Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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sys/net80211/ieee80211_ioctl.c
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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: releng/10.1/sys/net80211/ieee80211_ioctl.c 252369 2013-06-29 06:36:42Z rpaulo $"); 29 30 /* 31 * IEEE 802.11 ioctl support (FreeBSD-specific) 32 */ 33 34 #include "opt_inet.h" 35 #include "opt_ipx.h" 36 #include "opt_wlan.h" 37 38 #include <sys/endian.h> 39 #include <sys/param.h> 40 #include <sys/kernel.h> 41 #include <sys/priv.h> 42 #include <sys/socket.h> 43 #include <sys/sockio.h> 44 #include <sys/systm.h> 45 46 #include <net/if.h> 47 #include <net/if_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 #ifdef IPX 57 #include <netipx/ipx.h> 58 #include <netipx/ipx_if.h> 59 #endif 60 61 #include <net80211/ieee80211_var.h> 62 #include <net80211/ieee80211_ioctl.h> 63 #include <net80211/ieee80211_regdomain.h> 64 #include <net80211/ieee80211_input.h> 65 66 #define IS_UP_AUTO(_vap) \ 67 (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \ 68 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO) 69 70 static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 71 static struct ieee80211_channel *findchannel(struct ieee80211com *, 72 int ieee, int mode); 73 static int ieee80211_scanreq(struct ieee80211vap *, 74 struct ieee80211_scan_req *); 75 76 static __noinline int 77 ieee80211_ioctl_getkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 78 { 79 struct ieee80211com *ic = vap->iv_ic; 80 struct ieee80211_node *ni; 81 struct ieee80211req_key ik; 82 struct ieee80211_key *wk; 83 const struct ieee80211_cipher *cip; 84 u_int kid; 85 int error; 86 87 if (ireq->i_len != sizeof(ik)) 88 return EINVAL; 89 error = copyin(ireq->i_data, &ik, sizeof(ik)); 90 if (error) 91 return error; 92 kid = ik.ik_keyix; 93 if (kid == IEEE80211_KEYIX_NONE) { 94 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr); 95 if (ni == NULL) 96 return ENOENT; 97 wk = &ni->ni_ucastkey; 98 } else { 99 if (kid >= IEEE80211_WEP_NKID) 100 return EINVAL; 101 wk = &vap->iv_nw_keys[kid]; 102 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr); 103 ni = NULL; 104 } 105 cip = wk->wk_cipher; 106 ik.ik_type = cip->ic_cipher; 107 ik.ik_keylen = wk->wk_keylen; 108 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 109 if (wk->wk_keyix == vap->iv_def_txkey) 110 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 111 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 112 /* NB: only root can read key data */ 113 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID]; 114 ik.ik_keytsc = wk->wk_keytsc; 115 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 116 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 117 memcpy(ik.ik_keydata+wk->wk_keylen, 118 wk->wk_key + IEEE80211_KEYBUF_SIZE, 119 IEEE80211_MICBUF_SIZE); 120 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 121 } 122 } else { 123 ik.ik_keyrsc = 0; 124 ik.ik_keytsc = 0; 125 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 126 } 127 if (ni != NULL) 128 ieee80211_free_node(ni); 129 return copyout(&ik, ireq->i_data, sizeof(ik)); 130 } 131 132 static __noinline int 133 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 134 { 135 struct ieee80211com *ic = vap->iv_ic; 136 137 if (sizeof(ic->ic_chan_active) < ireq->i_len) 138 ireq->i_len = sizeof(ic->ic_chan_active); 139 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); 140 } 141 142 static __noinline int 143 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 144 { 145 struct ieee80211com *ic = vap->iv_ic; 146 uint32_t space; 147 148 space = __offsetof(struct ieee80211req_chaninfo, 149 ic_chans[ic->ic_nchans]); 150 if (space > ireq->i_len) 151 space = ireq->i_len; 152 /* XXX assumes compatible layout */ 153 return copyout(&ic->ic_nchans, ireq->i_data, space); 154 } 155 156 static __noinline int 157 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap, 158 struct ieee80211req *ireq, int req) 159 { 160 struct ieee80211_node *ni; 161 struct ieee80211req_wpaie2 wpaie; 162 int error; 163 164 if (ireq->i_len < IEEE80211_ADDR_LEN) 165 return EINVAL; 166 error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN); 167 if (error != 0) 168 return error; 169 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie.wpa_macaddr); 170 if (ni == NULL) 171 return ENOENT; 172 memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie)); 173 if (ni->ni_ies.wpa_ie != NULL) { 174 int ielen = ni->ni_ies.wpa_ie[1] + 2; 175 if (ielen > sizeof(wpaie.wpa_ie)) 176 ielen = sizeof(wpaie.wpa_ie); 177 memcpy(wpaie.wpa_ie, ni->ni_ies.wpa_ie, ielen); 178 } 179 if (req == IEEE80211_IOC_WPAIE2) { 180 memset(wpaie.rsn_ie, 0, sizeof(wpaie.rsn_ie)); 181 if (ni->ni_ies.rsn_ie != NULL) { 182 int ielen = ni->ni_ies.rsn_ie[1] + 2; 183 if (ielen > sizeof(wpaie.rsn_ie)) 184 ielen = sizeof(wpaie.rsn_ie); 185 memcpy(wpaie.rsn_ie, ni->ni_ies.rsn_ie, ielen); 186 } 187 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2)) 188 ireq->i_len = sizeof(struct ieee80211req_wpaie2); 189 } else { 190 /* compatibility op, may overwrite wpa ie */ 191 /* XXX check ic_flags? */ 192 if (ni->ni_ies.rsn_ie != NULL) { 193 int ielen = ni->ni_ies.rsn_ie[1] + 2; 194 if (ielen > sizeof(wpaie.wpa_ie)) 195 ielen = sizeof(wpaie.wpa_ie); 196 memcpy(wpaie.wpa_ie, ni->ni_ies.rsn_ie, ielen); 197 } 198 if (ireq->i_len > sizeof(struct ieee80211req_wpaie)) 199 ireq->i_len = sizeof(struct ieee80211req_wpaie); 200 } 201 ieee80211_free_node(ni); 202 return copyout(&wpaie, ireq->i_data, ireq->i_len); 203 } 204 205 static __noinline int 206 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 207 { 208 struct ieee80211_node *ni; 209 uint8_t macaddr[IEEE80211_ADDR_LEN]; 210 const size_t off = __offsetof(struct ieee80211req_sta_stats, is_stats); 211 int error; 212 213 if (ireq->i_len < off) 214 return EINVAL; 215 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 216 if (error != 0) 217 return error; 218 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 219 if (ni == NULL) 220 return ENOENT; 221 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 222 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 223 /* NB: copy out only the statistics */ 224 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off, 225 ireq->i_len - off); 226 ieee80211_free_node(ni); 227 return error; 228 } 229 230 struct scanreq { 231 struct ieee80211req_scan_result *sr; 232 size_t space; 233 }; 234 235 static size_t 236 scan_space(const struct ieee80211_scan_entry *se, int *ielen) 237 { 238 size_t len; 239 240 *ielen = se->se_ies.len; 241 /* 242 * NB: ie's can be no more than 255 bytes and the max 802.11 243 * packet is <3Kbytes so we are sure this doesn't overflow 244 * 16-bits; if this is a concern we can drop the ie's. 245 */ 246 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + 247 se->se_meshid[1] + *ielen; 248 return roundup(len, sizeof(uint32_t)); 249 } 250 251 static void 252 get_scan_space(void *arg, const struct ieee80211_scan_entry *se) 253 { 254 struct scanreq *req = arg; 255 int ielen; 256 257 req->space += scan_space(se, &ielen); 258 } 259 260 static __noinline void 261 get_scan_result(void *arg, const struct ieee80211_scan_entry *se) 262 { 263 struct scanreq *req = arg; 264 struct ieee80211req_scan_result *sr; 265 int ielen, len, nr, nxr; 266 uint8_t *cp; 267 268 len = scan_space(se, &ielen); 269 if (len > req->space) 270 return; 271 272 sr = req->sr; 273 KASSERT(len <= 65535 && ielen <= 65535, 274 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen)); 275 sr->isr_len = len; 276 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result); 277 sr->isr_ie_len = ielen; 278 sr->isr_freq = se->se_chan->ic_freq; 279 sr->isr_flags = se->se_chan->ic_flags; 280 sr->isr_rssi = se->se_rssi; 281 sr->isr_noise = se->se_noise; 282 sr->isr_intval = se->se_intval; 283 sr->isr_capinfo = se->se_capinfo; 284 sr->isr_erp = se->se_erp; 285 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid); 286 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE); 287 memcpy(sr->isr_rates, se->se_rates+2, nr); 288 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr); 289 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr); 290 sr->isr_nrates = nr + nxr; 291 292 /* copy SSID */ 293 sr->isr_ssid_len = se->se_ssid[1]; 294 cp = ((uint8_t *)sr) + sr->isr_ie_off; 295 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len); 296 297 /* copy mesh id */ 298 cp += sr->isr_ssid_len; 299 sr->isr_meshid_len = se->se_meshid[1]; 300 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len); 301 cp += sr->isr_meshid_len; 302 303 if (ielen) 304 memcpy(cp, se->se_ies.data, ielen); 305 306 req->space -= len; 307 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len); 308 } 309 310 static __noinline int 311 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap, 312 struct ieee80211req *ireq) 313 { 314 struct scanreq req; 315 int error; 316 317 if (ireq->i_len < sizeof(struct scanreq)) 318 return EFAULT; 319 320 error = 0; 321 req.space = 0; 322 ieee80211_scan_iterate(vap, get_scan_space, &req); 323 if (req.space > ireq->i_len) 324 req.space = ireq->i_len; 325 if (req.space > 0) { 326 uint32_t space; 327 void *p; 328 329 space = req.space; 330 /* XXX M_WAITOK after driver lock released */ 331 p = malloc(space, M_TEMP, M_NOWAIT | M_ZERO); 332 if (p == NULL) 333 return ENOMEM; 334 req.sr = p; 335 ieee80211_scan_iterate(vap, get_scan_result, &req); 336 ireq->i_len = space - req.space; 337 error = copyout(p, ireq->i_data, ireq->i_len); 338 free(p, M_TEMP); 339 } else 340 ireq->i_len = 0; 341 342 return error; 343 } 344 345 struct stainforeq { 346 struct ieee80211vap *vap; 347 struct ieee80211req_sta_info *si; 348 size_t space; 349 }; 350 351 static size_t 352 sta_space(const struct ieee80211_node *ni, size_t *ielen) 353 { 354 *ielen = ni->ni_ies.len; 355 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, 356 sizeof(uint32_t)); 357 } 358 359 static void 360 get_sta_space(void *arg, struct ieee80211_node *ni) 361 { 362 struct stainforeq *req = arg; 363 size_t ielen; 364 365 if (req->vap != ni->ni_vap) 366 return; 367 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP && 368 ni->ni_associd == 0) /* only associated stations */ 369 return; 370 req->space += sta_space(ni, &ielen); 371 } 372 373 static __noinline void 374 get_sta_info(void *arg, struct ieee80211_node *ni) 375 { 376 struct stainforeq *req = arg; 377 struct ieee80211vap *vap = ni->ni_vap; 378 struct ieee80211req_sta_info *si; 379 size_t ielen, len; 380 uint8_t *cp; 381 382 if (req->vap != ni->ni_vap) 383 return; 384 if (vap->iv_opmode == IEEE80211_M_HOSTAP && 385 ni->ni_associd == 0) /* only associated stations */ 386 return; 387 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 388 return; 389 len = sta_space(ni, &ielen); 390 if (len > req->space) 391 return; 392 si = req->si; 393 si->isi_len = len; 394 si->isi_ie_off = sizeof(struct ieee80211req_sta_info); 395 si->isi_ie_len = ielen; 396 si->isi_freq = ni->ni_chan->ic_freq; 397 si->isi_flags = ni->ni_chan->ic_flags; 398 si->isi_state = ni->ni_flags; 399 si->isi_authmode = ni->ni_authmode; 400 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise); 401 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo); 402 si->isi_capinfo = ni->ni_capinfo; 403 si->isi_erp = ni->ni_erp; 404 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 405 si->isi_nrates = ni->ni_rates.rs_nrates; 406 if (si->isi_nrates > 15) 407 si->isi_nrates = 15; 408 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 409 si->isi_txrate = ni->ni_txrate; 410 if (si->isi_txrate & IEEE80211_RATE_MCS) { 411 const struct ieee80211_mcs_rates *mcs = 412 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS]; 413 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) { 414 if (ni->ni_flags & IEEE80211_NODE_SGI40) 415 si->isi_txmbps = mcs->ht40_rate_800ns; 416 else 417 si->isi_txmbps = mcs->ht40_rate_400ns; 418 } else { 419 if (ni->ni_flags & IEEE80211_NODE_SGI20) 420 si->isi_txmbps = mcs->ht20_rate_800ns; 421 else 422 si->isi_txmbps = mcs->ht20_rate_400ns; 423 } 424 } else 425 si->isi_txmbps = si->isi_txrate; 426 si->isi_associd = ni->ni_associd; 427 si->isi_txpower = ni->ni_txpower; 428 si->isi_vlan = ni->ni_vlan; 429 if (ni->ni_flags & IEEE80211_NODE_QOS) { 430 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 431 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 432 } else { 433 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID]; 434 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID]; 435 } 436 /* NB: leave all cases in case we relax ni_associd == 0 check */ 437 if (ieee80211_node_is_authorized(ni)) 438 si->isi_inact = vap->iv_inact_run; 439 else if (ni->ni_associd != 0 || 440 (vap->iv_opmode == IEEE80211_M_WDS && 441 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY))) 442 si->isi_inact = vap->iv_inact_auth; 443 else 444 si->isi_inact = vap->iv_inact_init; 445 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 446 si->isi_localid = ni->ni_mllid; 447 si->isi_peerid = ni->ni_mlpid; 448 si->isi_peerstate = ni->ni_mlstate; 449 450 if (ielen) { 451 cp = ((uint8_t *)si) + si->isi_ie_off; 452 memcpy(cp, ni->ni_ies.data, ielen); 453 } 454 455 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len); 456 req->space -= len; 457 } 458 459 static __noinline int 460 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq, 461 struct ieee80211_node *ni, size_t off) 462 { 463 struct ieee80211com *ic = vap->iv_ic; 464 struct stainforeq req; 465 size_t space; 466 void *p; 467 int error; 468 469 error = 0; 470 req.space = 0; 471 req.vap = vap; 472 if (ni == NULL) 473 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req); 474 else 475 get_sta_space(&req, ni); 476 if (req.space > ireq->i_len) 477 req.space = ireq->i_len; 478 if (req.space > 0) { 479 space = req.space; 480 /* XXX M_WAITOK after driver lock released */ 481 p = malloc(space, M_TEMP, M_NOWAIT | M_ZERO); 482 if (p == NULL) { 483 error = ENOMEM; 484 goto bad; 485 } 486 req.si = p; 487 if (ni == NULL) 488 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req); 489 else 490 get_sta_info(&req, ni); 491 ireq->i_len = space - req.space; 492 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len); 493 free(p, M_TEMP); 494 } else 495 ireq->i_len = 0; 496 bad: 497 if (ni != NULL) 498 ieee80211_free_node(ni); 499 return error; 500 } 501 502 static __noinline int 503 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 504 { 505 uint8_t macaddr[IEEE80211_ADDR_LEN]; 506 const size_t off = __offsetof(struct ieee80211req_sta_req, info); 507 struct ieee80211_node *ni; 508 int error; 509 510 if (ireq->i_len < sizeof(struct ieee80211req_sta_req)) 511 return EFAULT; 512 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 513 if (error != 0) 514 return error; 515 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) { 516 ni = NULL; 517 } else { 518 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 519 if (ni == NULL) 520 return ENOENT; 521 } 522 return getstainfo_common(vap, ireq, ni, off); 523 } 524 525 static __noinline int 526 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 527 { 528 struct ieee80211_node *ni; 529 struct ieee80211req_sta_txpow txpow; 530 int error; 531 532 if (ireq->i_len != sizeof(txpow)) 533 return EINVAL; 534 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 535 if (error != 0) 536 return error; 537 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 538 if (ni == NULL) 539 return ENOENT; 540 txpow.it_txpow = ni->ni_txpower; 541 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 542 ieee80211_free_node(ni); 543 return error; 544 } 545 546 static __noinline int 547 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 548 { 549 struct ieee80211com *ic = vap->iv_ic; 550 struct ieee80211_wme_state *wme = &ic->ic_wme; 551 struct wmeParams *wmep; 552 int ac; 553 554 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 555 return EINVAL; 556 557 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 558 if (ac >= WME_NUM_AC) 559 ac = WME_AC_BE; 560 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 561 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 562 else 563 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 564 switch (ireq->i_type) { 565 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 566 ireq->i_val = wmep->wmep_logcwmin; 567 break; 568 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 569 ireq->i_val = wmep->wmep_logcwmax; 570 break; 571 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 572 ireq->i_val = wmep->wmep_aifsn; 573 break; 574 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 575 ireq->i_val = wmep->wmep_txopLimit; 576 break; 577 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 578 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 579 ireq->i_val = wmep->wmep_acm; 580 break; 581 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 582 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 583 ireq->i_val = !wmep->wmep_noackPolicy; 584 break; 585 } 586 return 0; 587 } 588 589 static __noinline int 590 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 591 { 592 const struct ieee80211_aclator *acl = vap->iv_acl; 593 594 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq)); 595 } 596 597 static __noinline int 598 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq) 599 { 600 struct ieee80211com *ic = vap->iv_ic; 601 struct ieee80211_channel *c; 602 603 if (ireq->i_len != sizeof(struct ieee80211_channel)) 604 return EINVAL; 605 /* 606 * vap's may have different operating channels when HT is 607 * in use. When in RUN state report the vap-specific channel. 608 * Otherwise return curchan. 609 */ 610 if (vap->iv_state == IEEE80211_S_RUN) 611 c = vap->iv_bss->ni_chan; 612 else 613 c = ic->ic_curchan; 614 return copyout(c, ireq->i_data, sizeof(*c)); 615 } 616 617 static int 618 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq) 619 { 620 if (aie == NULL) 621 return EINVAL; 622 /* NB: truncate, caller can check length */ 623 if (ireq->i_len > aie->ie_len) 624 ireq->i_len = aie->ie_len; 625 return copyout(aie->ie_data, ireq->i_data, ireq->i_len); 626 } 627 628 static int 629 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq) 630 { 631 uint8_t fc0; 632 633 fc0 = ireq->i_val & 0xff; 634 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 635 return EINVAL; 636 /* NB: could check iv_opmode and reject but hardly worth the effort */ 637 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 638 case IEEE80211_FC0_SUBTYPE_BEACON: 639 return getappie(vap->iv_appie_beacon, ireq); 640 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 641 return getappie(vap->iv_appie_proberesp, ireq); 642 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 643 return getappie(vap->iv_appie_assocresp, ireq); 644 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 645 return getappie(vap->iv_appie_probereq, ireq); 646 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 647 return getappie(vap->iv_appie_assocreq, ireq); 648 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP: 649 return getappie(vap->iv_appie_wpa, ireq); 650 } 651 return EINVAL; 652 } 653 654 static __noinline int 655 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap, 656 const struct ieee80211req *ireq) 657 { 658 struct ieee80211com *ic = vap->iv_ic; 659 660 if (ireq->i_len != sizeof(ic->ic_regdomain)) 661 return EINVAL; 662 return copyout(&ic->ic_regdomain, ireq->i_data, 663 sizeof(ic->ic_regdomain)); 664 } 665 666 static __noinline int 667 ieee80211_ioctl_getroam(struct ieee80211vap *vap, 668 const struct ieee80211req *ireq) 669 { 670 size_t len = ireq->i_len; 671 /* NB: accept short requests for backwards compat */ 672 if (len > sizeof(vap->iv_roamparms)) 673 len = sizeof(vap->iv_roamparms); 674 return copyout(vap->iv_roamparms, ireq->i_data, len); 675 } 676 677 static __noinline int 678 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap, 679 const struct ieee80211req *ireq) 680 { 681 size_t len = ireq->i_len; 682 /* NB: accept short requests for backwards compat */ 683 if (len > sizeof(vap->iv_txparms)) 684 len = sizeof(vap->iv_txparms); 685 return copyout(vap->iv_txparms, ireq->i_data, len); 686 } 687 688 static __noinline int 689 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic, 690 const struct ieee80211req *ireq) 691 { 692 struct ieee80211_devcaps_req *dc; 693 struct ieee80211req_chaninfo *ci; 694 int maxchans, error; 695 696 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) / 697 sizeof(struct ieee80211_channel)); 698 /* NB: require 1 so we know ic_nchans is accessible */ 699 if (maxchans < 1) 700 return EINVAL; 701 /* constrain max request size, 2K channels is ~24Kbytes */ 702 if (maxchans > 2048) 703 maxchans = 2048; 704 dc = (struct ieee80211_devcaps_req *) 705 malloc(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, M_NOWAIT | M_ZERO); 706 if (dc == NULL) 707 return ENOMEM; 708 dc->dc_drivercaps = ic->ic_caps; 709 dc->dc_cryptocaps = ic->ic_cryptocaps; 710 dc->dc_htcaps = ic->ic_htcaps; 711 ci = &dc->dc_chaninfo; 712 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans); 713 KASSERT(ci->ic_nchans <= maxchans, 714 ("nchans %d maxchans %d", ci->ic_nchans, maxchans)); 715 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans); 716 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc)); 717 free(dc, M_TEMP); 718 return error; 719 } 720 721 static __noinline int 722 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 723 { 724 struct ieee80211_node *ni; 725 struct ieee80211req_sta_vlan vlan; 726 int error; 727 728 if (ireq->i_len != sizeof(vlan)) 729 return EINVAL; 730 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 731 if (error != 0) 732 return error; 733 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 734 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 735 vlan.sv_macaddr); 736 if (ni == NULL) 737 return ENOENT; 738 } else 739 ni = ieee80211_ref_node(vap->iv_bss); 740 vlan.sv_vlan = ni->ni_vlan; 741 error = copyout(&vlan, ireq->i_data, sizeof(vlan)); 742 ieee80211_free_node(ni); 743 return error; 744 } 745 746 /* 747 * Dummy ioctl get handler so the linker set is defined. 748 */ 749 static int 750 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq) 751 { 752 return ENOSYS; 753 } 754 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get); 755 756 static int 757 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 758 { 759 ieee80211_ioctl_getfunc * const *get; 760 int error; 761 762 SET_FOREACH(get, ieee80211_ioctl_getset) { 763 error = (*get)(vap, ireq); 764 if (error != ENOSYS) 765 return error; 766 } 767 return EINVAL; 768 } 769 770 /* 771 * When building the kernel with -O2 on the i386 architecture, gcc 772 * seems to want to inline this function into ieee80211_ioctl() 773 * (which is the only routine that calls it). When this happens, 774 * ieee80211_ioctl() ends up consuming an additional 2K of stack 775 * space. (Exactly why it needs so much is unclear.) The problem 776 * is that it's possible for ieee80211_ioctl() to invoke other 777 * routines (including driver init functions) which could then find 778 * themselves perilously close to exhausting the stack. 779 * 780 * To avoid this, we deliberately prevent gcc from inlining this 781 * routine. Another way to avoid this is to use less agressive 782 * optimization when compiling this file (i.e. -O instead of -O2) 783 * but special-casing the compilation of this one module in the 784 * build system would be awkward. 785 */ 786 static __noinline int 787 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd, 788 struct ieee80211req *ireq) 789 { 790 #define MS(_v, _f) (((_v) & _f) >> _f##_S) 791 struct ieee80211com *ic = vap->iv_ic; 792 u_int kid, len; 793 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 794 char tmpssid[IEEE80211_NWID_LEN]; 795 int error = 0; 796 797 switch (ireq->i_type) { 798 case IEEE80211_IOC_SSID: 799 switch (vap->iv_state) { 800 case IEEE80211_S_INIT: 801 case IEEE80211_S_SCAN: 802 ireq->i_len = vap->iv_des_ssid[0].len; 803 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); 804 break; 805 default: 806 ireq->i_len = vap->iv_bss->ni_esslen; 807 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); 808 break; 809 } 810 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 811 break; 812 case IEEE80211_IOC_NUMSSIDS: 813 ireq->i_val = 1; 814 break; 815 case IEEE80211_IOC_WEP: 816 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 817 ireq->i_val = IEEE80211_WEP_OFF; 818 else if (vap->iv_flags & IEEE80211_F_DROPUNENC) 819 ireq->i_val = IEEE80211_WEP_ON; 820 else 821 ireq->i_val = IEEE80211_WEP_MIXED; 822 break; 823 case IEEE80211_IOC_WEPKEY: 824 kid = (u_int) ireq->i_val; 825 if (kid >= IEEE80211_WEP_NKID) 826 return EINVAL; 827 len = (u_int) vap->iv_nw_keys[kid].wk_keylen; 828 /* NB: only root can read WEP keys */ 829 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 830 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); 831 } else { 832 bzero(tmpkey, len); 833 } 834 ireq->i_len = len; 835 error = copyout(tmpkey, ireq->i_data, len); 836 break; 837 case IEEE80211_IOC_NUMWEPKEYS: 838 ireq->i_val = IEEE80211_WEP_NKID; 839 break; 840 case IEEE80211_IOC_WEPTXKEY: 841 ireq->i_val = vap->iv_def_txkey; 842 break; 843 case IEEE80211_IOC_AUTHMODE: 844 if (vap->iv_flags & IEEE80211_F_WPA) 845 ireq->i_val = IEEE80211_AUTH_WPA; 846 else 847 ireq->i_val = vap->iv_bss->ni_authmode; 848 break; 849 case IEEE80211_IOC_CHANNEL: 850 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 851 break; 852 case IEEE80211_IOC_POWERSAVE: 853 if (vap->iv_flags & IEEE80211_F_PMGTON) 854 ireq->i_val = IEEE80211_POWERSAVE_ON; 855 else 856 ireq->i_val = IEEE80211_POWERSAVE_OFF; 857 break; 858 case IEEE80211_IOC_POWERSAVESLEEP: 859 ireq->i_val = ic->ic_lintval; 860 break; 861 case IEEE80211_IOC_RTSTHRESHOLD: 862 ireq->i_val = vap->iv_rtsthreshold; 863 break; 864 case IEEE80211_IOC_PROTMODE: 865 ireq->i_val = ic->ic_protmode; 866 break; 867 case IEEE80211_IOC_TXPOWER: 868 /* 869 * Tx power limit is the min of max regulatory 870 * power, any user-set limit, and the max the 871 * radio can do. 872 */ 873 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; 874 if (ireq->i_val > ic->ic_txpowlimit) 875 ireq->i_val = ic->ic_txpowlimit; 876 if (ireq->i_val > ic->ic_curchan->ic_maxpower) 877 ireq->i_val = ic->ic_curchan->ic_maxpower; 878 break; 879 case IEEE80211_IOC_WPA: 880 switch (vap->iv_flags & IEEE80211_F_WPA) { 881 case IEEE80211_F_WPA1: 882 ireq->i_val = 1; 883 break; 884 case IEEE80211_F_WPA2: 885 ireq->i_val = 2; 886 break; 887 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 888 ireq->i_val = 3; 889 break; 890 default: 891 ireq->i_val = 0; 892 break; 893 } 894 break; 895 case IEEE80211_IOC_CHANLIST: 896 error = ieee80211_ioctl_getchanlist(vap, ireq); 897 break; 898 case IEEE80211_IOC_ROAMING: 899 ireq->i_val = vap->iv_roaming; 900 break; 901 case IEEE80211_IOC_PRIVACY: 902 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; 903 break; 904 case IEEE80211_IOC_DROPUNENCRYPTED: 905 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; 906 break; 907 case IEEE80211_IOC_COUNTERMEASURES: 908 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; 909 break; 910 case IEEE80211_IOC_WME: 911 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; 912 break; 913 case IEEE80211_IOC_HIDESSID: 914 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; 915 break; 916 case IEEE80211_IOC_APBRIDGE: 917 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; 918 break; 919 case IEEE80211_IOC_WPAKEY: 920 error = ieee80211_ioctl_getkey(vap, ireq); 921 break; 922 case IEEE80211_IOC_CHANINFO: 923 error = ieee80211_ioctl_getchaninfo(vap, ireq); 924 break; 925 case IEEE80211_IOC_BSSID: 926 if (ireq->i_len != IEEE80211_ADDR_LEN) 927 return EINVAL; 928 if (vap->iv_state == IEEE80211_S_RUN) { 929 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ? 930 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid, 931 ireq->i_data, ireq->i_len); 932 } else 933 error = copyout(vap->iv_des_bssid, ireq->i_data, 934 ireq->i_len); 935 break; 936 case IEEE80211_IOC_WPAIE: 937 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 938 break; 939 case IEEE80211_IOC_WPAIE2: 940 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 941 break; 942 case IEEE80211_IOC_SCAN_RESULTS: 943 error = ieee80211_ioctl_getscanresults(vap, ireq); 944 break; 945 case IEEE80211_IOC_STA_STATS: 946 error = ieee80211_ioctl_getstastats(vap, ireq); 947 break; 948 case IEEE80211_IOC_TXPOWMAX: 949 ireq->i_val = vap->iv_bss->ni_txpower; 950 break; 951 case IEEE80211_IOC_STA_TXPOW: 952 error = ieee80211_ioctl_getstatxpow(vap, ireq); 953 break; 954 case IEEE80211_IOC_STA_INFO: 955 error = ieee80211_ioctl_getstainfo(vap, ireq); 956 break; 957 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 958 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 959 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 960 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 961 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 962 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 963 error = ieee80211_ioctl_getwmeparam(vap, ireq); 964 break; 965 case IEEE80211_IOC_DTIM_PERIOD: 966 ireq->i_val = vap->iv_dtim_period; 967 break; 968 case IEEE80211_IOC_BEACON_INTERVAL: 969 /* NB: get from ic_bss for station mode */ 970 ireq->i_val = vap->iv_bss->ni_intval; 971 break; 972 case IEEE80211_IOC_PUREG: 973 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; 974 break; 975 case IEEE80211_IOC_QUIET: 976 ireq->i_val = vap->iv_quiet; 977 break; 978 case IEEE80211_IOC_QUIET_COUNT: 979 ireq->i_val = vap->iv_quiet_count; 980 break; 981 case IEEE80211_IOC_QUIET_PERIOD: 982 ireq->i_val = vap->iv_quiet_period; 983 break; 984 case IEEE80211_IOC_QUIET_DUR: 985 ireq->i_val = vap->iv_quiet_duration; 986 break; 987 case IEEE80211_IOC_QUIET_OFFSET: 988 ireq->i_val = vap->iv_quiet_offset; 989 break; 990 case IEEE80211_IOC_BGSCAN: 991 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 992 break; 993 case IEEE80211_IOC_BGSCAN_IDLE: 994 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 995 break; 996 case IEEE80211_IOC_BGSCAN_INTERVAL: 997 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 998 break; 999 case IEEE80211_IOC_SCANVALID: 1000 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 1001 break; 1002 case IEEE80211_IOC_FRAGTHRESHOLD: 1003 ireq->i_val = vap->iv_fragthreshold; 1004 break; 1005 case IEEE80211_IOC_MACCMD: 1006 error = ieee80211_ioctl_getmaccmd(vap, ireq); 1007 break; 1008 case IEEE80211_IOC_BURST: 1009 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 1010 break; 1011 case IEEE80211_IOC_BMISSTHRESHOLD: 1012 ireq->i_val = vap->iv_bmissthreshold; 1013 break; 1014 case IEEE80211_IOC_CURCHAN: 1015 error = ieee80211_ioctl_getcurchan(vap, ireq); 1016 break; 1017 case IEEE80211_IOC_SHORTGI: 1018 ireq->i_val = 0; 1019 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) 1020 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 1021 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) 1022 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 1023 break; 1024 case IEEE80211_IOC_AMPDU: 1025 ireq->i_val = 0; 1026 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) 1027 ireq->i_val |= 1; 1028 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) 1029 ireq->i_val |= 2; 1030 break; 1031 case IEEE80211_IOC_AMPDU_LIMIT: 1032 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1033 ireq->i_val = vap->iv_ampdu_rxmax; 1034 else if (vap->iv_state == IEEE80211_S_RUN) 1035 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1036 IEEE80211_HTCAP_MAXRXAMPDU); 1037 else 1038 ireq->i_val = vap->iv_ampdu_limit; 1039 break; 1040 case IEEE80211_IOC_AMPDU_DENSITY: 1041 if (vap->iv_opmode == IEEE80211_M_STA && 1042 vap->iv_state == IEEE80211_S_RUN) 1043 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1044 IEEE80211_HTCAP_MPDUDENSITY); 1045 else 1046 ireq->i_val = vap->iv_ampdu_density; 1047 break; 1048 case IEEE80211_IOC_AMSDU: 1049 ireq->i_val = 0; 1050 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) 1051 ireq->i_val |= 1; 1052 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) 1053 ireq->i_val |= 2; 1054 break; 1055 case IEEE80211_IOC_AMSDU_LIMIT: 1056 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1057 break; 1058 case IEEE80211_IOC_PUREN: 1059 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; 1060 break; 1061 case IEEE80211_IOC_DOTH: 1062 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1063 break; 1064 case IEEE80211_IOC_REGDOMAIN: 1065 error = ieee80211_ioctl_getregdomain(vap, ireq); 1066 break; 1067 case IEEE80211_IOC_ROAM: 1068 error = ieee80211_ioctl_getroam(vap, ireq); 1069 break; 1070 case IEEE80211_IOC_TXPARAMS: 1071 error = ieee80211_ioctl_gettxparams(vap, ireq); 1072 break; 1073 case IEEE80211_IOC_HTCOMPAT: 1074 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; 1075 break; 1076 case IEEE80211_IOC_DWDS: 1077 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1078 break; 1079 case IEEE80211_IOC_INACTIVITY: 1080 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1081 break; 1082 case IEEE80211_IOC_APPIE: 1083 error = ieee80211_ioctl_getappie(vap, ireq); 1084 break; 1085 case IEEE80211_IOC_WPS: 1086 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1087 break; 1088 case IEEE80211_IOC_TSN: 1089 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1090 break; 1091 case IEEE80211_IOC_DFS: 1092 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1093 break; 1094 case IEEE80211_IOC_DOTD: 1095 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1096 break; 1097 case IEEE80211_IOC_DEVCAPS: 1098 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1099 break; 1100 case IEEE80211_IOC_HTPROTMODE: 1101 ireq->i_val = ic->ic_htprotmode; 1102 break; 1103 case IEEE80211_IOC_HTCONF: 1104 if (vap->iv_flags_ht & IEEE80211_FHT_HT) { 1105 ireq->i_val = 1; 1106 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) 1107 ireq->i_val |= 2; 1108 } else 1109 ireq->i_val = 0; 1110 break; 1111 case IEEE80211_IOC_STA_VLAN: 1112 error = ieee80211_ioctl_getstavlan(vap, ireq); 1113 break; 1114 case IEEE80211_IOC_SMPS: 1115 if (vap->iv_opmode == IEEE80211_M_STA && 1116 vap->iv_state == IEEE80211_S_RUN) { 1117 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1118 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1119 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1120 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1121 else 1122 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1123 } else 1124 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1125 break; 1126 case IEEE80211_IOC_RIFS: 1127 if (vap->iv_opmode == IEEE80211_M_STA && 1128 vap->iv_state == IEEE80211_S_RUN) 1129 ireq->i_val = 1130 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1131 else 1132 ireq->i_val = 1133 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; 1134 break; 1135 default: 1136 error = ieee80211_ioctl_getdefault(vap, ireq); 1137 break; 1138 } 1139 return error; 1140 #undef MS 1141 } 1142 1143 static __noinline int 1144 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1145 { 1146 struct ieee80211req_key ik; 1147 struct ieee80211_node *ni; 1148 struct ieee80211_key *wk; 1149 uint16_t kid; 1150 int error, i; 1151 1152 if (ireq->i_len != sizeof(ik)) 1153 return EINVAL; 1154 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1155 if (error) 1156 return error; 1157 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1158 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1159 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1160 return E2BIG; 1161 kid = ik.ik_keyix; 1162 if (kid == IEEE80211_KEYIX_NONE) { 1163 /* XXX unicast keys currently must be tx/rx */ 1164 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1165 return EINVAL; 1166 if (vap->iv_opmode == IEEE80211_M_STA) { 1167 ni = ieee80211_ref_node(vap->iv_bss); 1168 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1169 ieee80211_free_node(ni); 1170 return EADDRNOTAVAIL; 1171 } 1172 } else { 1173 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1174 ik.ik_macaddr); 1175 if (ni == NULL) 1176 return ENOENT; 1177 } 1178 wk = &ni->ni_ucastkey; 1179 } else { 1180 if (kid >= IEEE80211_WEP_NKID) 1181 return EINVAL; 1182 wk = &vap->iv_nw_keys[kid]; 1183 /* 1184 * Global slots start off w/o any assigned key index. 1185 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1186 */ 1187 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1188 wk->wk_keyix = kid; 1189 ni = NULL; 1190 } 1191 error = 0; 1192 ieee80211_key_update_begin(vap); 1193 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1194 wk->wk_keylen = ik.ik_keylen; 1195 /* NB: MIC presence is implied by cipher type */ 1196 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1197 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1198 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1199 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1200 wk->wk_keytsc = 0; /* new key, reset */ 1201 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1202 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1203 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1204 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1205 if (!ieee80211_crypto_setkey(vap, wk)) 1206 error = EIO; 1207 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1208 vap->iv_def_txkey = kid; 1209 } else 1210 error = ENXIO; 1211 ieee80211_key_update_end(vap); 1212 if (ni != NULL) 1213 ieee80211_free_node(ni); 1214 return error; 1215 } 1216 1217 static __noinline int 1218 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1219 { 1220 struct ieee80211req_del_key dk; 1221 int kid, error; 1222 1223 if (ireq->i_len != sizeof(dk)) 1224 return EINVAL; 1225 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1226 if (error) 1227 return error; 1228 kid = dk.idk_keyix; 1229 /* XXX uint8_t -> uint16_t */ 1230 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1231 struct ieee80211_node *ni; 1232 1233 if (vap->iv_opmode == IEEE80211_M_STA) { 1234 ni = ieee80211_ref_node(vap->iv_bss); 1235 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1236 ieee80211_free_node(ni); 1237 return EADDRNOTAVAIL; 1238 } 1239 } else { 1240 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1241 dk.idk_macaddr); 1242 if (ni == NULL) 1243 return ENOENT; 1244 } 1245 /* XXX error return */ 1246 ieee80211_node_delucastkey(ni); 1247 ieee80211_free_node(ni); 1248 } else { 1249 if (kid >= IEEE80211_WEP_NKID) 1250 return EINVAL; 1251 /* XXX error return */ 1252 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1253 } 1254 return 0; 1255 } 1256 1257 struct mlmeop { 1258 struct ieee80211vap *vap; 1259 int op; 1260 int reason; 1261 }; 1262 1263 static void 1264 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1265 int op, int reason) 1266 { 1267 #ifdef IEEE80211_DEBUG 1268 static const struct { 1269 int mask; 1270 const char *opstr; 1271 } ops[] = { 1272 { 0, "op#0" }, 1273 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1274 IEEE80211_MSG_ASSOC, "assoc" }, 1275 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1276 IEEE80211_MSG_ASSOC, "disassoc" }, 1277 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1278 IEEE80211_MSG_AUTH, "deauth" }, 1279 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1280 IEEE80211_MSG_AUTH, "authorize" }, 1281 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1282 IEEE80211_MSG_AUTH, "unauthorize" }, 1283 }; 1284 1285 if (op == IEEE80211_MLME_AUTH) { 1286 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1287 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1288 "station authenticate %s via MLME (reason %d)", 1289 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1290 reason); 1291 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1292 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1293 "unknown MLME request %d (reason %d)", op, reason); 1294 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1295 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1296 "station %s via MLME", ops[op].opstr); 1297 } else { 1298 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1299 "station %s via MLME (reason %d)", ops[op].opstr, reason); 1300 } 1301 #endif /* IEEE80211_DEBUG */ 1302 } 1303 1304 static void 1305 domlme(void *arg, struct ieee80211_node *ni) 1306 { 1307 struct mlmeop *mop = arg; 1308 struct ieee80211vap *vap = ni->ni_vap; 1309 1310 if (vap != mop->vap) 1311 return; 1312 /* 1313 * NB: if ni_associd is zero then the node is already cleaned 1314 * up and we don't need to do this (we're safely holding a 1315 * reference but should otherwise not modify it's state). 1316 */ 1317 if (ni->ni_associd == 0) 1318 return; 1319 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1320 if (mop->op == IEEE80211_MLME_DEAUTH) { 1321 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1322 mop->reason); 1323 } else { 1324 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1325 mop->reason); 1326 } 1327 ieee80211_node_leave(ni); 1328 } 1329 1330 static int 1331 setmlme_dropsta(struct ieee80211vap *vap, 1332 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1333 { 1334 struct ieee80211com *ic = vap->iv_ic; 1335 struct ieee80211_node_table *nt = &ic->ic_sta; 1336 struct ieee80211_node *ni; 1337 int error = 0; 1338 1339 /* NB: the broadcast address means do 'em all */ 1340 if (!IEEE80211_ADDR_EQ(mac, ic->ic_ifp->if_broadcastaddr)) { 1341 IEEE80211_NODE_LOCK(nt); 1342 ni = ieee80211_find_node_locked(nt, mac); 1343 IEEE80211_NODE_UNLOCK(nt); 1344 /* 1345 * Don't do the node update inside the node 1346 * table lock. This unfortunately causes LORs 1347 * with drivers and their TX paths. 1348 */ 1349 if (ni != NULL) { 1350 domlme(mlmeop, ni); 1351 ieee80211_free_node(ni); 1352 } else 1353 error = ENOENT; 1354 } else { 1355 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1356 } 1357 return error; 1358 } 1359 1360 static __noinline int 1361 setmlme_common(struct ieee80211vap *vap, int op, 1362 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1363 { 1364 struct ieee80211com *ic = vap->iv_ic; 1365 struct ieee80211_node_table *nt = &ic->ic_sta; 1366 struct ieee80211_node *ni; 1367 struct mlmeop mlmeop; 1368 int error; 1369 1370 error = 0; 1371 switch (op) { 1372 case IEEE80211_MLME_DISASSOC: 1373 case IEEE80211_MLME_DEAUTH: 1374 switch (vap->iv_opmode) { 1375 case IEEE80211_M_STA: 1376 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1377 /* XXX not quite right */ 1378 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1379 break; 1380 case IEEE80211_M_HOSTAP: 1381 mlmeop.vap = vap; 1382 mlmeop.op = op; 1383 mlmeop.reason = reason; 1384 error = setmlme_dropsta(vap, mac, &mlmeop); 1385 break; 1386 case IEEE80211_M_WDS: 1387 /* XXX user app should send raw frame? */ 1388 if (op != IEEE80211_MLME_DEAUTH) { 1389 error = EINVAL; 1390 break; 1391 } 1392 #if 0 1393 /* XXX accept any address, simplifies user code */ 1394 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1395 error = EINVAL; 1396 break; 1397 } 1398 #endif 1399 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1400 ni = ieee80211_ref_node(vap->iv_bss); 1401 IEEE80211_SEND_MGMT(ni, 1402 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1403 ieee80211_free_node(ni); 1404 break; 1405 case IEEE80211_M_MBSS: 1406 IEEE80211_NODE_LOCK(nt); 1407 ni = ieee80211_find_node_locked(nt, mac); 1408 /* 1409 * Don't do the node update inside the node 1410 * table lock. This unfortunately causes LORs 1411 * with drivers and their TX paths. 1412 */ 1413 IEEE80211_NODE_UNLOCK(nt); 1414 if (ni != NULL) { 1415 ieee80211_node_leave(ni); 1416 ieee80211_free_node(ni); 1417 } else { 1418 error = ENOENT; 1419 } 1420 break; 1421 default: 1422 error = EINVAL; 1423 break; 1424 } 1425 break; 1426 case IEEE80211_MLME_AUTHORIZE: 1427 case IEEE80211_MLME_UNAUTHORIZE: 1428 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1429 vap->iv_opmode != IEEE80211_M_WDS) { 1430 error = EINVAL; 1431 break; 1432 } 1433 IEEE80211_NODE_LOCK(nt); 1434 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1435 /* 1436 * Don't do the node update inside the node 1437 * table lock. This unfortunately causes LORs 1438 * with drivers and their TX paths. 1439 */ 1440 IEEE80211_NODE_UNLOCK(nt); 1441 if (ni != NULL) { 1442 mlmedebug(vap, mac, op, reason); 1443 if (op == IEEE80211_MLME_AUTHORIZE) 1444 ieee80211_node_authorize(ni); 1445 else 1446 ieee80211_node_unauthorize(ni); 1447 ieee80211_free_node(ni); 1448 } else 1449 error = ENOENT; 1450 break; 1451 case IEEE80211_MLME_AUTH: 1452 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1453 error = EINVAL; 1454 break; 1455 } 1456 IEEE80211_NODE_LOCK(nt); 1457 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1458 /* 1459 * Don't do the node update inside the node 1460 * table lock. This unfortunately causes LORs 1461 * with drivers and their TX paths. 1462 */ 1463 IEEE80211_NODE_UNLOCK(nt); 1464 if (ni != NULL) { 1465 mlmedebug(vap, mac, op, reason); 1466 if (reason == IEEE80211_STATUS_SUCCESS) { 1467 IEEE80211_SEND_MGMT(ni, 1468 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1469 /* 1470 * For shared key auth, just continue the 1471 * exchange. Otherwise when 802.1x is not in 1472 * use mark the port authorized at this point 1473 * so traffic can flow. 1474 */ 1475 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1476 ni->ni_challenge == NULL) 1477 ieee80211_node_authorize(ni); 1478 } else { 1479 vap->iv_stats.is_rx_acl++; 1480 ieee80211_send_error(ni, ni->ni_macaddr, 1481 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1482 ieee80211_node_leave(ni); 1483 } 1484 ieee80211_free_node(ni); 1485 } else 1486 error = ENOENT; 1487 break; 1488 default: 1489 error = EINVAL; 1490 break; 1491 } 1492 return error; 1493 } 1494 1495 struct scanlookup { 1496 const uint8_t *mac; 1497 int esslen; 1498 const uint8_t *essid; 1499 const struct ieee80211_scan_entry *se; 1500 }; 1501 1502 /* 1503 * Match mac address and any ssid. 1504 */ 1505 static void 1506 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1507 { 1508 struct scanlookup *look = arg; 1509 1510 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1511 return; 1512 if (look->esslen != 0) { 1513 if (se->se_ssid[1] != look->esslen) 1514 return; 1515 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1516 return; 1517 } 1518 look->se = se; 1519 } 1520 1521 static __noinline int 1522 setmlme_assoc_sta(struct ieee80211vap *vap, 1523 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1524 const uint8_t ssid[IEEE80211_NWID_LEN]) 1525 { 1526 struct scanlookup lookup; 1527 1528 KASSERT(vap->iv_opmode == IEEE80211_M_STA, 1529 ("expected opmode STA not %s", 1530 ieee80211_opmode_name[vap->iv_opmode])); 1531 1532 /* NB: this is racey if roaming is !manual */ 1533 lookup.se = NULL; 1534 lookup.mac = mac; 1535 lookup.esslen = ssid_len; 1536 lookup.essid = ssid; 1537 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1538 if (lookup.se == NULL) 1539 return ENOENT; 1540 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1541 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1542 return EIO; /* XXX unique but could be better */ 1543 return 0; 1544 } 1545 1546 static __noinline int 1547 setmlme_assoc_adhoc(struct ieee80211vap *vap, 1548 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1549 const uint8_t ssid[IEEE80211_NWID_LEN]) 1550 { 1551 struct ieee80211_scan_req sr; 1552 1553 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS || 1554 vap->iv_opmode == IEEE80211_M_AHDEMO, 1555 ("expected opmode IBSS or AHDEMO not %s", 1556 ieee80211_opmode_name[vap->iv_opmode])); 1557 1558 if (ssid_len == 0) 1559 return EINVAL; 1560 1561 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */ 1562 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 1563 vap->iv_des_ssid[0].len = ssid_len; 1564 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len); 1565 vap->iv_des_nssid = 1; 1566 1567 memset(&sr, 0, sizeof(sr)); 1568 sr.sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE; 1569 sr.sr_duration = IEEE80211_IOC_SCAN_FOREVER; 1570 memcpy(sr.sr_ssid[0].ssid, ssid, ssid_len); 1571 sr.sr_ssid[0].len = ssid_len; 1572 sr.sr_nssid = 1; 1573 1574 return ieee80211_scanreq(vap, &sr); 1575 } 1576 1577 static __noinline int 1578 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1579 { 1580 struct ieee80211req_mlme mlme; 1581 int error; 1582 1583 if (ireq->i_len != sizeof(mlme)) 1584 return EINVAL; 1585 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1586 if (error) 1587 return error; 1588 if (vap->iv_opmode == IEEE80211_M_STA && 1589 mlme.im_op == IEEE80211_MLME_ASSOC) 1590 return setmlme_assoc_sta(vap, mlme.im_macaddr, 1591 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1592 else if ((vap->iv_opmode == IEEE80211_M_IBSS || 1593 vap->iv_opmode == IEEE80211_M_AHDEMO) && 1594 mlme.im_op == IEEE80211_MLME_ASSOC) 1595 return setmlme_assoc_adhoc(vap, mlme.im_macaddr, 1596 mlme.im_ssid_len, mlme.im_ssid); 1597 else 1598 return setmlme_common(vap, mlme.im_op, 1599 mlme.im_macaddr, mlme.im_reason); 1600 } 1601 1602 static __noinline int 1603 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1604 { 1605 uint8_t mac[IEEE80211_ADDR_LEN]; 1606 const struct ieee80211_aclator *acl = vap->iv_acl; 1607 int error; 1608 1609 if (ireq->i_len != sizeof(mac)) 1610 return EINVAL; 1611 error = copyin(ireq->i_data, mac, ireq->i_len); 1612 if (error) 1613 return error; 1614 if (acl == NULL) { 1615 acl = ieee80211_aclator_get("mac"); 1616 if (acl == NULL || !acl->iac_attach(vap)) 1617 return EINVAL; 1618 vap->iv_acl = acl; 1619 } 1620 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1621 acl->iac_add(vap, mac); 1622 else 1623 acl->iac_remove(vap, mac); 1624 return 0; 1625 } 1626 1627 static __noinline int 1628 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1629 { 1630 const struct ieee80211_aclator *acl = vap->iv_acl; 1631 1632 switch (ireq->i_val) { 1633 case IEEE80211_MACCMD_POLICY_OPEN: 1634 case IEEE80211_MACCMD_POLICY_ALLOW: 1635 case IEEE80211_MACCMD_POLICY_DENY: 1636 case IEEE80211_MACCMD_POLICY_RADIUS: 1637 if (acl == NULL) { 1638 acl = ieee80211_aclator_get("mac"); 1639 if (acl == NULL || !acl->iac_attach(vap)) 1640 return EINVAL; 1641 vap->iv_acl = acl; 1642 } 1643 acl->iac_setpolicy(vap, ireq->i_val); 1644 break; 1645 case IEEE80211_MACCMD_FLUSH: 1646 if (acl != NULL) 1647 acl->iac_flush(vap); 1648 /* NB: silently ignore when not in use */ 1649 break; 1650 case IEEE80211_MACCMD_DETACH: 1651 if (acl != NULL) { 1652 vap->iv_acl = NULL; 1653 acl->iac_detach(vap); 1654 } 1655 break; 1656 default: 1657 if (acl == NULL) 1658 return EINVAL; 1659 else 1660 return acl->iac_setioctl(vap, ireq); 1661 } 1662 return 0; 1663 } 1664 1665 static __noinline int 1666 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1667 { 1668 struct ieee80211com *ic = vap->iv_ic; 1669 uint8_t *chanlist, *list; 1670 int i, nchan, maxchan, error; 1671 1672 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1673 ireq->i_len = sizeof(ic->ic_chan_active); 1674 list = malloc(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1675 M_NOWAIT | M_ZERO); 1676 if (list == NULL) 1677 return ENOMEM; 1678 error = copyin(ireq->i_data, list, ireq->i_len); 1679 if (error) { 1680 free(list, M_TEMP); 1681 return error; 1682 } 1683 nchan = 0; 1684 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1685 maxchan = ireq->i_len * NBBY; 1686 for (i = 0; i < ic->ic_nchans; i++) { 1687 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1688 /* 1689 * Calculate the intersection of the user list and the 1690 * available channels so users can do things like specify 1691 * 1-255 to get all available channels. 1692 */ 1693 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1694 setbit(chanlist, c->ic_ieee); 1695 nchan++; 1696 } 1697 } 1698 if (nchan == 0) { 1699 free(list, M_TEMP); 1700 return EINVAL; 1701 } 1702 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1703 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1704 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1705 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1706 ieee80211_scan_flush(vap); 1707 free(list, M_TEMP); 1708 return ENETRESET; 1709 } 1710 1711 static __noinline int 1712 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1713 { 1714 struct ieee80211_node *ni; 1715 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1716 int error; 1717 1718 /* 1719 * NB: we could copyin ieee80211req_sta_stats so apps 1720 * could make selective changes but that's overkill; 1721 * just clear all stats for now. 1722 */ 1723 if (ireq->i_len < IEEE80211_ADDR_LEN) 1724 return EINVAL; 1725 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1726 if (error != 0) 1727 return error; 1728 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1729 if (ni == NULL) 1730 return ENOENT; 1731 /* XXX require ni_vap == vap? */ 1732 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1733 ieee80211_free_node(ni); 1734 return 0; 1735 } 1736 1737 static __noinline int 1738 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1739 { 1740 struct ieee80211_node *ni; 1741 struct ieee80211req_sta_txpow txpow; 1742 int error; 1743 1744 if (ireq->i_len != sizeof(txpow)) 1745 return EINVAL; 1746 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1747 if (error != 0) 1748 return error; 1749 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1750 if (ni == NULL) 1751 return ENOENT; 1752 ni->ni_txpower = txpow.it_txpow; 1753 ieee80211_free_node(ni); 1754 return error; 1755 } 1756 1757 static __noinline int 1758 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1759 { 1760 struct ieee80211com *ic = vap->iv_ic; 1761 struct ieee80211_wme_state *wme = &ic->ic_wme; 1762 struct wmeParams *wmep, *chanp; 1763 int isbss, ac; 1764 1765 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1766 return EOPNOTSUPP; 1767 1768 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1769 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1770 if (ac >= WME_NUM_AC) 1771 ac = WME_AC_BE; 1772 if (isbss) { 1773 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1774 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1775 } else { 1776 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1777 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1778 } 1779 switch (ireq->i_type) { 1780 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1781 if (isbss) { 1782 wmep->wmep_logcwmin = ireq->i_val; 1783 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1784 chanp->wmep_logcwmin = ireq->i_val; 1785 } else { 1786 wmep->wmep_logcwmin = chanp->wmep_logcwmin = 1787 ireq->i_val; 1788 } 1789 break; 1790 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1791 if (isbss) { 1792 wmep->wmep_logcwmax = ireq->i_val; 1793 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1794 chanp->wmep_logcwmax = ireq->i_val; 1795 } else { 1796 wmep->wmep_logcwmax = chanp->wmep_logcwmax = 1797 ireq->i_val; 1798 } 1799 break; 1800 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1801 if (isbss) { 1802 wmep->wmep_aifsn = ireq->i_val; 1803 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1804 chanp->wmep_aifsn = ireq->i_val; 1805 } else { 1806 wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val; 1807 } 1808 break; 1809 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1810 if (isbss) { 1811 wmep->wmep_txopLimit = ireq->i_val; 1812 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1813 chanp->wmep_txopLimit = ireq->i_val; 1814 } else { 1815 wmep->wmep_txopLimit = chanp->wmep_txopLimit = 1816 ireq->i_val; 1817 } 1818 break; 1819 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1820 wmep->wmep_acm = ireq->i_val; 1821 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1822 chanp->wmep_acm = ireq->i_val; 1823 break; 1824 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1825 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1826 (ireq->i_val) == 0; 1827 break; 1828 } 1829 ieee80211_wme_updateparams(vap); 1830 return 0; 1831 } 1832 1833 static int 1834 find11gchannel(struct ieee80211com *ic, int start, int freq) 1835 { 1836 const struct ieee80211_channel *c; 1837 int i; 1838 1839 for (i = start+1; i < ic->ic_nchans; i++) { 1840 c = &ic->ic_channels[i]; 1841 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1842 return 1; 1843 } 1844 /* NB: should not be needed but in case things are mis-sorted */ 1845 for (i = 0; i < start; i++) { 1846 c = &ic->ic_channels[i]; 1847 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1848 return 1; 1849 } 1850 return 0; 1851 } 1852 1853 static struct ieee80211_channel * 1854 findchannel(struct ieee80211com *ic, int ieee, int mode) 1855 { 1856 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1857 [IEEE80211_MODE_AUTO] = 0, 1858 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1859 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1860 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1861 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1862 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1863 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1864 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1865 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1866 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1867 /* NB: handled specially below */ 1868 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1869 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1870 }; 1871 u_int modeflags; 1872 int i; 1873 1874 modeflags = chanflags[mode]; 1875 for (i = 0; i < ic->ic_nchans; i++) { 1876 struct ieee80211_channel *c = &ic->ic_channels[i]; 1877 1878 if (c->ic_ieee != ieee) 1879 continue; 1880 if (mode == IEEE80211_MODE_AUTO) { 1881 /* ignore turbo channels for autoselect */ 1882 if (IEEE80211_IS_CHAN_TURBO(c)) 1883 continue; 1884 /* 1885 * XXX special-case 11b/g channels so we 1886 * always select the g channel if both 1887 * are present. 1888 * XXX prefer HT to non-HT? 1889 */ 1890 if (!IEEE80211_IS_CHAN_B(c) || 1891 !find11gchannel(ic, i, c->ic_freq)) 1892 return c; 1893 } else { 1894 /* must check HT specially */ 1895 if ((mode == IEEE80211_MODE_11NA || 1896 mode == IEEE80211_MODE_11NG) && 1897 !IEEE80211_IS_CHAN_HT(c)) 1898 continue; 1899 if ((c->ic_flags & modeflags) == modeflags) 1900 return c; 1901 } 1902 } 1903 return NULL; 1904 } 1905 1906 /* 1907 * Check the specified against any desired mode (aka netband). 1908 * This is only used (presently) when operating in hostap mode 1909 * to enforce consistency. 1910 */ 1911 static int 1912 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1913 { 1914 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1915 1916 switch (mode) { 1917 case IEEE80211_MODE_11B: 1918 return (IEEE80211_IS_CHAN_B(c)); 1919 case IEEE80211_MODE_11G: 1920 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1921 case IEEE80211_MODE_11A: 1922 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1923 case IEEE80211_MODE_STURBO_A: 1924 return (IEEE80211_IS_CHAN_STURBO(c)); 1925 case IEEE80211_MODE_11NA: 1926 return (IEEE80211_IS_CHAN_HTA(c)); 1927 case IEEE80211_MODE_11NG: 1928 return (IEEE80211_IS_CHAN_HTG(c)); 1929 } 1930 return 1; 1931 1932 } 1933 1934 /* 1935 * Common code to set the current channel. If the device 1936 * is up and running this may result in an immediate channel 1937 * change or a kick of the state machine. 1938 */ 1939 static int 1940 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 1941 { 1942 struct ieee80211com *ic = vap->iv_ic; 1943 int error; 1944 1945 if (c != IEEE80211_CHAN_ANYC) { 1946 if (IEEE80211_IS_CHAN_RADAR(c)) 1947 return EBUSY; /* XXX better code? */ 1948 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 1949 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 1950 return EINVAL; 1951 if (!check_mode_consistency(c, vap->iv_des_mode)) 1952 return EINVAL; 1953 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 1954 if (IEEE80211_IS_CHAN_NOADHOC(c)) 1955 return EINVAL; 1956 } 1957 if (vap->iv_state == IEEE80211_S_RUN && 1958 vap->iv_bss->ni_chan == c) 1959 return 0; /* NB: nothing to do */ 1960 } 1961 vap->iv_des_chan = c; 1962 1963 error = 0; 1964 if (vap->iv_opmode == IEEE80211_M_MONITOR && 1965 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1966 /* 1967 * Monitor mode can switch directly. 1968 */ 1969 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 1970 /* XXX need state machine for other vap's to follow */ 1971 ieee80211_setcurchan(ic, vap->iv_des_chan); 1972 vap->iv_bss->ni_chan = ic->ic_curchan; 1973 } else 1974 ic->ic_curchan = vap->iv_des_chan; 1975 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1976 } else { 1977 /* 1978 * Need to go through the state machine in case we 1979 * need to reassociate or the like. The state machine 1980 * will pickup the desired channel and avoid scanning. 1981 */ 1982 if (IS_UP_AUTO(vap)) 1983 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 1984 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1985 /* 1986 * When not up+running and a real channel has 1987 * been specified fix the current channel so 1988 * there is immediate feedback; e.g. via ifconfig. 1989 */ 1990 ic->ic_curchan = vap->iv_des_chan; 1991 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1992 } 1993 } 1994 return error; 1995 } 1996 1997 /* 1998 * Old api for setting the current channel; this is 1999 * deprecated because channel numbers are ambiguous. 2000 */ 2001 static __noinline int 2002 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 2003 const struct ieee80211req *ireq) 2004 { 2005 struct ieee80211com *ic = vap->iv_ic; 2006 struct ieee80211_channel *c; 2007 2008 /* XXX 0xffff overflows 16-bit signed */ 2009 if (ireq->i_val == 0 || 2010 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 2011 c = IEEE80211_CHAN_ANYC; 2012 } else { 2013 struct ieee80211_channel *c2; 2014 2015 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 2016 if (c == NULL) { 2017 c = findchannel(ic, ireq->i_val, 2018 IEEE80211_MODE_AUTO); 2019 if (c == NULL) 2020 return EINVAL; 2021 } 2022 /* 2023 * Fine tune channel selection based on desired mode: 2024 * if 11b is requested, find the 11b version of any 2025 * 11g channel returned, 2026 * if static turbo, find the turbo version of any 2027 * 11a channel return, 2028 * if 11na is requested, find the ht version of any 2029 * 11a channel returned, 2030 * if 11ng is requested, find the ht version of any 2031 * 11g channel returned, 2032 * otherwise we should be ok with what we've got. 2033 */ 2034 switch (vap->iv_des_mode) { 2035 case IEEE80211_MODE_11B: 2036 if (IEEE80211_IS_CHAN_ANYG(c)) { 2037 c2 = findchannel(ic, ireq->i_val, 2038 IEEE80211_MODE_11B); 2039 /* NB: should not happen, =>'s 11g w/o 11b */ 2040 if (c2 != NULL) 2041 c = c2; 2042 } 2043 break; 2044 case IEEE80211_MODE_TURBO_A: 2045 if (IEEE80211_IS_CHAN_A(c)) { 2046 c2 = findchannel(ic, ireq->i_val, 2047 IEEE80211_MODE_TURBO_A); 2048 if (c2 != NULL) 2049 c = c2; 2050 } 2051 break; 2052 case IEEE80211_MODE_11NA: 2053 if (IEEE80211_IS_CHAN_A(c)) { 2054 c2 = findchannel(ic, ireq->i_val, 2055 IEEE80211_MODE_11NA); 2056 if (c2 != NULL) 2057 c = c2; 2058 } 2059 break; 2060 case IEEE80211_MODE_11NG: 2061 if (IEEE80211_IS_CHAN_ANYG(c)) { 2062 c2 = findchannel(ic, ireq->i_val, 2063 IEEE80211_MODE_11NG); 2064 if (c2 != NULL) 2065 c = c2; 2066 } 2067 break; 2068 default: /* NB: no static turboG */ 2069 break; 2070 } 2071 } 2072 return setcurchan(vap, c); 2073 } 2074 2075 /* 2076 * New/current api for setting the current channel; a complete 2077 * channel description is provide so there is no ambiguity in 2078 * identifying the channel. 2079 */ 2080 static __noinline int 2081 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 2082 const struct ieee80211req *ireq) 2083 { 2084 struct ieee80211com *ic = vap->iv_ic; 2085 struct ieee80211_channel chan, *c; 2086 int error; 2087 2088 if (ireq->i_len != sizeof(chan)) 2089 return EINVAL; 2090 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2091 if (error != 0) 2092 return error; 2093 /* XXX 0xffff overflows 16-bit signed */ 2094 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2095 c = IEEE80211_CHAN_ANYC; 2096 } else { 2097 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2098 if (c == NULL) 2099 return EINVAL; 2100 } 2101 return setcurchan(vap, c); 2102 } 2103 2104 static __noinline int 2105 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2106 const struct ieee80211req *ireq) 2107 { 2108 struct ieee80211_regdomain_req *reg; 2109 int nchans, error; 2110 2111 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2112 sizeof(struct ieee80211_channel)); 2113 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2114 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2115 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2116 ireq->i_len, nchans); 2117 return EINVAL; 2118 } 2119 reg = (struct ieee80211_regdomain_req *) 2120 malloc(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, M_NOWAIT); 2121 if (reg == NULL) { 2122 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2123 "%s: no memory, nchans %d\n", __func__, nchans); 2124 return ENOMEM; 2125 } 2126 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2127 if (error == 0) { 2128 /* NB: validate inline channel count against storage size */ 2129 if (reg->chaninfo.ic_nchans != nchans) { 2130 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2131 "%s: chan cnt mismatch, %d != %d\n", __func__, 2132 reg->chaninfo.ic_nchans, nchans); 2133 error = EINVAL; 2134 } else 2135 error = ieee80211_setregdomain(vap, reg); 2136 } 2137 free(reg, M_TEMP); 2138 2139 return (error == 0 ? ENETRESET : error); 2140 } 2141 2142 static int 2143 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2144 const struct ieee80211req *ireq) 2145 { 2146 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2147 return EINVAL; 2148 /* XXX validate params */ 2149 /* XXX? ENETRESET to push to device? */ 2150 return copyin(ireq->i_data, vap->iv_roamparms, 2151 sizeof(vap->iv_roamparms)); 2152 } 2153 2154 static int 2155 checkrate(const struct ieee80211_rateset *rs, int rate) 2156 { 2157 int i; 2158 2159 if (rate == IEEE80211_FIXED_RATE_NONE) 2160 return 1; 2161 for (i = 0; i < rs->rs_nrates; i++) 2162 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2163 return 1; 2164 return 0; 2165 } 2166 2167 static int 2168 checkmcs(int mcs) 2169 { 2170 if (mcs == IEEE80211_FIXED_RATE_NONE) 2171 return 1; 2172 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2173 return 0; 2174 return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */ 2175 } 2176 2177 static __noinline int 2178 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2179 const struct ieee80211req *ireq) 2180 { 2181 struct ieee80211com *ic = vap->iv_ic; 2182 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2183 struct ieee80211_txparam *src, *dst; 2184 const struct ieee80211_rateset *rs; 2185 int error, mode, changed, is11n, nmodes; 2186 2187 /* NB: accept short requests for backwards compat */ 2188 if (ireq->i_len > sizeof(parms)) 2189 return EINVAL; 2190 error = copyin(ireq->i_data, &parms, ireq->i_len); 2191 if (error != 0) 2192 return error; 2193 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2194 changed = 0; 2195 /* validate parameters and check if anything changed */ 2196 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2197 if (isclr(ic->ic_modecaps, mode)) 2198 continue; 2199 src = &parms.params[mode]; 2200 dst = &vap->iv_txparms[mode]; 2201 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2202 is11n = (mode == IEEE80211_MODE_11NA || 2203 mode == IEEE80211_MODE_11NG); 2204 if (src->ucastrate != dst->ucastrate) { 2205 if (!checkrate(rs, src->ucastrate) && 2206 (!is11n || !checkmcs(src->ucastrate))) 2207 return EINVAL; 2208 changed++; 2209 } 2210 if (src->mcastrate != dst->mcastrate) { 2211 if (!checkrate(rs, src->mcastrate) && 2212 (!is11n || !checkmcs(src->mcastrate))) 2213 return EINVAL; 2214 changed++; 2215 } 2216 if (src->mgmtrate != dst->mgmtrate) { 2217 if (!checkrate(rs, src->mgmtrate) && 2218 (!is11n || !checkmcs(src->mgmtrate))) 2219 return EINVAL; 2220 changed++; 2221 } 2222 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2223 changed++; 2224 } 2225 if (changed) { 2226 /* 2227 * Copy new parameters in place and notify the 2228 * driver so it can push state to the device. 2229 */ 2230 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2231 if (isset(ic->ic_modecaps, mode)) 2232 vap->iv_txparms[mode] = parms.params[mode]; 2233 } 2234 /* XXX could be more intelligent, 2235 e.g. don't reset if setting not being used */ 2236 return ENETRESET; 2237 } 2238 return 0; 2239 } 2240 2241 /* 2242 * Application Information Element support. 2243 */ 2244 static int 2245 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2246 { 2247 struct ieee80211_appie *app = *aie; 2248 struct ieee80211_appie *napp; 2249 int error; 2250 2251 if (ireq->i_len == 0) { /* delete any existing ie */ 2252 if (app != NULL) { 2253 *aie = NULL; /* XXX racey */ 2254 free(app, M_80211_NODE_IE); 2255 } 2256 return 0; 2257 } 2258 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2259 return EINVAL; 2260 /* 2261 * Allocate a new appie structure and copy in the user data. 2262 * When done swap in the new structure. Note that we do not 2263 * guard against users holding a ref to the old structure; 2264 * this must be handled outside this code. 2265 * 2266 * XXX bad bad bad 2267 */ 2268 napp = (struct ieee80211_appie *) malloc( 2269 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, 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 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 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 #ifdef IPX 3423 /* 3424 * XXX - This code is probably wrong, 3425 * but has been copied many times. 3426 */ 3427 case AF_IPX: { 3428 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr); 3429 3430 if (ipx_nullhost(*ina)) 3431 ina->x_host = *(union ipx_host *) 3432 IF_LLADDR(ifp); 3433 else 3434 bcopy((caddr_t) ina->x_host.c_host, 3435 (caddr_t) IF_LLADDR(ifp), 3436 ETHER_ADDR_LEN); 3437 /* fall thru... */ 3438 } 3439 #endif 3440 default: 3441 if ((ifp->if_flags & IFF_UP) == 0) { 3442 ifp->if_flags |= IFF_UP; 3443 ifp->if_init(ifp->if_softc); 3444 } 3445 break; 3446 } 3447 break; 3448 /* Pass NDIS ioctls up to the driver */ 3449 case SIOCGDRVSPEC: 3450 case SIOCSDRVSPEC: 3451 case SIOCGPRIVATE_0: { 3452 struct ifnet *parent = vap->iv_ic->ic_ifp; 3453 error = parent->if_ioctl(parent, cmd, data); 3454 break; 3455 } 3456 default: 3457 error = ether_ioctl(ifp, cmd, data); 3458 break; 3459 } 3460 return error; 3461 }
Cache object: 971f6c5c3b16e603e3e0eee79c0bcd91
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