 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2442 IEEE80211_LOCK(ic); 2443 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2444 IEEE80211_UNLOCK(ic); 2445 return error; 2446 } 2447 2448 static int 2449 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2450 { 2451 struct ieee80211com *ic = vap->iv_ic; 2452 struct ieee80211_chanswitch_req csr; 2453 struct ieee80211_channel *c; 2454 int error; 2455 2456 if (ireq->i_len != sizeof(csr)) 2457 return EINVAL; 2458 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2459 if (error != 0) 2460 return error; 2461 /* XXX adhoc mode not supported */ 2462 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2463 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2464 return EOPNOTSUPP; 2465 c = ieee80211_find_channel(ic, 2466 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2467 if (c == NULL) 2468 return ENOENT; 2469 IEEE80211_LOCK(ic); 2470 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2471 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2472 else if (csr.csa_count == 0) 2473 ieee80211_csa_cancelswitch(ic); 2474 else 2475 error = EBUSY; 2476 IEEE80211_UNLOCK(ic); 2477 return error; 2478 } 2479 2480 static int 2481 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr) 2482 { 2483 #define IEEE80211_IOC_SCAN_FLAGS \ 2484 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2485 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2486 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2487 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2488 IEEE80211_IOC_SCAN_CHECK) 2489 struct ieee80211com *ic = vap->iv_ic; 2490 int error, i; 2491 2492 /* convert duration */ 2493 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2494 sr->sr_duration = IEEE80211_SCAN_FOREVER; 2495 else { 2496 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2497 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2498 return EINVAL; 2499 sr->sr_duration = msecs_to_ticks(sr->sr_duration); 2500 if (sr->sr_duration < 1) 2501 sr->sr_duration = 1; 2502 } 2503 /* convert min/max channel dwell */ 2504 if (sr->sr_mindwell != 0) { 2505 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell); 2506 if (sr->sr_mindwell < 1) 2507 sr->sr_mindwell = 1; 2508 } 2509 if (sr->sr_maxdwell != 0) { 2510 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell); 2511 if (sr->sr_maxdwell < 1) 2512 sr->sr_maxdwell = 1; 2513 } 2514 /* NB: silently reduce ssid count to what is supported */ 2515 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID) 2516 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID; 2517 for (i = 0; i < sr->sr_nssid; i++) 2518 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN) 2519 return EINVAL; 2520 /* cleanse flags just in case, could reject if invalid flags */ 2521 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2522 /* 2523 * Add an implicit NOPICK if the vap is not marked UP. This 2524 * allows applications to scan without joining a bss (or picking 2525 * a channel and setting up a bss) and without forcing manual 2526 * roaming mode--you just need to mark the parent device UP. 2527 */ 2528 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2529 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2530 2531 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2532 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2533 __func__, sr->sr_flags, 2534 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2535 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid); 2536 /* 2537 * If we are in INIT state then the driver has never had a chance 2538 * to setup hardware state to do a scan; we must use the state 2539 * machine to get us up to the SCAN state but once we reach SCAN 2540 * state we then want to use the supplied params. Stash the 2541 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2542 * state machines will recognize this and use the stashed params 2543 * to issue the scan request. 2544 * 2545 * Otherwise just invoke the scan machinery directly. 2546 */ 2547 IEEE80211_LOCK(ic); 2548 if (ic->ic_nrunning == 0) { 2549 IEEE80211_UNLOCK(ic); 2550 return ENXIO; 2551 } 2552 2553 if (vap->iv_state == IEEE80211_S_INIT) { 2554 /* NB: clobbers previous settings */ 2555 vap->iv_scanreq_flags = sr->sr_flags; 2556 vap->iv_scanreq_duration = sr->sr_duration; 2557 vap->iv_scanreq_nssid = sr->sr_nssid; 2558 for (i = 0; i < sr->sr_nssid; i++) { 2559 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len; 2560 memcpy(vap->iv_scanreq_ssid[i].ssid, 2561 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len); 2562 } 2563 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2564 IEEE80211_UNLOCK(ic); 2565 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2566 } else { 2567 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2568 IEEE80211_UNLOCK(ic); 2569 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2570 error = ieee80211_check_scan(vap, sr->sr_flags, 2571 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2572 sr->sr_nssid, 2573 /* NB: cheat, we assume structures are compatible */ 2574 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2575 } else { 2576 error = ieee80211_start_scan(vap, sr->sr_flags, 2577 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2578 sr->sr_nssid, 2579 /* NB: cheat, we assume structures are compatible */ 2580 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2581 } 2582 if (error == 0) 2583 return EINPROGRESS; 2584 } 2585 return 0; 2586 #undef IEEE80211_IOC_SCAN_FLAGS 2587 } 2588 2589 static int 2590 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2591 { 2592 struct ieee80211_scan_req *sr; 2593 int error; 2594 2595 if (ireq->i_len != sizeof(*sr)) 2596 return EINVAL; 2597 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 2598 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2599 if (sr == NULL) 2600 return ENOMEM; 2601 error = copyin(ireq->i_data, sr, sizeof(*sr)); 2602 if (error != 0) 2603 goto bad; 2604 error = ieee80211_scanreq(vap, sr); 2605 bad: 2606 IEEE80211_FREE(sr, M_TEMP); 2607 return error; 2608 } 2609 2610 static int 2611 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2612 { 2613 struct ieee80211_node *ni; 2614 struct ieee80211req_sta_vlan vlan; 2615 int error; 2616 2617 if (ireq->i_len != sizeof(vlan)) 2618 return EINVAL; 2619 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2620 if (error != 0) 2621 return error; 2622 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2623 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2624 vlan.sv_macaddr); 2625 if (ni == NULL) 2626 return ENOENT; 2627 } else 2628 ni = ieee80211_ref_node(vap->iv_bss); 2629 ni->ni_vlan = vlan.sv_vlan; 2630 ieee80211_free_node(ni); 2631 return error; 2632 } 2633 2634 static int 2635 isvap11g(const struct ieee80211vap *vap) 2636 { 2637 const struct ieee80211_node *bss = vap->iv_bss; 2638 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2639 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2640 } 2641 2642 static int 2643 isvapht(const struct ieee80211vap *vap) 2644 { 2645 const struct ieee80211_node *bss = vap->iv_bss; 2646 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2647 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2648 } 2649 2650 /* 2651 * Dummy ioctl set handler so the linker set is defined. 2652 */ 2653 static int 2654 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2655 { 2656 return ENOSYS; 2657 } 2658 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2659 2660 static int 2661 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2662 { 2663 ieee80211_ioctl_setfunc * const *set; 2664 int error; 2665 2666 SET_FOREACH(set, ieee80211_ioctl_setset) { 2667 error = (*set)(vap, ireq); 2668 if (error != ENOSYS) 2669 return error; 2670 } 2671 return EINVAL; 2672 } 2673 2674 static int 2675 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2676 { 2677 struct ieee80211com *ic = vap->iv_ic; 2678 int error; 2679 const struct ieee80211_authenticator *auth; 2680 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2681 char tmpssid[IEEE80211_NWID_LEN]; 2682 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2683 struct ieee80211_key *k; 2684 u_int kid; 2685 uint32_t flags; 2686 2687 error = 0; 2688 switch (ireq->i_type) { 2689 case IEEE80211_IOC_SSID: 2690 if (ireq->i_val != 0 || 2691 ireq->i_len > IEEE80211_NWID_LEN) 2692 return EINVAL; 2693 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2694 if (error) 2695 break; 2696 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2697 vap->iv_des_ssid[0].len = ireq->i_len; 2698 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2699 vap->iv_des_nssid = (ireq->i_len > 0); 2700 error = ENETRESET; 2701 break; 2702 case IEEE80211_IOC_WEP: 2703 switch (ireq->i_val) { 2704 case IEEE80211_WEP_OFF: 2705 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2706 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2707 break; 2708 case IEEE80211_WEP_ON: 2709 vap->iv_flags |= IEEE80211_F_PRIVACY; 2710 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2711 break; 2712 case IEEE80211_WEP_MIXED: 2713 vap->iv_flags |= IEEE80211_F_PRIVACY; 2714 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2715 break; 2716 } 2717 error = ENETRESET; 2718 break; 2719 case IEEE80211_IOC_WEPKEY: 2720 kid = (u_int) ireq->i_val; 2721 if (kid >= IEEE80211_WEP_NKID) 2722 return EINVAL; 2723 k = &vap->iv_nw_keys[kid]; 2724 if (ireq->i_len == 0) { 2725 /* zero-len =>'s delete any existing key */ 2726 (void) ieee80211_crypto_delkey(vap, k); 2727 break; 2728 } 2729 if (ireq->i_len > sizeof(tmpkey)) 2730 return EINVAL; 2731 memset(tmpkey, 0, sizeof(tmpkey)); 2732 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2733 if (error) 2734 break; 2735 ieee80211_key_update_begin(vap); 2736 k->wk_keyix = kid; /* NB: force fixed key id */ 2737 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2738 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2739 k->wk_keylen = ireq->i_len; 2740 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2741 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2742 if (!ieee80211_crypto_setkey(vap, k)) 2743 error = EINVAL; 2744 } else 2745 error = EINVAL; 2746 ieee80211_key_update_end(vap); 2747 break; 2748 case IEEE80211_IOC_WEPTXKEY: 2749 kid = (u_int) ireq->i_val; 2750 if (kid >= IEEE80211_WEP_NKID && 2751 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2752 return EINVAL; 2753 /* 2754 * Firmware devices may need to be told about an explicit 2755 * key index here, versus just inferring it from the 2756 * key set / change. Since we may also need to pause 2757 * things like transmit before the key is updated, 2758 * give the driver a chance to flush things by tying 2759 * into key update begin/end. 2760 */ 2761 ieee80211_key_update_begin(vap); 2762 ieee80211_crypto_set_deftxkey(vap, kid); 2763 ieee80211_key_update_end(vap); 2764 break; 2765 case IEEE80211_IOC_AUTHMODE: 2766 switch (ireq->i_val) { 2767 case IEEE80211_AUTH_WPA: 2768 case IEEE80211_AUTH_8021X: /* 802.1x */ 2769 case IEEE80211_AUTH_OPEN: /* open */ 2770 case IEEE80211_AUTH_SHARED: /* shared-key */ 2771 case IEEE80211_AUTH_AUTO: /* auto */ 2772 auth = ieee80211_authenticator_get(ireq->i_val); 2773 if (auth == NULL) 2774 return EINVAL; 2775 break; 2776 default: 2777 return EINVAL; 2778 } 2779 switch (ireq->i_val) { 2780 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2781 vap->iv_flags |= IEEE80211_F_PRIVACY; 2782 ireq->i_val = IEEE80211_AUTH_8021X; 2783 break; 2784 case IEEE80211_AUTH_OPEN: /* open */ 2785 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2786 break; 2787 case IEEE80211_AUTH_SHARED: /* shared-key */ 2788 case IEEE80211_AUTH_8021X: /* 802.1x */ 2789 vap->iv_flags &= ~IEEE80211_F_WPA; 2790 /* both require a key so mark the PRIVACY capability */ 2791 vap->iv_flags |= IEEE80211_F_PRIVACY; 2792 break; 2793 case IEEE80211_AUTH_AUTO: /* auto */ 2794 vap->iv_flags &= ~IEEE80211_F_WPA; 2795 /* XXX PRIVACY handling? */ 2796 /* XXX what's the right way to do this? */ 2797 break; 2798 } 2799 /* NB: authenticator attach/detach happens on state change */ 2800 vap->iv_bss->ni_authmode = ireq->i_val; 2801 /* XXX mixed/mode/usage? */ 2802 vap->iv_auth = auth; 2803 error = ENETRESET; 2804 break; 2805 case IEEE80211_IOC_CHANNEL: 2806 error = ieee80211_ioctl_setchannel(vap, ireq); 2807 break; 2808 case IEEE80211_IOC_POWERSAVE: 2809 switch (ireq->i_val) { 2810 case IEEE80211_POWERSAVE_OFF: 2811 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2812 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2813 error = ERESTART; 2814 } 2815 break; 2816 case IEEE80211_POWERSAVE_ON: 2817 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2818 error = EOPNOTSUPP; 2819 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2820 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2821 error = ERESTART; 2822 } 2823 break; 2824 default: 2825 error = EINVAL; 2826 break; 2827 } 2828 break; 2829 case IEEE80211_IOC_POWERSAVESLEEP: 2830 if (ireq->i_val < 0) 2831 return EINVAL; 2832 ic->ic_lintval = ireq->i_val; 2833 error = ERESTART; 2834 break; 2835 case IEEE80211_IOC_RTSTHRESHOLD: 2836 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2837 ireq->i_val <= IEEE80211_RTS_MAX)) 2838 return EINVAL; 2839 vap->iv_rtsthreshold = ireq->i_val; 2840 error = ERESTART; 2841 break; 2842 case IEEE80211_IOC_PROTMODE: 2843 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2844 return EINVAL; 2845 ic->ic_protmode = (enum ieee80211_protmode)ireq->i_val; 2846 /* NB: if not operating in 11g this can wait */ 2847 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2848 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2849 error = ERESTART; 2850 break; 2851 case IEEE80211_IOC_TXPOWER: 2852 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2853 return EOPNOTSUPP; 2854 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2855 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2856 return EINVAL; 2857 ic->ic_txpowlimit = ireq->i_val; 2858 error = ERESTART; 2859 break; 2860 case IEEE80211_IOC_ROAMING: 2861 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2862 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2863 return EINVAL; 2864 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val; 2865 /* XXXX reset? */ 2866 break; 2867 case IEEE80211_IOC_PRIVACY: 2868 if (ireq->i_val) { 2869 /* XXX check for key state? */ 2870 vap->iv_flags |= IEEE80211_F_PRIVACY; 2871 } else 2872 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2873 /* XXX ERESTART? */ 2874 break; 2875 case IEEE80211_IOC_DROPUNENCRYPTED: 2876 if (ireq->i_val) 2877 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2878 else 2879 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2880 /* XXX ERESTART? */ 2881 break; 2882 case IEEE80211_IOC_WPAKEY: 2883 error = ieee80211_ioctl_setkey(vap, ireq); 2884 break; 2885 case IEEE80211_IOC_DELKEY: 2886 error = ieee80211_ioctl_delkey(vap, ireq); 2887 break; 2888 case IEEE80211_IOC_MLME: 2889 error = ieee80211_ioctl_setmlme(vap, ireq); 2890 break; 2891 case IEEE80211_IOC_COUNTERMEASURES: 2892 if (ireq->i_val) { 2893 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2894 return EOPNOTSUPP; 2895 vap->iv_flags |= IEEE80211_F_COUNTERM; 2896 } else 2897 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2898 /* XXX ERESTART? */ 2899 break; 2900 case IEEE80211_IOC_WPA: 2901 if (ireq->i_val > 3) 2902 return EINVAL; 2903 /* XXX verify ciphers available */ 2904 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2905 switch (ireq->i_val) { 2906 case 0: 2907 /* wpa_supplicant calls this to clear the WPA config */ 2908 break; 2909 case 1: 2910 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2911 return EOPNOTSUPP; 2912 flags |= IEEE80211_F_WPA1; 2913 break; 2914 case 2: 2915 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2916 return EOPNOTSUPP; 2917 flags |= IEEE80211_F_WPA2; 2918 break; 2919 case 3: 2920 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2921 return EOPNOTSUPP; 2922 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2923 break; 2924 default: /* Can't set any -> error */ 2925 return EOPNOTSUPP; 2926 } 2927 vap->iv_flags = flags; 2928 error = ERESTART; /* NB: can change beacon frame */ 2929 break; 2930 case IEEE80211_IOC_WME: 2931 if (ireq->i_val) { 2932 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 2933 return EOPNOTSUPP; 2934 ieee80211_syncflag(vap, IEEE80211_F_WME); 2935 } else 2936 ieee80211_syncflag(vap, -IEEE80211_F_WME); 2937 error = ERESTART; /* NB: can change beacon frame */ 2938 break; 2939 case IEEE80211_IOC_HIDESSID: 2940 if (ireq->i_val) 2941 vap->iv_flags |= IEEE80211_F_HIDESSID; 2942 else 2943 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 2944 error = ERESTART; /* XXX ENETRESET? */ 2945 break; 2946 case IEEE80211_IOC_APBRIDGE: 2947 if (ireq->i_val == 0) 2948 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 2949 else 2950 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 2951 break; 2952 case IEEE80211_IOC_BSSID: 2953 if (ireq->i_len != sizeof(tmpbssid)) 2954 return EINVAL; 2955 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 2956 if (error) 2957 break; 2958 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 2959 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 2960 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 2961 else 2962 vap->iv_flags |= IEEE80211_F_DESBSSID; 2963 error = ENETRESET; 2964 break; 2965 case IEEE80211_IOC_CHANLIST: 2966 error = ieee80211_ioctl_setchanlist(vap, ireq); 2967 break; 2968 #define OLD_IEEE80211_IOC_SCAN_REQ 23 2969 #ifdef OLD_IEEE80211_IOC_SCAN_REQ 2970 case OLD_IEEE80211_IOC_SCAN_REQ: 2971 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2972 "%s: active scan request\n", __func__); 2973 /* 2974 * If we are in INIT state then the driver has never 2975 * had a chance to setup hardware state to do a scan; 2976 * use the state machine to get us up the SCAN state. 2977 * Otherwise just invoke the scan machinery to start 2978 * a one-time scan. 2979 */ 2980 if (vap->iv_state == IEEE80211_S_INIT) 2981 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2982 else 2983 (void) ieee80211_start_scan(vap, 2984 IEEE80211_SCAN_ACTIVE | 2985 IEEE80211_SCAN_NOPICK | 2986 IEEE80211_SCAN_ONCE, 2987 IEEE80211_SCAN_FOREVER, 0, 0, 2988 /* XXX use ioctl params */ 2989 vap->iv_des_nssid, vap->iv_des_ssid); 2990 break; 2991 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 2992 case IEEE80211_IOC_SCAN_REQ: 2993 error = ieee80211_ioctl_scanreq(vap, ireq); 2994 break; 2995 case IEEE80211_IOC_SCAN_CANCEL: 2996 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2997 "%s: cancel scan\n", __func__); 2998 ieee80211_cancel_scan(vap); 2999 break; 3000 case IEEE80211_IOC_HTCONF: 3001 if (ireq->i_val & 1) 3002 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 3003 else 3004 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 3005 if (ireq->i_val & 2) 3006 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 3007 else 3008 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 3009 error = ENETRESET; 3010 break; 3011 case IEEE80211_IOC_ADDMAC: 3012 case IEEE80211_IOC_DELMAC: 3013 error = ieee80211_ioctl_macmac(vap, ireq); 3014 break; 3015 case IEEE80211_IOC_MACCMD: 3016 error = ieee80211_ioctl_setmaccmd(vap, ireq); 3017 break; 3018 case IEEE80211_IOC_STA_STATS: 3019 error = ieee80211_ioctl_setstastats(vap, ireq); 3020 break; 3021 case IEEE80211_IOC_STA_TXPOW: 3022 error = ieee80211_ioctl_setstatxpow(vap, ireq); 3023 break; 3024 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 3025 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 3026 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 3027 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 3028 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 3029 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 3030 error = ieee80211_ioctl_setwmeparam(vap, ireq); 3031 break; 3032 case IEEE80211_IOC_DTIM_PERIOD: 3033 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3034 vap->iv_opmode != IEEE80211_M_MBSS && 3035 vap->iv_opmode != IEEE80211_M_IBSS) 3036 return EINVAL; 3037 if (IEEE80211_DTIM_MIN <= ireq->i_val && 3038 ireq->i_val <= IEEE80211_DTIM_MAX) { 3039 vap->iv_dtim_period = ireq->i_val; 3040 error = ENETRESET; /* requires restart */ 3041 } else 3042 error = EINVAL; 3043 break; 3044 case IEEE80211_IOC_BEACON_INTERVAL: 3045 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3046 vap->iv_opmode != IEEE80211_M_MBSS && 3047 vap->iv_opmode != IEEE80211_M_IBSS) 3048 return EINVAL; 3049 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 3050 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 3051 ic->ic_bintval = ireq->i_val; 3052 error = ENETRESET; /* requires restart */ 3053 } else 3054 error = EINVAL; 3055 break; 3056 case IEEE80211_IOC_PUREG: 3057 if (ireq->i_val) 3058 vap->iv_flags |= IEEE80211_F_PUREG; 3059 else 3060 vap->iv_flags &= ~IEEE80211_F_PUREG; 3061 /* NB: reset only if we're operating on an 11g channel */ 3062 if (isvap11g(vap)) 3063 error = ENETRESET; 3064 break; 3065 case IEEE80211_IOC_QUIET: 3066 vap->iv_quiet= ireq->i_val; 3067 break; 3068 case IEEE80211_IOC_QUIET_COUNT: 3069 vap->iv_quiet_count=ireq->i_val; 3070 break; 3071 case IEEE80211_IOC_QUIET_PERIOD: 3072 vap->iv_quiet_period=ireq->i_val; 3073 break; 3074 case IEEE80211_IOC_QUIET_OFFSET: 3075 vap->iv_quiet_offset=ireq->i_val; 3076 break; 3077 case IEEE80211_IOC_QUIET_DUR: 3078 if(ireq->i_val < vap->iv_bss->ni_intval) 3079 vap->iv_quiet_duration = ireq->i_val; 3080 else 3081 error = EINVAL; 3082 break; 3083 case IEEE80211_IOC_BGSCAN: 3084 if (ireq->i_val) { 3085 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 3086 return EOPNOTSUPP; 3087 vap->iv_flags |= IEEE80211_F_BGSCAN; 3088 } else 3089 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 3090 break; 3091 case IEEE80211_IOC_BGSCAN_IDLE: 3092 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 3093 vap->iv_bgscanidle = ireq->i_val*hz/1000; 3094 else 3095 error = EINVAL; 3096 break; 3097 case IEEE80211_IOC_BGSCAN_INTERVAL: 3098 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 3099 vap->iv_bgscanintvl = ireq->i_val*hz; 3100 else 3101 error = EINVAL; 3102 break; 3103 case IEEE80211_IOC_SCANVALID: 3104 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 3105 vap->iv_scanvalid = ireq->i_val*hz; 3106 else 3107 error = EINVAL; 3108 break; 3109 case IEEE80211_IOC_FRAGTHRESHOLD: 3110 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 3111 ireq->i_val != IEEE80211_FRAG_MAX) 3112 return EOPNOTSUPP; 3113 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 3114 ireq->i_val <= IEEE80211_FRAG_MAX)) 3115 return EINVAL; 3116 vap->iv_fragthreshold = ireq->i_val; 3117 error = ERESTART; 3118 break; 3119 case IEEE80211_IOC_BURST: 3120 if (ireq->i_val) { 3121 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 3122 return EOPNOTSUPP; 3123 ieee80211_syncflag(vap, IEEE80211_F_BURST); 3124 } else 3125 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 3126 error = ERESTART; 3127 break; 3128 case IEEE80211_IOC_BMISSTHRESHOLD: 3129 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 3130 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 3131 return EINVAL; 3132 vap->iv_bmissthreshold = ireq->i_val; 3133 error = ERESTART; 3134 break; 3135 case IEEE80211_IOC_CURCHAN: 3136 error = ieee80211_ioctl_setcurchan(vap, ireq); 3137 break; 3138 case IEEE80211_IOC_SHORTGI: 3139 if (ireq->i_val) { 3140 #define IEEE80211_HTCAP_SHORTGI \ 3141 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 3142 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 3143 return EINVAL; 3144 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 3145 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 3146 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 3147 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 3148 #undef IEEE80211_HTCAP_SHORTGI 3149 } else 3150 vap->iv_flags_ht &= 3151 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 3152 error = ERESTART; 3153 break; 3154 case IEEE80211_IOC_AMPDU: 3155 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 3156 return EINVAL; 3157 if (ireq->i_val & 1) 3158 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 3159 else 3160 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 3161 if (ireq->i_val & 2) 3162 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 3163 else 3164 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 3165 /* NB: reset only if we're operating on an 11n channel */ 3166 if (isvapht(vap)) 3167 error = ERESTART; 3168 break; 3169 case IEEE80211_IOC_AMPDU_LIMIT: 3170 /* XXX TODO: figure out ampdu_limit versus ampdu_rxmax */ 3171 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 3172 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 3173 return EINVAL; 3174 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 3175 vap->iv_ampdu_rxmax = ireq->i_val; 3176 else 3177 vap->iv_ampdu_limit = ireq->i_val; 3178 error = ERESTART; 3179 break; 3180 case IEEE80211_IOC_AMPDU_DENSITY: 3181 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 3182 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 3183 return EINVAL; 3184 vap->iv_ampdu_density = ireq->i_val; 3185 error = ERESTART; 3186 break; 3187 case IEEE80211_IOC_AMSDU: 3188 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 3189 return EINVAL; 3190 if (ireq->i_val & 1) 3191 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 3192 else 3193 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 3194 if (ireq->i_val & 2) 3195 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 3196 else 3197 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 3198 /* NB: reset only if we're operating on an 11n channel */ 3199 if (isvapht(vap)) 3200 error = ERESTART; 3201 break; 3202 case IEEE80211_IOC_AMSDU_LIMIT: 3203 /* XXX validate */ 3204 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 3205 break; 3206 case IEEE80211_IOC_PUREN: 3207 if (ireq->i_val) { 3208 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3209 return EINVAL; 3210 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3211 } else 3212 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3213 /* NB: reset only if we're operating on an 11n channel */ 3214 if (isvapht(vap)) 3215 error = ERESTART; 3216 break; 3217 case IEEE80211_IOC_DOTH: 3218 if (ireq->i_val) { 3219 #if 0 3220 /* XXX no capability */ 3221 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3222 return EOPNOTSUPP; 3223 #endif 3224 vap->iv_flags |= IEEE80211_F_DOTH; 3225 } else 3226 vap->iv_flags &= ~IEEE80211_F_DOTH; 3227 error = ENETRESET; 3228 break; 3229 case IEEE80211_IOC_REGDOMAIN: 3230 error = ieee80211_ioctl_setregdomain(vap, ireq); 3231 break; 3232 case IEEE80211_IOC_ROAM: 3233 error = ieee80211_ioctl_setroam(vap, ireq); 3234 break; 3235 case IEEE80211_IOC_TXPARAMS: 3236 error = ieee80211_ioctl_settxparams(vap, ireq); 3237 break; 3238 case IEEE80211_IOC_HTCOMPAT: 3239 if (ireq->i_val) { 3240 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3241 return EOPNOTSUPP; 3242 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3243 } else 3244 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 3245 /* NB: reset only if we're operating on an 11n channel */ 3246 if (isvapht(vap)) 3247 error = ERESTART; 3248 break; 3249 case IEEE80211_IOC_DWDS: 3250 if (ireq->i_val) { 3251 /* NB: DWDS only makes sense for WDS-capable devices */ 3252 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3253 return EOPNOTSUPP; 3254 /* NB: DWDS is used only with ap+sta vaps */ 3255 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3256 vap->iv_opmode != IEEE80211_M_STA) 3257 return EINVAL; 3258 vap->iv_flags |= IEEE80211_F_DWDS; 3259 if (vap->iv_opmode == IEEE80211_M_STA) 3260 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3261 } else { 3262 vap->iv_flags &= ~IEEE80211_F_DWDS; 3263 if (vap->iv_opmode == IEEE80211_M_STA) 3264 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3265 } 3266 break; 3267 case IEEE80211_IOC_INACTIVITY: 3268 if (ireq->i_val) 3269 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3270 else 3271 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3272 break; 3273 case IEEE80211_IOC_APPIE: 3274 error = ieee80211_ioctl_setappie(vap, ireq); 3275 break; 3276 case IEEE80211_IOC_WPS: 3277 if (ireq->i_val) { 3278 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3279 return EOPNOTSUPP; 3280 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3281 } else 3282 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3283 break; 3284 case IEEE80211_IOC_TSN: 3285 if (ireq->i_val) { 3286 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3287 return EOPNOTSUPP; 3288 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3289 } else 3290 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3291 break; 3292 case IEEE80211_IOC_CHANSWITCH: 3293 error = ieee80211_ioctl_chanswitch(vap, ireq); 3294 break; 3295 case IEEE80211_IOC_DFS: 3296 if (ireq->i_val) { 3297 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3298 return EOPNOTSUPP; 3299 /* NB: DFS requires 11h support */ 3300 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3301 return EINVAL; 3302 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3303 } else 3304 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3305 break; 3306 case IEEE80211_IOC_DOTD: 3307 if (ireq->i_val) 3308 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3309 else 3310 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3311 if (vap->iv_opmode == IEEE80211_M_STA) 3312 error = ENETRESET; 3313 break; 3314 case IEEE80211_IOC_HTPROTMODE: 3315 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3316 return EINVAL; 3317 ic->ic_htprotmode = ireq->i_val ? 3318 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3319 /* NB: if not operating in 11n this can wait */ 3320 if (isvapht(vap)) 3321 error = ERESTART; 3322 break; 3323 case IEEE80211_IOC_STA_VLAN: 3324 error = ieee80211_ioctl_setstavlan(vap, ireq); 3325 break; 3326 case IEEE80211_IOC_SMPS: 3327 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3328 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3329 return EINVAL; 3330 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3331 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3332 return EOPNOTSUPP; 3333 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3334 ireq->i_val; 3335 /* NB: if not operating in 11n this can wait */ 3336 if (isvapht(vap)) 3337 error = ERESTART; 3338 break; 3339 case IEEE80211_IOC_RIFS: 3340 if (ireq->i_val != 0) { 3341 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3342 return EOPNOTSUPP; 3343 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3344 } else 3345 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3346 /* NB: if not operating in 11n this can wait */ 3347 if (isvapht(vap)) 3348 error = ERESTART; 3349 break; 3350 case IEEE80211_IOC_STBC: 3351 /* Check if we can do STBC TX/RX before changing the setting */ 3352 if ((ireq->i_val & 1) && 3353 ((vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) == 0)) 3354 return EOPNOTSUPP; 3355 if ((ireq->i_val & 2) && 3356 ((vap->iv_htcaps & IEEE80211_HTCAP_RXSTBC) == 0)) 3357 return EOPNOTSUPP; 3358 3359 /* TX */ 3360 if (ireq->i_val & 1) 3361 vap->iv_flags_ht |= IEEE80211_FHT_STBC_TX; 3362 else 3363 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_TX; 3364 3365 /* RX */ 3366 if (ireq->i_val & 2) 3367 vap->iv_flags_ht |= IEEE80211_FHT_STBC_RX; 3368 else 3369 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_RX; 3370 3371 /* NB: reset only if we're operating on an 11n channel */ 3372 if (isvapht(vap)) 3373 error = ERESTART; 3374 break; 3375 3376 /* VHT */ 3377 case IEEE80211_IOC_VHTCONF: 3378 if (ireq->i_val & 1) 3379 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_VHT); 3380 else 3381 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_VHT); 3382 3383 if (ireq->i_val & 2) 3384 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT40); 3385 else 3386 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT40); 3387 3388 if (ireq->i_val & 4) 3389 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80); 3390 else 3391 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80); 3392 3393 if (ireq->i_val & 8) 3394 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80P80); 3395 else 3396 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80P80); 3397 3398 if (ireq->i_val & 16) 3399 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT160); 3400 else 3401 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT160); 3402 3403 error = ENETRESET; 3404 break; 3405 3406 default: 3407 error = ieee80211_ioctl_setdefault(vap, ireq); 3408 break; 3409 } 3410 /* 3411 * The convention is that ENETRESET means an operation 3412 * requires a complete re-initialization of the device (e.g. 3413 * changing something that affects the association state). 3414 * ERESTART means the request may be handled with only a 3415 * reload of the hardware state. We hand ERESTART requests 3416 * to the iv_reset callback so the driver can decide. If 3417 * a device does not fillin iv_reset then it defaults to one 3418 * that returns ENETRESET. Otherwise a driver may return 3419 * ENETRESET (in which case a full reset will be done) or 3420 * 0 to mean there's no need to do anything (e.g. when the 3421 * change has no effect on the driver/device). 3422 */ 3423 if (error == ERESTART) 3424 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3425 vap->iv_reset(vap, ireq->i_type) : 0; 3426 if (error == ENETRESET) { 3427 /* XXX need to re-think AUTO handling */ 3428 if (IS_UP_AUTO(vap)) 3429 ieee80211_init(vap); 3430 error = 0; 3431 } 3432 return error; 3433 } 3434 3435 int 3436 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3437 { 3438 struct ieee80211vap *vap = ifp->if_softc; 3439 struct ieee80211com *ic = vap->iv_ic; 3440 int error = 0, wait = 0; 3441 struct ifreq *ifr; 3442 struct ifaddr *ifa; /* XXX */ 3443 3444 switch (cmd) { 3445 case SIOCSIFFLAGS: 3446 IEEE80211_LOCK(ic); 3447 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_PROMISC) { 3448 /* 3449 * Enable promiscuous mode when: 3450 * 1. Interface is not a member of bridge, or 3451 * 2. Requested by user, or 3452 * 3. In monitor (or adhoc-demo) mode. 3453 */ 3454 if (ifp->if_bridge == NULL || 3455 (ifp->if_flags & IFF_PPROMISC) != 0 || 3456 vap->iv_opmode == IEEE80211_M_MONITOR || 3457 (vap->iv_opmode == IEEE80211_M_AHDEMO && 3458 (vap->iv_caps & IEEE80211_C_TDMA) == 0)) { 3459 ieee80211_promisc(vap, 3460 ifp->if_flags & IFF_PROMISC); 3461 vap->iv_ifflags ^= IFF_PROMISC; 3462 } 3463 } 3464 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_ALLMULTI) { 3465 ieee80211_allmulti(vap, ifp->if_flags & IFF_ALLMULTI); 3466 vap->iv_ifflags ^= IFF_ALLMULTI; 3467 } 3468 if (ifp->if_flags & IFF_UP) { 3469 /* 3470 * Bring ourself up unless we're already operational. 3471 * If we're the first vap and the parent is not up 3472 * then it will automatically be brought up as a 3473 * side-effect of bringing ourself up. 3474 */ 3475 if (vap->iv_state == IEEE80211_S_INIT) { 3476 if (ic->ic_nrunning == 0) 3477 wait = 1; 3478 ieee80211_start_locked(vap); 3479 } 3480 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 3481 /* 3482 * Stop ourself. If we are the last vap to be 3483 * marked down the parent will also be taken down. 3484 */ 3485 if (ic->ic_nrunning == 1) 3486 wait = 1; 3487 ieee80211_stop_locked(vap); 3488 } 3489 IEEE80211_UNLOCK(ic); 3490 /* Wait for parent ioctl handler if it was queued */ 3491 if (wait) { 3492 ieee80211_waitfor_parent(ic); 3493 3494 /* 3495 * Check if the MAC address was changed 3496 * via SIOCSIFLLADDR ioctl. 3497 */ 3498 if_addr_rlock(ifp); 3499 if ((ifp->if_flags & IFF_UP) == 0 && 3500 !IEEE80211_ADDR_EQ(vap->iv_myaddr, IF_LLADDR(ifp))) 3501 IEEE80211_ADDR_COPY(vap->iv_myaddr, 3502 IF_LLADDR(ifp)); 3503 if_addr_runlock(ifp); 3504 } 3505 break; 3506 case SIOCADDMULTI: 3507 case SIOCDELMULTI: 3508 ieee80211_runtask(ic, &ic->ic_mcast_task); 3509 break; 3510 case SIOCSIFMEDIA: 3511 case SIOCGIFMEDIA: 3512 ifr = (struct ifreq *)data; 3513 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3514 break; 3515 case SIOCG80211: 3516 error = ieee80211_ioctl_get80211(vap, cmd, 3517 (struct ieee80211req *) data); 3518 break; 3519 case SIOCS80211: 3520 error = priv_check(curthread, PRIV_NET80211_MANAGE); 3521 if (error == 0) 3522 error = ieee80211_ioctl_set80211(vap, cmd, 3523 (struct ieee80211req *) data); 3524 break; 3525 case SIOCG80211STATS: 3526 ifr = (struct ifreq *)data; 3527 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats)); 3528 break; 3529 case SIOCSIFMTU: 3530 ifr = (struct ifreq *)data; 3531 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3532 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3533 error = EINVAL; 3534 else 3535 ifp->if_mtu = ifr->ifr_mtu; 3536 break; 3537 case SIOCSIFADDR: 3538 /* 3539 * XXX Handle this directly so we can suppress if_init calls. 3540 * XXX This should be done in ether_ioctl but for the moment 3541 * XXX there are too many other parts of the system that 3542 * XXX set IFF_UP and so suppress if_init being called when 3543 * XXX it should be. 3544 */ 3545 ifa = (struct ifaddr *) data; 3546 switch (ifa->ifa_addr->sa_family) { 3547 #ifdef INET 3548 case AF_INET: 3549 if ((ifp->if_flags & IFF_UP) == 0) { 3550 ifp->if_flags |= IFF_UP; 3551 ifp->if_init(ifp->if_softc); 3552 } 3553 arp_ifinit(ifp, ifa); 3554 break; 3555 #endif 3556 default: 3557 if ((ifp->if_flags & IFF_UP) == 0) { 3558 ifp->if_flags |= IFF_UP; 3559 ifp->if_init(ifp->if_softc); 3560 } 3561 break; 3562 } 3563 break; 3564 default: 3565 /* 3566 * Pass unknown ioctls first to the driver, and if it 3567 * returns ENOTTY, then to the generic Ethernet handler. 3568 */ 3569 if (ic->ic_ioctl != NULL && 3570 (error = ic->ic_ioctl(ic, cmd, data)) != ENOTTY) 3571 break; 3572 error = ether_ioctl(ifp, cmd, data); 3573 break; 3574 } 3575 return (error); 3576 } 3577