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/priv.h> 41 #include <sys/socket.h> 42 #include <sys/sockio.h> 43 #include <sys/systm.h> 44 45 #include <net/if.h> 46 #include <net/if_var.h> 47 #include <net/if_dl.h> 48 #include <net/if_media.h> 49 #include <net/ethernet.h> 50 51 #ifdef INET 52 #include <netinet/in.h> 53 #include <netinet/if_ether.h> 54 #endif 55 56 #include <net80211/ieee80211_var.h> 57 #include <net80211/ieee80211_ioctl.h> 58 #include <net80211/ieee80211_regdomain.h> 59 #include <net80211/ieee80211_input.h> 60 61 #define IS_UP_AUTO(_vap) \ 62 (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \ 63 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO) 64 65 static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 66 static struct ieee80211_channel *findchannel(struct ieee80211com *, 67 int ieee, int mode); 68 static int ieee80211_scanreq(struct ieee80211vap *, 69 struct ieee80211_scan_req *); 70 71 static __noinline int 72 ieee80211_ioctl_getkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 73 { 74 struct ieee80211com *ic = vap->iv_ic; 75 struct ieee80211_node *ni; 76 struct ieee80211req_key ik; 77 struct ieee80211_key *wk; 78 const struct ieee80211_cipher *cip; 79 u_int kid; 80 int error; 81 82 if (ireq->i_len != sizeof(ik)) 83 return EINVAL; 84 error = copyin(ireq->i_data, &ik, sizeof(ik)); 85 if (error) 86 return error; 87 kid = ik.ik_keyix; 88 if (kid == IEEE80211_KEYIX_NONE) { 89 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr); 90 if (ni == NULL) 91 return ENOENT; 92 wk = &ni->ni_ucastkey; 93 } else { 94 if (kid >= IEEE80211_WEP_NKID) 95 return EINVAL; 96 wk = &vap->iv_nw_keys[kid]; 97 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr); 98 ni = NULL; 99 } 100 cip = wk->wk_cipher; 101 ik.ik_type = cip->ic_cipher; 102 ik.ik_keylen = wk->wk_keylen; 103 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 104 if (wk->wk_keyix == vap->iv_def_txkey) 105 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 106 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 107 /* NB: only root can read key data */ 108 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID]; 109 ik.ik_keytsc = wk->wk_keytsc; 110 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 111 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 112 memcpy(ik.ik_keydata+wk->wk_keylen, 113 wk->wk_key + IEEE80211_KEYBUF_SIZE, 114 IEEE80211_MICBUF_SIZE); 115 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 116 } 117 } else { 118 ik.ik_keyrsc = 0; 119 ik.ik_keytsc = 0; 120 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 121 } 122 if (ni != NULL) 123 ieee80211_free_node(ni); 124 return copyout(&ik, ireq->i_data, sizeof(ik)); 125 } 126 127 static __noinline int 128 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 129 { 130 struct ieee80211com *ic = vap->iv_ic; 131 132 if (sizeof(ic->ic_chan_active) < ireq->i_len) 133 ireq->i_len = sizeof(ic->ic_chan_active); 134 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); 135 } 136 137 static __noinline int 138 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 139 { 140 struct ieee80211com *ic = vap->iv_ic; 141 uint32_t space; 142 143 space = __offsetof(struct ieee80211req_chaninfo, 144 ic_chans[ic->ic_nchans]); 145 if (space > ireq->i_len) 146 space = ireq->i_len; 147 /* XXX assumes compatible layout */ 148 return copyout(&ic->ic_nchans, ireq->i_data, space); 149 } 150 151 static __noinline int 152 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap, 153 struct ieee80211req *ireq, int req) 154 { 155 struct ieee80211_node *ni; 156 struct ieee80211req_wpaie2 wpaie; 157 int error; 158 159 if (ireq->i_len < IEEE80211_ADDR_LEN) 160 return EINVAL; 161 error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN); 162 if (error != 0) 163 return error; 164 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie.wpa_macaddr); 165 if (ni == NULL) 166 return ENOENT; 167 memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie)); 168 if (ni->ni_ies.wpa_ie != NULL) { 169 int ielen = ni->ni_ies.wpa_ie[1] + 2; 170 if (ielen > sizeof(wpaie.wpa_ie)) 171 ielen = sizeof(wpaie.wpa_ie); 172 memcpy(wpaie.wpa_ie, ni->ni_ies.wpa_ie, ielen); 173 } 174 if (req == IEEE80211_IOC_WPAIE2) { 175 memset(wpaie.rsn_ie, 0, sizeof(wpaie.rsn_ie)); 176 if (ni->ni_ies.rsn_ie != NULL) { 177 int ielen = ni->ni_ies.rsn_ie[1] + 2; 178 if (ielen > sizeof(wpaie.rsn_ie)) 179 ielen = sizeof(wpaie.rsn_ie); 180 memcpy(wpaie.rsn_ie, ni->ni_ies.rsn_ie, ielen); 181 } 182 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2)) 183 ireq->i_len = sizeof(struct ieee80211req_wpaie2); 184 } else { 185 /* compatibility op, may overwrite wpa ie */ 186 /* XXX check ic_flags? */ 187 if (ni->ni_ies.rsn_ie != NULL) { 188 int ielen = ni->ni_ies.rsn_ie[1] + 2; 189 if (ielen > sizeof(wpaie.wpa_ie)) 190 ielen = sizeof(wpaie.wpa_ie); 191 memcpy(wpaie.wpa_ie, ni->ni_ies.rsn_ie, ielen); 192 } 193 if (ireq->i_len > sizeof(struct ieee80211req_wpaie)) 194 ireq->i_len = sizeof(struct ieee80211req_wpaie); 195 } 196 ieee80211_free_node(ni); 197 return copyout(&wpaie, ireq->i_data, ireq->i_len); 198 } 199 200 static __noinline int 201 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 202 { 203 struct ieee80211_node *ni; 204 uint8_t macaddr[IEEE80211_ADDR_LEN]; 205 const size_t off = __offsetof(struct ieee80211req_sta_stats, is_stats); 206 int error; 207 208 if (ireq->i_len < off) 209 return EINVAL; 210 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 211 if (error != 0) 212 return error; 213 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 214 if (ni == NULL) 215 return ENOENT; 216 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 217 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 218 /* NB: copy out only the statistics */ 219 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off, 220 ireq->i_len - off); 221 ieee80211_free_node(ni); 222 return error; 223 } 224 225 struct scanreq { 226 struct ieee80211req_scan_result *sr; 227 size_t space; 228 }; 229 230 static size_t 231 scan_space(const struct ieee80211_scan_entry *se, int *ielen) 232 { 233 size_t len; 234 235 *ielen = se->se_ies.len; 236 /* 237 * NB: ie's can be no more than 255 bytes and the max 802.11 238 * packet is <3Kbytes so we are sure this doesn't overflow 239 * 16-bits; if this is a concern we can drop the ie's. 240 */ 241 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + 242 se->se_meshid[1] + *ielen; 243 return roundup(len, sizeof(uint32_t)); 244 } 245 246 static void 247 get_scan_space(void *arg, const struct ieee80211_scan_entry *se) 248 { 249 struct scanreq *req = arg; 250 int ielen; 251 252 req->space += scan_space(se, &ielen); 253 } 254 255 static __noinline void 256 get_scan_result(void *arg, const struct ieee80211_scan_entry *se) 257 { 258 struct scanreq *req = arg; 259 struct ieee80211req_scan_result *sr; 260 int ielen, len, nr, nxr; 261 uint8_t *cp; 262 263 len = scan_space(se, &ielen); 264 if (len > req->space) 265 return; 266 267 sr = req->sr; 268 KASSERT(len <= 65535 && ielen <= 65535, 269 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen)); 270 sr->isr_len = len; 271 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result); 272 sr->isr_ie_len = ielen; 273 sr->isr_freq = se->se_chan->ic_freq; 274 sr->isr_flags = se->se_chan->ic_flags; 275 sr->isr_rssi = se->se_rssi; 276 sr->isr_noise = se->se_noise; 277 sr->isr_intval = se->se_intval; 278 sr->isr_capinfo = se->se_capinfo; 279 sr->isr_erp = se->se_erp; 280 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid); 281 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE); 282 memcpy(sr->isr_rates, se->se_rates+2, nr); 283 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr); 284 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr); 285 sr->isr_nrates = nr + nxr; 286 287 /* copy SSID */ 288 sr->isr_ssid_len = se->se_ssid[1]; 289 cp = ((uint8_t *)sr) + sr->isr_ie_off; 290 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len); 291 292 /* copy mesh id */ 293 cp += sr->isr_ssid_len; 294 sr->isr_meshid_len = se->se_meshid[1]; 295 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len); 296 cp += sr->isr_meshid_len; 297 298 if (ielen) 299 memcpy(cp, se->se_ies.data, ielen); 300 301 req->space -= len; 302 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len); 303 } 304 305 static __noinline int 306 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap, 307 struct ieee80211req *ireq) 308 { 309 struct scanreq req; 310 int error; 311 312 if (ireq->i_len < sizeof(struct scanreq)) 313 return EFAULT; 314 315 error = 0; 316 req.space = 0; 317 ieee80211_scan_iterate(vap, get_scan_space, &req); 318 if (req.space > ireq->i_len) 319 req.space = ireq->i_len; 320 if (req.space > 0) { 321 uint32_t space; 322 void *p; 323 324 space = req.space; 325 /* XXX M_WAITOK after driver lock released */ 326 p = IEEE80211_MALLOC(space, M_TEMP, 327 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 328 if (p == NULL) 329 return ENOMEM; 330 req.sr = p; 331 ieee80211_scan_iterate(vap, get_scan_result, &req); 332 ireq->i_len = space - req.space; 333 error = copyout(p, ireq->i_data, ireq->i_len); 334 IEEE80211_FREE(p, M_TEMP); 335 } else 336 ireq->i_len = 0; 337 338 return error; 339 } 340 341 struct stainforeq { 342 struct ieee80211vap *vap; 343 struct ieee80211req_sta_info *si; 344 size_t space; 345 }; 346 347 static size_t 348 sta_space(const struct ieee80211_node *ni, size_t *ielen) 349 { 350 *ielen = ni->ni_ies.len; 351 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, 352 sizeof(uint32_t)); 353 } 354 355 static void 356 get_sta_space(void *arg, struct ieee80211_node *ni) 357 { 358 struct stainforeq *req = arg; 359 size_t ielen; 360 361 if (req->vap != ni->ni_vap) 362 return; 363 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP && 364 ni->ni_associd == 0) /* only associated stations */ 365 return; 366 req->space += sta_space(ni, &ielen); 367 } 368 369 static __noinline void 370 get_sta_info(void *arg, struct ieee80211_node *ni) 371 { 372 struct stainforeq *req = arg; 373 struct ieee80211vap *vap = ni->ni_vap; 374 struct ieee80211req_sta_info *si; 375 size_t ielen, len; 376 uint8_t *cp; 377 378 if (req->vap != ni->ni_vap) 379 return; 380 if (vap->iv_opmode == IEEE80211_M_HOSTAP && 381 ni->ni_associd == 0) /* only associated stations */ 382 return; 383 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 384 return; 385 len = sta_space(ni, &ielen); 386 if (len > req->space) 387 return; 388 si = req->si; 389 si->isi_len = len; 390 si->isi_ie_off = sizeof(struct ieee80211req_sta_info); 391 si->isi_ie_len = ielen; 392 si->isi_freq = ni->ni_chan->ic_freq; 393 si->isi_flags = ni->ni_chan->ic_flags; 394 si->isi_state = ni->ni_flags; 395 si->isi_authmode = ni->ni_authmode; 396 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise); 397 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo); 398 si->isi_capinfo = ni->ni_capinfo; 399 si->isi_erp = ni->ni_erp; 400 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 401 si->isi_nrates = ni->ni_rates.rs_nrates; 402 if (si->isi_nrates > 15) 403 si->isi_nrates = 15; 404 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 405 si->isi_txrate = ni->ni_txrate; 406 if (si->isi_txrate & IEEE80211_RATE_MCS) { 407 const struct ieee80211_mcs_rates *mcs = 408 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS]; 409 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) { 410 if (ni->ni_flags & IEEE80211_NODE_SGI40) 411 si->isi_txmbps = mcs->ht40_rate_800ns; 412 else 413 si->isi_txmbps = mcs->ht40_rate_400ns; 414 } else { 415 if (ni->ni_flags & IEEE80211_NODE_SGI20) 416 si->isi_txmbps = mcs->ht20_rate_800ns; 417 else 418 si->isi_txmbps = mcs->ht20_rate_400ns; 419 } 420 } else 421 si->isi_txmbps = si->isi_txrate; 422 si->isi_associd = ni->ni_associd; 423 si->isi_txpower = ni->ni_txpower; 424 si->isi_vlan = ni->ni_vlan; 425 if (ni->ni_flags & IEEE80211_NODE_QOS) { 426 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 427 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 428 } else { 429 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID]; 430 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID]; 431 } 432 /* NB: leave all cases in case we relax ni_associd == 0 check */ 433 if (ieee80211_node_is_authorized(ni)) 434 si->isi_inact = vap->iv_inact_run; 435 else if (ni->ni_associd != 0 || 436 (vap->iv_opmode == IEEE80211_M_WDS && 437 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY))) 438 si->isi_inact = vap->iv_inact_auth; 439 else 440 si->isi_inact = vap->iv_inact_init; 441 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 442 si->isi_localid = ni->ni_mllid; 443 si->isi_peerid = ni->ni_mlpid; 444 si->isi_peerstate = ni->ni_mlstate; 445 446 if (ielen) { 447 cp = ((uint8_t *)si) + si->isi_ie_off; 448 memcpy(cp, ni->ni_ies.data, ielen); 449 } 450 451 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len); 452 req->space -= len; 453 } 454 455 static __noinline int 456 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq, 457 struct ieee80211_node *ni, size_t off) 458 { 459 struct ieee80211com *ic = vap->iv_ic; 460 struct stainforeq req; 461 size_t space; 462 void *p; 463 int error; 464 465 error = 0; 466 req.space = 0; 467 req.vap = vap; 468 if (ni == NULL) 469 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req); 470 else 471 get_sta_space(&req, ni); 472 if (req.space > ireq->i_len) 473 req.space = ireq->i_len; 474 if (req.space > 0) { 475 space = req.space; 476 /* XXX M_WAITOK after driver lock released */ 477 p = IEEE80211_MALLOC(space, M_TEMP, 478 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 479 if (p == NULL) { 480 error = ENOMEM; 481 goto bad; 482 } 483 req.si = p; 484 if (ni == NULL) 485 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req); 486 else 487 get_sta_info(&req, ni); 488 ireq->i_len = space - req.space; 489 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len); 490 IEEE80211_FREE(p, M_TEMP); 491 } else 492 ireq->i_len = 0; 493 bad: 494 if (ni != NULL) 495 ieee80211_free_node(ni); 496 return error; 497 } 498 499 static __noinline int 500 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 501 { 502 uint8_t macaddr[IEEE80211_ADDR_LEN]; 503 const size_t off = __offsetof(struct ieee80211req_sta_req, info); 504 struct ieee80211_node *ni; 505 int error; 506 507 if (ireq->i_len < sizeof(struct ieee80211req_sta_req)) 508 return EFAULT; 509 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 510 if (error != 0) 511 return error; 512 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) { 513 ni = NULL; 514 } else { 515 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 516 if (ni == NULL) 517 return ENOENT; 518 } 519 return getstainfo_common(vap, ireq, ni, off); 520 } 521 522 static __noinline int 523 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 524 { 525 struct ieee80211_node *ni; 526 struct ieee80211req_sta_txpow txpow; 527 int error; 528 529 if (ireq->i_len != sizeof(txpow)) 530 return EINVAL; 531 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 532 if (error != 0) 533 return error; 534 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 535 if (ni == NULL) 536 return ENOENT; 537 txpow.it_txpow = ni->ni_txpower; 538 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 539 ieee80211_free_node(ni); 540 return error; 541 } 542 543 static __noinline int 544 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 545 { 546 struct ieee80211com *ic = vap->iv_ic; 547 struct ieee80211_wme_state *wme = &ic->ic_wme; 548 struct wmeParams *wmep; 549 int ac; 550 551 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 552 return EINVAL; 553 554 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 555 if (ac >= WME_NUM_AC) 556 ac = WME_AC_BE; 557 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 558 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 559 else 560 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 561 switch (ireq->i_type) { 562 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 563 ireq->i_val = wmep->wmep_logcwmin; 564 break; 565 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 566 ireq->i_val = wmep->wmep_logcwmax; 567 break; 568 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 569 ireq->i_val = wmep->wmep_aifsn; 570 break; 571 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 572 ireq->i_val = wmep->wmep_txopLimit; 573 break; 574 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 575 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 576 ireq->i_val = wmep->wmep_acm; 577 break; 578 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 579 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 580 ireq->i_val = !wmep->wmep_noackPolicy; 581 break; 582 } 583 return 0; 584 } 585 586 static __noinline int 587 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 588 { 589 const struct ieee80211_aclator *acl = vap->iv_acl; 590 591 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq)); 592 } 593 594 static __noinline int 595 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq) 596 { 597 struct ieee80211com *ic = vap->iv_ic; 598 struct ieee80211_channel *c; 599 600 if (ireq->i_len != sizeof(struct ieee80211_channel)) 601 return EINVAL; 602 /* 603 * vap's may have different operating channels when HT is 604 * in use. When in RUN state report the vap-specific channel. 605 * Otherwise return curchan. 606 */ 607 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 608 c = vap->iv_bss->ni_chan; 609 else 610 c = ic->ic_curchan; 611 return copyout(c, ireq->i_data, sizeof(*c)); 612 } 613 614 static int 615 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq) 616 { 617 if (aie == NULL) 618 return EINVAL; 619 /* NB: truncate, caller can check length */ 620 if (ireq->i_len > aie->ie_len) 621 ireq->i_len = aie->ie_len; 622 return copyout(aie->ie_data, ireq->i_data, ireq->i_len); 623 } 624 625 static int 626 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq) 627 { 628 uint8_t fc0; 629 630 fc0 = ireq->i_val & 0xff; 631 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 632 return EINVAL; 633 /* NB: could check iv_opmode and reject but hardly worth the effort */ 634 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 635 case IEEE80211_FC0_SUBTYPE_BEACON: 636 return getappie(vap->iv_appie_beacon, ireq); 637 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 638 return getappie(vap->iv_appie_proberesp, ireq); 639 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 640 return getappie(vap->iv_appie_assocresp, ireq); 641 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 642 return getappie(vap->iv_appie_probereq, ireq); 643 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 644 return getappie(vap->iv_appie_assocreq, ireq); 645 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP: 646 return getappie(vap->iv_appie_wpa, ireq); 647 } 648 return EINVAL; 649 } 650 651 static __noinline int 652 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap, 653 const struct ieee80211req *ireq) 654 { 655 struct ieee80211com *ic = vap->iv_ic; 656 657 if (ireq->i_len != sizeof(ic->ic_regdomain)) 658 return EINVAL; 659 return copyout(&ic->ic_regdomain, ireq->i_data, 660 sizeof(ic->ic_regdomain)); 661 } 662 663 static __noinline int 664 ieee80211_ioctl_getroam(struct ieee80211vap *vap, 665 const struct ieee80211req *ireq) 666 { 667 size_t len = ireq->i_len; 668 /* NB: accept short requests for backwards compat */ 669 if (len > sizeof(vap->iv_roamparms)) 670 len = sizeof(vap->iv_roamparms); 671 return copyout(vap->iv_roamparms, ireq->i_data, len); 672 } 673 674 static __noinline int 675 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap, 676 const struct ieee80211req *ireq) 677 { 678 size_t len = ireq->i_len; 679 /* NB: accept short requests for backwards compat */ 680 if (len > sizeof(vap->iv_txparms)) 681 len = sizeof(vap->iv_txparms); 682 return copyout(vap->iv_txparms, ireq->i_data, len); 683 } 684 685 static __noinline int 686 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic, 687 const struct ieee80211req *ireq) 688 { 689 struct ieee80211_devcaps_req *dc; 690 struct ieee80211req_chaninfo *ci; 691 int maxchans, error; 692 693 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) / 694 sizeof(struct ieee80211_channel)); 695 /* NB: require 1 so we know ic_nchans is accessible */ 696 if (maxchans < 1) 697 return EINVAL; 698 /* constrain max request size, 2K channels is ~24Kbytes */ 699 if (maxchans > 2048) 700 maxchans = 2048; 701 dc = (struct ieee80211_devcaps_req *) 702 IEEE80211_MALLOC(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, 703 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 704 if (dc == NULL) 705 return ENOMEM; 706 dc->dc_drivercaps = ic->ic_caps; 707 dc->dc_cryptocaps = ic->ic_cryptocaps; 708 dc->dc_htcaps = ic->ic_htcaps; 709 ci = &dc->dc_chaninfo; 710 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans); 711 KASSERT(ci->ic_nchans <= maxchans, 712 ("nchans %d maxchans %d", ci->ic_nchans, maxchans)); 713 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans); 714 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc)); 715 IEEE80211_FREE(dc, M_TEMP); 716 return error; 717 } 718 719 static __noinline int 720 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 721 { 722 struct ieee80211_node *ni; 723 struct ieee80211req_sta_vlan vlan; 724 int error; 725 726 if (ireq->i_len != sizeof(vlan)) 727 return EINVAL; 728 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 729 if (error != 0) 730 return error; 731 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 732 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 733 vlan.sv_macaddr); 734 if (ni == NULL) 735 return ENOENT; 736 } else 737 ni = ieee80211_ref_node(vap->iv_bss); 738 vlan.sv_vlan = ni->ni_vlan; 739 error = copyout(&vlan, ireq->i_data, sizeof(vlan)); 740 ieee80211_free_node(ni); 741 return error; 742 } 743 744 /* 745 * Dummy ioctl get handler so the linker set is defined. 746 */ 747 static int 748 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq) 749 { 750 return ENOSYS; 751 } 752 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get); 753 754 static int 755 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 756 { 757 ieee80211_ioctl_getfunc * const *get; 758 int error; 759 760 SET_FOREACH(get, ieee80211_ioctl_getset) { 761 error = (*get)(vap, ireq); 762 if (error != ENOSYS) 763 return error; 764 } 765 return EINVAL; 766 } 767 768 /* 769 * When building the kernel with -O2 on the i386 architecture, gcc 770 * seems to want to inline this function into ieee80211_ioctl() 771 * (which is the only routine that calls it). When this happens, 772 * ieee80211_ioctl() ends up consuming an additional 2K of stack 773 * space. (Exactly why it needs so much is unclear.) The problem 774 * is that it's possible for ieee80211_ioctl() to invoke other 775 * routines (including driver init functions) which could then find 776 * themselves perilously close to exhausting the stack. 777 * 778 * To avoid this, we deliberately prevent gcc from inlining this 779 * routine. Another way to avoid this is to use less agressive 780 * optimization when compiling this file (i.e. -O instead of -O2) 781 * but special-casing the compilation of this one module in the 782 * build system would be awkward. 783 */ 784 static __noinline int 785 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd, 786 struct ieee80211req *ireq) 787 { 788 #define MS(_v, _f) (((_v) & _f) >> _f##_S) 789 struct ieee80211com *ic = vap->iv_ic; 790 u_int kid, len; 791 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 792 char tmpssid[IEEE80211_NWID_LEN]; 793 int error = 0; 794 795 switch (ireq->i_type) { 796 case IEEE80211_IOC_SSID: 797 switch (vap->iv_state) { 798 case IEEE80211_S_INIT: 799 case IEEE80211_S_SCAN: 800 ireq->i_len = vap->iv_des_ssid[0].len; 801 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); 802 break; 803 default: 804 ireq->i_len = vap->iv_bss->ni_esslen; 805 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); 806 break; 807 } 808 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 809 break; 810 case IEEE80211_IOC_NUMSSIDS: 811 ireq->i_val = 1; 812 break; 813 case IEEE80211_IOC_WEP: 814 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 815 ireq->i_val = IEEE80211_WEP_OFF; 816 else if (vap->iv_flags & IEEE80211_F_DROPUNENC) 817 ireq->i_val = IEEE80211_WEP_ON; 818 else 819 ireq->i_val = IEEE80211_WEP_MIXED; 820 break; 821 case IEEE80211_IOC_WEPKEY: 822 kid = (u_int) ireq->i_val; 823 if (kid >= IEEE80211_WEP_NKID) 824 return EINVAL; 825 len = (u_int) vap->iv_nw_keys[kid].wk_keylen; 826 /* NB: only root can read WEP keys */ 827 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 828 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); 829 } else { 830 bzero(tmpkey, len); 831 } 832 ireq->i_len = len; 833 error = copyout(tmpkey, ireq->i_data, len); 834 break; 835 case IEEE80211_IOC_NUMWEPKEYS: 836 ireq->i_val = IEEE80211_WEP_NKID; 837 break; 838 case IEEE80211_IOC_WEPTXKEY: 839 ireq->i_val = vap->iv_def_txkey; 840 break; 841 case IEEE80211_IOC_AUTHMODE: 842 if (vap->iv_flags & IEEE80211_F_WPA) 843 ireq->i_val = IEEE80211_AUTH_WPA; 844 else 845 ireq->i_val = vap->iv_bss->ni_authmode; 846 break; 847 case IEEE80211_IOC_CHANNEL: 848 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 849 break; 850 case IEEE80211_IOC_POWERSAVE: 851 if (vap->iv_flags & IEEE80211_F_PMGTON) 852 ireq->i_val = IEEE80211_POWERSAVE_ON; 853 else 854 ireq->i_val = IEEE80211_POWERSAVE_OFF; 855 break; 856 case IEEE80211_IOC_POWERSAVESLEEP: 857 ireq->i_val = ic->ic_lintval; 858 break; 859 case IEEE80211_IOC_RTSTHRESHOLD: 860 ireq->i_val = vap->iv_rtsthreshold; 861 break; 862 case IEEE80211_IOC_PROTMODE: 863 ireq->i_val = ic->ic_protmode; 864 break; 865 case IEEE80211_IOC_TXPOWER: 866 /* 867 * Tx power limit is the min of max regulatory 868 * power, any user-set limit, and the max the 869 * radio can do. 870 */ 871 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; 872 if (ireq->i_val > ic->ic_txpowlimit) 873 ireq->i_val = ic->ic_txpowlimit; 874 if (ireq->i_val > ic->ic_curchan->ic_maxpower) 875 ireq->i_val = ic->ic_curchan->ic_maxpower; 876 break; 877 case IEEE80211_IOC_WPA: 878 switch (vap->iv_flags & IEEE80211_F_WPA) { 879 case IEEE80211_F_WPA1: 880 ireq->i_val = 1; 881 break; 882 case IEEE80211_F_WPA2: 883 ireq->i_val = 2; 884 break; 885 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 886 ireq->i_val = 3; 887 break; 888 default: 889 ireq->i_val = 0; 890 break; 891 } 892 break; 893 case IEEE80211_IOC_CHANLIST: 894 error = ieee80211_ioctl_getchanlist(vap, ireq); 895 break; 896 case IEEE80211_IOC_ROAMING: 897 ireq->i_val = vap->iv_roaming; 898 break; 899 case IEEE80211_IOC_PRIVACY: 900 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; 901 break; 902 case IEEE80211_IOC_DROPUNENCRYPTED: 903 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; 904 break; 905 case IEEE80211_IOC_COUNTERMEASURES: 906 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; 907 break; 908 case IEEE80211_IOC_WME: 909 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; 910 break; 911 case IEEE80211_IOC_HIDESSID: 912 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; 913 break; 914 case IEEE80211_IOC_APBRIDGE: 915 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; 916 break; 917 case IEEE80211_IOC_WPAKEY: 918 error = ieee80211_ioctl_getkey(vap, ireq); 919 break; 920 case IEEE80211_IOC_CHANINFO: 921 error = ieee80211_ioctl_getchaninfo(vap, ireq); 922 break; 923 case IEEE80211_IOC_BSSID: 924 if (ireq->i_len != IEEE80211_ADDR_LEN) 925 return EINVAL; 926 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) { 927 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ? 928 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid, 929 ireq->i_data, ireq->i_len); 930 } else 931 error = copyout(vap->iv_des_bssid, ireq->i_data, 932 ireq->i_len); 933 break; 934 case IEEE80211_IOC_WPAIE: 935 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 936 break; 937 case IEEE80211_IOC_WPAIE2: 938 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 939 break; 940 case IEEE80211_IOC_SCAN_RESULTS: 941 error = ieee80211_ioctl_getscanresults(vap, ireq); 942 break; 943 case IEEE80211_IOC_STA_STATS: 944 error = ieee80211_ioctl_getstastats(vap, ireq); 945 break; 946 case IEEE80211_IOC_TXPOWMAX: 947 ireq->i_val = vap->iv_bss->ni_txpower; 948 break; 949 case IEEE80211_IOC_STA_TXPOW: 950 error = ieee80211_ioctl_getstatxpow(vap, ireq); 951 break; 952 case IEEE80211_IOC_STA_INFO: 953 error = ieee80211_ioctl_getstainfo(vap, ireq); 954 break; 955 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 956 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 957 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 958 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 959 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 960 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 961 error = ieee80211_ioctl_getwmeparam(vap, ireq); 962 break; 963 case IEEE80211_IOC_DTIM_PERIOD: 964 ireq->i_val = vap->iv_dtim_period; 965 break; 966 case IEEE80211_IOC_BEACON_INTERVAL: 967 /* NB: get from ic_bss for station mode */ 968 ireq->i_val = vap->iv_bss->ni_intval; 969 break; 970 case IEEE80211_IOC_PUREG: 971 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; 972 break; 973 case IEEE80211_IOC_QUIET: 974 ireq->i_val = vap->iv_quiet; 975 break; 976 case IEEE80211_IOC_QUIET_COUNT: 977 ireq->i_val = vap->iv_quiet_count; 978 break; 979 case IEEE80211_IOC_QUIET_PERIOD: 980 ireq->i_val = vap->iv_quiet_period; 981 break; 982 case IEEE80211_IOC_QUIET_DUR: 983 ireq->i_val = vap->iv_quiet_duration; 984 break; 985 case IEEE80211_IOC_QUIET_OFFSET: 986 ireq->i_val = vap->iv_quiet_offset; 987 break; 988 case IEEE80211_IOC_BGSCAN: 989 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 990 break; 991 case IEEE80211_IOC_BGSCAN_IDLE: 992 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 993 break; 994 case IEEE80211_IOC_BGSCAN_INTERVAL: 995 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 996 break; 997 case IEEE80211_IOC_SCANVALID: 998 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 999 break; 1000 case IEEE80211_IOC_FRAGTHRESHOLD: 1001 ireq->i_val = vap->iv_fragthreshold; 1002 break; 1003 case IEEE80211_IOC_MACCMD: 1004 error = ieee80211_ioctl_getmaccmd(vap, ireq); 1005 break; 1006 case IEEE80211_IOC_BURST: 1007 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 1008 break; 1009 case IEEE80211_IOC_BMISSTHRESHOLD: 1010 ireq->i_val = vap->iv_bmissthreshold; 1011 break; 1012 case IEEE80211_IOC_CURCHAN: 1013 error = ieee80211_ioctl_getcurchan(vap, ireq); 1014 break; 1015 case IEEE80211_IOC_SHORTGI: 1016 ireq->i_val = 0; 1017 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) 1018 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 1019 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) 1020 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 1021 break; 1022 case IEEE80211_IOC_AMPDU: 1023 ireq->i_val = 0; 1024 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) 1025 ireq->i_val |= 1; 1026 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) 1027 ireq->i_val |= 2; 1028 break; 1029 case IEEE80211_IOC_AMPDU_LIMIT: 1030 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1031 ireq->i_val = vap->iv_ampdu_rxmax; 1032 else if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 1033 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1034 IEEE80211_HTCAP_MAXRXAMPDU); 1035 else 1036 ireq->i_val = vap->iv_ampdu_limit; 1037 break; 1038 case IEEE80211_IOC_AMPDU_DENSITY: 1039 if (vap->iv_opmode == IEEE80211_M_STA && 1040 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1041 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1042 IEEE80211_HTCAP_MPDUDENSITY); 1043 else 1044 ireq->i_val = vap->iv_ampdu_density; 1045 break; 1046 case IEEE80211_IOC_AMSDU: 1047 ireq->i_val = 0; 1048 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) 1049 ireq->i_val |= 1; 1050 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) 1051 ireq->i_val |= 2; 1052 break; 1053 case IEEE80211_IOC_AMSDU_LIMIT: 1054 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1055 break; 1056 case IEEE80211_IOC_PUREN: 1057 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; 1058 break; 1059 case IEEE80211_IOC_DOTH: 1060 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1061 break; 1062 case IEEE80211_IOC_REGDOMAIN: 1063 error = ieee80211_ioctl_getregdomain(vap, ireq); 1064 break; 1065 case IEEE80211_IOC_ROAM: 1066 error = ieee80211_ioctl_getroam(vap, ireq); 1067 break; 1068 case IEEE80211_IOC_TXPARAMS: 1069 error = ieee80211_ioctl_gettxparams(vap, ireq); 1070 break; 1071 case IEEE80211_IOC_HTCOMPAT: 1072 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; 1073 break; 1074 case IEEE80211_IOC_DWDS: 1075 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1076 break; 1077 case IEEE80211_IOC_INACTIVITY: 1078 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1079 break; 1080 case IEEE80211_IOC_APPIE: 1081 error = ieee80211_ioctl_getappie(vap, ireq); 1082 break; 1083 case IEEE80211_IOC_WPS: 1084 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1085 break; 1086 case IEEE80211_IOC_TSN: 1087 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1088 break; 1089 case IEEE80211_IOC_DFS: 1090 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1091 break; 1092 case IEEE80211_IOC_DOTD: 1093 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1094 break; 1095 case IEEE80211_IOC_DEVCAPS: 1096 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1097 break; 1098 case IEEE80211_IOC_HTPROTMODE: 1099 ireq->i_val = ic->ic_htprotmode; 1100 break; 1101 case IEEE80211_IOC_HTCONF: 1102 if (vap->iv_flags_ht & IEEE80211_FHT_HT) { 1103 ireq->i_val = 1; 1104 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) 1105 ireq->i_val |= 2; 1106 } else 1107 ireq->i_val = 0; 1108 break; 1109 case IEEE80211_IOC_STA_VLAN: 1110 error = ieee80211_ioctl_getstavlan(vap, ireq); 1111 break; 1112 case IEEE80211_IOC_SMPS: 1113 if (vap->iv_opmode == IEEE80211_M_STA && 1114 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) { 1115 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1116 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1117 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1118 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1119 else 1120 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1121 } else 1122 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1123 break; 1124 case IEEE80211_IOC_RIFS: 1125 if (vap->iv_opmode == IEEE80211_M_STA && 1126 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1127 ireq->i_val = 1128 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1129 else 1130 ireq->i_val = 1131 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; 1132 break; 1133 default: 1134 error = ieee80211_ioctl_getdefault(vap, ireq); 1135 break; 1136 } 1137 return error; 1138 #undef MS 1139 } 1140 1141 static __noinline int 1142 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1143 { 1144 struct ieee80211req_key ik; 1145 struct ieee80211_node *ni; 1146 struct ieee80211_key *wk; 1147 uint16_t kid; 1148 int error, i; 1149 1150 if (ireq->i_len != sizeof(ik)) 1151 return EINVAL; 1152 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1153 if (error) 1154 return error; 1155 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1156 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1157 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1158 return E2BIG; 1159 kid = ik.ik_keyix; 1160 if (kid == IEEE80211_KEYIX_NONE) { 1161 /* XXX unicast keys currently must be tx/rx */ 1162 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1163 return EINVAL; 1164 if (vap->iv_opmode == IEEE80211_M_STA) { 1165 ni = ieee80211_ref_node(vap->iv_bss); 1166 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1167 ieee80211_free_node(ni); 1168 return EADDRNOTAVAIL; 1169 } 1170 } else { 1171 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1172 ik.ik_macaddr); 1173 if (ni == NULL) 1174 return ENOENT; 1175 } 1176 wk = &ni->ni_ucastkey; 1177 } else { 1178 if (kid >= IEEE80211_WEP_NKID) 1179 return EINVAL; 1180 wk = &vap->iv_nw_keys[kid]; 1181 /* 1182 * Global slots start off w/o any assigned key index. 1183 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1184 */ 1185 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1186 wk->wk_keyix = kid; 1187 ni = NULL; 1188 } 1189 error = 0; 1190 ieee80211_key_update_begin(vap); 1191 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1192 wk->wk_keylen = ik.ik_keylen; 1193 /* NB: MIC presence is implied by cipher type */ 1194 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1195 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1196 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1197 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1198 wk->wk_keytsc = 0; /* new key, reset */ 1199 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1200 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1201 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1202 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1203 if (!ieee80211_crypto_setkey(vap, wk)) 1204 error = EIO; 1205 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1206 vap->iv_def_txkey = kid; 1207 } else 1208 error = ENXIO; 1209 ieee80211_key_update_end(vap); 1210 if (ni != NULL) 1211 ieee80211_free_node(ni); 1212 return error; 1213 } 1214 1215 static __noinline int 1216 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1217 { 1218 struct ieee80211req_del_key dk; 1219 int kid, error; 1220 1221 if (ireq->i_len != sizeof(dk)) 1222 return EINVAL; 1223 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1224 if (error) 1225 return error; 1226 kid = dk.idk_keyix; 1227 /* XXX uint8_t -> uint16_t */ 1228 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1229 struct ieee80211_node *ni; 1230 1231 if (vap->iv_opmode == IEEE80211_M_STA) { 1232 ni = ieee80211_ref_node(vap->iv_bss); 1233 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1234 ieee80211_free_node(ni); 1235 return EADDRNOTAVAIL; 1236 } 1237 } else { 1238 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1239 dk.idk_macaddr); 1240 if (ni == NULL) 1241 return ENOENT; 1242 } 1243 /* XXX error return */ 1244 ieee80211_node_delucastkey(ni); 1245 ieee80211_free_node(ni); 1246 } else { 1247 if (kid >= IEEE80211_WEP_NKID) 1248 return EINVAL; 1249 /* XXX error return */ 1250 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1251 } 1252 return 0; 1253 } 1254 1255 struct mlmeop { 1256 struct ieee80211vap *vap; 1257 int op; 1258 int reason; 1259 }; 1260 1261 static void 1262 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1263 int op, int reason) 1264 { 1265 #ifdef IEEE80211_DEBUG 1266 static const struct { 1267 int mask; 1268 const char *opstr; 1269 } ops[] = { 1270 { 0, "op#0" }, 1271 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1272 IEEE80211_MSG_ASSOC, "assoc" }, 1273 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1274 IEEE80211_MSG_ASSOC, "disassoc" }, 1275 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1276 IEEE80211_MSG_AUTH, "deauth" }, 1277 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1278 IEEE80211_MSG_AUTH, "authorize" }, 1279 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1280 IEEE80211_MSG_AUTH, "unauthorize" }, 1281 }; 1282 1283 if (op == IEEE80211_MLME_AUTH) { 1284 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1285 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1286 "station authenticate %s via MLME (reason %d)", 1287 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1288 reason); 1289 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1290 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1291 "unknown MLME request %d (reason %d)", op, reason); 1292 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1293 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1294 "station %s via MLME", ops[op].opstr); 1295 } else { 1296 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1297 "station %s via MLME (reason %d)", ops[op].opstr, reason); 1298 } 1299 #endif /* IEEE80211_DEBUG */ 1300 } 1301 1302 static void 1303 domlme(void *arg, struct ieee80211_node *ni) 1304 { 1305 struct mlmeop *mop = arg; 1306 struct ieee80211vap *vap = ni->ni_vap; 1307 1308 if (vap != mop->vap) 1309 return; 1310 /* 1311 * NB: if ni_associd is zero then the node is already cleaned 1312 * up and we don't need to do this (we're safely holding a 1313 * reference but should otherwise not modify it's state). 1314 */ 1315 if (ni->ni_associd == 0) 1316 return; 1317 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1318 if (mop->op == IEEE80211_MLME_DEAUTH) { 1319 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1320 mop->reason); 1321 } else { 1322 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1323 mop->reason); 1324 } 1325 ieee80211_node_leave(ni); 1326 } 1327 1328 static int 1329 setmlme_dropsta(struct ieee80211vap *vap, 1330 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1331 { 1332 struct ieee80211com *ic = vap->iv_ic; 1333 struct ieee80211_node_table *nt = &ic->ic_sta; 1334 struct ieee80211_node *ni; 1335 int error = 0; 1336 1337 /* NB: the broadcast address means do 'em all */ 1338 if (!IEEE80211_ADDR_EQ(mac, ic->ic_ifp->if_broadcastaddr)) { 1339 IEEE80211_NODE_LOCK(nt); 1340 ni = ieee80211_find_node_locked(nt, mac); 1341 IEEE80211_NODE_UNLOCK(nt); 1342 /* 1343 * Don't do the node update inside the node 1344 * table lock. This unfortunately causes LORs 1345 * with drivers and their TX paths. 1346 */ 1347 if (ni != NULL) { 1348 domlme(mlmeop, ni); 1349 ieee80211_free_node(ni); 1350 } else 1351 error = ENOENT; 1352 } else { 1353 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1354 } 1355 return error; 1356 } 1357 1358 static __noinline int 1359 setmlme_common(struct ieee80211vap *vap, int op, 1360 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1361 { 1362 struct ieee80211com *ic = vap->iv_ic; 1363 struct ieee80211_node_table *nt = &ic->ic_sta; 1364 struct ieee80211_node *ni; 1365 struct mlmeop mlmeop; 1366 int error; 1367 1368 error = 0; 1369 switch (op) { 1370 case IEEE80211_MLME_DISASSOC: 1371 case IEEE80211_MLME_DEAUTH: 1372 switch (vap->iv_opmode) { 1373 case IEEE80211_M_STA: 1374 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1375 /* XXX not quite right */ 1376 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1377 break; 1378 case IEEE80211_M_HOSTAP: 1379 mlmeop.vap = vap; 1380 mlmeop.op = op; 1381 mlmeop.reason = reason; 1382 error = setmlme_dropsta(vap, mac, &mlmeop); 1383 break; 1384 case IEEE80211_M_WDS: 1385 /* XXX user app should send raw frame? */ 1386 if (op != IEEE80211_MLME_DEAUTH) { 1387 error = EINVAL; 1388 break; 1389 } 1390 #if 0 1391 /* XXX accept any address, simplifies user code */ 1392 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1393 error = EINVAL; 1394 break; 1395 } 1396 #endif 1397 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1398 ni = ieee80211_ref_node(vap->iv_bss); 1399 IEEE80211_SEND_MGMT(ni, 1400 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1401 ieee80211_free_node(ni); 1402 break; 1403 case IEEE80211_M_MBSS: 1404 IEEE80211_NODE_LOCK(nt); 1405 ni = ieee80211_find_node_locked(nt, mac); 1406 /* 1407 * Don't do the node update inside the node 1408 * table lock. This unfortunately causes LORs 1409 * with drivers and their TX paths. 1410 */ 1411 IEEE80211_NODE_UNLOCK(nt); 1412 if (ni != NULL) { 1413 ieee80211_node_leave(ni); 1414 ieee80211_free_node(ni); 1415 } else { 1416 error = ENOENT; 1417 } 1418 break; 1419 default: 1420 error = EINVAL; 1421 break; 1422 } 1423 break; 1424 case IEEE80211_MLME_AUTHORIZE: 1425 case IEEE80211_MLME_UNAUTHORIZE: 1426 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1427 vap->iv_opmode != IEEE80211_M_WDS) { 1428 error = EINVAL; 1429 break; 1430 } 1431 IEEE80211_NODE_LOCK(nt); 1432 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1433 /* 1434 * Don't do the node update inside the node 1435 * table lock. This unfortunately causes LORs 1436 * with drivers and their TX paths. 1437 */ 1438 IEEE80211_NODE_UNLOCK(nt); 1439 if (ni != NULL) { 1440 mlmedebug(vap, mac, op, reason); 1441 if (op == IEEE80211_MLME_AUTHORIZE) 1442 ieee80211_node_authorize(ni); 1443 else 1444 ieee80211_node_unauthorize(ni); 1445 ieee80211_free_node(ni); 1446 } else 1447 error = ENOENT; 1448 break; 1449 case IEEE80211_MLME_AUTH: 1450 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 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 (reason == IEEE80211_STATUS_SUCCESS) { 1465 IEEE80211_SEND_MGMT(ni, 1466 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1467 /* 1468 * For shared key auth, just continue the 1469 * exchange. Otherwise when 802.1x is not in 1470 * use mark the port authorized at this point 1471 * so traffic can flow. 1472 */ 1473 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1474 ni->ni_challenge == NULL) 1475 ieee80211_node_authorize(ni); 1476 } else { 1477 vap->iv_stats.is_rx_acl++; 1478 ieee80211_send_error(ni, ni->ni_macaddr, 1479 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1480 ieee80211_node_leave(ni); 1481 } 1482 ieee80211_free_node(ni); 1483 } else 1484 error = ENOENT; 1485 break; 1486 default: 1487 error = EINVAL; 1488 break; 1489 } 1490 return error; 1491 } 1492 1493 struct scanlookup { 1494 const uint8_t *mac; 1495 int esslen; 1496 const uint8_t *essid; 1497 const struct ieee80211_scan_entry *se; 1498 }; 1499 1500 /* 1501 * Match mac address and any ssid. 1502 */ 1503 static void 1504 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1505 { 1506 struct scanlookup *look = arg; 1507 1508 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1509 return; 1510 if (look->esslen != 0) { 1511 if (se->se_ssid[1] != look->esslen) 1512 return; 1513 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1514 return; 1515 } 1516 look->se = se; 1517 } 1518 1519 static __noinline int 1520 setmlme_assoc_sta(struct ieee80211vap *vap, 1521 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1522 const uint8_t ssid[IEEE80211_NWID_LEN]) 1523 { 1524 struct scanlookup lookup; 1525 1526 KASSERT(vap->iv_opmode == IEEE80211_M_STA, 1527 ("expected opmode STA not %s", 1528 ieee80211_opmode_name[vap->iv_opmode])); 1529 1530 /* NB: this is racey if roaming is !manual */ 1531 lookup.se = NULL; 1532 lookup.mac = mac; 1533 lookup.esslen = ssid_len; 1534 lookup.essid = ssid; 1535 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1536 if (lookup.se == NULL) 1537 return ENOENT; 1538 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1539 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1540 return EIO; /* XXX unique but could be better */ 1541 return 0; 1542 } 1543 1544 static __noinline int 1545 setmlme_assoc_adhoc(struct ieee80211vap *vap, 1546 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1547 const uint8_t ssid[IEEE80211_NWID_LEN]) 1548 { 1549 struct ieee80211_scan_req sr; 1550 1551 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS || 1552 vap->iv_opmode == IEEE80211_M_AHDEMO, 1553 ("expected opmode IBSS or AHDEMO not %s", 1554 ieee80211_opmode_name[vap->iv_opmode])); 1555 1556 if (ssid_len == 0) 1557 return EINVAL; 1558 1559 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */ 1560 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 1561 vap->iv_des_ssid[0].len = ssid_len; 1562 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len); 1563 vap->iv_des_nssid = 1; 1564 1565 memset(&sr, 0, sizeof(sr)); 1566 sr.sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE; 1567 sr.sr_duration = IEEE80211_IOC_SCAN_FOREVER; 1568 memcpy(sr.sr_ssid[0].ssid, ssid, ssid_len); 1569 sr.sr_ssid[0].len = ssid_len; 1570 sr.sr_nssid = 1; 1571 1572 return ieee80211_scanreq(vap, &sr); 1573 } 1574 1575 static __noinline int 1576 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1577 { 1578 struct ieee80211req_mlme mlme; 1579 int error; 1580 1581 if (ireq->i_len != sizeof(mlme)) 1582 return EINVAL; 1583 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1584 if (error) 1585 return error; 1586 if (vap->iv_opmode == IEEE80211_M_STA && 1587 mlme.im_op == IEEE80211_MLME_ASSOC) 1588 return setmlme_assoc_sta(vap, mlme.im_macaddr, 1589 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1590 else if ((vap->iv_opmode == IEEE80211_M_IBSS || 1591 vap->iv_opmode == IEEE80211_M_AHDEMO) && 1592 mlme.im_op == IEEE80211_MLME_ASSOC) 1593 return setmlme_assoc_adhoc(vap, mlme.im_macaddr, 1594 mlme.im_ssid_len, mlme.im_ssid); 1595 else 1596 return setmlme_common(vap, mlme.im_op, 1597 mlme.im_macaddr, mlme.im_reason); 1598 } 1599 1600 static __noinline int 1601 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1602 { 1603 uint8_t mac[IEEE80211_ADDR_LEN]; 1604 const struct ieee80211_aclator *acl = vap->iv_acl; 1605 int error; 1606 1607 if (ireq->i_len != sizeof(mac)) 1608 return EINVAL; 1609 error = copyin(ireq->i_data, mac, ireq->i_len); 1610 if (error) 1611 return error; 1612 if (acl == NULL) { 1613 acl = ieee80211_aclator_get("mac"); 1614 if (acl == NULL || !acl->iac_attach(vap)) 1615 return EINVAL; 1616 vap->iv_acl = acl; 1617 } 1618 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1619 acl->iac_add(vap, mac); 1620 else 1621 acl->iac_remove(vap, mac); 1622 return 0; 1623 } 1624 1625 static __noinline int 1626 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1627 { 1628 const struct ieee80211_aclator *acl = vap->iv_acl; 1629 1630 switch (ireq->i_val) { 1631 case IEEE80211_MACCMD_POLICY_OPEN: 1632 case IEEE80211_MACCMD_POLICY_ALLOW: 1633 case IEEE80211_MACCMD_POLICY_DENY: 1634 case IEEE80211_MACCMD_POLICY_RADIUS: 1635 if (acl == NULL) { 1636 acl = ieee80211_aclator_get("mac"); 1637 if (acl == NULL || !acl->iac_attach(vap)) 1638 return EINVAL; 1639 vap->iv_acl = acl; 1640 } 1641 acl->iac_setpolicy(vap, ireq->i_val); 1642 break; 1643 case IEEE80211_MACCMD_FLUSH: 1644 if (acl != NULL) 1645 acl->iac_flush(vap); 1646 /* NB: silently ignore when not in use */ 1647 break; 1648 case IEEE80211_MACCMD_DETACH: 1649 if (acl != NULL) { 1650 vap->iv_acl = NULL; 1651 acl->iac_detach(vap); 1652 } 1653 break; 1654 default: 1655 if (acl == NULL) 1656 return EINVAL; 1657 else 1658 return acl->iac_setioctl(vap, ireq); 1659 } 1660 return 0; 1661 } 1662 1663 static __noinline int 1664 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1665 { 1666 struct ieee80211com *ic = vap->iv_ic; 1667 uint8_t *chanlist, *list; 1668 int i, nchan, maxchan, error; 1669 1670 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1671 ireq->i_len = sizeof(ic->ic_chan_active); 1672 list = IEEE80211_MALLOC(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1673 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1674 if (list == NULL) 1675 return ENOMEM; 1676 error = copyin(ireq->i_data, list, ireq->i_len); 1677 if (error) { 1678 IEEE80211_FREE(list, M_TEMP); 1679 return error; 1680 } 1681 nchan = 0; 1682 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1683 maxchan = ireq->i_len * NBBY; 1684 for (i = 0; i < ic->ic_nchans; i++) { 1685 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1686 /* 1687 * Calculate the intersection of the user list and the 1688 * available channels so users can do things like specify 1689 * 1-255 to get all available channels. 1690 */ 1691 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1692 setbit(chanlist, c->ic_ieee); 1693 nchan++; 1694 } 1695 } 1696 if (nchan == 0) { 1697 IEEE80211_FREE(list, M_TEMP); 1698 return EINVAL; 1699 } 1700 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1701 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1702 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1703 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1704 ieee80211_scan_flush(vap); 1705 IEEE80211_FREE(list, M_TEMP); 1706 return ENETRESET; 1707 } 1708 1709 static __noinline int 1710 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1711 { 1712 struct ieee80211_node *ni; 1713 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1714 int error; 1715 1716 /* 1717 * NB: we could copyin ieee80211req_sta_stats so apps 1718 * could make selective changes but that's overkill; 1719 * just clear all stats for now. 1720 */ 1721 if (ireq->i_len < IEEE80211_ADDR_LEN) 1722 return EINVAL; 1723 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1724 if (error != 0) 1725 return error; 1726 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1727 if (ni == NULL) 1728 return ENOENT; 1729 /* XXX require ni_vap == vap? */ 1730 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1731 ieee80211_free_node(ni); 1732 return 0; 1733 } 1734 1735 static __noinline int 1736 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1737 { 1738 struct ieee80211_node *ni; 1739 struct ieee80211req_sta_txpow txpow; 1740 int error; 1741 1742 if (ireq->i_len != sizeof(txpow)) 1743 return EINVAL; 1744 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1745 if (error != 0) 1746 return error; 1747 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1748 if (ni == NULL) 1749 return ENOENT; 1750 ni->ni_txpower = txpow.it_txpow; 1751 ieee80211_free_node(ni); 1752 return error; 1753 } 1754 1755 static __noinline int 1756 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1757 { 1758 struct ieee80211com *ic = vap->iv_ic; 1759 struct ieee80211_wme_state *wme = &ic->ic_wme; 1760 struct wmeParams *wmep, *chanp; 1761 int isbss, ac; 1762 1763 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1764 return EOPNOTSUPP; 1765 1766 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1767 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1768 if (ac >= WME_NUM_AC) 1769 ac = WME_AC_BE; 1770 if (isbss) { 1771 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1772 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1773 } else { 1774 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1775 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1776 } 1777 switch (ireq->i_type) { 1778 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1779 if (isbss) { 1780 wmep->wmep_logcwmin = ireq->i_val; 1781 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1782 chanp->wmep_logcwmin = ireq->i_val; 1783 } else { 1784 wmep->wmep_logcwmin = chanp->wmep_logcwmin = 1785 ireq->i_val; 1786 } 1787 break; 1788 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1789 if (isbss) { 1790 wmep->wmep_logcwmax = ireq->i_val; 1791 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1792 chanp->wmep_logcwmax = ireq->i_val; 1793 } else { 1794 wmep->wmep_logcwmax = chanp->wmep_logcwmax = 1795 ireq->i_val; 1796 } 1797 break; 1798 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1799 if (isbss) { 1800 wmep->wmep_aifsn = ireq->i_val; 1801 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1802 chanp->wmep_aifsn = ireq->i_val; 1803 } else { 1804 wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val; 1805 } 1806 break; 1807 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1808 if (isbss) { 1809 wmep->wmep_txopLimit = ireq->i_val; 1810 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1811 chanp->wmep_txopLimit = ireq->i_val; 1812 } else { 1813 wmep->wmep_txopLimit = chanp->wmep_txopLimit = 1814 ireq->i_val; 1815 } 1816 break; 1817 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1818 wmep->wmep_acm = ireq->i_val; 1819 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1820 chanp->wmep_acm = ireq->i_val; 1821 break; 1822 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1823 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1824 (ireq->i_val) == 0; 1825 break; 1826 } 1827 ieee80211_wme_updateparams(vap); 1828 return 0; 1829 } 1830 1831 static int 1832 find11gchannel(struct ieee80211com *ic, int start, int freq) 1833 { 1834 const struct ieee80211_channel *c; 1835 int i; 1836 1837 for (i = start+1; i < ic->ic_nchans; i++) { 1838 c = &ic->ic_channels[i]; 1839 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1840 return 1; 1841 } 1842 /* NB: should not be needed but in case things are mis-sorted */ 1843 for (i = 0; i < start; i++) { 1844 c = &ic->ic_channels[i]; 1845 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1846 return 1; 1847 } 1848 return 0; 1849 } 1850 1851 static struct ieee80211_channel * 1852 findchannel(struct ieee80211com *ic, int ieee, int mode) 1853 { 1854 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1855 [IEEE80211_MODE_AUTO] = 0, 1856 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1857 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1858 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1859 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1860 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1861 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1862 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1863 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1864 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1865 /* NB: handled specially below */ 1866 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1867 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1868 }; 1869 u_int modeflags; 1870 int i; 1871 1872 modeflags = chanflags[mode]; 1873 for (i = 0; i < ic->ic_nchans; i++) { 1874 struct ieee80211_channel *c = &ic->ic_channels[i]; 1875 1876 if (c->ic_ieee != ieee) 1877 continue; 1878 if (mode == IEEE80211_MODE_AUTO) { 1879 /* ignore turbo channels for autoselect */ 1880 if (IEEE80211_IS_CHAN_TURBO(c)) 1881 continue; 1882 /* 1883 * XXX special-case 11b/g channels so we 1884 * always select the g channel if both 1885 * are present. 1886 * XXX prefer HT to non-HT? 1887 */ 1888 if (!IEEE80211_IS_CHAN_B(c) || 1889 !find11gchannel(ic, i, c->ic_freq)) 1890 return c; 1891 } else { 1892 /* must check HT specially */ 1893 if ((mode == IEEE80211_MODE_11NA || 1894 mode == IEEE80211_MODE_11NG) && 1895 !IEEE80211_IS_CHAN_HT(c)) 1896 continue; 1897 if ((c->ic_flags & modeflags) == modeflags) 1898 return c; 1899 } 1900 } 1901 return NULL; 1902 } 1903 1904 /* 1905 * Check the specified against any desired mode (aka netband). 1906 * This is only used (presently) when operating in hostap mode 1907 * to enforce consistency. 1908 */ 1909 static int 1910 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1911 { 1912 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1913 1914 switch (mode) { 1915 case IEEE80211_MODE_11B: 1916 return (IEEE80211_IS_CHAN_B(c)); 1917 case IEEE80211_MODE_11G: 1918 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1919 case IEEE80211_MODE_11A: 1920 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1921 case IEEE80211_MODE_STURBO_A: 1922 return (IEEE80211_IS_CHAN_STURBO(c)); 1923 case IEEE80211_MODE_11NA: 1924 return (IEEE80211_IS_CHAN_HTA(c)); 1925 case IEEE80211_MODE_11NG: 1926 return (IEEE80211_IS_CHAN_HTG(c)); 1927 } 1928 return 1; 1929 1930 } 1931 1932 /* 1933 * Common code to set the current channel. If the device 1934 * is up and running this may result in an immediate channel 1935 * change or a kick of the state machine. 1936 */ 1937 static int 1938 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 1939 { 1940 struct ieee80211com *ic = vap->iv_ic; 1941 int error; 1942 1943 if (c != IEEE80211_CHAN_ANYC) { 1944 if (IEEE80211_IS_CHAN_RADAR(c)) 1945 return EBUSY; /* XXX better code? */ 1946 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 1947 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 1948 return EINVAL; 1949 if (!check_mode_consistency(c, vap->iv_des_mode)) 1950 return EINVAL; 1951 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 1952 if (IEEE80211_IS_CHAN_NOADHOC(c)) 1953 return EINVAL; 1954 } 1955 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) && 1956 vap->iv_bss->ni_chan == c) 1957 return 0; /* NB: nothing to do */ 1958 } 1959 vap->iv_des_chan = c; 1960 1961 error = 0; 1962 if (vap->iv_opmode == IEEE80211_M_MONITOR && 1963 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1964 /* 1965 * Monitor mode can switch directly. 1966 */ 1967 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 1968 /* XXX need state machine for other vap's to follow */ 1969 ieee80211_setcurchan(ic, vap->iv_des_chan); 1970 vap->iv_bss->ni_chan = ic->ic_curchan; 1971 } else 1972 ic->ic_curchan = vap->iv_des_chan; 1973 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1974 } else { 1975 /* 1976 * Need to go through the state machine in case we 1977 * need to reassociate or the like. The state machine 1978 * will pickup the desired channel and avoid scanning. 1979 */ 1980 if (IS_UP_AUTO(vap)) 1981 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 1982 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1983 /* 1984 * When not up+running and a real channel has 1985 * been specified fix the current channel so 1986 * there is immediate feedback; e.g. via ifconfig. 1987 */ 1988 ic->ic_curchan = vap->iv_des_chan; 1989 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1990 } 1991 } 1992 return error; 1993 } 1994 1995 /* 1996 * Old api for setting the current channel; this is 1997 * deprecated because channel numbers are ambiguous. 1998 */ 1999 static __noinline int 2000 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 2001 const struct ieee80211req *ireq) 2002 { 2003 struct ieee80211com *ic = vap->iv_ic; 2004 struct ieee80211_channel *c; 2005 2006 /* XXX 0xffff overflows 16-bit signed */ 2007 if (ireq->i_val == 0 || 2008 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 2009 c = IEEE80211_CHAN_ANYC; 2010 } else { 2011 struct ieee80211_channel *c2; 2012 2013 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 2014 if (c == NULL) { 2015 c = findchannel(ic, ireq->i_val, 2016 IEEE80211_MODE_AUTO); 2017 if (c == NULL) 2018 return EINVAL; 2019 } 2020 /* 2021 * Fine tune channel selection based on desired mode: 2022 * if 11b is requested, find the 11b version of any 2023 * 11g channel returned, 2024 * if static turbo, find the turbo version of any 2025 * 11a channel return, 2026 * if 11na is requested, find the ht version of any 2027 * 11a channel returned, 2028 * if 11ng is requested, find the ht version of any 2029 * 11g channel returned, 2030 * otherwise we should be ok with what we've got. 2031 */ 2032 switch (vap->iv_des_mode) { 2033 case IEEE80211_MODE_11B: 2034 if (IEEE80211_IS_CHAN_ANYG(c)) { 2035 c2 = findchannel(ic, ireq->i_val, 2036 IEEE80211_MODE_11B); 2037 /* NB: should not happen, =>'s 11g w/o 11b */ 2038 if (c2 != NULL) 2039 c = c2; 2040 } 2041 break; 2042 case IEEE80211_MODE_TURBO_A: 2043 if (IEEE80211_IS_CHAN_A(c)) { 2044 c2 = findchannel(ic, ireq->i_val, 2045 IEEE80211_MODE_TURBO_A); 2046 if (c2 != NULL) 2047 c = c2; 2048 } 2049 break; 2050 case IEEE80211_MODE_11NA: 2051 if (IEEE80211_IS_CHAN_A(c)) { 2052 c2 = findchannel(ic, ireq->i_val, 2053 IEEE80211_MODE_11NA); 2054 if (c2 != NULL) 2055 c = c2; 2056 } 2057 break; 2058 case IEEE80211_MODE_11NG: 2059 if (IEEE80211_IS_CHAN_ANYG(c)) { 2060 c2 = findchannel(ic, ireq->i_val, 2061 IEEE80211_MODE_11NG); 2062 if (c2 != NULL) 2063 c = c2; 2064 } 2065 break; 2066 default: /* NB: no static turboG */ 2067 break; 2068 } 2069 } 2070 return setcurchan(vap, c); 2071 } 2072 2073 /* 2074 * New/current api for setting the current channel; a complete 2075 * channel description is provide so there is no ambiguity in 2076 * identifying the channel. 2077 */ 2078 static __noinline int 2079 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 2080 const struct ieee80211req *ireq) 2081 { 2082 struct ieee80211com *ic = vap->iv_ic; 2083 struct ieee80211_channel chan, *c; 2084 int error; 2085 2086 if (ireq->i_len != sizeof(chan)) 2087 return EINVAL; 2088 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2089 if (error != 0) 2090 return error; 2091 /* XXX 0xffff overflows 16-bit signed */ 2092 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2093 c = IEEE80211_CHAN_ANYC; 2094 } else { 2095 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2096 if (c == NULL) 2097 return EINVAL; 2098 } 2099 return setcurchan(vap, c); 2100 } 2101 2102 static __noinline int 2103 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2104 const struct ieee80211req *ireq) 2105 { 2106 struct ieee80211_regdomain_req *reg; 2107 int nchans, error; 2108 2109 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2110 sizeof(struct ieee80211_channel)); 2111 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2112 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2113 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2114 ireq->i_len, nchans); 2115 return EINVAL; 2116 } 2117 reg = (struct ieee80211_regdomain_req *) 2118 IEEE80211_MALLOC(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, 2119 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2120 if (reg == NULL) { 2121 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2122 "%s: no memory, nchans %d\n", __func__, nchans); 2123 return ENOMEM; 2124 } 2125 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2126 if (error == 0) { 2127 /* NB: validate inline channel count against storage size */ 2128 if (reg->chaninfo.ic_nchans != nchans) { 2129 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2130 "%s: chan cnt mismatch, %d != %d\n", __func__, 2131 reg->chaninfo.ic_nchans, nchans); 2132 error = EINVAL; 2133 } else 2134 error = ieee80211_setregdomain(vap, reg); 2135 } 2136 IEEE80211_FREE(reg, M_TEMP); 2137 2138 return (error == 0 ? ENETRESET : error); 2139 } 2140 2141 static int 2142 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2143 const struct ieee80211req *ireq) 2144 { 2145 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2146 return EINVAL; 2147 /* XXX validate params */ 2148 /* XXX? ENETRESET to push to device? */ 2149 return copyin(ireq->i_data, vap->iv_roamparms, 2150 sizeof(vap->iv_roamparms)); 2151 } 2152 2153 static int 2154 checkrate(const struct ieee80211_rateset *rs, int rate) 2155 { 2156 int i; 2157 2158 if (rate == IEEE80211_FIXED_RATE_NONE) 2159 return 1; 2160 for (i = 0; i < rs->rs_nrates; i++) 2161 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2162 return 1; 2163 return 0; 2164 } 2165 2166 static int 2167 checkmcs(int mcs) 2168 { 2169 if (mcs == IEEE80211_FIXED_RATE_NONE) 2170 return 1; 2171 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2172 return 0; 2173 return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */ 2174 } 2175 2176 static __noinline int 2177 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2178 const struct ieee80211req *ireq) 2179 { 2180 struct ieee80211com *ic = vap->iv_ic; 2181 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2182 struct ieee80211_txparam *src, *dst; 2183 const struct ieee80211_rateset *rs; 2184 int error, mode, changed, is11n, nmodes; 2185 2186 /* NB: accept short requests for backwards compat */ 2187 if (ireq->i_len > sizeof(parms)) 2188 return EINVAL; 2189 error = copyin(ireq->i_data, &parms, ireq->i_len); 2190 if (error != 0) 2191 return error; 2192 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2193 changed = 0; 2194 /* validate parameters and check if anything changed */ 2195 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2196 if (isclr(ic->ic_modecaps, mode)) 2197 continue; 2198 src = &parms.params[mode]; 2199 dst = &vap->iv_txparms[mode]; 2200 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2201 is11n = (mode == IEEE80211_MODE_11NA || 2202 mode == IEEE80211_MODE_11NG); 2203 if (src->ucastrate != dst->ucastrate) { 2204 if (!checkrate(rs, src->ucastrate) && 2205 (!is11n || !checkmcs(src->ucastrate))) 2206 return EINVAL; 2207 changed++; 2208 } 2209 if (src->mcastrate != dst->mcastrate) { 2210 if (!checkrate(rs, src->mcastrate) && 2211 (!is11n || !checkmcs(src->mcastrate))) 2212 return EINVAL; 2213 changed++; 2214 } 2215 if (src->mgmtrate != dst->mgmtrate) { 2216 if (!checkrate(rs, src->mgmtrate) && 2217 (!is11n || !checkmcs(src->mgmtrate))) 2218 return EINVAL; 2219 changed++; 2220 } 2221 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2222 changed++; 2223 } 2224 if (changed) { 2225 /* 2226 * Copy new parameters in place and notify the 2227 * driver so it can push state to the device. 2228 */ 2229 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2230 if (isset(ic->ic_modecaps, mode)) 2231 vap->iv_txparms[mode] = parms.params[mode]; 2232 } 2233 /* XXX could be more intelligent, 2234 e.g. don't reset if setting not being used */ 2235 return ENETRESET; 2236 } 2237 return 0; 2238 } 2239 2240 /* 2241 * Application Information Element support. 2242 */ 2243 static int 2244 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2245 { 2246 struct ieee80211_appie *app = *aie; 2247 struct ieee80211_appie *napp; 2248 int error; 2249 2250 if (ireq->i_len == 0) { /* delete any existing ie */ 2251 if (app != NULL) { 2252 *aie = NULL; /* XXX racey */ 2253 IEEE80211_FREE(app, M_80211_NODE_IE); 2254 } 2255 return 0; 2256 } 2257 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2258 return EINVAL; 2259 /* 2260 * Allocate a new appie structure and copy in the user data. 2261 * When done swap in the new structure. Note that we do not 2262 * guard against users holding a ref to the old structure; 2263 * this must be handled outside this code. 2264 * 2265 * XXX bad bad bad 2266 */ 2267 napp = (struct ieee80211_appie *) IEEE80211_MALLOC( 2268 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, 2269 IEEE80211_M_NOWAIT); 2270 if (napp == NULL) 2271 return ENOMEM; 2272 /* XXX holding ic lock */ 2273 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2274 if (error) { 2275 IEEE80211_FREE(napp, M_80211_NODE_IE); 2276 return error; 2277 } 2278 napp->ie_len = ireq->i_len; 2279 *aie = napp; 2280 if (app != NULL) 2281 IEEE80211_FREE(app, M_80211_NODE_IE); 2282 return 0; 2283 } 2284 2285 static void 2286 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2287 { 2288 /* validate data is present as best we can */ 2289 if (space == 0 || 2+ie[1] > space) 2290 return; 2291 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2292 vap->iv_wpa_ie = ie; 2293 else if (ie[0] == IEEE80211_ELEMID_RSN) 2294 vap->iv_rsn_ie = ie; 2295 } 2296 2297 static __noinline int 2298 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2299 const struct ieee80211req *ireq, int fc0) 2300 { 2301 int error; 2302 2303 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2304 2305 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2306 case IEEE80211_FC0_SUBTYPE_BEACON: 2307 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2308 vap->iv_opmode != IEEE80211_M_IBSS) { 2309 error = EINVAL; 2310 break; 2311 } 2312 error = setappie(&vap->iv_appie_beacon, ireq); 2313 if (error == 0) 2314 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2315 break; 2316 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2317 error = setappie(&vap->iv_appie_proberesp, ireq); 2318 break; 2319 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2320 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2321 error = setappie(&vap->iv_appie_assocresp, ireq); 2322 else 2323 error = EINVAL; 2324 break; 2325 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2326 error = setappie(&vap->iv_appie_probereq, ireq); 2327 break; 2328 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2329 if (vap->iv_opmode == IEEE80211_M_STA) 2330 error = setappie(&vap->iv_appie_assocreq, ireq); 2331 else 2332 error = EINVAL; 2333 break; 2334 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2335 error = setappie(&vap->iv_appie_wpa, ireq); 2336 if (error == 0) { 2337 /* 2338 * Must split single blob of data into separate 2339 * WPA and RSN ie's because they go in different 2340 * locations in the mgt frames. 2341 * XXX use IEEE80211_IOC_WPA2 so user code does split 2342 */ 2343 vap->iv_wpa_ie = NULL; 2344 vap->iv_rsn_ie = NULL; 2345 if (vap->iv_appie_wpa != NULL) { 2346 struct ieee80211_appie *appie = 2347 vap->iv_appie_wpa; 2348 uint8_t *data = appie->ie_data; 2349 2350 /* XXX ie length validate is painful, cheat */ 2351 setwparsnie(vap, data, appie->ie_len); 2352 setwparsnie(vap, data + 2 + data[1], 2353 appie->ie_len - (2 + data[1])); 2354 } 2355 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2356 vap->iv_opmode == IEEE80211_M_IBSS) { 2357 /* 2358 * Must rebuild beacon frame as the update 2359 * mechanism doesn't handle WPA/RSN ie's. 2360 * Could extend it but it doesn't normally 2361 * change; this is just to deal with hostapd 2362 * plumbing the ie after the interface is up. 2363 */ 2364 error = ENETRESET; 2365 } 2366 } 2367 break; 2368 default: 2369 error = EINVAL; 2370 break; 2371 } 2372 return error; 2373 } 2374 2375 static __noinline int 2376 ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2377 const struct ieee80211req *ireq) 2378 { 2379 struct ieee80211com *ic = vap->iv_ic; 2380 int error; 2381 uint8_t fc0; 2382 2383 fc0 = ireq->i_val & 0xff; 2384 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2385 return EINVAL; 2386 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2387 IEEE80211_LOCK(ic); 2388 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2389 IEEE80211_UNLOCK(ic); 2390 return error; 2391 } 2392 2393 static __noinline int 2394 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2395 { 2396 struct ieee80211com *ic = vap->iv_ic; 2397 struct ieee80211_chanswitch_req csr; 2398 struct ieee80211_channel *c; 2399 int error; 2400 2401 if (ireq->i_len != sizeof(csr)) 2402 return EINVAL; 2403 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2404 if (error != 0) 2405 return error; 2406 /* XXX adhoc mode not supported */ 2407 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2408 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2409 return EOPNOTSUPP; 2410 c = ieee80211_find_channel(ic, 2411 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2412 if (c == NULL) 2413 return ENOENT; 2414 IEEE80211_LOCK(ic); 2415 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2416 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2417 else if (csr.csa_count == 0) 2418 ieee80211_csa_cancelswitch(ic); 2419 else 2420 error = EBUSY; 2421 IEEE80211_UNLOCK(ic); 2422 return error; 2423 } 2424 2425 static int 2426 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr) 2427 { 2428 #define IEEE80211_IOC_SCAN_FLAGS \ 2429 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2430 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2431 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2432 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2433 IEEE80211_IOC_SCAN_CHECK) 2434 struct ieee80211com *ic = vap->iv_ic; 2435 int error, i; 2436 2437 /* convert duration */ 2438 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2439 sr->sr_duration = IEEE80211_SCAN_FOREVER; 2440 else { 2441 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2442 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2443 return EINVAL; 2444 sr->sr_duration = msecs_to_ticks(sr->sr_duration); 2445 if (sr->sr_duration < 1) 2446 sr->sr_duration = 1; 2447 } 2448 /* convert min/max channel dwell */ 2449 if (sr->sr_mindwell != 0) { 2450 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell); 2451 if (sr->sr_mindwell < 1) 2452 sr->sr_mindwell = 1; 2453 } 2454 if (sr->sr_maxdwell != 0) { 2455 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell); 2456 if (sr->sr_maxdwell < 1) 2457 sr->sr_maxdwell = 1; 2458 } 2459 /* NB: silently reduce ssid count to what is supported */ 2460 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID) 2461 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID; 2462 for (i = 0; i < sr->sr_nssid; i++) 2463 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN) 2464 return EINVAL; 2465 /* cleanse flags just in case, could reject if invalid flags */ 2466 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2467 /* 2468 * Add an implicit NOPICK if the vap is not marked UP. This 2469 * allows applications to scan without joining a bss (or picking 2470 * a channel and setting up a bss) and without forcing manual 2471 * roaming mode--you just need to mark the parent device UP. 2472 */ 2473 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2474 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2475 2476 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2477 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2478 __func__, sr->sr_flags, 2479 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2480 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid); 2481 /* 2482 * If we are in INIT state then the driver has never had a chance 2483 * to setup hardware state to do a scan; we must use the state 2484 * machine to get us up to the SCAN state but once we reach SCAN 2485 * state we then want to use the supplied params. Stash the 2486 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2487 * state machines will recognize this and use the stashed params 2488 * to issue the scan request. 2489 * 2490 * Otherwise just invoke the scan machinery directly. 2491 */ 2492 IEEE80211_LOCK(ic); 2493 if (vap->iv_state == IEEE80211_S_INIT) { 2494 /* NB: clobbers previous settings */ 2495 vap->iv_scanreq_flags = sr->sr_flags; 2496 vap->iv_scanreq_duration = sr->sr_duration; 2497 vap->iv_scanreq_nssid = sr->sr_nssid; 2498 for (i = 0; i < sr->sr_nssid; i++) { 2499 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len; 2500 memcpy(vap->iv_scanreq_ssid[i].ssid, 2501 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len); 2502 } 2503 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2504 IEEE80211_UNLOCK(ic); 2505 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2506 } else { 2507 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2508 IEEE80211_UNLOCK(ic); 2509 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2510 error = ieee80211_check_scan(vap, sr->sr_flags, 2511 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2512 sr->sr_nssid, 2513 /* NB: cheat, we assume structures are compatible */ 2514 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2515 } else { 2516 error = ieee80211_start_scan(vap, sr->sr_flags, 2517 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2518 sr->sr_nssid, 2519 /* NB: cheat, we assume structures are compatible */ 2520 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2521 } 2522 if (error == 0) 2523 return EINPROGRESS; 2524 } 2525 return 0; 2526 #undef IEEE80211_IOC_SCAN_FLAGS 2527 } 2528 2529 static __noinline int 2530 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2531 { 2532 struct ieee80211com *ic = vap->iv_ic; 2533 struct ieee80211_scan_req sr; /* XXX off stack? */ 2534 int error; 2535 2536 /* NB: parent must be running */ 2537 if ((ic->ic_ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 2538 return ENXIO; 2539 2540 if (ireq->i_len != sizeof(sr)) 2541 return EINVAL; 2542 error = copyin(ireq->i_data, &sr, sizeof(sr)); 2543 if (error != 0) 2544 return error; 2545 return ieee80211_scanreq(vap, &sr); 2546 } 2547 2548 static __noinline int 2549 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2550 { 2551 struct ieee80211_node *ni; 2552 struct ieee80211req_sta_vlan vlan; 2553 int error; 2554 2555 if (ireq->i_len != sizeof(vlan)) 2556 return EINVAL; 2557 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2558 if (error != 0) 2559 return error; 2560 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2561 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2562 vlan.sv_macaddr); 2563 if (ni == NULL) 2564 return ENOENT; 2565 } else 2566 ni = ieee80211_ref_node(vap->iv_bss); 2567 ni->ni_vlan = vlan.sv_vlan; 2568 ieee80211_free_node(ni); 2569 return error; 2570 } 2571 2572 static int 2573 isvap11g(const struct ieee80211vap *vap) 2574 { 2575 const struct ieee80211_node *bss = vap->iv_bss; 2576 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2577 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2578 } 2579 2580 static int 2581 isvapht(const struct ieee80211vap *vap) 2582 { 2583 const struct ieee80211_node *bss = vap->iv_bss; 2584 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2585 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2586 } 2587 2588 /* 2589 * Dummy ioctl set handler so the linker set is defined. 2590 */ 2591 static int 2592 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2593 { 2594 return ENOSYS; 2595 } 2596 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2597 2598 static int 2599 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2600 { 2601 ieee80211_ioctl_setfunc * const *set; 2602 int error; 2603 2604 SET_FOREACH(set, ieee80211_ioctl_setset) { 2605 error = (*set)(vap, ireq); 2606 if (error != ENOSYS) 2607 return error; 2608 } 2609 return EINVAL; 2610 } 2611 2612 static __noinline int 2613 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2614 { 2615 struct ieee80211com *ic = vap->iv_ic; 2616 int error; 2617 const struct ieee80211_authenticator *auth; 2618 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2619 char tmpssid[IEEE80211_NWID_LEN]; 2620 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2621 struct ieee80211_key *k; 2622 u_int kid; 2623 uint32_t flags; 2624 2625 error = 0; 2626 switch (ireq->i_type) { 2627 case IEEE80211_IOC_SSID: 2628 if (ireq->i_val != 0 || 2629 ireq->i_len > IEEE80211_NWID_LEN) 2630 return EINVAL; 2631 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2632 if (error) 2633 break; 2634 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2635 vap->iv_des_ssid[0].len = ireq->i_len; 2636 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2637 vap->iv_des_nssid = (ireq->i_len > 0); 2638 error = ENETRESET; 2639 break; 2640 case IEEE80211_IOC_WEP: 2641 switch (ireq->i_val) { 2642 case IEEE80211_WEP_OFF: 2643 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2644 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2645 break; 2646 case IEEE80211_WEP_ON: 2647 vap->iv_flags |= IEEE80211_F_PRIVACY; 2648 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2649 break; 2650 case IEEE80211_WEP_MIXED: 2651 vap->iv_flags |= IEEE80211_F_PRIVACY; 2652 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2653 break; 2654 } 2655 error = ENETRESET; 2656 break; 2657 case IEEE80211_IOC_WEPKEY: 2658 kid = (u_int) ireq->i_val; 2659 if (kid >= IEEE80211_WEP_NKID) 2660 return EINVAL; 2661 k = &vap->iv_nw_keys[kid]; 2662 if (ireq->i_len == 0) { 2663 /* zero-len =>'s delete any existing key */ 2664 (void) ieee80211_crypto_delkey(vap, k); 2665 break; 2666 } 2667 if (ireq->i_len > sizeof(tmpkey)) 2668 return EINVAL; 2669 memset(tmpkey, 0, sizeof(tmpkey)); 2670 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2671 if (error) 2672 break; 2673 ieee80211_key_update_begin(vap); 2674 k->wk_keyix = kid; /* NB: force fixed key id */ 2675 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2676 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2677 k->wk_keylen = ireq->i_len; 2678 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2679 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2680 if (!ieee80211_crypto_setkey(vap, k)) 2681 error = EINVAL; 2682 } else 2683 error = EINVAL; 2684 ieee80211_key_update_end(vap); 2685 break; 2686 case IEEE80211_IOC_WEPTXKEY: 2687 kid = (u_int) ireq->i_val; 2688 if (kid >= IEEE80211_WEP_NKID && 2689 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2690 return EINVAL; 2691 vap->iv_def_txkey = kid; 2692 break; 2693 case IEEE80211_IOC_AUTHMODE: 2694 switch (ireq->i_val) { 2695 case IEEE80211_AUTH_WPA: 2696 case IEEE80211_AUTH_8021X: /* 802.1x */ 2697 case IEEE80211_AUTH_OPEN: /* open */ 2698 case IEEE80211_AUTH_SHARED: /* shared-key */ 2699 case IEEE80211_AUTH_AUTO: /* auto */ 2700 auth = ieee80211_authenticator_get(ireq->i_val); 2701 if (auth == NULL) 2702 return EINVAL; 2703 break; 2704 default: 2705 return EINVAL; 2706 } 2707 switch (ireq->i_val) { 2708 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2709 vap->iv_flags |= IEEE80211_F_PRIVACY; 2710 ireq->i_val = IEEE80211_AUTH_8021X; 2711 break; 2712 case IEEE80211_AUTH_OPEN: /* open */ 2713 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2714 break; 2715 case IEEE80211_AUTH_SHARED: /* shared-key */ 2716 case IEEE80211_AUTH_8021X: /* 802.1x */ 2717 vap->iv_flags &= ~IEEE80211_F_WPA; 2718 /* both require a key so mark the PRIVACY capability */ 2719 vap->iv_flags |= IEEE80211_F_PRIVACY; 2720 break; 2721 case IEEE80211_AUTH_AUTO: /* auto */ 2722 vap->iv_flags &= ~IEEE80211_F_WPA; 2723 /* XXX PRIVACY handling? */ 2724 /* XXX what's the right way to do this? */ 2725 break; 2726 } 2727 /* NB: authenticator attach/detach happens on state change */ 2728 vap->iv_bss->ni_authmode = ireq->i_val; 2729 /* XXX mixed/mode/usage? */ 2730 vap->iv_auth = auth; 2731 error = ENETRESET; 2732 break; 2733 case IEEE80211_IOC_CHANNEL: 2734 error = ieee80211_ioctl_setchannel(vap, ireq); 2735 break; 2736 case IEEE80211_IOC_POWERSAVE: 2737 switch (ireq->i_val) { 2738 case IEEE80211_POWERSAVE_OFF: 2739 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2740 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2741 error = ERESTART; 2742 } 2743 break; 2744 case IEEE80211_POWERSAVE_ON: 2745 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2746 error = EOPNOTSUPP; 2747 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2748 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2749 error = ERESTART; 2750 } 2751 break; 2752 default: 2753 error = EINVAL; 2754 break; 2755 } 2756 break; 2757 case IEEE80211_IOC_POWERSAVESLEEP: 2758 if (ireq->i_val < 0) 2759 return EINVAL; 2760 ic->ic_lintval = ireq->i_val; 2761 error = ERESTART; 2762 break; 2763 case IEEE80211_IOC_RTSTHRESHOLD: 2764 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2765 ireq->i_val <= IEEE80211_RTS_MAX)) 2766 return EINVAL; 2767 vap->iv_rtsthreshold = ireq->i_val; 2768 error = ERESTART; 2769 break; 2770 case IEEE80211_IOC_PROTMODE: 2771 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2772 return EINVAL; 2773 ic->ic_protmode = (enum ieee80211_protmode)ireq->i_val; 2774 /* NB: if not operating in 11g this can wait */ 2775 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2776 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2777 error = ERESTART; 2778 break; 2779 case IEEE80211_IOC_TXPOWER: 2780 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2781 return EOPNOTSUPP; 2782 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2783 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2784 return EINVAL; 2785 ic->ic_txpowlimit = ireq->i_val; 2786 error = ERESTART; 2787 break; 2788 case IEEE80211_IOC_ROAMING: 2789 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2790 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2791 return EINVAL; 2792 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val; 2793 /* XXXX reset? */ 2794 break; 2795 case IEEE80211_IOC_PRIVACY: 2796 if (ireq->i_val) { 2797 /* XXX check for key state? */ 2798 vap->iv_flags |= IEEE80211_F_PRIVACY; 2799 } else 2800 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2801 /* XXX ERESTART? */ 2802 break; 2803 case IEEE80211_IOC_DROPUNENCRYPTED: 2804 if (ireq->i_val) 2805 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2806 else 2807 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2808 /* XXX ERESTART? */ 2809 break; 2810 case IEEE80211_IOC_WPAKEY: 2811 error = ieee80211_ioctl_setkey(vap, ireq); 2812 break; 2813 case IEEE80211_IOC_DELKEY: 2814 error = ieee80211_ioctl_delkey(vap, ireq); 2815 break; 2816 case IEEE80211_IOC_MLME: 2817 error = ieee80211_ioctl_setmlme(vap, ireq); 2818 break; 2819 case IEEE80211_IOC_COUNTERMEASURES: 2820 if (ireq->i_val) { 2821 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2822 return EOPNOTSUPP; 2823 vap->iv_flags |= IEEE80211_F_COUNTERM; 2824 } else 2825 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2826 /* XXX ERESTART? */ 2827 break; 2828 case IEEE80211_IOC_WPA: 2829 if (ireq->i_val > 3) 2830 return EINVAL; 2831 /* XXX verify ciphers available */ 2832 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2833 switch (ireq->i_val) { 2834 case 1: 2835 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2836 return EOPNOTSUPP; 2837 flags |= IEEE80211_F_WPA1; 2838 break; 2839 case 2: 2840 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2841 return EOPNOTSUPP; 2842 flags |= IEEE80211_F_WPA2; 2843 break; 2844 case 3: 2845 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2846 return EOPNOTSUPP; 2847 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2848 break; 2849 default: /* Can't set any -> error */ 2850 return EOPNOTSUPP; 2851 } 2852 vap->iv_flags = flags; 2853 error = ERESTART; /* NB: can change beacon frame */ 2854 break; 2855 case IEEE80211_IOC_WME: 2856 if (ireq->i_val) { 2857 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 2858 return EOPNOTSUPP; 2859 ieee80211_syncflag(vap, IEEE80211_F_WME); 2860 } else 2861 ieee80211_syncflag(vap, -IEEE80211_F_WME); 2862 error = ERESTART; /* NB: can change beacon frame */ 2863 break; 2864 case IEEE80211_IOC_HIDESSID: 2865 if (ireq->i_val) 2866 vap->iv_flags |= IEEE80211_F_HIDESSID; 2867 else 2868 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 2869 error = ERESTART; /* XXX ENETRESET? */ 2870 break; 2871 case IEEE80211_IOC_APBRIDGE: 2872 if (ireq->i_val == 0) 2873 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 2874 else 2875 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 2876 break; 2877 case IEEE80211_IOC_BSSID: 2878 if (ireq->i_len != sizeof(tmpbssid)) 2879 return EINVAL; 2880 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 2881 if (error) 2882 break; 2883 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 2884 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 2885 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 2886 else 2887 vap->iv_flags |= IEEE80211_F_DESBSSID; 2888 error = ENETRESET; 2889 break; 2890 case IEEE80211_IOC_CHANLIST: 2891 error = ieee80211_ioctl_setchanlist(vap, ireq); 2892 break; 2893 #define OLD_IEEE80211_IOC_SCAN_REQ 23 2894 #ifdef OLD_IEEE80211_IOC_SCAN_REQ 2895 case OLD_IEEE80211_IOC_SCAN_REQ: 2896 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2897 "%s: active scan request\n", __func__); 2898 /* 2899 * If we are in INIT state then the driver has never 2900 * had a chance to setup hardware state to do a scan; 2901 * use the state machine to get us up the SCAN state. 2902 * Otherwise just invoke the scan machinery to start 2903 * a one-time scan. 2904 */ 2905 if (vap->iv_state == IEEE80211_S_INIT) 2906 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2907 else 2908 (void) ieee80211_start_scan(vap, 2909 IEEE80211_SCAN_ACTIVE | 2910 IEEE80211_SCAN_NOPICK | 2911 IEEE80211_SCAN_ONCE, 2912 IEEE80211_SCAN_FOREVER, 0, 0, 2913 /* XXX use ioctl params */ 2914 vap->iv_des_nssid, vap->iv_des_ssid); 2915 break; 2916 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 2917 case IEEE80211_IOC_SCAN_REQ: 2918 error = ieee80211_ioctl_scanreq(vap, ireq); 2919 break; 2920 case IEEE80211_IOC_SCAN_CANCEL: 2921 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2922 "%s: cancel scan\n", __func__); 2923 ieee80211_cancel_scan(vap); 2924 break; 2925 case IEEE80211_IOC_HTCONF: 2926 if (ireq->i_val & 1) 2927 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 2928 else 2929 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 2930 if (ireq->i_val & 2) 2931 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 2932 else 2933 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 2934 error = ENETRESET; 2935 break; 2936 case IEEE80211_IOC_ADDMAC: 2937 case IEEE80211_IOC_DELMAC: 2938 error = ieee80211_ioctl_macmac(vap, ireq); 2939 break; 2940 case IEEE80211_IOC_MACCMD: 2941 error = ieee80211_ioctl_setmaccmd(vap, ireq); 2942 break; 2943 case IEEE80211_IOC_STA_STATS: 2944 error = ieee80211_ioctl_setstastats(vap, ireq); 2945 break; 2946 case IEEE80211_IOC_STA_TXPOW: 2947 error = ieee80211_ioctl_setstatxpow(vap, ireq); 2948 break; 2949 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 2950 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 2951 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 2952 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 2953 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 2954 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 2955 error = ieee80211_ioctl_setwmeparam(vap, ireq); 2956 break; 2957 case IEEE80211_IOC_DTIM_PERIOD: 2958 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2959 vap->iv_opmode != IEEE80211_M_MBSS && 2960 vap->iv_opmode != IEEE80211_M_IBSS) 2961 return EINVAL; 2962 if (IEEE80211_DTIM_MIN <= ireq->i_val && 2963 ireq->i_val <= IEEE80211_DTIM_MAX) { 2964 vap->iv_dtim_period = ireq->i_val; 2965 error = ENETRESET; /* requires restart */ 2966 } else 2967 error = EINVAL; 2968 break; 2969 case IEEE80211_IOC_BEACON_INTERVAL: 2970 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2971 vap->iv_opmode != IEEE80211_M_MBSS && 2972 vap->iv_opmode != IEEE80211_M_IBSS) 2973 return EINVAL; 2974 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 2975 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 2976 ic->ic_bintval = ireq->i_val; 2977 error = ENETRESET; /* requires restart */ 2978 } else 2979 error = EINVAL; 2980 break; 2981 case IEEE80211_IOC_PUREG: 2982 if (ireq->i_val) 2983 vap->iv_flags |= IEEE80211_F_PUREG; 2984 else 2985 vap->iv_flags &= ~IEEE80211_F_PUREG; 2986 /* NB: reset only if we're operating on an 11g channel */ 2987 if (isvap11g(vap)) 2988 error = ENETRESET; 2989 break; 2990 case IEEE80211_IOC_QUIET: 2991 vap->iv_quiet= ireq->i_val; 2992 break; 2993 case IEEE80211_IOC_QUIET_COUNT: 2994 vap->iv_quiet_count=ireq->i_val; 2995 break; 2996 case IEEE80211_IOC_QUIET_PERIOD: 2997 vap->iv_quiet_period=ireq->i_val; 2998 break; 2999 case IEEE80211_IOC_QUIET_OFFSET: 3000 vap->iv_quiet_offset=ireq->i_val; 3001 break; 3002 case IEEE80211_IOC_QUIET_DUR: 3003 if(ireq->i_val < vap->iv_bss->ni_intval) 3004 vap->iv_quiet_duration = ireq->i_val; 3005 else 3006 error = EINVAL; 3007 break; 3008 case IEEE80211_IOC_BGSCAN: 3009 if (ireq->i_val) { 3010 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 3011 return EOPNOTSUPP; 3012 vap->iv_flags |= IEEE80211_F_BGSCAN; 3013 } else 3014 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 3015 break; 3016 case IEEE80211_IOC_BGSCAN_IDLE: 3017 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 3018 vap->iv_bgscanidle = ireq->i_val*hz/1000; 3019 else 3020 error = EINVAL; 3021 break; 3022 case IEEE80211_IOC_BGSCAN_INTERVAL: 3023 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 3024 vap->iv_bgscanintvl = ireq->i_val*hz; 3025 else 3026 error = EINVAL; 3027 break; 3028 case IEEE80211_IOC_SCANVALID: 3029 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 3030 vap->iv_scanvalid = ireq->i_val*hz; 3031 else 3032 error = EINVAL; 3033 break; 3034 case IEEE80211_IOC_FRAGTHRESHOLD: 3035 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 3036 ireq->i_val != IEEE80211_FRAG_MAX) 3037 return EOPNOTSUPP; 3038 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 3039 ireq->i_val <= IEEE80211_FRAG_MAX)) 3040 return EINVAL; 3041 vap->iv_fragthreshold = ireq->i_val; 3042 error = ERESTART; 3043 break; 3044 case IEEE80211_IOC_BURST: 3045 if (ireq->i_val) { 3046 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 3047 return EOPNOTSUPP; 3048 ieee80211_syncflag(vap, IEEE80211_F_BURST); 3049 } else 3050 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 3051 error = ERESTART; 3052 break; 3053 case IEEE80211_IOC_BMISSTHRESHOLD: 3054 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 3055 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 3056 return EINVAL; 3057 vap->iv_bmissthreshold = ireq->i_val; 3058 error = ERESTART; 3059 break; 3060 case IEEE80211_IOC_CURCHAN: 3061 error = ieee80211_ioctl_setcurchan(vap, ireq); 3062 break; 3063 case IEEE80211_IOC_SHORTGI: 3064 if (ireq->i_val) { 3065 #define IEEE80211_HTCAP_SHORTGI \ 3066 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 3067 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 3068 return EINVAL; 3069 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 3070 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 3071 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 3072 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 3073 #undef IEEE80211_HTCAP_SHORTGI 3074 } else 3075 vap->iv_flags_ht &= 3076 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 3077 error = ERESTART; 3078 break; 3079 case IEEE80211_IOC_AMPDU: 3080 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 3081 return EINVAL; 3082 if (ireq->i_val & 1) 3083 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 3084 else 3085 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 3086 if (ireq->i_val & 2) 3087 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 3088 else 3089 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 3090 /* NB: reset only if we're operating on an 11n channel */ 3091 if (isvapht(vap)) 3092 error = ERESTART; 3093 break; 3094 case IEEE80211_IOC_AMPDU_LIMIT: 3095 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 3096 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 3097 return EINVAL; 3098 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 3099 vap->iv_ampdu_rxmax = ireq->i_val; 3100 else 3101 vap->iv_ampdu_limit = ireq->i_val; 3102 error = ERESTART; 3103 break; 3104 case IEEE80211_IOC_AMPDU_DENSITY: 3105 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 3106 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 3107 return EINVAL; 3108 vap->iv_ampdu_density = ireq->i_val; 3109 error = ERESTART; 3110 break; 3111 case IEEE80211_IOC_AMSDU: 3112 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 3113 return EINVAL; 3114 if (ireq->i_val & 1) 3115 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 3116 else 3117 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 3118 if (ireq->i_val & 2) 3119 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 3120 else 3121 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 3122 /* NB: reset only if we're operating on an 11n channel */ 3123 if (isvapht(vap)) 3124 error = ERESTART; 3125 break; 3126 case IEEE80211_IOC_AMSDU_LIMIT: 3127 /* XXX validate */ 3128 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 3129 break; 3130 case IEEE80211_IOC_PUREN: 3131 if (ireq->i_val) { 3132 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3133 return EINVAL; 3134 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3135 } else 3136 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3137 /* NB: reset only if we're operating on an 11n channel */ 3138 if (isvapht(vap)) 3139 error = ERESTART; 3140 break; 3141 case IEEE80211_IOC_DOTH: 3142 if (ireq->i_val) { 3143 #if 0 3144 /* XXX no capability */ 3145 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3146 return EOPNOTSUPP; 3147 #endif 3148 vap->iv_flags |= IEEE80211_F_DOTH; 3149 } else 3150 vap->iv_flags &= ~IEEE80211_F_DOTH; 3151 error = ENETRESET; 3152 break; 3153 case IEEE80211_IOC_REGDOMAIN: 3154 error = ieee80211_ioctl_setregdomain(vap, ireq); 3155 break; 3156 case IEEE80211_IOC_ROAM: 3157 error = ieee80211_ioctl_setroam(vap, ireq); 3158 break; 3159 case IEEE80211_IOC_TXPARAMS: 3160 error = ieee80211_ioctl_settxparams(vap, ireq); 3161 break; 3162 case IEEE80211_IOC_HTCOMPAT: 3163 if (ireq->i_val) { 3164 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3165 return EOPNOTSUPP; 3166 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3167 } else 3168 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 3169 /* NB: reset only if we're operating on an 11n channel */ 3170 if (isvapht(vap)) 3171 error = ERESTART; 3172 break; 3173 case IEEE80211_IOC_DWDS: 3174 if (ireq->i_val) { 3175 /* NB: DWDS only makes sense for WDS-capable devices */ 3176 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3177 return EOPNOTSUPP; 3178 /* NB: DWDS is used only with ap+sta vaps */ 3179 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3180 vap->iv_opmode != IEEE80211_M_STA) 3181 return EINVAL; 3182 vap->iv_flags |= IEEE80211_F_DWDS; 3183 if (vap->iv_opmode == IEEE80211_M_STA) 3184 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3185 } else { 3186 vap->iv_flags &= ~IEEE80211_F_DWDS; 3187 if (vap->iv_opmode == IEEE80211_M_STA) 3188 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3189 } 3190 break; 3191 case IEEE80211_IOC_INACTIVITY: 3192 if (ireq->i_val) 3193 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3194 else 3195 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3196 break; 3197 case IEEE80211_IOC_APPIE: 3198 error = ieee80211_ioctl_setappie(vap, ireq); 3199 break; 3200 case IEEE80211_IOC_WPS: 3201 if (ireq->i_val) { 3202 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3203 return EOPNOTSUPP; 3204 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3205 } else 3206 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3207 break; 3208 case IEEE80211_IOC_TSN: 3209 if (ireq->i_val) { 3210 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3211 return EOPNOTSUPP; 3212 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3213 } else 3214 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3215 break; 3216 case IEEE80211_IOC_CHANSWITCH: 3217 error = ieee80211_ioctl_chanswitch(vap, ireq); 3218 break; 3219 case IEEE80211_IOC_DFS: 3220 if (ireq->i_val) { 3221 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3222 return EOPNOTSUPP; 3223 /* NB: DFS requires 11h support */ 3224 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3225 return EINVAL; 3226 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3227 } else 3228 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3229 break; 3230 case IEEE80211_IOC_DOTD: 3231 if (ireq->i_val) 3232 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3233 else 3234 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3235 if (vap->iv_opmode == IEEE80211_M_STA) 3236 error = ENETRESET; 3237 break; 3238 case IEEE80211_IOC_HTPROTMODE: 3239 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3240 return EINVAL; 3241 ic->ic_htprotmode = ireq->i_val ? 3242 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3243 /* NB: if not operating in 11n this can wait */ 3244 if (isvapht(vap)) 3245 error = ERESTART; 3246 break; 3247 case IEEE80211_IOC_STA_VLAN: 3248 error = ieee80211_ioctl_setstavlan(vap, ireq); 3249 break; 3250 case IEEE80211_IOC_SMPS: 3251 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3252 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3253 return EINVAL; 3254 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3255 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3256 return EOPNOTSUPP; 3257 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3258 ireq->i_val; 3259 /* NB: if not operating in 11n this can wait */ 3260 if (isvapht(vap)) 3261 error = ERESTART; 3262 break; 3263 case IEEE80211_IOC_RIFS: 3264 if (ireq->i_val != 0) { 3265 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3266 return EOPNOTSUPP; 3267 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3268 } else 3269 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3270 /* NB: if not operating in 11n this can wait */ 3271 if (isvapht(vap)) 3272 error = ERESTART; 3273 break; 3274 default: 3275 error = ieee80211_ioctl_setdefault(vap, ireq); 3276 break; 3277 } 3278 /* 3279 * The convention is that ENETRESET means an operation 3280 * requires a complete re-initialization of the device (e.g. 3281 * changing something that affects the association state). 3282 * ERESTART means the request may be handled with only a 3283 * reload of the hardware state. We hand ERESTART requests 3284 * to the iv_reset callback so the driver can decide. If 3285 * a device does not fillin iv_reset then it defaults to one 3286 * that returns ENETRESET. Otherwise a driver may return 3287 * ENETRESET (in which case a full reset will be done) or 3288 * 0 to mean there's no need to do anything (e.g. when the 3289 * change has no effect on the driver/device). 3290 */ 3291 if (error == ERESTART) 3292 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3293 vap->iv_reset(vap, ireq->i_type) : 0; 3294 if (error == ENETRESET) { 3295 /* XXX need to re-think AUTO handling */ 3296 if (IS_UP_AUTO(vap)) 3297 ieee80211_init(vap); 3298 error = 0; 3299 } 3300 return error; 3301 } 3302 3303 /* 3304 * Rebuild the parent's multicast address list after an add/del 3305 * of a multicast address for a vap. We have no way to tell 3306 * what happened above to optimize the work so we purge the entire 3307 * list and rebuild from scratch. This is way expensive. 3308 * Note also the half-baked workaround for if_addmulti calling 3309 * back to the parent device; there's no way to insert mcast 3310 * entries quietly and/or cheaply. 3311 */ 3312 static void 3313 ieee80211_ioctl_updatemulti(struct ieee80211com *ic) 3314 { 3315 struct ifnet *parent = ic->ic_ifp; 3316 struct ieee80211vap *vap; 3317 void *ioctl; 3318 3319 IEEE80211_LOCK(ic); 3320 if_delallmulti(parent); 3321 ioctl = parent->if_ioctl; /* XXX WAR if_allmulti */ 3322 parent->if_ioctl = NULL; 3323 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 3324 struct ifnet *ifp = vap->iv_ifp; 3325 struct ifmultiaddr *ifma; 3326 3327 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 3328 if (ifma->ifma_addr->sa_family != AF_LINK) 3329 continue; 3330 (void) if_addmulti(parent, ifma->ifma_addr, NULL); 3331 } 3332 } 3333 parent->if_ioctl = ioctl; 3334 ieee80211_runtask(ic, &ic->ic_mcast_task); 3335 IEEE80211_UNLOCK(ic); 3336 } 3337 3338 int 3339 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3340 { 3341 struct ieee80211vap *vap = ifp->if_softc; 3342 struct ieee80211com *ic = vap->iv_ic; 3343 int error = 0; 3344 struct ifreq *ifr; 3345 struct ifaddr *ifa; /* XXX */ 3346 3347 switch (cmd) { 3348 case SIOCSIFFLAGS: 3349 IEEE80211_LOCK(ic); 3350 ieee80211_syncifflag_locked(ic, IFF_PROMISC); 3351 ieee80211_syncifflag_locked(ic, IFF_ALLMULTI); 3352 if (ifp->if_flags & IFF_UP) { 3353 /* 3354 * Bring ourself up unless we're already operational. 3355 * If we're the first vap and the parent is not up 3356 * then it will automatically be brought up as a 3357 * side-effect of bringing ourself up. 3358 */ 3359 if (vap->iv_state == IEEE80211_S_INIT) 3360 ieee80211_start_locked(vap); 3361 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 3362 /* 3363 * Stop ourself. If we are the last vap to be 3364 * marked down the parent will also be taken down. 3365 */ 3366 ieee80211_stop_locked(vap); 3367 } 3368 IEEE80211_UNLOCK(ic); 3369 /* Wait for parent ioctl handler if it was queued */ 3370 ieee80211_waitfor_parent(ic); 3371 break; 3372 case SIOCADDMULTI: 3373 case SIOCDELMULTI: 3374 ieee80211_ioctl_updatemulti(ic); 3375 break; 3376 case SIOCSIFMEDIA: 3377 case SIOCGIFMEDIA: 3378 ifr = (struct ifreq *)data; 3379 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3380 break; 3381 case SIOCG80211: 3382 error = ieee80211_ioctl_get80211(vap, cmd, 3383 (struct ieee80211req *) data); 3384 break; 3385 case SIOCS80211: 3386 error = priv_check(curthread, PRIV_NET80211_MANAGE); 3387 if (error == 0) 3388 error = ieee80211_ioctl_set80211(vap, cmd, 3389 (struct ieee80211req *) data); 3390 break; 3391 case SIOCG80211STATS: 3392 ifr = (struct ifreq *)data; 3393 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats)); 3394 break; 3395 case SIOCSIFMTU: 3396 ifr = (struct ifreq *)data; 3397 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3398 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3399 error = EINVAL; 3400 else 3401 ifp->if_mtu = ifr->ifr_mtu; 3402 break; 3403 case SIOCSIFADDR: 3404 /* 3405 * XXX Handle this directly so we can supress if_init calls. 3406 * XXX This should be done in ether_ioctl but for the moment 3407 * XXX there are too many other parts of the system that 3408 * XXX set IFF_UP and so supress if_init being called when 3409 * XXX it should be. 3410 */ 3411 ifa = (struct ifaddr *) data; 3412 switch (ifa->ifa_addr->sa_family) { 3413 #ifdef INET 3414 case AF_INET: 3415 if ((ifp->if_flags & IFF_UP) == 0) { 3416 ifp->if_flags |= IFF_UP; 3417 ifp->if_init(ifp->if_softc); 3418 } 3419 arp_ifinit(ifp, ifa); 3420 break; 3421 #endif 3422 default: 3423 if ((ifp->if_flags & IFF_UP) == 0) { 3424 ifp->if_flags |= IFF_UP; 3425 ifp->if_init(ifp->if_softc); 3426 } 3427 break; 3428 } 3429 break; 3430 /* Pass NDIS ioctls up to the driver */ 3431 case SIOCGDRVSPEC: 3432 case SIOCSDRVSPEC: 3433 case SIOCGPRIVATE_0: { 3434 struct ifnet *parent = vap->iv_ic->ic_ifp; 3435 error = parent->if_ioctl(parent, cmd, data); 3436 break; 3437 } 3438 default: 3439 error = ether_ioctl(ifp, cmd, data); 3440 break; 3441 } 3442 return error; 3443 } 3444