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 <netproto/802_11/ieee80211_var.h> 58 #include <netproto/802_11/ieee80211_ioctl.h> 59 #include <netproto/802_11/ieee80211_regdomain.h> 60 #include <netproto/802_11/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 #if defined(__DragonFly__) 163 wpaie = kmalloc(sizeof(*wpaie), M_TEMP, M_INTWAIT | M_ZERO); 164 #else 165 wpaie = IEEE80211_MALLOC(sizeof(*wpaie), M_TEMP, 166 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 167 #endif 168 if (wpaie == NULL) 169 return ENOMEM; 170 error = copyin(ireq->i_data, wpaie->wpa_macaddr, IEEE80211_ADDR_LEN); 171 if (error != 0) 172 goto bad; 173 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie->wpa_macaddr); 174 if (ni == NULL) { 175 error = ENOENT; 176 goto bad; 177 } 178 if (ni->ni_ies.wpa_ie != NULL) { 179 int ielen = ni->ni_ies.wpa_ie[1] + 2; 180 if (ielen > sizeof(wpaie->wpa_ie)) 181 ielen = sizeof(wpaie->wpa_ie); 182 memcpy(wpaie->wpa_ie, ni->ni_ies.wpa_ie, ielen); 183 } 184 if (req == IEEE80211_IOC_WPAIE2) { 185 if (ni->ni_ies.rsn_ie != NULL) { 186 int ielen = ni->ni_ies.rsn_ie[1] + 2; 187 if (ielen > sizeof(wpaie->rsn_ie)) 188 ielen = sizeof(wpaie->rsn_ie); 189 memcpy(wpaie->rsn_ie, ni->ni_ies.rsn_ie, ielen); 190 } 191 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2)) 192 ireq->i_len = sizeof(struct ieee80211req_wpaie2); 193 } else { 194 /* compatibility op, may overwrite wpa ie */ 195 /* XXX check ic_flags? */ 196 if (ni->ni_ies.rsn_ie != NULL) { 197 int ielen = ni->ni_ies.rsn_ie[1] + 2; 198 if (ielen > sizeof(wpaie->wpa_ie)) 199 ielen = sizeof(wpaie->wpa_ie); 200 memcpy(wpaie->wpa_ie, ni->ni_ies.rsn_ie, ielen); 201 } 202 if (ireq->i_len > sizeof(struct ieee80211req_wpaie)) 203 ireq->i_len = sizeof(struct ieee80211req_wpaie); 204 } 205 ieee80211_free_node(ni); 206 error = copyout(wpaie, ireq->i_data, ireq->i_len); 207 bad: 208 IEEE80211_FREE(wpaie, M_TEMP); 209 return error; 210 } 211 212 static int 213 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 214 { 215 struct ieee80211_node *ni; 216 uint8_t macaddr[IEEE80211_ADDR_LEN]; 217 const size_t off = __offsetof(struct ieee80211req_sta_stats, is_stats); 218 int error; 219 220 if (ireq->i_len < off) 221 return EINVAL; 222 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 223 if (error != 0) 224 return error; 225 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 226 if (ni == NULL) 227 return ENOENT; 228 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 229 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 230 /* NB: copy out only the statistics */ 231 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off, 232 ireq->i_len - off); 233 ieee80211_free_node(ni); 234 return error; 235 } 236 237 struct scanreq { 238 struct ieee80211req_scan_result *sr; 239 size_t space; 240 }; 241 242 static size_t 243 scan_space(const struct ieee80211_scan_entry *se, int *ielen) 244 { 245 size_t len; 246 247 *ielen = se->se_ies.len; 248 /* 249 * NB: ie's can be no more than 255 bytes and the max 802.11 250 * packet is <3Kbytes so we are sure this doesn't overflow 251 * 16-bits; if this is a concern we can drop the ie's. 252 */ 253 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + 254 se->se_meshid[1] + *ielen; 255 return roundup(len, sizeof(uint32_t)); 256 } 257 258 static void 259 get_scan_space(void *arg, const struct ieee80211_scan_entry *se) 260 { 261 struct scanreq *req = arg; 262 int ielen; 263 264 req->space += scan_space(se, &ielen); 265 } 266 267 static void 268 get_scan_result(void *arg, const struct ieee80211_scan_entry *se) 269 { 270 struct scanreq *req = arg; 271 struct ieee80211req_scan_result *sr; 272 int ielen, len, nr, nxr; 273 uint8_t *cp; 274 275 len = scan_space(se, &ielen); 276 if (len > req->space) 277 return; 278 279 sr = req->sr; 280 KASSERT(len <= 65535 && ielen <= 65535, 281 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen)); 282 sr->isr_len = len; 283 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result); 284 sr->isr_ie_len = ielen; 285 sr->isr_freq = se->se_chan->ic_freq; 286 sr->isr_flags = se->se_chan->ic_flags; 287 sr->isr_rssi = se->se_rssi; 288 sr->isr_noise = se->se_noise; 289 sr->isr_intval = se->se_intval; 290 sr->isr_capinfo = se->se_capinfo; 291 sr->isr_erp = se->se_erp; 292 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid); 293 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE); 294 memcpy(sr->isr_rates, se->se_rates+2, nr); 295 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr); 296 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr); 297 sr->isr_nrates = nr + nxr; 298 299 /* copy SSID */ 300 sr->isr_ssid_len = se->se_ssid[1]; 301 cp = ((uint8_t *)sr) + sr->isr_ie_off; 302 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len); 303 304 /* copy mesh id */ 305 cp += sr->isr_ssid_len; 306 sr->isr_meshid_len = se->se_meshid[1]; 307 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len); 308 cp += sr->isr_meshid_len; 309 310 if (ielen) 311 memcpy(cp, se->se_ies.data, ielen); 312 313 req->space -= len; 314 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len); 315 } 316 317 static int 318 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap, 319 struct ieee80211req *ireq) 320 { 321 struct scanreq req; 322 int error; 323 324 if (ireq->i_len < sizeof(struct scanreq)) 325 return EFAULT; 326 327 error = 0; 328 req.space = 0; 329 ieee80211_scan_iterate(vap, get_scan_space, &req); 330 if (req.space > ireq->i_len) 331 req.space = ireq->i_len; 332 if (req.space > 0) { 333 uint32_t space; 334 void *p; 335 336 space = req.space; 337 /* XXX M_WAITOK after driver lock released */ 338 #if defined(__DragonFly__) 339 p = kmalloc(space, M_TEMP, M_INTWAIT | M_ZERO); 340 #else 341 p = IEEE80211_MALLOC(space, M_TEMP, 342 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 343 #endif 344 if (p == NULL) 345 return ENOMEM; 346 req.sr = p; 347 ieee80211_scan_iterate(vap, get_scan_result, &req); 348 ireq->i_len = space - req.space; 349 error = copyout(p, ireq->i_data, ireq->i_len); 350 IEEE80211_FREE(p, M_TEMP); 351 } else 352 ireq->i_len = 0; 353 354 return error; 355 } 356 357 struct stainforeq { 358 struct ieee80211vap *vap; 359 struct ieee80211req_sta_info *si; 360 size_t space; 361 }; 362 363 static size_t 364 sta_space(const struct ieee80211_node *ni, size_t *ielen) 365 { 366 *ielen = ni->ni_ies.len; 367 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, 368 sizeof(uint32_t)); 369 } 370 371 static void 372 get_sta_space(void *arg, struct ieee80211_node *ni) 373 { 374 struct stainforeq *req = arg; 375 size_t ielen; 376 377 if (req->vap != ni->ni_vap) 378 return; 379 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP && 380 ni->ni_associd == 0) /* only associated stations */ 381 return; 382 req->space += sta_space(ni, &ielen); 383 } 384 385 static void 386 get_sta_info(void *arg, struct ieee80211_node *ni) 387 { 388 struct stainforeq *req = arg; 389 struct ieee80211vap *vap = ni->ni_vap; 390 struct ieee80211req_sta_info *si; 391 size_t ielen, len; 392 uint8_t *cp; 393 394 if (req->vap != ni->ni_vap) 395 return; 396 if (vap->iv_opmode == IEEE80211_M_HOSTAP && 397 ni->ni_associd == 0) /* only associated stations */ 398 return; 399 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 400 return; 401 len = sta_space(ni, &ielen); 402 if (len > req->space) 403 return; 404 si = req->si; 405 si->isi_len = len; 406 si->isi_ie_off = sizeof(struct ieee80211req_sta_info); 407 si->isi_ie_len = ielen; 408 si->isi_freq = ni->ni_chan->ic_freq; 409 si->isi_flags = ni->ni_chan->ic_flags; 410 si->isi_state = ni->ni_flags; 411 si->isi_authmode = ni->ni_authmode; 412 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise); 413 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo); 414 si->isi_capinfo = ni->ni_capinfo; 415 si->isi_erp = ni->ni_erp; 416 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 417 si->isi_nrates = ni->ni_rates.rs_nrates; 418 if (si->isi_nrates > 15) 419 si->isi_nrates = 15; 420 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 421 si->isi_txrate = ni->ni_txrate; 422 if (si->isi_txrate & IEEE80211_RATE_MCS) { 423 const struct ieee80211_mcs_rates *mcs = 424 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS]; 425 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) { 426 if (ni->ni_flags & IEEE80211_NODE_SGI40) 427 si->isi_txmbps = mcs->ht40_rate_800ns; 428 else 429 si->isi_txmbps = mcs->ht40_rate_400ns; 430 } else { 431 if (ni->ni_flags & IEEE80211_NODE_SGI20) 432 si->isi_txmbps = mcs->ht20_rate_800ns; 433 else 434 si->isi_txmbps = mcs->ht20_rate_400ns; 435 } 436 } else 437 si->isi_txmbps = si->isi_txrate; 438 si->isi_associd = ni->ni_associd; 439 si->isi_txpower = ni->ni_txpower; 440 si->isi_vlan = ni->ni_vlan; 441 if (ni->ni_flags & IEEE80211_NODE_QOS) { 442 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 443 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 444 } else { 445 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID]; 446 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID]; 447 } 448 /* NB: leave all cases in case we relax ni_associd == 0 check */ 449 if (ieee80211_node_is_authorized(ni)) 450 si->isi_inact = vap->iv_inact_run; 451 else if (ni->ni_associd != 0 || 452 (vap->iv_opmode == IEEE80211_M_WDS && 453 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY))) 454 si->isi_inact = vap->iv_inact_auth; 455 else 456 si->isi_inact = vap->iv_inact_init; 457 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 458 si->isi_localid = ni->ni_mllid; 459 si->isi_peerid = ni->ni_mlpid; 460 si->isi_peerstate = ni->ni_mlstate; 461 462 if (ielen) { 463 cp = ((uint8_t *)si) + si->isi_ie_off; 464 memcpy(cp, ni->ni_ies.data, ielen); 465 } 466 467 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len); 468 req->space -= len; 469 } 470 471 static int 472 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq, 473 struct ieee80211_node *ni, size_t off) 474 { 475 struct ieee80211com *ic = vap->iv_ic; 476 struct stainforeq req; 477 size_t space; 478 void *p; 479 int error; 480 481 error = 0; 482 req.space = 0; 483 req.vap = vap; 484 if (ni == NULL) 485 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req); 486 else 487 get_sta_space(&req, ni); 488 if (req.space > ireq->i_len) 489 req.space = ireq->i_len; 490 if (req.space > 0) { 491 space = req.space; 492 /* XXX M_WAITOK after driver lock released */ 493 #if defined(__DragonFly__) 494 p = kmalloc(space, M_TEMP, M_INTWAIT | M_ZERO); 495 #else 496 p = IEEE80211_MALLOC(space, M_TEMP, 497 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 498 #endif 499 if (p == NULL) { 500 error = ENOMEM; 501 goto bad; 502 } 503 req.si = p; 504 if (ni == NULL) 505 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req); 506 else 507 get_sta_info(&req, ni); 508 ireq->i_len = space - req.space; 509 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len); 510 IEEE80211_FREE(p, M_TEMP); 511 } else 512 ireq->i_len = 0; 513 bad: 514 if (ni != NULL) 515 ieee80211_free_node(ni); 516 return error; 517 } 518 519 static int 520 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 521 { 522 uint8_t macaddr[IEEE80211_ADDR_LEN]; 523 const size_t off = __offsetof(struct ieee80211req_sta_req, info); 524 struct ieee80211_node *ni; 525 int error; 526 527 if (ireq->i_len < sizeof(struct ieee80211req_sta_req)) 528 return EFAULT; 529 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 530 if (error != 0) 531 return error; 532 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) { 533 ni = NULL; 534 } else { 535 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 536 if (ni == NULL) 537 return ENOENT; 538 } 539 return getstainfo_common(vap, ireq, ni, off); 540 } 541 542 static int 543 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 544 { 545 struct ieee80211_node *ni; 546 struct ieee80211req_sta_txpow txpow; 547 int error; 548 549 if (ireq->i_len != sizeof(txpow)) 550 return EINVAL; 551 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 552 if (error != 0) 553 return error; 554 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 555 if (ni == NULL) 556 return ENOENT; 557 txpow.it_txpow = ni->ni_txpower; 558 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 559 ieee80211_free_node(ni); 560 return error; 561 } 562 563 static int 564 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 565 { 566 struct ieee80211com *ic = vap->iv_ic; 567 struct ieee80211_wme_state *wme = &ic->ic_wme; 568 struct wmeParams *wmep; 569 int ac; 570 571 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 572 return EINVAL; 573 574 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 575 if (ac >= WME_NUM_AC) 576 ac = WME_AC_BE; 577 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 578 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 579 else 580 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 581 switch (ireq->i_type) { 582 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 583 ireq->i_val = wmep->wmep_logcwmin; 584 break; 585 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 586 ireq->i_val = wmep->wmep_logcwmax; 587 break; 588 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 589 ireq->i_val = wmep->wmep_aifsn; 590 break; 591 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 592 ireq->i_val = wmep->wmep_txopLimit; 593 break; 594 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 595 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 596 ireq->i_val = wmep->wmep_acm; 597 break; 598 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 599 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 600 ireq->i_val = !wmep->wmep_noackPolicy; 601 break; 602 } 603 return 0; 604 } 605 606 static int 607 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 608 { 609 const struct ieee80211_aclator *acl = vap->iv_acl; 610 611 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq)); 612 } 613 614 static int 615 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq) 616 { 617 struct ieee80211com *ic = vap->iv_ic; 618 struct ieee80211_channel *c; 619 620 if (ireq->i_len != sizeof(struct ieee80211_channel)) 621 return EINVAL; 622 /* 623 * vap's may have different operating channels when HT is 624 * in use. When in RUN state report the vap-specific channel. 625 * Otherwise return curchan. 626 */ 627 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 628 c = vap->iv_bss->ni_chan; 629 else 630 c = ic->ic_curchan; 631 return copyout(c, ireq->i_data, sizeof(*c)); 632 } 633 634 static int 635 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq) 636 { 637 if (aie == NULL) 638 return EINVAL; 639 /* NB: truncate, caller can check length */ 640 if (ireq->i_len > aie->ie_len) 641 ireq->i_len = aie->ie_len; 642 return copyout(aie->ie_data, ireq->i_data, ireq->i_len); 643 } 644 645 static int 646 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq) 647 { 648 uint8_t fc0; 649 650 fc0 = ireq->i_val & 0xff; 651 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 652 return EINVAL; 653 /* NB: could check iv_opmode and reject but hardly worth the effort */ 654 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 655 case IEEE80211_FC0_SUBTYPE_BEACON: 656 return getappie(vap->iv_appie_beacon, ireq); 657 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 658 return getappie(vap->iv_appie_proberesp, ireq); 659 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 660 return getappie(vap->iv_appie_assocresp, ireq); 661 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 662 return getappie(vap->iv_appie_probereq, ireq); 663 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 664 return getappie(vap->iv_appie_assocreq, ireq); 665 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP: 666 return getappie(vap->iv_appie_wpa, ireq); 667 } 668 return EINVAL; 669 } 670 671 static int 672 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap, 673 const struct ieee80211req *ireq) 674 { 675 struct ieee80211com *ic = vap->iv_ic; 676 677 if (ireq->i_len != sizeof(ic->ic_regdomain)) 678 return EINVAL; 679 return copyout(&ic->ic_regdomain, ireq->i_data, 680 sizeof(ic->ic_regdomain)); 681 } 682 683 static int 684 ieee80211_ioctl_getroam(struct ieee80211vap *vap, 685 const struct ieee80211req *ireq) 686 { 687 size_t len = ireq->i_len; 688 /* NB: accept short requests for backwards compat */ 689 if (len > sizeof(vap->iv_roamparms)) 690 len = sizeof(vap->iv_roamparms); 691 return copyout(vap->iv_roamparms, ireq->i_data, len); 692 } 693 694 static int 695 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap, 696 const struct ieee80211req *ireq) 697 { 698 size_t len = ireq->i_len; 699 /* NB: accept short requests for backwards compat */ 700 if (len > sizeof(vap->iv_txparms)) 701 len = sizeof(vap->iv_txparms); 702 return copyout(vap->iv_txparms, ireq->i_data, len); 703 } 704 705 static int 706 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic, 707 const struct ieee80211req *ireq) 708 { 709 struct ieee80211_devcaps_req *dc; 710 struct ieee80211req_chaninfo *ci; 711 int maxchans, error; 712 713 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) / 714 sizeof(struct ieee80211_channel)); 715 /* NB: require 1 so we know ic_nchans is accessible */ 716 if (maxchans < 1) 717 return EINVAL; 718 /* constrain max request size, 2K channels is ~24Kbytes */ 719 if (maxchans > 2048) 720 maxchans = 2048; 721 #if defined(__DragonFly__) 722 dc = (struct ieee80211_devcaps_req *) 723 kmalloc(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, M_INTWAIT | M_ZERO); 724 #else 725 dc = (struct ieee80211_devcaps_req *) 726 IEEE80211_MALLOC(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, 727 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 728 #endif 729 if (dc == NULL) 730 return ENOMEM; 731 dc->dc_drivercaps = ic->ic_caps; 732 dc->dc_cryptocaps = ic->ic_cryptocaps; 733 dc->dc_htcaps = ic->ic_htcaps; 734 ci = &dc->dc_chaninfo; 735 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans); 736 KASSERT(ci->ic_nchans <= maxchans, 737 ("nchans %d maxchans %d", ci->ic_nchans, maxchans)); 738 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans); 739 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc)); 740 IEEE80211_FREE(dc, M_TEMP); 741 return error; 742 } 743 744 static int 745 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 746 { 747 struct ieee80211_node *ni; 748 struct ieee80211req_sta_vlan vlan; 749 int error; 750 751 if (ireq->i_len != sizeof(vlan)) 752 return EINVAL; 753 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 754 if (error != 0) 755 return error; 756 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 757 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 758 vlan.sv_macaddr); 759 if (ni == NULL) 760 return ENOENT; 761 } else 762 ni = ieee80211_ref_node(vap->iv_bss); 763 vlan.sv_vlan = ni->ni_vlan; 764 error = copyout(&vlan, ireq->i_data, sizeof(vlan)); 765 ieee80211_free_node(ni); 766 return error; 767 } 768 769 /* 770 * Dummy ioctl get handler so the linker set is defined. 771 */ 772 static int 773 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq) 774 { 775 return ENOSYS; 776 } 777 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get); 778 779 static int 780 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 781 { 782 ieee80211_ioctl_getfunc * const *get; 783 int error; 784 785 SET_FOREACH(get, ieee80211_ioctl_getset) { 786 error = (*get)(vap, ireq); 787 if (error != ENOSYS) 788 return error; 789 } 790 return EINVAL; 791 } 792 793 static int 794 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd, 795 struct ieee80211req *ireq) 796 { 797 #define MS(_v, _f) (((_v) & _f) >> _f##_S) 798 struct ieee80211com *ic = vap->iv_ic; 799 u_int kid, len; 800 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 801 char tmpssid[IEEE80211_NWID_LEN]; 802 int error = 0; 803 804 switch (ireq->i_type) { 805 case IEEE80211_IOC_SSID: 806 switch (vap->iv_state) { 807 case IEEE80211_S_INIT: 808 case IEEE80211_S_SCAN: 809 ireq->i_len = vap->iv_des_ssid[0].len; 810 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); 811 break; 812 default: 813 ireq->i_len = vap->iv_bss->ni_esslen; 814 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); 815 break; 816 } 817 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 818 break; 819 case IEEE80211_IOC_NUMSSIDS: 820 ireq->i_val = 1; 821 break; 822 case IEEE80211_IOC_WEP: 823 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 824 ireq->i_val = IEEE80211_WEP_OFF; 825 else if (vap->iv_flags & IEEE80211_F_DROPUNENC) 826 ireq->i_val = IEEE80211_WEP_ON; 827 else 828 ireq->i_val = IEEE80211_WEP_MIXED; 829 break; 830 case IEEE80211_IOC_WEPKEY: 831 kid = (u_int) ireq->i_val; 832 if (kid >= IEEE80211_WEP_NKID) 833 return EINVAL; 834 len = (u_int) vap->iv_nw_keys[kid].wk_keylen; 835 /* NB: only root can read WEP keys */ 836 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 837 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); 838 } else { 839 bzero(tmpkey, len); 840 } 841 ireq->i_len = len; 842 error = copyout(tmpkey, ireq->i_data, len); 843 break; 844 case IEEE80211_IOC_NUMWEPKEYS: 845 ireq->i_val = IEEE80211_WEP_NKID; 846 break; 847 case IEEE80211_IOC_WEPTXKEY: 848 ireq->i_val = vap->iv_def_txkey; 849 break; 850 case IEEE80211_IOC_AUTHMODE: 851 if (vap->iv_flags & IEEE80211_F_WPA) 852 ireq->i_val = IEEE80211_AUTH_WPA; 853 else 854 ireq->i_val = vap->iv_bss->ni_authmode; 855 break; 856 case IEEE80211_IOC_CHANNEL: 857 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 858 break; 859 case IEEE80211_IOC_POWERSAVE: 860 if (vap->iv_flags & IEEE80211_F_PMGTON) 861 ireq->i_val = IEEE80211_POWERSAVE_ON; 862 else 863 ireq->i_val = IEEE80211_POWERSAVE_OFF; 864 break; 865 case IEEE80211_IOC_POWERSAVESLEEP: 866 ireq->i_val = ic->ic_lintval; 867 break; 868 case IEEE80211_IOC_RTSTHRESHOLD: 869 ireq->i_val = vap->iv_rtsthreshold; 870 break; 871 case IEEE80211_IOC_PROTMODE: 872 ireq->i_val = ic->ic_protmode; 873 break; 874 case IEEE80211_IOC_TXPOWER: 875 /* 876 * Tx power limit is the min of max regulatory 877 * power, any user-set limit, and the max the 878 * radio can do. 879 */ 880 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; 881 if (ireq->i_val > ic->ic_txpowlimit) 882 ireq->i_val = ic->ic_txpowlimit; 883 if (ireq->i_val > ic->ic_curchan->ic_maxpower) 884 ireq->i_val = ic->ic_curchan->ic_maxpower; 885 break; 886 case IEEE80211_IOC_WPA: 887 switch (vap->iv_flags & IEEE80211_F_WPA) { 888 case IEEE80211_F_WPA1: 889 ireq->i_val = 1; 890 break; 891 case IEEE80211_F_WPA2: 892 ireq->i_val = 2; 893 break; 894 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 895 ireq->i_val = 3; 896 break; 897 default: 898 ireq->i_val = 0; 899 break; 900 } 901 break; 902 case IEEE80211_IOC_CHANLIST: 903 error = ieee80211_ioctl_getchanlist(vap, ireq); 904 break; 905 case IEEE80211_IOC_ROAMING: 906 ireq->i_val = vap->iv_roaming; 907 break; 908 case IEEE80211_IOC_PRIVACY: 909 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; 910 break; 911 case IEEE80211_IOC_DROPUNENCRYPTED: 912 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; 913 break; 914 case IEEE80211_IOC_COUNTERMEASURES: 915 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; 916 break; 917 case IEEE80211_IOC_WME: 918 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; 919 break; 920 case IEEE80211_IOC_HIDESSID: 921 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; 922 break; 923 case IEEE80211_IOC_APBRIDGE: 924 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; 925 break; 926 case IEEE80211_IOC_WPAKEY: 927 error = ieee80211_ioctl_getkey(vap, ireq); 928 break; 929 case IEEE80211_IOC_CHANINFO: 930 error = ieee80211_ioctl_getchaninfo(vap, ireq); 931 break; 932 case IEEE80211_IOC_BSSID: 933 if (ireq->i_len != IEEE80211_ADDR_LEN) 934 return EINVAL; 935 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) { 936 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ? 937 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid, 938 ireq->i_data, ireq->i_len); 939 } else 940 error = copyout(vap->iv_des_bssid, ireq->i_data, 941 ireq->i_len); 942 break; 943 case IEEE80211_IOC_WPAIE: 944 case IEEE80211_IOC_WPAIE2: 945 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 946 break; 947 case IEEE80211_IOC_SCAN_RESULTS: 948 error = ieee80211_ioctl_getscanresults(vap, ireq); 949 break; 950 case IEEE80211_IOC_STA_STATS: 951 error = ieee80211_ioctl_getstastats(vap, ireq); 952 break; 953 case IEEE80211_IOC_TXPOWMAX: 954 ireq->i_val = vap->iv_bss->ni_txpower; 955 break; 956 case IEEE80211_IOC_STA_TXPOW: 957 error = ieee80211_ioctl_getstatxpow(vap, ireq); 958 break; 959 case IEEE80211_IOC_STA_INFO: 960 error = ieee80211_ioctl_getstainfo(vap, ireq); 961 break; 962 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 963 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 964 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 965 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 966 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 967 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 968 error = ieee80211_ioctl_getwmeparam(vap, ireq); 969 break; 970 case IEEE80211_IOC_DTIM_PERIOD: 971 ireq->i_val = vap->iv_dtim_period; 972 break; 973 case IEEE80211_IOC_BEACON_INTERVAL: 974 /* NB: get from ic_bss for station mode */ 975 ireq->i_val = vap->iv_bss->ni_intval; 976 break; 977 case IEEE80211_IOC_PUREG: 978 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; 979 break; 980 case IEEE80211_IOC_QUIET: 981 ireq->i_val = vap->iv_quiet; 982 break; 983 case IEEE80211_IOC_QUIET_COUNT: 984 ireq->i_val = vap->iv_quiet_count; 985 break; 986 case IEEE80211_IOC_QUIET_PERIOD: 987 ireq->i_val = vap->iv_quiet_period; 988 break; 989 case IEEE80211_IOC_QUIET_DUR: 990 ireq->i_val = vap->iv_quiet_duration; 991 break; 992 case IEEE80211_IOC_QUIET_OFFSET: 993 ireq->i_val = vap->iv_quiet_offset; 994 break; 995 case IEEE80211_IOC_BGSCAN: 996 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 997 break; 998 case IEEE80211_IOC_BGSCAN_IDLE: 999 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 1000 break; 1001 case IEEE80211_IOC_BGSCAN_INTERVAL: 1002 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 1003 break; 1004 case IEEE80211_IOC_SCANVALID: 1005 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 1006 break; 1007 case IEEE80211_IOC_FRAGTHRESHOLD: 1008 ireq->i_val = vap->iv_fragthreshold; 1009 break; 1010 case IEEE80211_IOC_MACCMD: 1011 error = ieee80211_ioctl_getmaccmd(vap, ireq); 1012 break; 1013 case IEEE80211_IOC_BURST: 1014 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 1015 break; 1016 case IEEE80211_IOC_BMISSTHRESHOLD: 1017 ireq->i_val = vap->iv_bmissthreshold; 1018 break; 1019 case IEEE80211_IOC_CURCHAN: 1020 error = ieee80211_ioctl_getcurchan(vap, ireq); 1021 break; 1022 case IEEE80211_IOC_SHORTGI: 1023 ireq->i_val = 0; 1024 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) 1025 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 1026 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) 1027 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 1028 break; 1029 case IEEE80211_IOC_AMPDU: 1030 ireq->i_val = 0; 1031 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) 1032 ireq->i_val |= 1; 1033 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) 1034 ireq->i_val |= 2; 1035 break; 1036 case IEEE80211_IOC_AMPDU_LIMIT: 1037 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1038 ireq->i_val = vap->iv_ampdu_rxmax; 1039 else if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 1040 /* 1041 * XXX TODO: this isn't completely correct, as we've 1042 * negotiated the higher of the two. 1043 */ 1044 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1045 IEEE80211_HTCAP_MAXRXAMPDU); 1046 else 1047 ireq->i_val = vap->iv_ampdu_limit; 1048 break; 1049 case IEEE80211_IOC_AMPDU_DENSITY: 1050 if (vap->iv_opmode == IEEE80211_M_STA && 1051 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1052 /* 1053 * XXX TODO: this isn't completely correct, as we've 1054 * negotiated the higher of the two. 1055 */ 1056 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1057 IEEE80211_HTCAP_MPDUDENSITY); 1058 else 1059 ireq->i_val = vap->iv_ampdu_density; 1060 break; 1061 case IEEE80211_IOC_AMSDU: 1062 ireq->i_val = 0; 1063 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) 1064 ireq->i_val |= 1; 1065 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) 1066 ireq->i_val |= 2; 1067 break; 1068 case IEEE80211_IOC_AMSDU_LIMIT: 1069 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1070 break; 1071 case IEEE80211_IOC_PUREN: 1072 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; 1073 break; 1074 case IEEE80211_IOC_DOTH: 1075 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1076 break; 1077 case IEEE80211_IOC_REGDOMAIN: 1078 error = ieee80211_ioctl_getregdomain(vap, ireq); 1079 break; 1080 case IEEE80211_IOC_ROAM: 1081 error = ieee80211_ioctl_getroam(vap, ireq); 1082 break; 1083 case IEEE80211_IOC_TXPARAMS: 1084 error = ieee80211_ioctl_gettxparams(vap, ireq); 1085 break; 1086 case IEEE80211_IOC_HTCOMPAT: 1087 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; 1088 break; 1089 case IEEE80211_IOC_DWDS: 1090 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1091 break; 1092 case IEEE80211_IOC_INACTIVITY: 1093 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1094 break; 1095 case IEEE80211_IOC_APPIE: 1096 error = ieee80211_ioctl_getappie(vap, ireq); 1097 break; 1098 case IEEE80211_IOC_WPS: 1099 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1100 break; 1101 case IEEE80211_IOC_TSN: 1102 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1103 break; 1104 case IEEE80211_IOC_DFS: 1105 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1106 break; 1107 case IEEE80211_IOC_DOTD: 1108 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1109 break; 1110 case IEEE80211_IOC_DEVCAPS: 1111 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1112 break; 1113 case IEEE80211_IOC_HTPROTMODE: 1114 ireq->i_val = ic->ic_htprotmode; 1115 break; 1116 case IEEE80211_IOC_HTCONF: 1117 if (vap->iv_flags_ht & IEEE80211_FHT_HT) { 1118 ireq->i_val = 1; 1119 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) 1120 ireq->i_val |= 2; 1121 } else 1122 ireq->i_val = 0; 1123 break; 1124 case IEEE80211_IOC_STA_VLAN: 1125 error = ieee80211_ioctl_getstavlan(vap, ireq); 1126 break; 1127 case IEEE80211_IOC_SMPS: 1128 if (vap->iv_opmode == IEEE80211_M_STA && 1129 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) { 1130 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1131 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1132 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1133 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1134 else 1135 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1136 } else 1137 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1138 break; 1139 case IEEE80211_IOC_RIFS: 1140 if (vap->iv_opmode == IEEE80211_M_STA && 1141 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1142 ireq->i_val = 1143 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1144 else 1145 ireq->i_val = 1146 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; 1147 break; 1148 case IEEE80211_IOC_STBC: 1149 ireq->i_val = 0; 1150 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_TX) 1151 ireq->i_val |= 1; 1152 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_RX) 1153 ireq->i_val |= 2; 1154 break; 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 vap->iv_def_txkey = kid; 1229 } else 1230 error = ENXIO; 1231 ieee80211_key_update_end(vap); 1232 if (ni != NULL) 1233 ieee80211_free_node(ni); 1234 return error; 1235 } 1236 1237 static int 1238 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1239 { 1240 struct ieee80211req_del_key dk; 1241 int kid, error; 1242 1243 if (ireq->i_len != sizeof(dk)) 1244 return EINVAL; 1245 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1246 if (error) 1247 return error; 1248 kid = dk.idk_keyix; 1249 /* XXX uint8_t -> uint16_t */ 1250 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1251 struct ieee80211_node *ni; 1252 1253 if (vap->iv_opmode == IEEE80211_M_STA) { 1254 ni = ieee80211_ref_node(vap->iv_bss); 1255 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1256 ieee80211_free_node(ni); 1257 return EADDRNOTAVAIL; 1258 } 1259 } else { 1260 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1261 dk.idk_macaddr); 1262 if (ni == NULL) 1263 return ENOENT; 1264 } 1265 /* XXX error return */ 1266 ieee80211_node_delucastkey(ni); 1267 ieee80211_free_node(ni); 1268 } else { 1269 if (kid >= IEEE80211_WEP_NKID) 1270 return EINVAL; 1271 /* XXX error return */ 1272 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1273 } 1274 return 0; 1275 } 1276 1277 struct mlmeop { 1278 struct ieee80211vap *vap; 1279 int op; 1280 int reason; 1281 }; 1282 1283 static void 1284 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1285 int op, int reason) 1286 { 1287 #ifdef IEEE80211_DEBUG 1288 static const struct { 1289 int mask; 1290 const char *opstr; 1291 } ops[] = { 1292 { 0, "op#0" }, 1293 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1294 IEEE80211_MSG_ASSOC, "assoc" }, 1295 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1296 IEEE80211_MSG_ASSOC, "disassoc" }, 1297 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1298 IEEE80211_MSG_AUTH, "deauth" }, 1299 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1300 IEEE80211_MSG_AUTH, "authorize" }, 1301 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1302 IEEE80211_MSG_AUTH, "unauthorize" }, 1303 }; 1304 1305 if (op == IEEE80211_MLME_AUTH) { 1306 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1307 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1308 "station authenticate %s via MLME (reason: %d (%s))", 1309 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1310 reason, ieee80211_reason_to_string(reason)); 1311 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1312 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1313 "unknown MLME request %d (reason: %d (%s))", op, reason, 1314 ieee80211_reason_to_string(reason)); 1315 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1316 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1317 "station %s via MLME", ops[op].opstr); 1318 } else { 1319 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1320 "station %s via MLME (reason: %d (%s))", ops[op].opstr, 1321 reason, ieee80211_reason_to_string(reason)); 1322 } 1323 #endif /* IEEE80211_DEBUG */ 1324 } 1325 1326 static void 1327 domlme(void *arg, struct ieee80211_node *ni) 1328 { 1329 struct mlmeop *mop = arg; 1330 struct ieee80211vap *vap = ni->ni_vap; 1331 1332 if (vap != mop->vap) 1333 return; 1334 /* 1335 * NB: if ni_associd is zero then the node is already cleaned 1336 * up and we don't need to do this (we're safely holding a 1337 * reference but should otherwise not modify it's state). 1338 */ 1339 if (ni->ni_associd == 0) 1340 return; 1341 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1342 if (mop->op == IEEE80211_MLME_DEAUTH) { 1343 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1344 mop->reason); 1345 } else { 1346 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1347 mop->reason); 1348 } 1349 ieee80211_node_leave(ni); 1350 } 1351 1352 static int 1353 setmlme_dropsta(struct ieee80211vap *vap, 1354 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1355 { 1356 struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta; 1357 struct ieee80211_node *ni; 1358 int error = 0; 1359 1360 /* NB: the broadcast address means do 'em all */ 1361 if (!IEEE80211_ADDR_EQ(mac, vap->iv_ifp->if_broadcastaddr)) { 1362 IEEE80211_NODE_LOCK(nt); 1363 ni = ieee80211_find_node_locked(nt, mac); 1364 IEEE80211_NODE_UNLOCK(nt); 1365 /* 1366 * Don't do the node update inside the node 1367 * table lock. This unfortunately causes LORs 1368 * with drivers and their TX paths. 1369 */ 1370 if (ni != NULL) { 1371 domlme(mlmeop, ni); 1372 ieee80211_free_node(ni); 1373 } else 1374 error = ENOENT; 1375 } else { 1376 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1377 } 1378 return error; 1379 } 1380 1381 static int 1382 setmlme_common(struct ieee80211vap *vap, int op, 1383 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1384 { 1385 struct ieee80211com *ic = vap->iv_ic; 1386 struct ieee80211_node_table *nt = &ic->ic_sta; 1387 struct ieee80211_node *ni; 1388 struct mlmeop mlmeop; 1389 int error; 1390 1391 error = 0; 1392 switch (op) { 1393 case IEEE80211_MLME_DISASSOC: 1394 case IEEE80211_MLME_DEAUTH: 1395 switch (vap->iv_opmode) { 1396 case IEEE80211_M_STA: 1397 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1398 /* XXX not quite right */ 1399 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1400 break; 1401 case IEEE80211_M_HOSTAP: 1402 mlmeop.vap = vap; 1403 mlmeop.op = op; 1404 mlmeop.reason = reason; 1405 error = setmlme_dropsta(vap, mac, &mlmeop); 1406 break; 1407 case IEEE80211_M_WDS: 1408 /* XXX user app should send raw frame? */ 1409 if (op != IEEE80211_MLME_DEAUTH) { 1410 error = EINVAL; 1411 break; 1412 } 1413 #if 0 1414 /* XXX accept any address, simplifies user code */ 1415 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1416 error = EINVAL; 1417 break; 1418 } 1419 #endif 1420 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1421 ni = ieee80211_ref_node(vap->iv_bss); 1422 IEEE80211_SEND_MGMT(ni, 1423 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1424 ieee80211_free_node(ni); 1425 break; 1426 case IEEE80211_M_MBSS: 1427 IEEE80211_NODE_LOCK(nt); 1428 ni = ieee80211_find_node_locked(nt, mac); 1429 /* 1430 * Don't do the node update inside the node 1431 * table lock. This unfortunately causes LORs 1432 * with drivers and their TX paths. 1433 */ 1434 IEEE80211_NODE_UNLOCK(nt); 1435 if (ni != NULL) { 1436 ieee80211_node_leave(ni); 1437 ieee80211_free_node(ni); 1438 } else { 1439 error = ENOENT; 1440 } 1441 break; 1442 default: 1443 error = EINVAL; 1444 break; 1445 } 1446 break; 1447 case IEEE80211_MLME_AUTHORIZE: 1448 case IEEE80211_MLME_UNAUTHORIZE: 1449 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1450 vap->iv_opmode != IEEE80211_M_WDS) { 1451 error = EINVAL; 1452 break; 1453 } 1454 IEEE80211_NODE_LOCK(nt); 1455 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1456 /* 1457 * Don't do the node update inside the node 1458 * table lock. This unfortunately causes LORs 1459 * with drivers and their TX paths. 1460 */ 1461 IEEE80211_NODE_UNLOCK(nt); 1462 if (ni != NULL) { 1463 mlmedebug(vap, mac, op, reason); 1464 if (op == IEEE80211_MLME_AUTHORIZE) 1465 ieee80211_node_authorize(ni); 1466 else 1467 ieee80211_node_unauthorize(ni); 1468 ieee80211_free_node(ni); 1469 } else 1470 error = ENOENT; 1471 break; 1472 case IEEE80211_MLME_AUTH: 1473 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1474 error = EINVAL; 1475 break; 1476 } 1477 IEEE80211_NODE_LOCK(nt); 1478 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1479 /* 1480 * Don't do the node update inside the node 1481 * table lock. This unfortunately causes LORs 1482 * with drivers and their TX paths. 1483 */ 1484 IEEE80211_NODE_UNLOCK(nt); 1485 if (ni != NULL) { 1486 mlmedebug(vap, mac, op, reason); 1487 if (reason == IEEE80211_STATUS_SUCCESS) { 1488 IEEE80211_SEND_MGMT(ni, 1489 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1490 /* 1491 * For shared key auth, just continue the 1492 * exchange. Otherwise when 802.1x is not in 1493 * use mark the port authorized at this point 1494 * so traffic can flow. 1495 */ 1496 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1497 ni->ni_challenge == NULL) 1498 ieee80211_node_authorize(ni); 1499 } else { 1500 vap->iv_stats.is_rx_acl++; 1501 ieee80211_send_error(ni, ni->ni_macaddr, 1502 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1503 ieee80211_node_leave(ni); 1504 } 1505 ieee80211_free_node(ni); 1506 } else 1507 error = ENOENT; 1508 break; 1509 default: 1510 error = EINVAL; 1511 break; 1512 } 1513 return error; 1514 } 1515 1516 struct scanlookup { 1517 const uint8_t *mac; 1518 int esslen; 1519 const uint8_t *essid; 1520 const struct ieee80211_scan_entry *se; 1521 }; 1522 1523 /* 1524 * Match mac address and any ssid. 1525 */ 1526 static void 1527 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1528 { 1529 struct scanlookup *look = arg; 1530 1531 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1532 return; 1533 if (look->esslen != 0) { 1534 if (se->se_ssid[1] != look->esslen) 1535 return; 1536 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1537 return; 1538 } 1539 look->se = se; 1540 } 1541 1542 static int 1543 setmlme_assoc_sta(struct ieee80211vap *vap, 1544 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1545 const uint8_t ssid[IEEE80211_NWID_LEN]) 1546 { 1547 struct scanlookup lookup; 1548 1549 KASSERT(vap->iv_opmode == IEEE80211_M_STA, 1550 ("expected opmode STA not %s", 1551 ieee80211_opmode_name[vap->iv_opmode])); 1552 1553 /* NB: this is racey if roaming is !manual */ 1554 lookup.se = NULL; 1555 lookup.mac = mac; 1556 lookup.esslen = ssid_len; 1557 lookup.essid = ssid; 1558 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1559 if (lookup.se == NULL) 1560 return ENOENT; 1561 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1562 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1563 return EIO; /* XXX unique but could be better */ 1564 return 0; 1565 } 1566 1567 static int 1568 setmlme_assoc_adhoc(struct ieee80211vap *vap, 1569 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1570 const uint8_t ssid[IEEE80211_NWID_LEN]) 1571 { 1572 struct ieee80211_scan_req *sr; 1573 int error; 1574 1575 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS || 1576 vap->iv_opmode == IEEE80211_M_AHDEMO, 1577 ("expected opmode IBSS or AHDEMO not %s", 1578 ieee80211_opmode_name[vap->iv_opmode])); 1579 1580 if (ssid_len == 0) 1581 return EINVAL; 1582 1583 #if defined(__DragonFly__) 1584 sr = kmalloc(sizeof(*sr), M_TEMP, M_INTWAIT | M_ZERO); 1585 #else 1586 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 1587 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1588 #endif 1589 if (sr == NULL) 1590 return ENOMEM; 1591 1592 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */ 1593 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 1594 vap->iv_des_ssid[0].len = ssid_len; 1595 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len); 1596 vap->iv_des_nssid = 1; 1597 1598 sr->sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE; 1599 sr->sr_duration = IEEE80211_IOC_SCAN_FOREVER; 1600 memcpy(sr->sr_ssid[0].ssid, ssid, ssid_len); 1601 sr->sr_ssid[0].len = ssid_len; 1602 sr->sr_nssid = 1; 1603 1604 error = ieee80211_scanreq(vap, sr); 1605 1606 IEEE80211_FREE(sr, M_TEMP); 1607 return error; 1608 } 1609 1610 static int 1611 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1612 { 1613 struct ieee80211req_mlme mlme; 1614 int error; 1615 1616 if (ireq->i_len != sizeof(mlme)) 1617 return EINVAL; 1618 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1619 if (error) 1620 return error; 1621 if (vap->iv_opmode == IEEE80211_M_STA && 1622 mlme.im_op == IEEE80211_MLME_ASSOC) 1623 return setmlme_assoc_sta(vap, mlme.im_macaddr, 1624 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1625 else if ((vap->iv_opmode == IEEE80211_M_IBSS || 1626 vap->iv_opmode == IEEE80211_M_AHDEMO) && 1627 mlme.im_op == IEEE80211_MLME_ASSOC) 1628 return setmlme_assoc_adhoc(vap, mlme.im_macaddr, 1629 mlme.im_ssid_len, mlme.im_ssid); 1630 else 1631 return setmlme_common(vap, mlme.im_op, 1632 mlme.im_macaddr, mlme.im_reason); 1633 } 1634 1635 static int 1636 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1637 { 1638 uint8_t mac[IEEE80211_ADDR_LEN]; 1639 const struct ieee80211_aclator *acl = vap->iv_acl; 1640 int error; 1641 1642 if (ireq->i_len != sizeof(mac)) 1643 return EINVAL; 1644 error = copyin(ireq->i_data, mac, ireq->i_len); 1645 if (error) 1646 return error; 1647 if (acl == NULL) { 1648 acl = ieee80211_aclator_get("mac"); 1649 if (acl == NULL || !acl->iac_attach(vap)) 1650 return EINVAL; 1651 vap->iv_acl = acl; 1652 } 1653 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1654 acl->iac_add(vap, mac); 1655 else 1656 acl->iac_remove(vap, mac); 1657 return 0; 1658 } 1659 1660 static int 1661 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1662 { 1663 const struct ieee80211_aclator *acl = vap->iv_acl; 1664 1665 switch (ireq->i_val) { 1666 case IEEE80211_MACCMD_POLICY_OPEN: 1667 case IEEE80211_MACCMD_POLICY_ALLOW: 1668 case IEEE80211_MACCMD_POLICY_DENY: 1669 case IEEE80211_MACCMD_POLICY_RADIUS: 1670 if (acl == NULL) { 1671 acl = ieee80211_aclator_get("mac"); 1672 if (acl == NULL || !acl->iac_attach(vap)) 1673 return EINVAL; 1674 vap->iv_acl = acl; 1675 } 1676 acl->iac_setpolicy(vap, ireq->i_val); 1677 break; 1678 case IEEE80211_MACCMD_FLUSH: 1679 if (acl != NULL) 1680 acl->iac_flush(vap); 1681 /* NB: silently ignore when not in use */ 1682 break; 1683 case IEEE80211_MACCMD_DETACH: 1684 if (acl != NULL) { 1685 vap->iv_acl = NULL; 1686 acl->iac_detach(vap); 1687 } 1688 break; 1689 default: 1690 if (acl == NULL) 1691 return EINVAL; 1692 else 1693 return acl->iac_setioctl(vap, ireq); 1694 } 1695 return 0; 1696 } 1697 1698 static int 1699 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1700 { 1701 struct ieee80211com *ic = vap->iv_ic; 1702 uint8_t *chanlist, *list; 1703 int i, nchan, maxchan, error; 1704 1705 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1706 ireq->i_len = sizeof(ic->ic_chan_active); 1707 #if defined(__DragonFly__) 1708 list = kmalloc(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1709 M_INTWAIT | M_ZERO); 1710 #else 1711 list = IEEE80211_MALLOC(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1712 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1713 #endif 1714 if (list == NULL) 1715 return ENOMEM; 1716 error = copyin(ireq->i_data, list, ireq->i_len); 1717 if (error) { 1718 IEEE80211_FREE(list, M_TEMP); 1719 return error; 1720 } 1721 nchan = 0; 1722 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1723 maxchan = ireq->i_len * NBBY; 1724 for (i = 0; i < ic->ic_nchans; i++) { 1725 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1726 /* 1727 * Calculate the intersection of the user list and the 1728 * available channels so users can do things like specify 1729 * 1-255 to get all available channels. 1730 */ 1731 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1732 setbit(chanlist, c->ic_ieee); 1733 nchan++; 1734 } 1735 } 1736 if (nchan == 0) { 1737 IEEE80211_FREE(list, M_TEMP); 1738 return EINVAL; 1739 } 1740 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1741 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1742 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1743 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1744 ieee80211_scan_flush(vap); 1745 IEEE80211_FREE(list, M_TEMP); 1746 return ENETRESET; 1747 } 1748 1749 static int 1750 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1751 { 1752 struct ieee80211_node *ni; 1753 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1754 int error; 1755 1756 /* 1757 * NB: we could copyin ieee80211req_sta_stats so apps 1758 * could make selective changes but that's overkill; 1759 * just clear all stats for now. 1760 */ 1761 if (ireq->i_len < IEEE80211_ADDR_LEN) 1762 return EINVAL; 1763 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1764 if (error != 0) 1765 return error; 1766 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1767 if (ni == NULL) 1768 return ENOENT; 1769 /* XXX require ni_vap == vap? */ 1770 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1771 ieee80211_free_node(ni); 1772 return 0; 1773 } 1774 1775 static int 1776 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1777 { 1778 struct ieee80211_node *ni; 1779 struct ieee80211req_sta_txpow txpow; 1780 int error; 1781 1782 if (ireq->i_len != sizeof(txpow)) 1783 return EINVAL; 1784 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1785 if (error != 0) 1786 return error; 1787 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1788 if (ni == NULL) 1789 return ENOENT; 1790 ni->ni_txpower = txpow.it_txpow; 1791 ieee80211_free_node(ni); 1792 return error; 1793 } 1794 1795 static int 1796 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1797 { 1798 struct ieee80211com *ic = vap->iv_ic; 1799 struct ieee80211_wme_state *wme = &ic->ic_wme; 1800 struct wmeParams *wmep, *chanp; 1801 int isbss, ac, aggrmode; 1802 1803 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1804 return EOPNOTSUPP; 1805 1806 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1807 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1808 aggrmode = (wme->wme_flags & WME_F_AGGRMODE); 1809 if (ac >= WME_NUM_AC) 1810 ac = WME_AC_BE; 1811 if (isbss) { 1812 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1813 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1814 } else { 1815 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1816 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1817 } 1818 switch (ireq->i_type) { 1819 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1820 wmep->wmep_logcwmin = ireq->i_val; 1821 if (!isbss || !aggrmode) 1822 chanp->wmep_logcwmin = ireq->i_val; 1823 break; 1824 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1825 wmep->wmep_logcwmax = ireq->i_val; 1826 if (!isbss || !aggrmode) 1827 chanp->wmep_logcwmax = ireq->i_val; 1828 break; 1829 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1830 wmep->wmep_aifsn = ireq->i_val; 1831 if (!isbss || !aggrmode) 1832 chanp->wmep_aifsn = ireq->i_val; 1833 break; 1834 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1835 wmep->wmep_txopLimit = ireq->i_val; 1836 if (!isbss || !aggrmode) 1837 chanp->wmep_txopLimit = ireq->i_val; 1838 break; 1839 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1840 wmep->wmep_acm = ireq->i_val; 1841 if (!aggrmode) 1842 chanp->wmep_acm = ireq->i_val; 1843 break; 1844 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1845 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1846 (ireq->i_val) == 0; 1847 break; 1848 } 1849 ieee80211_wme_updateparams(vap); 1850 return 0; 1851 } 1852 1853 static int 1854 find11gchannel(struct ieee80211com *ic, int start, int freq) 1855 { 1856 const struct ieee80211_channel *c; 1857 int i; 1858 1859 for (i = start+1; i < ic->ic_nchans; i++) { 1860 c = &ic->ic_channels[i]; 1861 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1862 return 1; 1863 } 1864 /* NB: should not be needed but in case things are mis-sorted */ 1865 for (i = 0; i < start; i++) { 1866 c = &ic->ic_channels[i]; 1867 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1868 return 1; 1869 } 1870 return 0; 1871 } 1872 1873 static struct ieee80211_channel * 1874 findchannel(struct ieee80211com *ic, int ieee, int mode) 1875 { 1876 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1877 [IEEE80211_MODE_AUTO] = 0, 1878 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1879 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1880 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1881 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1882 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1883 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1884 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1885 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1886 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1887 /* NB: handled specially below */ 1888 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1889 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1890 }; 1891 u_int modeflags; 1892 int i; 1893 1894 modeflags = chanflags[mode]; 1895 for (i = 0; i < ic->ic_nchans; i++) { 1896 struct ieee80211_channel *c = &ic->ic_channels[i]; 1897 1898 if (c->ic_ieee != ieee) 1899 continue; 1900 if (mode == IEEE80211_MODE_AUTO) { 1901 /* ignore turbo channels for autoselect */ 1902 if (IEEE80211_IS_CHAN_TURBO(c)) 1903 continue; 1904 /* 1905 * XXX special-case 11b/g channels so we 1906 * always select the g channel if both 1907 * are present. 1908 * XXX prefer HT to non-HT? 1909 */ 1910 if (!IEEE80211_IS_CHAN_B(c) || 1911 !find11gchannel(ic, i, c->ic_freq)) 1912 return c; 1913 } else { 1914 /* must check HT specially */ 1915 if ((mode == IEEE80211_MODE_11NA || 1916 mode == IEEE80211_MODE_11NG) && 1917 !IEEE80211_IS_CHAN_HT(c)) 1918 continue; 1919 if ((c->ic_flags & modeflags) == modeflags) 1920 return c; 1921 } 1922 } 1923 return NULL; 1924 } 1925 1926 /* 1927 * Check the specified against any desired mode (aka netband). 1928 * This is only used (presently) when operating in hostap mode 1929 * to enforce consistency. 1930 */ 1931 static int 1932 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1933 { 1934 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1935 1936 switch (mode) { 1937 case IEEE80211_MODE_11B: 1938 return (IEEE80211_IS_CHAN_B(c)); 1939 case IEEE80211_MODE_11G: 1940 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1941 case IEEE80211_MODE_11A: 1942 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1943 case IEEE80211_MODE_STURBO_A: 1944 return (IEEE80211_IS_CHAN_STURBO(c)); 1945 case IEEE80211_MODE_11NA: 1946 return (IEEE80211_IS_CHAN_HTA(c)); 1947 case IEEE80211_MODE_11NG: 1948 return (IEEE80211_IS_CHAN_HTG(c)); 1949 } 1950 return 1; 1951 1952 } 1953 1954 /* 1955 * Common code to set the current channel. If the device 1956 * is up and running this may result in an immediate channel 1957 * change or a kick of the state machine. 1958 */ 1959 static int 1960 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 1961 { 1962 struct ieee80211com *ic = vap->iv_ic; 1963 int error; 1964 1965 if (c != IEEE80211_CHAN_ANYC) { 1966 if (IEEE80211_IS_CHAN_RADAR(c)) 1967 return EBUSY; /* XXX better code? */ 1968 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 1969 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 1970 return EINVAL; 1971 if (!check_mode_consistency(c, vap->iv_des_mode)) 1972 return EINVAL; 1973 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 1974 if (IEEE80211_IS_CHAN_NOADHOC(c)) 1975 return EINVAL; 1976 } 1977 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) && 1978 vap->iv_bss->ni_chan == c) 1979 return 0; /* NB: nothing to do */ 1980 } 1981 vap->iv_des_chan = c; 1982 1983 error = 0; 1984 if (vap->iv_opmode == IEEE80211_M_MONITOR && 1985 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1986 /* 1987 * Monitor mode can switch directly. 1988 */ 1989 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 1990 /* XXX need state machine for other vap's to follow */ 1991 ieee80211_setcurchan(ic, vap->iv_des_chan); 1992 vap->iv_bss->ni_chan = ic->ic_curchan; 1993 } else 1994 ic->ic_curchan = vap->iv_des_chan; 1995 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1996 } else { 1997 /* 1998 * Need to go through the state machine in case we 1999 * need to reassociate or the like. The state machine 2000 * will pickup the desired channel and avoid scanning. 2001 */ 2002 if (IS_UP_AUTO(vap)) 2003 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2004 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 2005 /* 2006 * When not up+running and a real channel has 2007 * been specified fix the current channel so 2008 * there is immediate feedback; e.g. via ifconfig. 2009 */ 2010 ic->ic_curchan = vap->iv_des_chan; 2011 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 2012 } 2013 } 2014 return error; 2015 } 2016 2017 /* 2018 * Old api for setting the current channel; this is 2019 * deprecated because channel numbers are ambiguous. 2020 */ 2021 static int 2022 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 2023 const struct ieee80211req *ireq) 2024 { 2025 struct ieee80211com *ic = vap->iv_ic; 2026 struct ieee80211_channel *c; 2027 2028 /* XXX 0xffff overflows 16-bit signed */ 2029 if (ireq->i_val == 0 || 2030 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 2031 c = IEEE80211_CHAN_ANYC; 2032 } else { 2033 struct ieee80211_channel *c2; 2034 2035 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 2036 if (c == NULL) { 2037 c = findchannel(ic, ireq->i_val, 2038 IEEE80211_MODE_AUTO); 2039 if (c == NULL) 2040 return EINVAL; 2041 } 2042 /* 2043 * Fine tune channel selection based on desired mode: 2044 * if 11b is requested, find the 11b version of any 2045 * 11g channel returned, 2046 * if static turbo, find the turbo version of any 2047 * 11a channel return, 2048 * if 11na is requested, find the ht version of any 2049 * 11a channel returned, 2050 * if 11ng is requested, find the ht version of any 2051 * 11g channel returned, 2052 * otherwise we should be ok with what we've got. 2053 */ 2054 switch (vap->iv_des_mode) { 2055 case IEEE80211_MODE_11B: 2056 if (IEEE80211_IS_CHAN_ANYG(c)) { 2057 c2 = findchannel(ic, ireq->i_val, 2058 IEEE80211_MODE_11B); 2059 /* NB: should not happen, =>'s 11g w/o 11b */ 2060 if (c2 != NULL) 2061 c = c2; 2062 } 2063 break; 2064 case IEEE80211_MODE_TURBO_A: 2065 if (IEEE80211_IS_CHAN_A(c)) { 2066 c2 = findchannel(ic, ireq->i_val, 2067 IEEE80211_MODE_TURBO_A); 2068 if (c2 != NULL) 2069 c = c2; 2070 } 2071 break; 2072 case IEEE80211_MODE_11NA: 2073 if (IEEE80211_IS_CHAN_A(c)) { 2074 c2 = findchannel(ic, ireq->i_val, 2075 IEEE80211_MODE_11NA); 2076 if (c2 != NULL) 2077 c = c2; 2078 } 2079 break; 2080 case IEEE80211_MODE_11NG: 2081 if (IEEE80211_IS_CHAN_ANYG(c)) { 2082 c2 = findchannel(ic, ireq->i_val, 2083 IEEE80211_MODE_11NG); 2084 if (c2 != NULL) 2085 c = c2; 2086 } 2087 break; 2088 default: /* NB: no static turboG */ 2089 break; 2090 } 2091 } 2092 return setcurchan(vap, c); 2093 } 2094 2095 /* 2096 * New/current api for setting the current channel; a complete 2097 * channel description is provide so there is no ambiguity in 2098 * identifying the channel. 2099 */ 2100 static int 2101 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 2102 const struct ieee80211req *ireq) 2103 { 2104 struct ieee80211com *ic = vap->iv_ic; 2105 struct ieee80211_channel chan, *c; 2106 int error; 2107 2108 if (ireq->i_len != sizeof(chan)) 2109 return EINVAL; 2110 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2111 if (error != 0) 2112 return error; 2113 /* XXX 0xffff overflows 16-bit signed */ 2114 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2115 c = IEEE80211_CHAN_ANYC; 2116 } else { 2117 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2118 if (c == NULL) 2119 return EINVAL; 2120 } 2121 return setcurchan(vap, c); 2122 } 2123 2124 static int 2125 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2126 const struct ieee80211req *ireq) 2127 { 2128 struct ieee80211_regdomain_req *reg; 2129 int nchans, error; 2130 2131 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2132 sizeof(struct ieee80211_channel)); 2133 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2134 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2135 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2136 ireq->i_len, nchans); 2137 return EINVAL; 2138 } 2139 #if defined(__DragonFly__) 2140 reg = (struct ieee80211_regdomain_req *) 2141 kmalloc(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, M_INTWAIT); 2142 #else 2143 reg = (struct ieee80211_regdomain_req *) 2144 IEEE80211_MALLOC(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, 2145 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2146 #endif 2147 if (reg == NULL) { 2148 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2149 "%s: no memory, nchans %d\n", __func__, nchans); 2150 return ENOMEM; 2151 } 2152 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2153 if (error == 0) { 2154 /* NB: validate inline channel count against storage size */ 2155 if (reg->chaninfo.ic_nchans != nchans) { 2156 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2157 "%s: chan cnt mismatch, %d != %d\n", __func__, 2158 reg->chaninfo.ic_nchans, nchans); 2159 error = EINVAL; 2160 } else 2161 error = ieee80211_setregdomain(vap, reg); 2162 } 2163 IEEE80211_FREE(reg, M_TEMP); 2164 2165 return (error == 0 ? ENETRESET : error); 2166 } 2167 2168 static int 2169 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2170 const struct ieee80211req *ireq) 2171 { 2172 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2173 return EINVAL; 2174 /* XXX validate params */ 2175 /* XXX? ENETRESET to push to device? */ 2176 return copyin(ireq->i_data, vap->iv_roamparms, 2177 sizeof(vap->iv_roamparms)); 2178 } 2179 2180 static int 2181 checkrate(const struct ieee80211_rateset *rs, int rate) 2182 { 2183 int i; 2184 2185 if (rate == IEEE80211_FIXED_RATE_NONE) 2186 return 1; 2187 for (i = 0; i < rs->rs_nrates; i++) 2188 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2189 return 1; 2190 return 0; 2191 } 2192 2193 static int 2194 checkmcs(int mcs) 2195 { 2196 if (mcs == IEEE80211_FIXED_RATE_NONE) 2197 return 1; 2198 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2199 return 0; 2200 return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */ 2201 } 2202 2203 static int 2204 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2205 const struct ieee80211req *ireq) 2206 { 2207 struct ieee80211com *ic = vap->iv_ic; 2208 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2209 struct ieee80211_txparam *src, *dst; 2210 const struct ieee80211_rateset *rs; 2211 int error, mode, changed, is11n, nmodes; 2212 2213 /* NB: accept short requests for backwards compat */ 2214 if (ireq->i_len > sizeof(parms)) 2215 return EINVAL; 2216 error = copyin(ireq->i_data, &parms, ireq->i_len); 2217 if (error != 0) 2218 return error; 2219 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2220 changed = 0; 2221 /* validate parameters and check if anything changed */ 2222 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2223 if (isclr(ic->ic_modecaps, mode)) 2224 continue; 2225 src = &parms.params[mode]; 2226 dst = &vap->iv_txparms[mode]; 2227 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2228 is11n = (mode == IEEE80211_MODE_11NA || 2229 mode == IEEE80211_MODE_11NG); 2230 if (src->ucastrate != dst->ucastrate) { 2231 if (!checkrate(rs, src->ucastrate) && 2232 (!is11n || !checkmcs(src->ucastrate))) 2233 return EINVAL; 2234 changed++; 2235 } 2236 if (src->mcastrate != dst->mcastrate) { 2237 if (!checkrate(rs, src->mcastrate) && 2238 (!is11n || !checkmcs(src->mcastrate))) 2239 return EINVAL; 2240 changed++; 2241 } 2242 if (src->mgmtrate != dst->mgmtrate) { 2243 if (!checkrate(rs, src->mgmtrate) && 2244 (!is11n || !checkmcs(src->mgmtrate))) 2245 return EINVAL; 2246 changed++; 2247 } 2248 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2249 changed++; 2250 } 2251 if (changed) { 2252 /* 2253 * Copy new parameters in place and notify the 2254 * driver so it can push state to the device. 2255 */ 2256 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2257 if (isset(ic->ic_modecaps, mode)) 2258 vap->iv_txparms[mode] = parms.params[mode]; 2259 } 2260 /* XXX could be more intelligent, 2261 e.g. don't reset if setting not being used */ 2262 return ENETRESET; 2263 } 2264 return 0; 2265 } 2266 2267 /* 2268 * Application Information Element support. 2269 */ 2270 static int 2271 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2272 { 2273 struct ieee80211_appie *app = *aie; 2274 struct ieee80211_appie *napp; 2275 int error; 2276 2277 if (ireq->i_len == 0) { /* delete any existing ie */ 2278 if (app != NULL) { 2279 *aie = NULL; /* XXX racey */ 2280 IEEE80211_FREE(app, M_80211_NODE_IE); 2281 } 2282 return 0; 2283 } 2284 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2285 return EINVAL; 2286 /* 2287 * Allocate a new appie structure and copy in the user data. 2288 * When done swap in the new structure. Note that we do not 2289 * guard against users holding a ref to the old structure; 2290 * this must be handled outside this code. 2291 * 2292 * XXX bad bad bad 2293 */ 2294 #if defined(__DragonFly__) 2295 napp = (struct ieee80211_appie *) kmalloc( 2296 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, M_INTWAIT); 2297 #else 2298 napp = (struct ieee80211_appie *) IEEE80211_MALLOC( 2299 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, 2300 IEEE80211_M_NOWAIT); 2301 #endif 2302 if (napp == NULL) 2303 return ENOMEM; 2304 /* XXX holding ic lock */ 2305 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2306 if (error) { 2307 IEEE80211_FREE(napp, M_80211_NODE_IE); 2308 return error; 2309 } 2310 napp->ie_len = ireq->i_len; 2311 *aie = napp; 2312 if (app != NULL) 2313 IEEE80211_FREE(app, M_80211_NODE_IE); 2314 return 0; 2315 } 2316 2317 static void 2318 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2319 { 2320 /* validate data is present as best we can */ 2321 if (space == 0 || 2+ie[1] > space) 2322 return; 2323 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2324 vap->iv_wpa_ie = ie; 2325 else if (ie[0] == IEEE80211_ELEMID_RSN) 2326 vap->iv_rsn_ie = ie; 2327 } 2328 2329 static int 2330 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2331 const struct ieee80211req *ireq, int fc0) 2332 { 2333 int error; 2334 2335 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2336 2337 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2338 case IEEE80211_FC0_SUBTYPE_BEACON: 2339 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2340 vap->iv_opmode != IEEE80211_M_IBSS) { 2341 error = EINVAL; 2342 break; 2343 } 2344 error = setappie(&vap->iv_appie_beacon, ireq); 2345 if (error == 0) 2346 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2347 break; 2348 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2349 error = setappie(&vap->iv_appie_proberesp, ireq); 2350 break; 2351 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2352 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2353 error = setappie(&vap->iv_appie_assocresp, ireq); 2354 else 2355 error = EINVAL; 2356 break; 2357 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2358 error = setappie(&vap->iv_appie_probereq, ireq); 2359 break; 2360 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2361 if (vap->iv_opmode == IEEE80211_M_STA) 2362 error = setappie(&vap->iv_appie_assocreq, ireq); 2363 else 2364 error = EINVAL; 2365 break; 2366 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2367 error = setappie(&vap->iv_appie_wpa, ireq); 2368 if (error == 0) { 2369 /* 2370 * Must split single blob of data into separate 2371 * WPA and RSN ie's because they go in different 2372 * locations in the mgt frames. 2373 * XXX use IEEE80211_IOC_WPA2 so user code does split 2374 */ 2375 vap->iv_wpa_ie = NULL; 2376 vap->iv_rsn_ie = NULL; 2377 if (vap->iv_appie_wpa != NULL) { 2378 struct ieee80211_appie *appie = 2379 vap->iv_appie_wpa; 2380 uint8_t *data = appie->ie_data; 2381 2382 /* XXX ie length validate is painful, cheat */ 2383 setwparsnie(vap, data, appie->ie_len); 2384 setwparsnie(vap, data + 2 + data[1], 2385 appie->ie_len - (2 + data[1])); 2386 } 2387 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2388 vap->iv_opmode == IEEE80211_M_IBSS) { 2389 /* 2390 * Must rebuild beacon frame as the update 2391 * mechanism doesn't handle WPA/RSN ie's. 2392 * Could extend it but it doesn't normally 2393 * change; this is just to deal with hostapd 2394 * plumbing the ie after the interface is up. 2395 */ 2396 error = ENETRESET; 2397 } 2398 } 2399 break; 2400 default: 2401 error = EINVAL; 2402 break; 2403 } 2404 return error; 2405 } 2406 2407 static int 2408 ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2409 const struct ieee80211req *ireq) 2410 { 2411 struct ieee80211com *ic = vap->iv_ic; 2412 int error; 2413 uint8_t fc0; 2414 2415 fc0 = ireq->i_val & 0xff; 2416 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2417 return EINVAL; 2418 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2419 IEEE80211_LOCK(ic); 2420 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2421 IEEE80211_UNLOCK(ic); 2422 return error; 2423 } 2424 2425 static int 2426 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2427 { 2428 struct ieee80211com *ic = vap->iv_ic; 2429 struct ieee80211_chanswitch_req csr; 2430 struct ieee80211_channel *c; 2431 int error; 2432 2433 if (ireq->i_len != sizeof(csr)) 2434 return EINVAL; 2435 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2436 if (error != 0) 2437 return error; 2438 /* XXX adhoc mode not supported */ 2439 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2440 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2441 return EOPNOTSUPP; 2442 c = ieee80211_find_channel(ic, 2443 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2444 if (c == NULL) 2445 return ENOENT; 2446 IEEE80211_LOCK(ic); 2447 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2448 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2449 else if (csr.csa_count == 0) 2450 ieee80211_csa_cancelswitch(ic); 2451 else 2452 error = EBUSY; 2453 IEEE80211_UNLOCK(ic); 2454 return error; 2455 } 2456 2457 static int 2458 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr) 2459 { 2460 #define IEEE80211_IOC_SCAN_FLAGS \ 2461 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2462 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2463 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2464 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2465 IEEE80211_IOC_SCAN_CHECK) 2466 struct ieee80211com *ic = vap->iv_ic; 2467 int error, i; 2468 2469 /* convert duration */ 2470 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2471 sr->sr_duration = IEEE80211_SCAN_FOREVER; 2472 else { 2473 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2474 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2475 return EINVAL; 2476 sr->sr_duration = msecs_to_ticks(sr->sr_duration); 2477 if (sr->sr_duration < 1) 2478 sr->sr_duration = 1; 2479 } 2480 /* convert min/max channel dwell */ 2481 if (sr->sr_mindwell != 0) { 2482 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell); 2483 if (sr->sr_mindwell < 1) 2484 sr->sr_mindwell = 1; 2485 } 2486 if (sr->sr_maxdwell != 0) { 2487 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell); 2488 if (sr->sr_maxdwell < 1) 2489 sr->sr_maxdwell = 1; 2490 } 2491 /* NB: silently reduce ssid count to what is supported */ 2492 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID) 2493 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID; 2494 for (i = 0; i < sr->sr_nssid; i++) 2495 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN) 2496 return EINVAL; 2497 /* cleanse flags just in case, could reject if invalid flags */ 2498 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2499 /* 2500 * Add an implicit NOPICK if the vap is not marked UP. This 2501 * allows applications to scan without joining a bss (or picking 2502 * a channel and setting up a bss) and without forcing manual 2503 * roaming mode--you just need to mark the parent device UP. 2504 */ 2505 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2506 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2507 2508 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2509 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2510 __func__, sr->sr_flags, 2511 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2512 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid); 2513 /* 2514 * If we are in INIT state then the driver has never had a chance 2515 * to setup hardware state to do a scan; we must use the state 2516 * machine to get us up to the SCAN state but once we reach SCAN 2517 * state we then want to use the supplied params. Stash the 2518 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2519 * state machines will recognize this and use the stashed params 2520 * to issue the scan request. 2521 * 2522 * Otherwise just invoke the scan machinery directly. 2523 */ 2524 IEEE80211_LOCK(ic); 2525 if (ic->ic_nrunning == 0) { 2526 IEEE80211_UNLOCK(ic); 2527 return ENXIO; 2528 } 2529 2530 if (vap->iv_state == IEEE80211_S_INIT) { 2531 /* NB: clobbers previous settings */ 2532 vap->iv_scanreq_flags = sr->sr_flags; 2533 vap->iv_scanreq_duration = sr->sr_duration; 2534 vap->iv_scanreq_nssid = sr->sr_nssid; 2535 for (i = 0; i < sr->sr_nssid; i++) { 2536 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len; 2537 memcpy(vap->iv_scanreq_ssid[i].ssid, 2538 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len); 2539 } 2540 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2541 IEEE80211_UNLOCK(ic); 2542 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2543 } else { 2544 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2545 IEEE80211_UNLOCK(ic); 2546 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2547 error = ieee80211_check_scan(vap, sr->sr_flags, 2548 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2549 sr->sr_nssid, 2550 /* NB: cheat, we assume structures are compatible */ 2551 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2552 } else { 2553 error = ieee80211_start_scan(vap, sr->sr_flags, 2554 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2555 sr->sr_nssid, 2556 /* NB: cheat, we assume structures are compatible */ 2557 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2558 } 2559 if (error == 0) 2560 return EINPROGRESS; 2561 } 2562 return 0; 2563 #undef IEEE80211_IOC_SCAN_FLAGS 2564 } 2565 2566 static int 2567 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2568 { 2569 struct ieee80211_scan_req *sr; 2570 int error; 2571 2572 if (ireq->i_len != sizeof(*sr)) 2573 return EINVAL; 2574 #if defined(__DragonFly__) 2575 sr = kmalloc(sizeof(*sr), M_TEMP, M_INTWAIT | M_ZERO); 2576 #else 2577 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 2578 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2579 #endif 2580 if (sr == NULL) 2581 return ENOMEM; 2582 error = copyin(ireq->i_data, sr, sizeof(*sr)); 2583 if (error != 0) 2584 goto bad; 2585 error = ieee80211_scanreq(vap, sr); 2586 bad: 2587 IEEE80211_FREE(sr, M_TEMP); 2588 return error; 2589 } 2590 2591 static int 2592 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2593 { 2594 struct ieee80211_node *ni; 2595 struct ieee80211req_sta_vlan vlan; 2596 int error; 2597 2598 if (ireq->i_len != sizeof(vlan)) 2599 return EINVAL; 2600 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2601 if (error != 0) 2602 return error; 2603 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2604 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2605 vlan.sv_macaddr); 2606 if (ni == NULL) 2607 return ENOENT; 2608 } else 2609 ni = ieee80211_ref_node(vap->iv_bss); 2610 ni->ni_vlan = vlan.sv_vlan; 2611 ieee80211_free_node(ni); 2612 return error; 2613 } 2614 2615 static int 2616 isvap11g(const struct ieee80211vap *vap) 2617 { 2618 const struct ieee80211_node *bss = vap->iv_bss; 2619 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2620 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2621 } 2622 2623 static int 2624 isvapht(const struct ieee80211vap *vap) 2625 { 2626 const struct ieee80211_node *bss = vap->iv_bss; 2627 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2628 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2629 } 2630 2631 /* 2632 * Dummy ioctl set handler so the linker set is defined. 2633 */ 2634 static int 2635 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2636 { 2637 return ENOSYS; 2638 } 2639 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2640 2641 static int 2642 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2643 { 2644 ieee80211_ioctl_setfunc * const *set; 2645 int error; 2646 2647 SET_FOREACH(set, ieee80211_ioctl_setset) { 2648 error = (*set)(vap, ireq); 2649 if (error != ENOSYS) 2650 return error; 2651 } 2652 return EINVAL; 2653 } 2654 2655 static int 2656 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2657 { 2658 struct ieee80211com *ic = vap->iv_ic; 2659 int error; 2660 const struct ieee80211_authenticator *auth; 2661 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2662 char tmpssid[IEEE80211_NWID_LEN]; 2663 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2664 struct ieee80211_key *k; 2665 u_int kid; 2666 uint32_t flags; 2667 2668 error = 0; 2669 switch (ireq->i_type) { 2670 case IEEE80211_IOC_SSID: 2671 if (ireq->i_val != 0 || 2672 ireq->i_len > IEEE80211_NWID_LEN) 2673 return EINVAL; 2674 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2675 if (error) 2676 break; 2677 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2678 vap->iv_des_ssid[0].len = ireq->i_len; 2679 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2680 vap->iv_des_nssid = (ireq->i_len > 0); 2681 error = ENETRESET; 2682 break; 2683 case IEEE80211_IOC_WEP: 2684 switch (ireq->i_val) { 2685 case IEEE80211_WEP_OFF: 2686 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2687 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2688 break; 2689 case IEEE80211_WEP_ON: 2690 vap->iv_flags |= IEEE80211_F_PRIVACY; 2691 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2692 break; 2693 case IEEE80211_WEP_MIXED: 2694 vap->iv_flags |= IEEE80211_F_PRIVACY; 2695 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2696 break; 2697 } 2698 error = ENETRESET; 2699 break; 2700 case IEEE80211_IOC_WEPKEY: 2701 kid = (u_int) ireq->i_val; 2702 if (kid >= IEEE80211_WEP_NKID) 2703 return EINVAL; 2704 k = &vap->iv_nw_keys[kid]; 2705 if (ireq->i_len == 0) { 2706 /* zero-len =>'s delete any existing key */ 2707 (void) ieee80211_crypto_delkey(vap, k); 2708 break; 2709 } 2710 if (ireq->i_len > sizeof(tmpkey)) 2711 return EINVAL; 2712 memset(tmpkey, 0, sizeof(tmpkey)); 2713 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2714 if (error) 2715 break; 2716 ieee80211_key_update_begin(vap); 2717 k->wk_keyix = kid; /* NB: force fixed key id */ 2718 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2719 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2720 k->wk_keylen = ireq->i_len; 2721 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2722 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2723 if (!ieee80211_crypto_setkey(vap, k)) 2724 error = EINVAL; 2725 } else 2726 error = EINVAL; 2727 ieee80211_key_update_end(vap); 2728 break; 2729 case IEEE80211_IOC_WEPTXKEY: 2730 kid = (u_int) ireq->i_val; 2731 if (kid >= IEEE80211_WEP_NKID && 2732 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2733 return EINVAL; 2734 vap->iv_def_txkey = kid; 2735 break; 2736 case IEEE80211_IOC_AUTHMODE: 2737 switch (ireq->i_val) { 2738 case IEEE80211_AUTH_WPA: 2739 case IEEE80211_AUTH_8021X: /* 802.1x */ 2740 case IEEE80211_AUTH_OPEN: /* open */ 2741 case IEEE80211_AUTH_SHARED: /* shared-key */ 2742 case IEEE80211_AUTH_AUTO: /* auto */ 2743 auth = ieee80211_authenticator_get(ireq->i_val); 2744 if (auth == NULL) 2745 return EINVAL; 2746 break; 2747 default: 2748 return EINVAL; 2749 } 2750 switch (ireq->i_val) { 2751 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2752 vap->iv_flags |= IEEE80211_F_PRIVACY; 2753 ireq->i_val = IEEE80211_AUTH_8021X; 2754 break; 2755 case IEEE80211_AUTH_OPEN: /* open */ 2756 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2757 break; 2758 case IEEE80211_AUTH_SHARED: /* shared-key */ 2759 case IEEE80211_AUTH_8021X: /* 802.1x */ 2760 vap->iv_flags &= ~IEEE80211_F_WPA; 2761 /* both require a key so mark the PRIVACY capability */ 2762 vap->iv_flags |= IEEE80211_F_PRIVACY; 2763 break; 2764 case IEEE80211_AUTH_AUTO: /* auto */ 2765 vap->iv_flags &= ~IEEE80211_F_WPA; 2766 /* XXX PRIVACY handling? */ 2767 /* XXX what's the right way to do this? */ 2768 break; 2769 } 2770 /* NB: authenticator attach/detach happens on state change */ 2771 vap->iv_bss->ni_authmode = ireq->i_val; 2772 /* XXX mixed/mode/usage? */ 2773 vap->iv_auth = auth; 2774 error = ENETRESET; 2775 break; 2776 case IEEE80211_IOC_CHANNEL: 2777 error = ieee80211_ioctl_setchannel(vap, ireq); 2778 break; 2779 case IEEE80211_IOC_POWERSAVE: 2780 switch (ireq->i_val) { 2781 case IEEE80211_POWERSAVE_OFF: 2782 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2783 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2784 error = ERESTART; 2785 } 2786 break; 2787 case IEEE80211_POWERSAVE_ON: 2788 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2789 error = EOPNOTSUPP; 2790 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2791 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2792 error = ERESTART; 2793 } 2794 break; 2795 default: 2796 error = EINVAL; 2797 break; 2798 } 2799 break; 2800 case IEEE80211_IOC_POWERSAVESLEEP: 2801 if (ireq->i_val < 0) 2802 return EINVAL; 2803 ic->ic_lintval = ireq->i_val; 2804 error = ERESTART; 2805 break; 2806 case IEEE80211_IOC_RTSTHRESHOLD: 2807 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2808 ireq->i_val <= IEEE80211_RTS_MAX)) 2809 return EINVAL; 2810 vap->iv_rtsthreshold = ireq->i_val; 2811 error = ERESTART; 2812 break; 2813 case IEEE80211_IOC_PROTMODE: 2814 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2815 return EINVAL; 2816 ic->ic_protmode = (enum ieee80211_protmode)ireq->i_val; 2817 /* NB: if not operating in 11g this can wait */ 2818 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2819 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2820 error = ERESTART; 2821 break; 2822 case IEEE80211_IOC_TXPOWER: 2823 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2824 return EOPNOTSUPP; 2825 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2826 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2827 return EINVAL; 2828 ic->ic_txpowlimit = ireq->i_val; 2829 error = ERESTART; 2830 break; 2831 case IEEE80211_IOC_ROAMING: 2832 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2833 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2834 return EINVAL; 2835 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val; 2836 /* XXXX reset? */ 2837 break; 2838 case IEEE80211_IOC_PRIVACY: 2839 if (ireq->i_val) { 2840 /* XXX check for key state? */ 2841 vap->iv_flags |= IEEE80211_F_PRIVACY; 2842 } else 2843 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2844 /* XXX ERESTART? */ 2845 break; 2846 case IEEE80211_IOC_DROPUNENCRYPTED: 2847 if (ireq->i_val) 2848 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2849 else 2850 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2851 /* XXX ERESTART? */ 2852 break; 2853 case IEEE80211_IOC_WPAKEY: 2854 error = ieee80211_ioctl_setkey(vap, ireq); 2855 break; 2856 case IEEE80211_IOC_DELKEY: 2857 error = ieee80211_ioctl_delkey(vap, ireq); 2858 break; 2859 case IEEE80211_IOC_MLME: 2860 error = ieee80211_ioctl_setmlme(vap, ireq); 2861 break; 2862 case IEEE80211_IOC_COUNTERMEASURES: 2863 if (ireq->i_val) { 2864 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2865 return EOPNOTSUPP; 2866 vap->iv_flags |= IEEE80211_F_COUNTERM; 2867 } else 2868 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2869 /* XXX ERESTART? */ 2870 break; 2871 case IEEE80211_IOC_WPA: 2872 if (ireq->i_val > 3) 2873 return EINVAL; 2874 /* XXX verify ciphers available */ 2875 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2876 switch (ireq->i_val) { 2877 case 0: 2878 /* wpa_supplicant calls this to clear the WPA config */ 2879 break; 2880 case 1: 2881 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2882 return EOPNOTSUPP; 2883 flags |= IEEE80211_F_WPA1; 2884 break; 2885 case 2: 2886 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2887 return EOPNOTSUPP; 2888 flags |= IEEE80211_F_WPA2; 2889 break; 2890 case 3: 2891 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2892 return EOPNOTSUPP; 2893 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2894 break; 2895 default: /* Can't set any -> error */ 2896 return EOPNOTSUPP; 2897 } 2898 vap->iv_flags = flags; 2899 error = ERESTART; /* NB: can change beacon frame */ 2900 break; 2901 case IEEE80211_IOC_WME: 2902 if (ireq->i_val) { 2903 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 2904 return EOPNOTSUPP; 2905 ieee80211_syncflag(vap, IEEE80211_F_WME); 2906 } else 2907 ieee80211_syncflag(vap, -IEEE80211_F_WME); 2908 error = ERESTART; /* NB: can change beacon frame */ 2909 break; 2910 case IEEE80211_IOC_HIDESSID: 2911 if (ireq->i_val) 2912 vap->iv_flags |= IEEE80211_F_HIDESSID; 2913 else 2914 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 2915 error = ERESTART; /* XXX ENETRESET? */ 2916 break; 2917 case IEEE80211_IOC_APBRIDGE: 2918 if (ireq->i_val == 0) 2919 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 2920 else 2921 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 2922 break; 2923 case IEEE80211_IOC_BSSID: 2924 if (ireq->i_len != sizeof(tmpbssid)) 2925 return EINVAL; 2926 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 2927 if (error) 2928 break; 2929 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 2930 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 2931 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 2932 else 2933 vap->iv_flags |= IEEE80211_F_DESBSSID; 2934 error = ENETRESET; 2935 break; 2936 case IEEE80211_IOC_CHANLIST: 2937 error = ieee80211_ioctl_setchanlist(vap, ireq); 2938 break; 2939 #define OLD_IEEE80211_IOC_SCAN_REQ 23 2940 #ifdef OLD_IEEE80211_IOC_SCAN_REQ 2941 case OLD_IEEE80211_IOC_SCAN_REQ: 2942 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2943 "%s: active scan request\n", __func__); 2944 /* 2945 * If we are in INIT state then the driver has never 2946 * had a chance to setup hardware state to do a scan; 2947 * use the state machine to get us up the SCAN state. 2948 * Otherwise just invoke the scan machinery to start 2949 * a one-time scan. 2950 */ 2951 if (vap->iv_state == IEEE80211_S_INIT) 2952 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2953 else 2954 (void) ieee80211_start_scan(vap, 2955 IEEE80211_SCAN_ACTIVE | 2956 IEEE80211_SCAN_NOPICK | 2957 IEEE80211_SCAN_ONCE, 2958 IEEE80211_SCAN_FOREVER, 0, 0, 2959 /* XXX use ioctl params */ 2960 vap->iv_des_nssid, vap->iv_des_ssid); 2961 break; 2962 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 2963 case IEEE80211_IOC_SCAN_REQ: 2964 error = ieee80211_ioctl_scanreq(vap, ireq); 2965 break; 2966 case IEEE80211_IOC_SCAN_CANCEL: 2967 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2968 "%s: cancel scan\n", __func__); 2969 ieee80211_cancel_scan(vap); 2970 break; 2971 case IEEE80211_IOC_HTCONF: 2972 if (ireq->i_val & 1) 2973 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 2974 else 2975 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 2976 if (ireq->i_val & 2) 2977 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 2978 else 2979 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 2980 error = ENETRESET; 2981 break; 2982 case IEEE80211_IOC_ADDMAC: 2983 case IEEE80211_IOC_DELMAC: 2984 error = ieee80211_ioctl_macmac(vap, ireq); 2985 break; 2986 case IEEE80211_IOC_MACCMD: 2987 error = ieee80211_ioctl_setmaccmd(vap, ireq); 2988 break; 2989 case IEEE80211_IOC_STA_STATS: 2990 error = ieee80211_ioctl_setstastats(vap, ireq); 2991 break; 2992 case IEEE80211_IOC_STA_TXPOW: 2993 error = ieee80211_ioctl_setstatxpow(vap, ireq); 2994 break; 2995 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 2996 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 2997 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 2998 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 2999 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 3000 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 3001 error = ieee80211_ioctl_setwmeparam(vap, ireq); 3002 break; 3003 case IEEE80211_IOC_DTIM_PERIOD: 3004 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3005 vap->iv_opmode != IEEE80211_M_MBSS && 3006 vap->iv_opmode != IEEE80211_M_IBSS) 3007 return EINVAL; 3008 if (IEEE80211_DTIM_MIN <= ireq->i_val && 3009 ireq->i_val <= IEEE80211_DTIM_MAX) { 3010 vap->iv_dtim_period = ireq->i_val; 3011 error = ENETRESET; /* requires restart */ 3012 } else 3013 error = EINVAL; 3014 break; 3015 case IEEE80211_IOC_BEACON_INTERVAL: 3016 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3017 vap->iv_opmode != IEEE80211_M_MBSS && 3018 vap->iv_opmode != IEEE80211_M_IBSS) 3019 return EINVAL; 3020 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 3021 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 3022 ic->ic_bintval = ireq->i_val; 3023 error = ENETRESET; /* requires restart */ 3024 } else 3025 error = EINVAL; 3026 break; 3027 case IEEE80211_IOC_PUREG: 3028 if (ireq->i_val) 3029 vap->iv_flags |= IEEE80211_F_PUREG; 3030 else 3031 vap->iv_flags &= ~IEEE80211_F_PUREG; 3032 /* NB: reset only if we're operating on an 11g channel */ 3033 if (isvap11g(vap)) 3034 error = ENETRESET; 3035 break; 3036 case IEEE80211_IOC_QUIET: 3037 vap->iv_quiet= ireq->i_val; 3038 break; 3039 case IEEE80211_IOC_QUIET_COUNT: 3040 vap->iv_quiet_count=ireq->i_val; 3041 break; 3042 case IEEE80211_IOC_QUIET_PERIOD: 3043 vap->iv_quiet_period=ireq->i_val; 3044 break; 3045 case IEEE80211_IOC_QUIET_OFFSET: 3046 vap->iv_quiet_offset=ireq->i_val; 3047 break; 3048 case IEEE80211_IOC_QUIET_DUR: 3049 if(ireq->i_val < vap->iv_bss->ni_intval) 3050 vap->iv_quiet_duration = ireq->i_val; 3051 else 3052 error = EINVAL; 3053 break; 3054 case IEEE80211_IOC_BGSCAN: 3055 if (ireq->i_val) { 3056 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 3057 return EOPNOTSUPP; 3058 vap->iv_flags |= IEEE80211_F_BGSCAN; 3059 } else 3060 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 3061 break; 3062 case IEEE80211_IOC_BGSCAN_IDLE: 3063 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 3064 vap->iv_bgscanidle = ireq->i_val*hz/1000; 3065 else 3066 error = EINVAL; 3067 break; 3068 case IEEE80211_IOC_BGSCAN_INTERVAL: 3069 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 3070 vap->iv_bgscanintvl = ireq->i_val*hz; 3071 else 3072 error = EINVAL; 3073 break; 3074 case IEEE80211_IOC_SCANVALID: 3075 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 3076 vap->iv_scanvalid = ireq->i_val*hz; 3077 else 3078 error = EINVAL; 3079 break; 3080 case IEEE80211_IOC_FRAGTHRESHOLD: 3081 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 3082 ireq->i_val != IEEE80211_FRAG_MAX) 3083 return EOPNOTSUPP; 3084 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 3085 ireq->i_val <= IEEE80211_FRAG_MAX)) 3086 return EINVAL; 3087 vap->iv_fragthreshold = ireq->i_val; 3088 error = ERESTART; 3089 break; 3090 case IEEE80211_IOC_BURST: 3091 if (ireq->i_val) { 3092 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 3093 return EOPNOTSUPP; 3094 ieee80211_syncflag(vap, IEEE80211_F_BURST); 3095 } else 3096 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 3097 error = ERESTART; 3098 break; 3099 case IEEE80211_IOC_BMISSTHRESHOLD: 3100 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 3101 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 3102 return EINVAL; 3103 vap->iv_bmissthreshold = ireq->i_val; 3104 error = ERESTART; 3105 break; 3106 case IEEE80211_IOC_CURCHAN: 3107 error = ieee80211_ioctl_setcurchan(vap, ireq); 3108 break; 3109 case IEEE80211_IOC_SHORTGI: 3110 if (ireq->i_val) { 3111 #define IEEE80211_HTCAP_SHORTGI \ 3112 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 3113 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 3114 return EINVAL; 3115 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 3116 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 3117 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 3118 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 3119 #undef IEEE80211_HTCAP_SHORTGI 3120 } else 3121 vap->iv_flags_ht &= 3122 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 3123 error = ERESTART; 3124 break; 3125 case IEEE80211_IOC_AMPDU: 3126 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 3127 return EINVAL; 3128 if (ireq->i_val & 1) 3129 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 3130 else 3131 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 3132 if (ireq->i_val & 2) 3133 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 3134 else 3135 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 3136 /* NB: reset only if we're operating on an 11n channel */ 3137 if (isvapht(vap)) 3138 error = ERESTART; 3139 break; 3140 case IEEE80211_IOC_AMPDU_LIMIT: 3141 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 3142 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 3143 return EINVAL; 3144 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 3145 vap->iv_ampdu_rxmax = ireq->i_val; 3146 else 3147 vap->iv_ampdu_limit = ireq->i_val; 3148 error = ERESTART; 3149 break; 3150 case IEEE80211_IOC_AMPDU_DENSITY: 3151 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 3152 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 3153 return EINVAL; 3154 vap->iv_ampdu_density = ireq->i_val; 3155 error = ERESTART; 3156 break; 3157 case IEEE80211_IOC_AMSDU: 3158 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 3159 return EINVAL; 3160 if (ireq->i_val & 1) 3161 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 3162 else 3163 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 3164 if (ireq->i_val & 2) 3165 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 3166 else 3167 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 3168 /* NB: reset only if we're operating on an 11n channel */ 3169 if (isvapht(vap)) 3170 error = ERESTART; 3171 break; 3172 case IEEE80211_IOC_AMSDU_LIMIT: 3173 /* XXX validate */ 3174 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 3175 break; 3176 case IEEE80211_IOC_PUREN: 3177 if (ireq->i_val) { 3178 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3179 return EINVAL; 3180 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3181 } else 3182 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3183 /* NB: reset only if we're operating on an 11n channel */ 3184 if (isvapht(vap)) 3185 error = ERESTART; 3186 break; 3187 case IEEE80211_IOC_DOTH: 3188 if (ireq->i_val) { 3189 #if 0 3190 /* XXX no capability */ 3191 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3192 return EOPNOTSUPP; 3193 #endif 3194 vap->iv_flags |= IEEE80211_F_DOTH; 3195 } else 3196 vap->iv_flags &= ~IEEE80211_F_DOTH; 3197 error = ENETRESET; 3198 break; 3199 case IEEE80211_IOC_REGDOMAIN: 3200 error = ieee80211_ioctl_setregdomain(vap, ireq); 3201 break; 3202 case IEEE80211_IOC_ROAM: 3203 error = ieee80211_ioctl_setroam(vap, ireq); 3204 break; 3205 case IEEE80211_IOC_TXPARAMS: 3206 error = ieee80211_ioctl_settxparams(vap, ireq); 3207 break; 3208 case IEEE80211_IOC_HTCOMPAT: 3209 if (ireq->i_val) { 3210 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3211 return EOPNOTSUPP; 3212 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3213 } else 3214 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 3215 /* NB: reset only if we're operating on an 11n channel */ 3216 if (isvapht(vap)) 3217 error = ERESTART; 3218 break; 3219 case IEEE80211_IOC_DWDS: 3220 if (ireq->i_val) { 3221 /* NB: DWDS only makes sense for WDS-capable devices */ 3222 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3223 return EOPNOTSUPP; 3224 /* NB: DWDS is used only with ap+sta vaps */ 3225 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3226 vap->iv_opmode != IEEE80211_M_STA) 3227 return EINVAL; 3228 vap->iv_flags |= IEEE80211_F_DWDS; 3229 if (vap->iv_opmode == IEEE80211_M_STA) 3230 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3231 } else { 3232 vap->iv_flags &= ~IEEE80211_F_DWDS; 3233 if (vap->iv_opmode == IEEE80211_M_STA) 3234 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3235 } 3236 break; 3237 case IEEE80211_IOC_INACTIVITY: 3238 if (ireq->i_val) 3239 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3240 else 3241 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3242 break; 3243 case IEEE80211_IOC_APPIE: 3244 error = ieee80211_ioctl_setappie(vap, ireq); 3245 break; 3246 case IEEE80211_IOC_WPS: 3247 if (ireq->i_val) { 3248 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3249 return EOPNOTSUPP; 3250 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3251 } else 3252 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3253 break; 3254 case IEEE80211_IOC_TSN: 3255 if (ireq->i_val) { 3256 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3257 return EOPNOTSUPP; 3258 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3259 } else 3260 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3261 break; 3262 case IEEE80211_IOC_CHANSWITCH: 3263 error = ieee80211_ioctl_chanswitch(vap, ireq); 3264 break; 3265 case IEEE80211_IOC_DFS: 3266 if (ireq->i_val) { 3267 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3268 return EOPNOTSUPP; 3269 /* NB: DFS requires 11h support */ 3270 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3271 return EINVAL; 3272 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3273 } else 3274 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3275 break; 3276 case IEEE80211_IOC_DOTD: 3277 if (ireq->i_val) 3278 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3279 else 3280 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3281 if (vap->iv_opmode == IEEE80211_M_STA) 3282 error = ENETRESET; 3283 break; 3284 case IEEE80211_IOC_HTPROTMODE: 3285 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3286 return EINVAL; 3287 ic->ic_htprotmode = ireq->i_val ? 3288 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3289 /* NB: if not operating in 11n this can wait */ 3290 if (isvapht(vap)) 3291 error = ERESTART; 3292 break; 3293 case IEEE80211_IOC_STA_VLAN: 3294 error = ieee80211_ioctl_setstavlan(vap, ireq); 3295 break; 3296 case IEEE80211_IOC_SMPS: 3297 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3298 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3299 return EINVAL; 3300 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3301 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3302 return EOPNOTSUPP; 3303 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3304 ireq->i_val; 3305 /* NB: if not operating in 11n this can wait */ 3306 if (isvapht(vap)) 3307 error = ERESTART; 3308 break; 3309 case IEEE80211_IOC_RIFS: 3310 if (ireq->i_val != 0) { 3311 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3312 return EOPNOTSUPP; 3313 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3314 } else 3315 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3316 /* NB: if not operating in 11n this can wait */ 3317 if (isvapht(vap)) 3318 error = ERESTART; 3319 break; 3320 case IEEE80211_IOC_STBC: 3321 /* Check if we can do STBC TX/RX before changing the setting */ 3322 if ((ireq->i_val & 1) && 3323 ((vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) == 0)) 3324 return EOPNOTSUPP; 3325 if ((ireq->i_val & 2) && 3326 ((vap->iv_htcaps & IEEE80211_HTCAP_RXSTBC) == 0)) 3327 return EOPNOTSUPP; 3328 3329 /* TX */ 3330 if (ireq->i_val & 1) 3331 vap->iv_flags_ht |= IEEE80211_FHT_STBC_TX; 3332 else 3333 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_TX; 3334 3335 /* RX */ 3336 if (ireq->i_val & 2) 3337 vap->iv_flags_ht |= IEEE80211_FHT_STBC_RX; 3338 else 3339 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_RX; 3340 3341 /* NB: reset only if we're operating on an 11n channel */ 3342 if (isvapht(vap)) 3343 error = ERESTART; 3344 break; 3345 default: 3346 error = ieee80211_ioctl_setdefault(vap, ireq); 3347 break; 3348 } 3349 /* 3350 * The convention is that ENETRESET means an operation 3351 * requires a complete re-initialization of the device (e.g. 3352 * changing something that affects the association state). 3353 * ERESTART means the request may be handled with only a 3354 * reload of the hardware state. We hand ERESTART requests 3355 * to the iv_reset callback so the driver can decide. If 3356 * a device does not fillin iv_reset then it defaults to one 3357 * that returns ENETRESET. Otherwise a driver may return 3358 * ENETRESET (in which case a full reset will be done) or 3359 * 0 to mean there's no need to do anything (e.g. when the 3360 * change has no effect on the driver/device). 3361 */ 3362 if (error == ERESTART) 3363 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3364 vap->iv_reset(vap, ireq->i_type) : 0; 3365 if (error == ENETRESET) { 3366 /* XXX need to re-think AUTO handling */ 3367 if (IS_UP_AUTO(vap)) 3368 ieee80211_init(vap); 3369 error = 0; 3370 } 3371 return error; 3372 } 3373 3374 #if defined(__DragonFly__) 3375 int 3376 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data, struct ucred *ucred) 3377 #else 3378 int 3379 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3380 #endif 3381 { 3382 struct ieee80211vap *vap = ifp->if_softc; 3383 struct ieee80211com *ic = vap->iv_ic; 3384 int error = 0, wait = 0; 3385 struct ifreq *ifr; 3386 struct ifaddr *ifa; /* XXX */ 3387 3388 switch (cmd) { 3389 case SIOCSIFFLAGS: 3390 IEEE80211_LOCK(ic); 3391 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_PROMISC) { 3392 /* 3393 * Enable promiscuous mode when: 3394 * 1. Interface is not a member of bridge, or 3395 * 2. Requested by user, or 3396 * 3. In monitor (or adhoc-demo) mode. 3397 */ 3398 if (ifp->if_bridge == NULL || 3399 (ifp->if_flags & IFF_PPROMISC) != 0 || 3400 vap->iv_opmode == IEEE80211_M_MONITOR || 3401 (vap->iv_opmode == IEEE80211_M_AHDEMO && 3402 (vap->iv_caps & IEEE80211_C_TDMA) == 0)) { 3403 ieee80211_promisc(vap, 3404 ifp->if_flags & IFF_PROMISC); 3405 vap->iv_ifflags ^= IFF_PROMISC; 3406 } 3407 } 3408 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_ALLMULTI) { 3409 ieee80211_allmulti(vap, ifp->if_flags & IFF_ALLMULTI); 3410 vap->iv_ifflags ^= IFF_ALLMULTI; 3411 } 3412 if (ifp->if_flags & IFF_UP) { 3413 /* 3414 * Bring ourself up unless we're already operational. 3415 * If we're the first vap and the parent is not up 3416 * then it will automatically be brought up as a 3417 * side-effect of bringing ourself up. 3418 */ 3419 if (vap->iv_state == IEEE80211_S_INIT) { 3420 if (ic->ic_nrunning == 0) 3421 wait = 1; 3422 ieee80211_start_locked(vap); 3423 } 3424 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 3425 /* 3426 * Stop ourself. If we are the last vap to be 3427 * marked down the parent will also be taken down. 3428 */ 3429 if (ic->ic_nrunning == 1) 3430 wait = 1; 3431 ieee80211_stop_locked(vap); 3432 } 3433 IEEE80211_UNLOCK(ic); 3434 /* Wait for parent ioctl handler if it was queued */ 3435 if (wait) { 3436 #if defined(__DragonFly__) 3437 /* DragonFly: release serializer to avoid deadlock */ 3438 wlan_serialize_exit(); 3439 #endif 3440 ieee80211_waitfor_parent(ic); 3441 3442 /* 3443 * Check if the MAC address was changed 3444 * via SIOCSIFLLADDR ioctl. 3445 */ 3446 if ((ifp->if_flags & IFF_UP) == 0 && 3447 !IEEE80211_ADDR_EQ(vap->iv_myaddr, IF_LLADDR(ifp))) 3448 IEEE80211_ADDR_COPY(vap->iv_myaddr, 3449 IF_LLADDR(ifp)); 3450 #if defined(__DragonFly__) 3451 wlan_serialize_enter(); 3452 #endif 3453 } 3454 break; 3455 case SIOCADDMULTI: 3456 case SIOCDELMULTI: 3457 /* DragonFly: serializer must be held */ 3458 ieee80211_runtask(ic, &ic->ic_mcast_task); 3459 break; 3460 case SIOCSIFMEDIA: 3461 case SIOCGIFMEDIA: 3462 /* DragonFly: serializer must be held */ 3463 ifr = (struct ifreq *)data; 3464 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3465 break; 3466 case SIOCG80211: 3467 error = ieee80211_ioctl_get80211(vap, cmd, 3468 (struct ieee80211req *) data); 3469 break; 3470 case SIOCS80211: 3471 error = priv_check(curthread, PRIV_NET80211_MANAGE); 3472 if (error == 0) 3473 error = ieee80211_ioctl_set80211(vap, cmd, 3474 (struct ieee80211req *) data); 3475 break; 3476 case SIOCG80211STATS: 3477 ifr = (struct ifreq *)data; 3478 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats)); 3479 break; 3480 case SIOCSIFMTU: 3481 ifr = (struct ifreq *)data; 3482 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3483 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3484 error = EINVAL; 3485 else 3486 ifp->if_mtu = ifr->ifr_mtu; 3487 break; 3488 case SIOCSIFADDR: 3489 /* 3490 * XXX Handle this directly so we can suppress if_init calls. 3491 * XXX This should be done in ether_ioctl but for the moment 3492 * XXX there are too many other parts of the system that 3493 * XXX set IFF_UP and so suppress if_init being called when 3494 * XXX it should be. 3495 */ 3496 ifa = (struct ifaddr *) data; 3497 switch (ifa->ifa_addr->sa_family) { 3498 #ifdef INET 3499 case AF_INET: 3500 if ((ifp->if_flags & IFF_UP) == 0) { 3501 ifp->if_flags |= IFF_UP; 3502 ifp->if_init(ifp->if_softc); 3503 } 3504 arp_ifinit(ifp, ifa); 3505 break; 3506 #endif 3507 default: 3508 if ((ifp->if_flags & IFF_UP) == 0) { 3509 ifp->if_flags |= IFF_UP; 3510 ifp->if_init(ifp->if_softc); 3511 } 3512 break; 3513 } 3514 break; 3515 default: 3516 /* 3517 * Pass unknown ioctls first to the driver, and if it 3518 * returns ENOTTY, then to the generic Ethernet handler. 3519 */ 3520 if (ic->ic_ioctl != NULL && 3521 (error = ic->ic_ioctl(ic, cmd, data)) != ENOTTY) 3522 break; 3523 /* DragonFly: serializer must be held */ 3524 error = ether_ioctl(ifp, cmd, data); 3525 break; 3526 } 3527 return (error); 3528 } 3529