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 * $FreeBSD: head/sys/net80211/ieee80211_ioctl.c 202935 2010-01-24 16:17:58Z syrinx $ 27 */ 28 29 /* 30 * IEEE 802.11 ioctl support (DragonFlyBSD-specific) 31 */ 32 33 #include "opt_inet.h" 34 #include "opt_ipx.h" 35 #include "opt_wlan.h" 36 37 #include <sys/endian.h> 38 #include <sys/param.h> 39 #include <sys/kernel.h> 40 #include <sys/priv.h> 41 #include <sys/socket.h> 42 #include <sys/sockio.h> 43 #include <sys/systm.h> 44 45 #include <net/if.h> 46 #include <net/if_var.h> 47 #include <net/if_dl.h> 48 #include <net/if_media.h> 49 #include <net/ethernet.h> 50 #include <net/route.h> 51 52 #ifdef INET 53 #include <netinet/in.h> 54 #include <netinet/if_ether.h> 55 #endif 56 57 #ifdef IPX 58 #include <netproto/ipx/ipx.h> 59 #include <netproto/ipx/ipx_if.h> 60 #endif 61 62 #include <netproto/802_11/ieee80211_var.h> 63 #include <netproto/802_11/ieee80211_ioctl.h> 64 #include <netproto/802_11/ieee80211_regdomain.h> 65 #include <netproto/802_11/ieee80211_input.h> 66 67 #define IS_UP_AUTO(_vap) \ 68 (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \ 69 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO) 70 71 static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 72 static struct ieee80211_channel *findchannel(struct ieee80211com *, 73 int ieee, int mode); 74 75 static __noinline int 76 ieee80211_ioctl_getkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 77 { 78 struct ieee80211com *ic = vap->iv_ic; 79 struct ieee80211_node *ni; 80 struct ieee80211req_key ik; 81 struct ieee80211_key *wk; 82 const struct ieee80211_cipher *cip; 83 u_int kid; 84 int error; 85 86 if (ireq->i_len != sizeof(ik)) 87 return EINVAL; 88 error = copyin(ireq->i_data, &ik, sizeof(ik)); 89 if (error) 90 return error; 91 kid = ik.ik_keyix; 92 if (kid == IEEE80211_KEYIX_NONE) { 93 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr); 94 if (ni == NULL) 95 return ENOENT; 96 wk = &ni->ni_ucastkey; 97 } else { 98 if (kid >= IEEE80211_WEP_NKID) 99 return EINVAL; 100 wk = &vap->iv_nw_keys[kid]; 101 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr); 102 ni = NULL; 103 } 104 cip = wk->wk_cipher; 105 ik.ik_type = cip->ic_cipher; 106 ik.ik_keylen = wk->wk_keylen; 107 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 108 if (wk->wk_keyix == vap->iv_def_txkey) 109 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 110 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 111 /* NB: only root can read key data */ 112 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID]; 113 ik.ik_keytsc = wk->wk_keytsc; 114 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 115 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 116 memcpy(ik.ik_keydata+wk->wk_keylen, 117 wk->wk_key + IEEE80211_KEYBUF_SIZE, 118 IEEE80211_MICBUF_SIZE); 119 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 120 } 121 } else { 122 ik.ik_keyrsc = 0; 123 ik.ik_keytsc = 0; 124 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 125 } 126 if (ni != NULL) 127 ieee80211_free_node(ni); 128 return copyout(&ik, ireq->i_data, sizeof(ik)); 129 } 130 131 static __noinline int 132 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 133 { 134 struct ieee80211com *ic = vap->iv_ic; 135 136 if (sizeof(ic->ic_chan_active) < ireq->i_len) 137 ireq->i_len = sizeof(ic->ic_chan_active); 138 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); 139 } 140 141 static __noinline int 142 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 143 { 144 struct ieee80211com *ic = vap->iv_ic; 145 int space; 146 147 space = __offsetof(struct ieee80211req_chaninfo, 148 ic_chans[ic->ic_nchans]); 149 if (space > ireq->i_len) 150 space = ireq->i_len; 151 /* XXX assumes compatible layout */ 152 return copyout(&ic->ic_nchans, ireq->i_data, space); 153 } 154 155 static __noinline int 156 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap, 157 struct ieee80211req *ireq, int req) 158 { 159 struct ieee80211_node *ni; 160 struct ieee80211req_wpaie2 wpaie; 161 int error; 162 163 if (ireq->i_len < IEEE80211_ADDR_LEN) 164 return EINVAL; 165 error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN); 166 if (error != 0) 167 return error; 168 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie.wpa_macaddr); 169 if (ni == NULL) 170 return ENOENT; 171 memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie)); 172 if (ni->ni_ies.wpa_ie != NULL) { 173 int ielen = ni->ni_ies.wpa_ie[1] + 2; 174 if (ielen > sizeof(wpaie.wpa_ie)) 175 ielen = sizeof(wpaie.wpa_ie); 176 memcpy(wpaie.wpa_ie, ni->ni_ies.wpa_ie, ielen); 177 } 178 if (req == IEEE80211_IOC_WPAIE2) { 179 memset(wpaie.rsn_ie, 0, sizeof(wpaie.rsn_ie)); 180 if (ni->ni_ies.rsn_ie != NULL) { 181 int ielen = ni->ni_ies.rsn_ie[1] + 2; 182 if (ielen > sizeof(wpaie.rsn_ie)) 183 ielen = sizeof(wpaie.rsn_ie); 184 memcpy(wpaie.rsn_ie, ni->ni_ies.rsn_ie, ielen); 185 } 186 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2)) 187 ireq->i_len = sizeof(struct ieee80211req_wpaie2); 188 } else { 189 /* compatibility op, may overwrite wpa ie */ 190 /* XXX check ic_flags? */ 191 if (ni->ni_ies.rsn_ie != NULL) { 192 int ielen = ni->ni_ies.rsn_ie[1] + 2; 193 if (ielen > sizeof(wpaie.wpa_ie)) 194 ielen = sizeof(wpaie.wpa_ie); 195 memcpy(wpaie.wpa_ie, ni->ni_ies.rsn_ie, ielen); 196 } 197 if (ireq->i_len > sizeof(struct ieee80211req_wpaie)) 198 ireq->i_len = sizeof(struct ieee80211req_wpaie); 199 } 200 ieee80211_free_node(ni); 201 return copyout(&wpaie, ireq->i_data, ireq->i_len); 202 } 203 204 static __noinline int 205 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 206 { 207 struct ieee80211_node *ni; 208 uint8_t macaddr[IEEE80211_ADDR_LEN]; 209 const int off = __offsetof(struct ieee80211req_sta_stats, is_stats); 210 int error; 211 212 if (ireq->i_len < off) 213 return EINVAL; 214 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 215 if (error != 0) 216 return error; 217 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 218 if (ni == NULL) 219 return ENOENT; 220 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 221 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 222 /* NB: copy out only the statistics */ 223 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off, 224 ireq->i_len - off); 225 ieee80211_free_node(ni); 226 return error; 227 } 228 229 struct scanreq { 230 struct ieee80211req_scan_result *sr; 231 size_t space; 232 }; 233 234 static size_t 235 scan_space(const struct ieee80211_scan_entry *se, int *ielen) 236 { 237 size_t len; 238 239 *ielen = se->se_ies.len; 240 /* 241 * NB: ie's can be no more than 255 bytes and the max 802.11 242 * packet is <3Kbytes so we are sure this doesn't overflow 243 * 16-bits; if this is a concern we can drop the ie's. 244 */ 245 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + 246 se->se_meshid[1] + *ielen; 247 return roundup(len, sizeof(uint32_t)); 248 } 249 250 static void 251 get_scan_space(void *arg, const struct ieee80211_scan_entry *se) 252 { 253 struct scanreq *req = arg; 254 int ielen; 255 256 req->space += scan_space(se, &ielen); 257 } 258 259 static __noinline void 260 get_scan_result(void *arg, const struct ieee80211_scan_entry *se) 261 { 262 struct scanreq *req = arg; 263 struct ieee80211req_scan_result *sr; 264 int ielen, len, nr, nxr; 265 uint8_t *cp; 266 267 len = scan_space(se, &ielen); 268 if (len > req->space) 269 return; 270 271 sr = req->sr; 272 KASSERT(len <= 65535 && ielen <= 65535, 273 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen)); 274 sr->isr_len = len; 275 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result); 276 sr->isr_ie_len = ielen; 277 sr->isr_freq = se->se_chan->ic_freq; 278 sr->isr_flags = se->se_chan->ic_flags; 279 sr->isr_rssi = se->se_rssi; 280 sr->isr_noise = se->se_noise; 281 sr->isr_intval = se->se_intval; 282 sr->isr_capinfo = se->se_capinfo; 283 sr->isr_erp = se->se_erp; 284 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid); 285 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE); 286 memcpy(sr->isr_rates, se->se_rates+2, nr); 287 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr); 288 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr); 289 sr->isr_nrates = nr + nxr; 290 291 /* copy SSID */ 292 sr->isr_ssid_len = se->se_ssid[1]; 293 cp = ((uint8_t *)sr) + sr->isr_ie_off; 294 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len); 295 296 /* copy mesh id */ 297 cp += sr->isr_ssid_len; 298 sr->isr_meshid_len = se->se_meshid[1]; 299 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len); 300 cp += sr->isr_meshid_len; 301 302 if (ielen) 303 memcpy(cp, se->se_ies.data, ielen); 304 305 req->space -= len; 306 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len); 307 } 308 309 static __noinline int 310 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap, 311 struct ieee80211req *ireq) 312 { 313 struct scanreq req; 314 int error; 315 316 if (ireq->i_len < sizeof(struct scanreq)) 317 return EFAULT; 318 319 error = 0; 320 req.space = 0; 321 ieee80211_scan_iterate(vap, get_scan_space, &req); 322 if (req.space > ireq->i_len) 323 req.space = ireq->i_len; 324 if (req.space > 0) { 325 size_t space; 326 void *p; 327 328 space = req.space; 329 /* XXX M_WAITOK after driver lock released */ 330 p = kmalloc(space, M_TEMP, M_INTWAIT | M_ZERO); 331 if (p == NULL) 332 return ENOMEM; 333 req.sr = p; 334 ieee80211_scan_iterate(vap, get_scan_result, &req); 335 ireq->i_len = space - req.space; 336 error = copyout(p, ireq->i_data, ireq->i_len); 337 kfree(p, M_TEMP); 338 } else 339 ireq->i_len = 0; 340 341 return error; 342 } 343 344 struct stainforeq { 345 struct ieee80211vap *vap; 346 struct ieee80211req_sta_info *si; 347 size_t space; 348 }; 349 350 static size_t 351 sta_space(const struct ieee80211_node *ni, size_t *ielen) 352 { 353 *ielen = ni->ni_ies.len; 354 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, 355 sizeof(uint32_t)); 356 } 357 358 static void 359 get_sta_space(void *arg, struct ieee80211_node *ni) 360 { 361 struct stainforeq *req = arg; 362 size_t ielen; 363 364 if (req->vap != ni->ni_vap) 365 return; 366 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP && 367 ni->ni_associd == 0) /* only associated stations */ 368 return; 369 req->space += sta_space(ni, &ielen); 370 } 371 372 static __noinline void 373 get_sta_info(void *arg, struct ieee80211_node *ni) 374 { 375 struct stainforeq *req = arg; 376 struct ieee80211vap *vap = ni->ni_vap; 377 struct ieee80211req_sta_info *si; 378 size_t ielen, len; 379 uint8_t *cp; 380 381 if (req->vap != ni->ni_vap) 382 return; 383 if (vap->iv_opmode == IEEE80211_M_HOSTAP && 384 ni->ni_associd == 0) /* only associated stations */ 385 return; 386 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 387 return; 388 len = sta_space(ni, &ielen); 389 if (len > req->space) 390 return; 391 si = req->si; 392 si->isi_len = len; 393 si->isi_ie_off = sizeof(struct ieee80211req_sta_info); 394 si->isi_ie_len = ielen; 395 si->isi_freq = ni->ni_chan->ic_freq; 396 si->isi_flags = ni->ni_chan->ic_flags; 397 si->isi_state = ni->ni_flags; 398 si->isi_authmode = ni->ni_authmode; 399 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise); 400 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo); 401 si->isi_capinfo = ni->ni_capinfo; 402 si->isi_erp = ni->ni_erp; 403 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 404 si->isi_nrates = ni->ni_rates.rs_nrates; 405 if (si->isi_nrates > 15) 406 si->isi_nrates = 15; 407 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 408 si->isi_txrate = ni->ni_txrate; 409 if (si->isi_txrate & IEEE80211_RATE_MCS) { 410 const struct ieee80211_mcs_rates *mcs = 411 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS]; 412 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) { 413 if (ni->ni_flags & IEEE80211_NODE_SGI40) 414 si->isi_txmbps = mcs->ht40_rate_800ns; 415 else 416 si->isi_txmbps = mcs->ht40_rate_400ns; 417 } else { 418 if (ni->ni_flags & IEEE80211_NODE_SGI20) 419 si->isi_txmbps = mcs->ht20_rate_800ns; 420 else 421 si->isi_txmbps = mcs->ht20_rate_400ns; 422 } 423 } else 424 si->isi_txmbps = si->isi_txrate; 425 si->isi_associd = ni->ni_associd; 426 si->isi_txpower = ni->ni_txpower; 427 si->isi_vlan = ni->ni_vlan; 428 if (ni->ni_flags & IEEE80211_NODE_QOS) { 429 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 430 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 431 } else { 432 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID]; 433 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID]; 434 } 435 /* NB: leave all cases in case we relax ni_associd == 0 check */ 436 if (ieee80211_node_is_authorized(ni)) 437 si->isi_inact = vap->iv_inact_run; 438 else if (ni->ni_associd != 0 || 439 (vap->iv_opmode == IEEE80211_M_WDS && 440 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY))) 441 si->isi_inact = vap->iv_inact_auth; 442 else 443 si->isi_inact = vap->iv_inact_init; 444 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 445 si->isi_localid = ni->ni_mllid; 446 si->isi_peerid = ni->ni_mlpid; 447 si->isi_peerstate = ni->ni_mlstate; 448 449 if (ielen) { 450 cp = ((uint8_t *)si) + si->isi_ie_off; 451 memcpy(cp, ni->ni_ies.data, ielen); 452 } 453 454 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len); 455 req->space -= len; 456 } 457 458 static __noinline int 459 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq, 460 struct ieee80211_node *ni, int off) 461 { 462 struct ieee80211com *ic = vap->iv_ic; 463 struct stainforeq req; 464 size_t space; 465 void *p; 466 int error; 467 468 error = 0; 469 req.space = 0; 470 req.vap = vap; 471 if (ni == NULL) 472 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req); 473 else 474 get_sta_space(&req, ni); 475 if (req.space > ireq->i_len) 476 req.space = ireq->i_len; 477 if (req.space > 0) { 478 space = req.space; 479 /* XXX M_WAITOK after driver lock released */ 480 p = kmalloc(space, M_TEMP, M_INTWAIT | M_ZERO); 481 if (p == NULL) { 482 error = ENOMEM; 483 goto bad; 484 } 485 req.si = p; 486 if (ni == NULL) 487 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req); 488 else 489 get_sta_info(&req, ni); 490 ireq->i_len = space - req.space; 491 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len); 492 kfree(p, M_TEMP); 493 } else 494 ireq->i_len = 0; 495 bad: 496 if (ni != NULL) 497 ieee80211_free_node(ni); 498 return error; 499 } 500 501 static __noinline int 502 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 503 { 504 uint8_t macaddr[IEEE80211_ADDR_LEN]; 505 const int off = __offsetof(struct ieee80211req_sta_req, info); 506 struct ieee80211_node *ni; 507 int error; 508 509 if (ireq->i_len < sizeof(struct ieee80211req_sta_req)) 510 return EFAULT; 511 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 512 if (error != 0) 513 return error; 514 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) { 515 ni = NULL; 516 } else { 517 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 518 if (ni == NULL) 519 return ENOENT; 520 } 521 return getstainfo_common(vap, ireq, ni, off); 522 } 523 524 static __noinline int 525 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 526 { 527 struct ieee80211_node *ni; 528 struct ieee80211req_sta_txpow txpow; 529 int error; 530 531 if (ireq->i_len != sizeof(txpow)) 532 return EINVAL; 533 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 534 if (error != 0) 535 return error; 536 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 537 if (ni == NULL) 538 return ENOENT; 539 txpow.it_txpow = ni->ni_txpower; 540 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 541 ieee80211_free_node(ni); 542 return error; 543 } 544 545 static __noinline int 546 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 547 { 548 struct ieee80211com *ic = vap->iv_ic; 549 struct ieee80211_wme_state *wme = &ic->ic_wme; 550 struct wmeParams *wmep; 551 int ac; 552 553 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 554 return EINVAL; 555 556 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 557 if (ac >= WME_NUM_AC) 558 ac = WME_AC_BE; 559 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 560 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 561 else 562 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 563 switch (ireq->i_type) { 564 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 565 ireq->i_val = wmep->wmep_logcwmin; 566 break; 567 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 568 ireq->i_val = wmep->wmep_logcwmax; 569 break; 570 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 571 ireq->i_val = wmep->wmep_aifsn; 572 break; 573 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 574 ireq->i_val = wmep->wmep_txopLimit; 575 break; 576 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 577 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 578 ireq->i_val = wmep->wmep_acm; 579 break; 580 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 581 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 582 ireq->i_val = !wmep->wmep_noackPolicy; 583 break; 584 } 585 return 0; 586 } 587 588 static __noinline int 589 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 590 { 591 const struct ieee80211_aclator *acl = vap->iv_acl; 592 593 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq)); 594 } 595 596 static __noinline int 597 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq) 598 { 599 struct ieee80211com *ic = vap->iv_ic; 600 struct ieee80211_channel *c; 601 602 if (ireq->i_len != sizeof(struct ieee80211_channel)) 603 return EINVAL; 604 /* 605 * vap's may have different operating channels when HT is 606 * in use. When in RUN state report the vap-specific channel. 607 * Otherwise return curchan. 608 */ 609 if (vap->iv_state == IEEE80211_S_RUN) 610 c = vap->iv_bss->ni_chan; 611 else 612 c = ic->ic_curchan; 613 return copyout(c, ireq->i_data, sizeof(*c)); 614 } 615 616 static int 617 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq) 618 { 619 if (aie == NULL) 620 return EINVAL; 621 /* NB: truncate, caller can check length */ 622 if (ireq->i_len > aie->ie_len) 623 ireq->i_len = aie->ie_len; 624 return copyout(aie->ie_data, ireq->i_data, ireq->i_len); 625 } 626 627 static int 628 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq) 629 { 630 uint8_t fc0; 631 632 fc0 = ireq->i_val & 0xff; 633 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 634 return EINVAL; 635 /* NB: could check iv_opmode and reject but hardly worth the effort */ 636 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 637 case IEEE80211_FC0_SUBTYPE_BEACON: 638 return getappie(vap->iv_appie_beacon, ireq); 639 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 640 return getappie(vap->iv_appie_proberesp, ireq); 641 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 642 return getappie(vap->iv_appie_assocresp, ireq); 643 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 644 return getappie(vap->iv_appie_probereq, ireq); 645 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 646 return getappie(vap->iv_appie_assocreq, ireq); 647 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP: 648 return getappie(vap->iv_appie_wpa, ireq); 649 } 650 return EINVAL; 651 } 652 653 static __noinline int 654 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap, 655 const struct ieee80211req *ireq) 656 { 657 struct ieee80211com *ic = vap->iv_ic; 658 659 if (ireq->i_len != sizeof(ic->ic_regdomain)) 660 return EINVAL; 661 return copyout(&ic->ic_regdomain, ireq->i_data, 662 sizeof(ic->ic_regdomain)); 663 } 664 665 static __noinline int 666 ieee80211_ioctl_getroam(struct ieee80211vap *vap, 667 const struct ieee80211req *ireq) 668 { 669 size_t len = ireq->i_len; 670 /* NB: accept short requests for backwards compat */ 671 if (len > sizeof(vap->iv_roamparms)) 672 len = sizeof(vap->iv_roamparms); 673 return copyout(vap->iv_roamparms, ireq->i_data, len); 674 } 675 676 static __noinline int 677 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap, 678 const struct ieee80211req *ireq) 679 { 680 size_t len = ireq->i_len; 681 /* NB: accept short requests for backwards compat */ 682 if (len > sizeof(vap->iv_txparms)) 683 len = sizeof(vap->iv_txparms); 684 return copyout(vap->iv_txparms, ireq->i_data, len); 685 } 686 687 static __noinline int 688 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic, 689 const struct ieee80211req *ireq) 690 { 691 struct ieee80211_devcaps_req *dc; 692 struct ieee80211req_chaninfo *ci; 693 int maxchans, error; 694 695 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) / 696 sizeof(struct ieee80211_channel)); 697 /* NB: require 1 so we know ic_nchans is accessible */ 698 if (maxchans < 1) 699 return EINVAL; 700 /* constrain max request size, 2K channels is ~24Kbytes */ 701 if (maxchans > 2048) 702 maxchans = 2048; 703 dc = (struct ieee80211_devcaps_req *) 704 kmalloc(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, 705 M_INTWAIT | 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 kfree(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_BGSCAN: 976 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 977 break; 978 case IEEE80211_IOC_BGSCAN_IDLE: 979 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 980 break; 981 case IEEE80211_IOC_BGSCAN_INTERVAL: 982 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 983 break; 984 case IEEE80211_IOC_SCANVALID: 985 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 986 break; 987 case IEEE80211_IOC_FRAGTHRESHOLD: 988 ireq->i_val = vap->iv_fragthreshold; 989 break; 990 case IEEE80211_IOC_MACCMD: 991 error = ieee80211_ioctl_getmaccmd(vap, ireq); 992 break; 993 case IEEE80211_IOC_BURST: 994 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 995 break; 996 case IEEE80211_IOC_BMISSTHRESHOLD: 997 ireq->i_val = vap->iv_bmissthreshold; 998 break; 999 case IEEE80211_IOC_CURCHAN: 1000 error = ieee80211_ioctl_getcurchan(vap, ireq); 1001 break; 1002 case IEEE80211_IOC_SHORTGI: 1003 ireq->i_val = 0; 1004 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) 1005 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 1006 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) 1007 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 1008 break; 1009 case IEEE80211_IOC_AMPDU: 1010 ireq->i_val = 0; 1011 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) 1012 ireq->i_val |= 1; 1013 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) 1014 ireq->i_val |= 2; 1015 break; 1016 case IEEE80211_IOC_AMPDU_LIMIT: 1017 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1018 ireq->i_val = vap->iv_ampdu_rxmax; 1019 else if (vap->iv_state == IEEE80211_S_RUN) 1020 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1021 IEEE80211_HTCAP_MAXRXAMPDU); 1022 else 1023 ireq->i_val = vap->iv_ampdu_limit; 1024 break; 1025 case IEEE80211_IOC_AMPDU_DENSITY: 1026 if (vap->iv_opmode == IEEE80211_M_STA && 1027 vap->iv_state == IEEE80211_S_RUN) 1028 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1029 IEEE80211_HTCAP_MPDUDENSITY); 1030 else 1031 ireq->i_val = vap->iv_ampdu_density; 1032 break; 1033 case IEEE80211_IOC_AMSDU: 1034 ireq->i_val = 0; 1035 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) 1036 ireq->i_val |= 1; 1037 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) 1038 ireq->i_val |= 2; 1039 break; 1040 case IEEE80211_IOC_AMSDU_LIMIT: 1041 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1042 break; 1043 case IEEE80211_IOC_PUREN: 1044 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; 1045 break; 1046 case IEEE80211_IOC_DOTH: 1047 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1048 break; 1049 case IEEE80211_IOC_REGDOMAIN: 1050 error = ieee80211_ioctl_getregdomain(vap, ireq); 1051 break; 1052 case IEEE80211_IOC_ROAM: 1053 error = ieee80211_ioctl_getroam(vap, ireq); 1054 break; 1055 case IEEE80211_IOC_TXPARAMS: 1056 error = ieee80211_ioctl_gettxparams(vap, ireq); 1057 break; 1058 case IEEE80211_IOC_HTCOMPAT: 1059 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; 1060 break; 1061 case IEEE80211_IOC_DWDS: 1062 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1063 break; 1064 case IEEE80211_IOC_INACTIVITY: 1065 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1066 break; 1067 case IEEE80211_IOC_APPIE: 1068 error = ieee80211_ioctl_getappie(vap, ireq); 1069 break; 1070 case IEEE80211_IOC_WPS: 1071 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1072 break; 1073 case IEEE80211_IOC_TSN: 1074 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1075 break; 1076 case IEEE80211_IOC_DFS: 1077 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1078 break; 1079 case IEEE80211_IOC_DOTD: 1080 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1081 break; 1082 case IEEE80211_IOC_DEVCAPS: 1083 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1084 break; 1085 case IEEE80211_IOC_HTPROTMODE: 1086 ireq->i_val = ic->ic_htprotmode; 1087 break; 1088 case IEEE80211_IOC_HTCONF: 1089 if (vap->iv_flags_ht & IEEE80211_FHT_HT) { 1090 ireq->i_val = 1; 1091 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) 1092 ireq->i_val |= 2; 1093 } else 1094 ireq->i_val = 0; 1095 break; 1096 case IEEE80211_IOC_STA_VLAN: 1097 error = ieee80211_ioctl_getstavlan(vap, ireq); 1098 break; 1099 case IEEE80211_IOC_SMPS: 1100 if (vap->iv_opmode == IEEE80211_M_STA && 1101 vap->iv_state == IEEE80211_S_RUN) { 1102 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1103 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1104 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1105 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1106 else 1107 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1108 } else 1109 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1110 break; 1111 case IEEE80211_IOC_RIFS: 1112 if (vap->iv_opmode == IEEE80211_M_STA && 1113 vap->iv_state == IEEE80211_S_RUN) 1114 ireq->i_val = 1115 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1116 else 1117 ireq->i_val = 1118 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; 1119 break; 1120 default: 1121 error = ieee80211_ioctl_getdefault(vap, ireq); 1122 break; 1123 } 1124 return error; 1125 #undef MS 1126 } 1127 1128 static __noinline int 1129 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1130 { 1131 struct ieee80211req_key ik; 1132 struct ieee80211_node *ni; 1133 struct ieee80211_key *wk; 1134 uint16_t kid; 1135 int error, i; 1136 1137 if (ireq->i_len != sizeof(ik)) 1138 return EINVAL; 1139 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1140 if (error) 1141 return error; 1142 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1143 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1144 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1145 return E2BIG; 1146 kid = ik.ik_keyix; 1147 if (kid == IEEE80211_KEYIX_NONE) { 1148 /* XXX unicast keys currently must be tx/rx */ 1149 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1150 return EINVAL; 1151 if (vap->iv_opmode == IEEE80211_M_STA) { 1152 ni = ieee80211_ref_node(vap->iv_bss); 1153 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1154 ieee80211_free_node(ni); 1155 return EADDRNOTAVAIL; 1156 } 1157 } else { 1158 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1159 ik.ik_macaddr); 1160 if (ni == NULL) 1161 return ENOENT; 1162 } 1163 wk = &ni->ni_ucastkey; 1164 } else { 1165 if (kid >= IEEE80211_WEP_NKID) 1166 return EINVAL; 1167 wk = &vap->iv_nw_keys[kid]; 1168 /* 1169 * Global slots start off w/o any assigned key index. 1170 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1171 */ 1172 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1173 wk->wk_keyix = kid; 1174 ni = NULL; 1175 } 1176 error = 0; 1177 ieee80211_key_update_begin(vap); 1178 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1179 wk->wk_keylen = ik.ik_keylen; 1180 /* NB: MIC presence is implied by cipher type */ 1181 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1182 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1183 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1184 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1185 wk->wk_keytsc = 0; /* new key, reset */ 1186 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1187 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1188 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1189 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1190 if (!ieee80211_crypto_setkey(vap, wk)) 1191 error = EIO; 1192 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1193 vap->iv_def_txkey = kid; 1194 } else 1195 error = ENXIO; 1196 ieee80211_key_update_end(vap); 1197 if (ni != NULL) 1198 ieee80211_free_node(ni); 1199 return error; 1200 } 1201 1202 static __noinline int 1203 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1204 { 1205 struct ieee80211req_del_key dk; 1206 int kid, error; 1207 1208 if (ireq->i_len != sizeof(dk)) 1209 return EINVAL; 1210 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1211 if (error) 1212 return error; 1213 kid = dk.idk_keyix; 1214 /* XXX uint8_t -> uint16_t */ 1215 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1216 struct ieee80211_node *ni; 1217 1218 if (vap->iv_opmode == IEEE80211_M_STA) { 1219 ni = ieee80211_ref_node(vap->iv_bss); 1220 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1221 ieee80211_free_node(ni); 1222 return EADDRNOTAVAIL; 1223 } 1224 } else { 1225 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1226 dk.idk_macaddr); 1227 if (ni == NULL) 1228 return ENOENT; 1229 } 1230 /* XXX error return */ 1231 ieee80211_node_delucastkey(ni); 1232 ieee80211_free_node(ni); 1233 } else { 1234 if (kid >= IEEE80211_WEP_NKID) 1235 return EINVAL; 1236 /* XXX error return */ 1237 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1238 } 1239 return 0; 1240 } 1241 1242 struct mlmeop { 1243 struct ieee80211vap *vap; 1244 int op; 1245 int reason; 1246 }; 1247 1248 static void 1249 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1250 int op, int reason) 1251 { 1252 #ifdef IEEE80211_DEBUG 1253 static const struct { 1254 int mask; 1255 const char *opstr; 1256 } ops[] = { 1257 { 0, "op#0" }, 1258 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1259 IEEE80211_MSG_ASSOC, "assoc" }, 1260 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1261 IEEE80211_MSG_ASSOC, "disassoc" }, 1262 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1263 IEEE80211_MSG_AUTH, "deauth" }, 1264 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1265 IEEE80211_MSG_AUTH, "authorize" }, 1266 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1267 IEEE80211_MSG_AUTH, "unauthorize" }, 1268 }; 1269 1270 if (op == IEEE80211_MLME_AUTH) { 1271 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1272 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1273 "station authenticate %s via MLME (reason %d)", 1274 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1275 reason); 1276 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1277 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1278 "unknown MLME request %d (reason %d)", op, reason); 1279 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1280 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1281 "station %s via MLME", ops[op].opstr); 1282 } else { 1283 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1284 "station %s via MLME (reason %d)", ops[op].opstr, reason); 1285 } 1286 #endif /* IEEE80211_DEBUG */ 1287 } 1288 1289 static void 1290 domlme(void *arg, struct ieee80211_node *ni) 1291 { 1292 struct mlmeop *mop = arg; 1293 struct ieee80211vap *vap = ni->ni_vap; 1294 1295 if (vap != mop->vap) 1296 return; 1297 /* 1298 * NB: if ni_associd is zero then the node is already cleaned 1299 * up and we don't need to do this (we're safely holding a 1300 * reference but should otherwise not modify it's state). 1301 */ 1302 if (ni->ni_associd == 0) 1303 return; 1304 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1305 if (mop->op == IEEE80211_MLME_DEAUTH) { 1306 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1307 mop->reason); 1308 } else { 1309 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1310 mop->reason); 1311 } 1312 ieee80211_node_leave(ni); 1313 } 1314 1315 static int 1316 setmlme_dropsta(struct ieee80211vap *vap, 1317 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1318 { 1319 struct ieee80211com *ic = vap->iv_ic; 1320 struct ieee80211_node_table *nt = &ic->ic_sta; 1321 struct ieee80211_node *ni; 1322 int error = 0; 1323 1324 /* NB: the broadcast address means do 'em all */ 1325 if (!IEEE80211_ADDR_EQ(mac, ic->ic_ifp->if_broadcastaddr)) { 1326 ni = ieee80211_find_node_locked(nt, mac); 1327 if (ni != NULL) { 1328 domlme(mlmeop, ni); 1329 ieee80211_free_node(ni); 1330 } else 1331 error = ENOENT; 1332 } else { 1333 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1334 } 1335 return error; 1336 } 1337 1338 static __noinline int 1339 setmlme_common(struct ieee80211vap *vap, int op, 1340 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1341 { 1342 struct ieee80211com *ic = vap->iv_ic; 1343 struct ieee80211_node_table *nt = &ic->ic_sta; 1344 struct ieee80211_node *ni; 1345 struct mlmeop mlmeop; 1346 int error; 1347 1348 error = 0; 1349 switch (op) { 1350 case IEEE80211_MLME_DISASSOC: 1351 case IEEE80211_MLME_DEAUTH: 1352 switch (vap->iv_opmode) { 1353 case IEEE80211_M_STA: 1354 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1355 /* XXX not quite right */ 1356 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1357 break; 1358 case IEEE80211_M_HOSTAP: 1359 mlmeop.vap = vap; 1360 mlmeop.op = op; 1361 mlmeop.reason = reason; 1362 error = setmlme_dropsta(vap, mac, &mlmeop); 1363 break; 1364 case IEEE80211_M_WDS: 1365 /* XXX user app should send raw frame? */ 1366 if (op != IEEE80211_MLME_DEAUTH) { 1367 error = EINVAL; 1368 break; 1369 } 1370 #if 0 1371 /* XXX accept any address, simplifies user code */ 1372 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1373 error = EINVAL; 1374 break; 1375 } 1376 #endif 1377 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1378 ni = ieee80211_ref_node(vap->iv_bss); 1379 IEEE80211_SEND_MGMT(ni, 1380 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1381 ieee80211_free_node(ni); 1382 break; 1383 default: 1384 error = EINVAL; 1385 break; 1386 } 1387 break; 1388 case IEEE80211_MLME_AUTHORIZE: 1389 case IEEE80211_MLME_UNAUTHORIZE: 1390 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1391 vap->iv_opmode != IEEE80211_M_WDS) { 1392 error = EINVAL; 1393 break; 1394 } 1395 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1396 if (ni != NULL) { 1397 mlmedebug(vap, mac, op, reason); 1398 if (op == IEEE80211_MLME_AUTHORIZE) 1399 ieee80211_node_authorize(ni); 1400 else 1401 ieee80211_node_unauthorize(ni); 1402 ieee80211_free_node(ni); 1403 } else 1404 error = ENOENT; 1405 break; 1406 case IEEE80211_MLME_AUTH: 1407 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1408 error = EINVAL; 1409 break; 1410 } 1411 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1412 if (ni != NULL) { 1413 mlmedebug(vap, mac, op, reason); 1414 if (reason == IEEE80211_STATUS_SUCCESS) { 1415 IEEE80211_SEND_MGMT(ni, 1416 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1417 /* 1418 * For shared key auth, just continue the 1419 * exchange. Otherwise when 802.1x is not in 1420 * use mark the port authorized at this point 1421 * so traffic can flow. 1422 */ 1423 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1424 ni->ni_challenge == NULL) 1425 ieee80211_node_authorize(ni); 1426 } else { 1427 vap->iv_stats.is_rx_acl++; 1428 ieee80211_send_error(ni, ni->ni_macaddr, 1429 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1430 ieee80211_node_leave(ni); 1431 } 1432 ieee80211_free_node(ni); 1433 } else 1434 error = ENOENT; 1435 break; 1436 default: 1437 error = EINVAL; 1438 break; 1439 } 1440 return error; 1441 } 1442 1443 struct scanlookup { 1444 const uint8_t *mac; 1445 int esslen; 1446 const uint8_t *essid; 1447 const struct ieee80211_scan_entry *se; 1448 }; 1449 1450 /* 1451 * Match mac address and any ssid. 1452 */ 1453 static void 1454 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1455 { 1456 struct scanlookup *look = arg; 1457 1458 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1459 return; 1460 if (look->esslen != 0) { 1461 if (se->se_ssid[1] != look->esslen) 1462 return; 1463 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1464 return; 1465 } 1466 look->se = se; 1467 } 1468 1469 static __noinline int 1470 setmlme_assoc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1471 int ssid_len, const uint8_t ssid[IEEE80211_NWID_LEN]) 1472 { 1473 struct scanlookup lookup; 1474 1475 /* XXX ibss/ahdemo */ 1476 if (vap->iv_opmode != IEEE80211_M_STA) 1477 return EINVAL; 1478 1479 /* NB: this is racey if roaming is !manual */ 1480 lookup.se = NULL; 1481 lookup.mac = mac; 1482 lookup.esslen = ssid_len; 1483 lookup.essid = ssid; 1484 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1485 if (lookup.se == NULL) 1486 return ENOENT; 1487 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1488 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1489 return EIO; /* XXX unique but could be better */ 1490 return 0; 1491 } 1492 1493 static __noinline int 1494 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1495 { 1496 struct ieee80211req_mlme mlme; 1497 int error; 1498 1499 if (ireq->i_len != sizeof(mlme)) 1500 return EINVAL; 1501 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1502 if (error) 1503 return error; 1504 if (mlme.im_op == IEEE80211_MLME_ASSOC) 1505 return setmlme_assoc(vap, mlme.im_macaddr, 1506 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1507 else 1508 return setmlme_common(vap, mlme.im_op, 1509 mlme.im_macaddr, mlme.im_reason); 1510 } 1511 1512 static __noinline int 1513 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1514 { 1515 uint8_t mac[IEEE80211_ADDR_LEN]; 1516 const struct ieee80211_aclator *acl = vap->iv_acl; 1517 int error; 1518 1519 if (ireq->i_len != sizeof(mac)) 1520 return EINVAL; 1521 error = copyin(ireq->i_data, mac, ireq->i_len); 1522 if (error) 1523 return error; 1524 if (acl == NULL) { 1525 acl = ieee80211_aclator_get("mac"); 1526 if (acl == NULL || !acl->iac_attach(vap)) 1527 return EINVAL; 1528 vap->iv_acl = acl; 1529 } 1530 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1531 acl->iac_add(vap, mac); 1532 else 1533 acl->iac_remove(vap, mac); 1534 return 0; 1535 } 1536 1537 static __noinline int 1538 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1539 { 1540 const struct ieee80211_aclator *acl = vap->iv_acl; 1541 1542 switch (ireq->i_val) { 1543 case IEEE80211_MACCMD_POLICY_OPEN: 1544 case IEEE80211_MACCMD_POLICY_ALLOW: 1545 case IEEE80211_MACCMD_POLICY_DENY: 1546 case IEEE80211_MACCMD_POLICY_RADIUS: 1547 if (acl == NULL) { 1548 acl = ieee80211_aclator_get("mac"); 1549 if (acl == NULL || !acl->iac_attach(vap)) 1550 return EINVAL; 1551 vap->iv_acl = acl; 1552 } 1553 acl->iac_setpolicy(vap, ireq->i_val); 1554 break; 1555 case IEEE80211_MACCMD_FLUSH: 1556 if (acl != NULL) 1557 acl->iac_flush(vap); 1558 /* NB: silently ignore when not in use */ 1559 break; 1560 case IEEE80211_MACCMD_DETACH: 1561 if (acl != NULL) { 1562 vap->iv_acl = NULL; 1563 acl->iac_detach(vap); 1564 } 1565 break; 1566 default: 1567 if (acl == NULL) 1568 return EINVAL; 1569 else 1570 return acl->iac_setioctl(vap, ireq); 1571 } 1572 return 0; 1573 } 1574 1575 static __noinline int 1576 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1577 { 1578 struct ieee80211com *ic = vap->iv_ic; 1579 uint8_t *chanlist, *list; 1580 int i, nchan, maxchan, error; 1581 1582 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1583 ireq->i_len = sizeof(ic->ic_chan_active); 1584 list = kmalloc(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1585 M_INTWAIT | M_ZERO); 1586 if (list == NULL) 1587 return ENOMEM; 1588 error = copyin(ireq->i_data, list, ireq->i_len); 1589 if (error) { 1590 kfree(list, M_TEMP); 1591 return error; 1592 } 1593 nchan = 0; 1594 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1595 maxchan = ireq->i_len * NBBY; 1596 for (i = 0; i < ic->ic_nchans; i++) { 1597 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1598 /* 1599 * Calculate the intersection of the user list and the 1600 * available channels so users can do things like specify 1601 * 1-255 to get all available channels. 1602 */ 1603 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1604 setbit(chanlist, c->ic_ieee); 1605 nchan++; 1606 } 1607 } 1608 if (nchan == 0) { 1609 kfree(list, M_TEMP); 1610 return EINVAL; 1611 } 1612 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1613 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1614 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1615 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1616 ieee80211_scan_flush(vap); 1617 kfree(list, M_TEMP); 1618 return ENETRESET; 1619 } 1620 1621 static __noinline int 1622 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1623 { 1624 struct ieee80211_node *ni; 1625 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1626 int error; 1627 1628 /* 1629 * NB: we could copyin ieee80211req_sta_stats so apps 1630 * could make selective changes but that's overkill; 1631 * just clear all stats for now. 1632 */ 1633 if (ireq->i_len < IEEE80211_ADDR_LEN) 1634 return EINVAL; 1635 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1636 if (error != 0) 1637 return error; 1638 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1639 if (ni == NULL) 1640 return ENOENT; 1641 /* XXX require ni_vap == vap? */ 1642 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1643 ieee80211_free_node(ni); 1644 return 0; 1645 } 1646 1647 static __noinline int 1648 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1649 { 1650 struct ieee80211_node *ni; 1651 struct ieee80211req_sta_txpow txpow; 1652 int error; 1653 1654 if (ireq->i_len != sizeof(txpow)) 1655 return EINVAL; 1656 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1657 if (error != 0) 1658 return error; 1659 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1660 if (ni == NULL) 1661 return ENOENT; 1662 ni->ni_txpower = txpow.it_txpow; 1663 ieee80211_free_node(ni); 1664 return error; 1665 } 1666 1667 static __noinline int 1668 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1669 { 1670 struct ieee80211com *ic = vap->iv_ic; 1671 struct ieee80211_wme_state *wme = &ic->ic_wme; 1672 struct wmeParams *wmep, *chanp; 1673 int isbss, ac; 1674 1675 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1676 return EOPNOTSUPP; 1677 1678 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1679 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1680 if (ac >= WME_NUM_AC) 1681 ac = WME_AC_BE; 1682 if (isbss) { 1683 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1684 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1685 } else { 1686 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1687 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1688 } 1689 switch (ireq->i_type) { 1690 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1691 if (isbss) { 1692 wmep->wmep_logcwmin = ireq->i_val; 1693 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1694 chanp->wmep_logcwmin = ireq->i_val; 1695 } else { 1696 wmep->wmep_logcwmin = chanp->wmep_logcwmin = 1697 ireq->i_val; 1698 } 1699 break; 1700 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1701 if (isbss) { 1702 wmep->wmep_logcwmax = ireq->i_val; 1703 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1704 chanp->wmep_logcwmax = ireq->i_val; 1705 } else { 1706 wmep->wmep_logcwmax = chanp->wmep_logcwmax = 1707 ireq->i_val; 1708 } 1709 break; 1710 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1711 if (isbss) { 1712 wmep->wmep_aifsn = ireq->i_val; 1713 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1714 chanp->wmep_aifsn = ireq->i_val; 1715 } else { 1716 wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val; 1717 } 1718 break; 1719 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1720 if (isbss) { 1721 wmep->wmep_txopLimit = ireq->i_val; 1722 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1723 chanp->wmep_txopLimit = ireq->i_val; 1724 } else { 1725 wmep->wmep_txopLimit = chanp->wmep_txopLimit = 1726 ireq->i_val; 1727 } 1728 break; 1729 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1730 wmep->wmep_acm = ireq->i_val; 1731 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1732 chanp->wmep_acm = ireq->i_val; 1733 break; 1734 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1735 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1736 (ireq->i_val) == 0; 1737 break; 1738 } 1739 ieee80211_wme_updateparams(vap); 1740 return 0; 1741 } 1742 1743 static int 1744 find11gchannel(struct ieee80211com *ic, int start, int freq) 1745 { 1746 const struct ieee80211_channel *c; 1747 int i; 1748 1749 for (i = start+1; i < ic->ic_nchans; i++) { 1750 c = &ic->ic_channels[i]; 1751 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1752 return 1; 1753 } 1754 /* NB: should not be needed but in case things are mis-sorted */ 1755 for (i = 0; i < start; i++) { 1756 c = &ic->ic_channels[i]; 1757 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1758 return 1; 1759 } 1760 return 0; 1761 } 1762 1763 static struct ieee80211_channel * 1764 findchannel(struct ieee80211com *ic, int ieee, int mode) 1765 { 1766 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1767 [IEEE80211_MODE_AUTO] = 0, 1768 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1769 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1770 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1771 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1772 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1773 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1774 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1775 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1776 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1777 /* NB: handled specially below */ 1778 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1779 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1780 }; 1781 u_int modeflags; 1782 int i; 1783 1784 modeflags = chanflags[mode]; 1785 for (i = 0; i < ic->ic_nchans; i++) { 1786 struct ieee80211_channel *c = &ic->ic_channels[i]; 1787 1788 if (c->ic_ieee != ieee) 1789 continue; 1790 if (mode == IEEE80211_MODE_AUTO) { 1791 /* ignore turbo channels for autoselect */ 1792 if (IEEE80211_IS_CHAN_TURBO(c)) 1793 continue; 1794 /* 1795 * XXX special-case 11b/g channels so we 1796 * always select the g channel if both 1797 * are present. 1798 * XXX prefer HT to non-HT? 1799 */ 1800 if (!IEEE80211_IS_CHAN_B(c) || 1801 !find11gchannel(ic, i, c->ic_freq)) 1802 return c; 1803 } else { 1804 /* must check HT specially */ 1805 if ((mode == IEEE80211_MODE_11NA || 1806 mode == IEEE80211_MODE_11NG) && 1807 !IEEE80211_IS_CHAN_HT(c)) 1808 continue; 1809 if ((c->ic_flags & modeflags) == modeflags) 1810 return c; 1811 } 1812 } 1813 return NULL; 1814 } 1815 1816 /* 1817 * Check the specified against any desired mode (aka netband). 1818 * This is only used (presently) when operating in hostap mode 1819 * to enforce consistency. 1820 */ 1821 static int 1822 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1823 { 1824 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1825 1826 switch (mode) { 1827 case IEEE80211_MODE_11B: 1828 return (IEEE80211_IS_CHAN_B(c)); 1829 case IEEE80211_MODE_11G: 1830 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1831 case IEEE80211_MODE_11A: 1832 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1833 case IEEE80211_MODE_STURBO_A: 1834 return (IEEE80211_IS_CHAN_STURBO(c)); 1835 case IEEE80211_MODE_11NA: 1836 return (IEEE80211_IS_CHAN_HTA(c)); 1837 case IEEE80211_MODE_11NG: 1838 return (IEEE80211_IS_CHAN_HTG(c)); 1839 } 1840 return 1; 1841 1842 } 1843 1844 /* 1845 * Common code to set the current channel. If the device 1846 * is up and running this may result in an immediate channel 1847 * change or a kick of the state machine. 1848 */ 1849 static int 1850 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 1851 { 1852 struct ieee80211com *ic = vap->iv_ic; 1853 int error; 1854 1855 if (c != IEEE80211_CHAN_ANYC) { 1856 if (IEEE80211_IS_CHAN_RADAR(c)) 1857 return EBUSY; /* XXX better code? */ 1858 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 1859 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 1860 return EINVAL; 1861 if (!check_mode_consistency(c, vap->iv_des_mode)) 1862 return EINVAL; 1863 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 1864 if (IEEE80211_IS_CHAN_NOADHOC(c)) 1865 return EINVAL; 1866 } 1867 if (vap->iv_state == IEEE80211_S_RUN && 1868 vap->iv_bss->ni_chan == c) 1869 return 0; /* NB: nothing to do */ 1870 } 1871 vap->iv_des_chan = c; 1872 1873 error = 0; 1874 if (vap->iv_opmode == IEEE80211_M_MONITOR && 1875 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1876 /* 1877 * Monitor mode can switch directly. 1878 */ 1879 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 1880 /* XXX need state machine for other vap's to follow */ 1881 ieee80211_setcurchan(ic, vap->iv_des_chan); 1882 vap->iv_bss->ni_chan = ic->ic_curchan; 1883 } else 1884 ic->ic_curchan = vap->iv_des_chan; 1885 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1886 } else { 1887 /* 1888 * Need to go through the state machine in case we 1889 * need to reassociate or the like. The state machine 1890 * will pickup the desired channel and avoid scanning. 1891 */ 1892 if (IS_UP_AUTO(vap)) 1893 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 1894 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1895 /* 1896 * When not up+running and a real channel has 1897 * been specified fix the current channel so 1898 * there is immediate feedback; e.g. via ifconfig. 1899 */ 1900 ic->ic_curchan = vap->iv_des_chan; 1901 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1902 } 1903 } 1904 return error; 1905 } 1906 1907 /* 1908 * Old api for setting the current channel; this is 1909 * deprecated because channel numbers are ambiguous. 1910 */ 1911 static __noinline int 1912 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 1913 const struct ieee80211req *ireq) 1914 { 1915 struct ieee80211com *ic = vap->iv_ic; 1916 struct ieee80211_channel *c; 1917 1918 /* XXX 0xffff overflows 16-bit signed */ 1919 if (ireq->i_val == 0 || 1920 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 1921 c = IEEE80211_CHAN_ANYC; 1922 } else { 1923 struct ieee80211_channel *c2; 1924 1925 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 1926 if (c == NULL) { 1927 c = findchannel(ic, ireq->i_val, 1928 IEEE80211_MODE_AUTO); 1929 if (c == NULL) 1930 return EINVAL; 1931 } 1932 /* 1933 * Fine tune channel selection based on desired mode: 1934 * if 11b is requested, find the 11b version of any 1935 * 11g channel returned, 1936 * if static turbo, find the turbo version of any 1937 * 11a channel return, 1938 * if 11na is requested, find the ht version of any 1939 * 11a channel returned, 1940 * if 11ng is requested, find the ht version of any 1941 * 11g channel returned, 1942 * otherwise we should be ok with what we've got. 1943 */ 1944 switch (vap->iv_des_mode) { 1945 case IEEE80211_MODE_11B: 1946 if (IEEE80211_IS_CHAN_ANYG(c)) { 1947 c2 = findchannel(ic, ireq->i_val, 1948 IEEE80211_MODE_11B); 1949 /* NB: should not happen, =>'s 11g w/o 11b */ 1950 if (c2 != NULL) 1951 c = c2; 1952 } 1953 break; 1954 case IEEE80211_MODE_TURBO_A: 1955 if (IEEE80211_IS_CHAN_A(c)) { 1956 c2 = findchannel(ic, ireq->i_val, 1957 IEEE80211_MODE_TURBO_A); 1958 if (c2 != NULL) 1959 c = c2; 1960 } 1961 break; 1962 case IEEE80211_MODE_11NA: 1963 if (IEEE80211_IS_CHAN_A(c)) { 1964 c2 = findchannel(ic, ireq->i_val, 1965 IEEE80211_MODE_11NA); 1966 if (c2 != NULL) 1967 c = c2; 1968 } 1969 break; 1970 case IEEE80211_MODE_11NG: 1971 if (IEEE80211_IS_CHAN_ANYG(c)) { 1972 c2 = findchannel(ic, ireq->i_val, 1973 IEEE80211_MODE_11NG); 1974 if (c2 != NULL) 1975 c = c2; 1976 } 1977 break; 1978 default: /* NB: no static turboG */ 1979 break; 1980 } 1981 } 1982 return setcurchan(vap, c); 1983 } 1984 1985 /* 1986 * New/current api for setting the current channel; a complete 1987 * channel description is provide so there is no ambiguity in 1988 * identifying the channel. 1989 */ 1990 static __noinline int 1991 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 1992 const struct ieee80211req *ireq) 1993 { 1994 struct ieee80211com *ic = vap->iv_ic; 1995 struct ieee80211_channel chan, *c; 1996 int error; 1997 1998 if (ireq->i_len != sizeof(chan)) 1999 return EINVAL; 2000 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2001 if (error != 0) 2002 return error; 2003 /* XXX 0xffff overflows 16-bit signed */ 2004 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2005 c = IEEE80211_CHAN_ANYC; 2006 } else { 2007 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2008 if (c == NULL) 2009 return EINVAL; 2010 } 2011 return setcurchan(vap, c); 2012 } 2013 2014 static __noinline int 2015 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2016 const struct ieee80211req *ireq) 2017 { 2018 struct ieee80211_regdomain_req *reg; 2019 int nchans, error; 2020 2021 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2022 sizeof(struct ieee80211_channel)); 2023 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2024 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2025 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2026 ireq->i_len, nchans); 2027 return EINVAL; 2028 } 2029 reg = (struct ieee80211_regdomain_req *) 2030 kmalloc(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, M_INTWAIT); 2031 if (reg == NULL) { 2032 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2033 "%s: no memory, nchans %d\n", __func__, nchans); 2034 return ENOMEM; 2035 } 2036 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2037 if (error == 0) { 2038 /* NB: validate inline channel count against storage size */ 2039 if (reg->chaninfo.ic_nchans != nchans) { 2040 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2041 "%s: chan cnt mismatch, %d != %d\n", __func__, 2042 reg->chaninfo.ic_nchans, nchans); 2043 error = EINVAL; 2044 } else 2045 error = ieee80211_setregdomain(vap, reg); 2046 } 2047 kfree(reg, M_TEMP); 2048 2049 return (error == 0 ? ENETRESET : error); 2050 } 2051 2052 static int 2053 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2054 const struct ieee80211req *ireq) 2055 { 2056 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2057 return EINVAL; 2058 /* XXX validate params */ 2059 /* XXX? ENETRESET to push to device? */ 2060 return copyin(ireq->i_data, vap->iv_roamparms, 2061 sizeof(vap->iv_roamparms)); 2062 } 2063 2064 static int 2065 checkrate(const struct ieee80211_rateset *rs, int rate) 2066 { 2067 int i; 2068 2069 if (rate == IEEE80211_FIXED_RATE_NONE) 2070 return 1; 2071 for (i = 0; i < rs->rs_nrates; i++) 2072 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2073 return 1; 2074 return 0; 2075 } 2076 2077 static int 2078 checkmcs(int mcs) 2079 { 2080 if (mcs == IEEE80211_FIXED_RATE_NONE) 2081 return 1; 2082 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2083 return 0; 2084 return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */ 2085 } 2086 2087 static __noinline int 2088 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2089 const struct ieee80211req *ireq) 2090 { 2091 struct ieee80211com *ic = vap->iv_ic; 2092 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2093 struct ieee80211_txparam *src, *dst; 2094 const struct ieee80211_rateset *rs; 2095 int error, mode, changed, is11n, nmodes; 2096 2097 /* NB: accept short requests for backwards compat */ 2098 if (ireq->i_len > sizeof(parms)) 2099 return EINVAL; 2100 error = copyin(ireq->i_data, &parms, ireq->i_len); 2101 if (error != 0) 2102 return error; 2103 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2104 changed = 0; 2105 /* validate parameters and check if anything changed */ 2106 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2107 if (isclr(ic->ic_modecaps, mode)) 2108 continue; 2109 src = &parms.params[mode]; 2110 dst = &vap->iv_txparms[mode]; 2111 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2112 is11n = (mode == IEEE80211_MODE_11NA || 2113 mode == IEEE80211_MODE_11NG); 2114 if (src->ucastrate != dst->ucastrate) { 2115 if (!checkrate(rs, src->ucastrate) && 2116 (!is11n || !checkmcs(src->ucastrate))) 2117 return EINVAL; 2118 changed++; 2119 } 2120 if (src->mcastrate != dst->mcastrate) { 2121 if (!checkrate(rs, src->mcastrate) && 2122 (!is11n || !checkmcs(src->mcastrate))) 2123 return EINVAL; 2124 changed++; 2125 } 2126 if (src->mgmtrate != dst->mgmtrate) { 2127 if (!checkrate(rs, src->mgmtrate) && 2128 (!is11n || !checkmcs(src->mgmtrate))) 2129 return EINVAL; 2130 changed++; 2131 } 2132 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2133 changed++; 2134 } 2135 if (changed) { 2136 /* 2137 * Copy new parameters in place and notify the 2138 * driver so it can push state to the device. 2139 */ 2140 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2141 if (isset(ic->ic_modecaps, mode)) 2142 vap->iv_txparms[mode] = parms.params[mode]; 2143 } 2144 /* XXX could be more intelligent, 2145 e.g. don't reset if setting not being used */ 2146 return ENETRESET; 2147 } 2148 return 0; 2149 } 2150 2151 /* 2152 * Application Information Element support. 2153 */ 2154 static int 2155 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2156 { 2157 struct ieee80211_appie *app = *aie; 2158 struct ieee80211_appie *napp; 2159 int error; 2160 2161 if (ireq->i_len == 0) { /* delete any existing ie */ 2162 if (app != NULL) { 2163 *aie = NULL; /* XXX racey */ 2164 kfree(app, M_80211_NODE_IE); 2165 } 2166 return 0; 2167 } 2168 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2169 return EINVAL; 2170 /* 2171 * Allocate a new appie structure and copy in the user data. 2172 * When done swap in the new structure. Note that we do not 2173 * guard against users holding a ref to the old structure; 2174 * this must be handled outside this code. 2175 * 2176 * XXX bad bad bad 2177 */ 2178 napp = (struct ieee80211_appie *) kmalloc( 2179 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, 2180 M_INTWAIT); 2181 if (napp == NULL) 2182 return ENOMEM; 2183 /* XXX holding ic lock */ 2184 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2185 if (error) { 2186 kfree(napp, M_80211_NODE_IE); 2187 return error; 2188 } 2189 napp->ie_len = ireq->i_len; 2190 *aie = napp; 2191 if (app != NULL) 2192 kfree(app, M_80211_NODE_IE); 2193 return 0; 2194 } 2195 2196 static void 2197 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2198 { 2199 /* validate data is present as best we can */ 2200 if (space == 0 || 2+ie[1] > space) 2201 return; 2202 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2203 vap->iv_wpa_ie = ie; 2204 else if (ie[0] == IEEE80211_ELEMID_RSN) 2205 vap->iv_rsn_ie = ie; 2206 } 2207 2208 static __noinline int 2209 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2210 const struct ieee80211req *ireq, int fc0) 2211 { 2212 int error; 2213 2214 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2215 case IEEE80211_FC0_SUBTYPE_BEACON: 2216 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2217 vap->iv_opmode != IEEE80211_M_IBSS) { 2218 error = EINVAL; 2219 break; 2220 } 2221 error = setappie(&vap->iv_appie_beacon, ireq); 2222 if (error == 0) 2223 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2224 break; 2225 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2226 error = setappie(&vap->iv_appie_proberesp, ireq); 2227 break; 2228 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2229 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2230 error = setappie(&vap->iv_appie_assocresp, ireq); 2231 else 2232 error = EINVAL; 2233 break; 2234 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2235 error = setappie(&vap->iv_appie_probereq, ireq); 2236 break; 2237 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2238 if (vap->iv_opmode == IEEE80211_M_STA) 2239 error = setappie(&vap->iv_appie_assocreq, ireq); 2240 else 2241 error = EINVAL; 2242 break; 2243 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2244 error = setappie(&vap->iv_appie_wpa, ireq); 2245 if (error == 0) { 2246 /* 2247 * Must split single blob of data into separate 2248 * WPA and RSN ie's because they go in different 2249 * locations in the mgt frames. 2250 * XXX use IEEE80211_IOC_WPA2 so user code does split 2251 */ 2252 vap->iv_wpa_ie = NULL; 2253 vap->iv_rsn_ie = NULL; 2254 if (vap->iv_appie_wpa != NULL) { 2255 struct ieee80211_appie *appie = 2256 vap->iv_appie_wpa; 2257 uint8_t *data = appie->ie_data; 2258 2259 /* XXX ie length validate is painful, cheat */ 2260 setwparsnie(vap, data, appie->ie_len); 2261 setwparsnie(vap, data + 2 + data[1], 2262 appie->ie_len - (2 + data[1])); 2263 } 2264 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2265 vap->iv_opmode == IEEE80211_M_IBSS) { 2266 /* 2267 * Must rebuild beacon frame as the update 2268 * mechanism doesn't handle WPA/RSN ie's. 2269 * Could extend it but it doesn't normally 2270 * change; this is just to deal with hostapd 2271 * plumbing the ie after the interface is up. 2272 */ 2273 error = ENETRESET; 2274 } 2275 } 2276 break; 2277 default: 2278 error = EINVAL; 2279 break; 2280 } 2281 return error; 2282 } 2283 2284 static __noinline int 2285 ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2286 const struct ieee80211req *ireq) 2287 { 2288 int error; 2289 uint8_t fc0; 2290 2291 fc0 = ireq->i_val & 0xff; 2292 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2293 return EINVAL; 2294 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2295 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2296 return error; 2297 } 2298 2299 static __noinline int 2300 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2301 { 2302 struct ieee80211com *ic = vap->iv_ic; 2303 struct ieee80211_chanswitch_req csr; 2304 struct ieee80211_channel *c; 2305 int error; 2306 2307 if (ireq->i_len != sizeof(csr)) 2308 return EINVAL; 2309 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2310 if (error != 0) 2311 return error; 2312 /* XXX adhoc mode not supported */ 2313 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2314 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2315 return EOPNOTSUPP; 2316 c = ieee80211_find_channel(ic, 2317 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2318 if (c == NULL) 2319 return ENOENT; 2320 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2321 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2322 else if (csr.csa_count == 0) 2323 ieee80211_csa_cancelswitch(ic); 2324 else 2325 error = EBUSY; 2326 return error; 2327 } 2328 2329 static __noinline int 2330 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2331 { 2332 #define IEEE80211_IOC_SCAN_FLAGS \ 2333 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2334 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2335 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2336 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2337 IEEE80211_IOC_SCAN_CHECK) 2338 struct ieee80211com *ic = vap->iv_ic; 2339 struct ieee80211_scan_req sr; /* XXX off stack? */ 2340 int error, i; 2341 2342 /* NB: parent must be running */ 2343 if ((ic->ic_ifp->if_flags & IFF_RUNNING) == 0) 2344 return ENXIO; 2345 2346 if (ireq->i_len != sizeof(sr)) 2347 return EINVAL; 2348 error = copyin(ireq->i_data, &sr, sizeof(sr)); 2349 if (error != 0) 2350 return error; 2351 /* convert duration */ 2352 if (sr.sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2353 sr.sr_duration = IEEE80211_SCAN_FOREVER; 2354 else { 2355 if (sr.sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2356 sr.sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2357 return EINVAL; 2358 sr.sr_duration = msecs_to_ticks(sr.sr_duration); 2359 if (sr.sr_duration < 1) 2360 sr.sr_duration = 1; 2361 } 2362 /* convert min/max channel dwell */ 2363 if (sr.sr_mindwell != 0) { 2364 sr.sr_mindwell = msecs_to_ticks(sr.sr_mindwell); 2365 if (sr.sr_mindwell < 1) 2366 sr.sr_mindwell = 1; 2367 } 2368 if (sr.sr_maxdwell != 0) { 2369 sr.sr_maxdwell = msecs_to_ticks(sr.sr_maxdwell); 2370 if (sr.sr_maxdwell < 1) 2371 sr.sr_maxdwell = 1; 2372 } 2373 /* NB: silently reduce ssid count to what is supported */ 2374 if (sr.sr_nssid > IEEE80211_SCAN_MAX_SSID) 2375 sr.sr_nssid = IEEE80211_SCAN_MAX_SSID; 2376 for (i = 0; i < sr.sr_nssid; i++) 2377 if (sr.sr_ssid[i].len > IEEE80211_NWID_LEN) 2378 return EINVAL; 2379 /* cleanse flags just in case, could reject if invalid flags */ 2380 sr.sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2381 /* 2382 * Add an implicit NOPICK if the vap is not marked UP. This 2383 * allows applications to scan without joining a bss (or picking 2384 * a channel and setting up a bss) and without forcing manual 2385 * roaming mode--you just need to mark the parent device UP. 2386 */ 2387 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2388 sr.sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2389 2390 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2391 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2392 __func__, sr.sr_flags, 2393 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2394 sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell, sr.sr_nssid); 2395 /* 2396 * If we are in INIT state then the driver has never had a chance 2397 * to setup hardware state to do a scan; we must use the state 2398 * machine to get us up to the SCAN state but once we reach SCAN 2399 * state we then want to use the supplied params. Stash the 2400 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2401 * state machines will recognize this and use the stashed params 2402 * to issue the scan request. 2403 * 2404 * Otherwise just invoke the scan machinery directly. 2405 */ 2406 if (vap->iv_state == IEEE80211_S_INIT) { 2407 /* NB: clobbers previous settings */ 2408 vap->iv_scanreq_flags = sr.sr_flags; 2409 vap->iv_scanreq_duration = sr.sr_duration; 2410 vap->iv_scanreq_nssid = sr.sr_nssid; 2411 for (i = 0; i < sr.sr_nssid; i++) { 2412 vap->iv_scanreq_ssid[i].len = sr.sr_ssid[i].len; 2413 memcpy(vap->iv_scanreq_ssid[i].ssid, sr.sr_ssid[i].ssid, 2414 sr.sr_ssid[i].len); 2415 } 2416 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2417 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2418 } else { 2419 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2420 /* XXX neeed error return codes */ 2421 if (sr.sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2422 (void) ieee80211_check_scan(vap, sr.sr_flags, 2423 sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell, 2424 sr.sr_nssid, 2425 /* NB: cheat, we assume structures are compatible */ 2426 (const struct ieee80211_scan_ssid *) &sr.sr_ssid[0]); 2427 } else { 2428 (void) ieee80211_start_scan(vap, sr.sr_flags, 2429 sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell, 2430 sr.sr_nssid, 2431 /* NB: cheat, we assume structures are compatible */ 2432 (const struct ieee80211_scan_ssid *) &sr.sr_ssid[0]); 2433 } 2434 } 2435 return error; 2436 #undef IEEE80211_IOC_SCAN_FLAGS 2437 } 2438 2439 static __noinline int 2440 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2441 { 2442 struct ieee80211_node *ni; 2443 struct ieee80211req_sta_vlan vlan; 2444 int error; 2445 2446 if (ireq->i_len != sizeof(vlan)) 2447 return EINVAL; 2448 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2449 if (error != 0) 2450 return error; 2451 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2452 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2453 vlan.sv_macaddr); 2454 if (ni == NULL) 2455 return ENOENT; 2456 } else 2457 ni = ieee80211_ref_node(vap->iv_bss); 2458 ni->ni_vlan = vlan.sv_vlan; 2459 ieee80211_free_node(ni); 2460 return error; 2461 } 2462 2463 static int 2464 isvap11g(const struct ieee80211vap *vap) 2465 { 2466 const struct ieee80211_node *bss = vap->iv_bss; 2467 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2468 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2469 } 2470 2471 static int 2472 isvapht(const struct ieee80211vap *vap) 2473 { 2474 const struct ieee80211_node *bss = vap->iv_bss; 2475 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2476 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2477 } 2478 2479 /* 2480 * Dummy ioctl set handler so the linker set is defined. 2481 */ 2482 static int 2483 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2484 { 2485 return ENOSYS; 2486 } 2487 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2488 2489 static int 2490 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2491 { 2492 ieee80211_ioctl_setfunc * const *set; 2493 int error; 2494 2495 SET_FOREACH(set, ieee80211_ioctl_setset) { 2496 error = (*set)(vap, ireq); 2497 if (error != ENOSYS) 2498 return error; 2499 } 2500 return EINVAL; 2501 } 2502 2503 static __noinline int 2504 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2505 { 2506 struct ieee80211com *ic = vap->iv_ic; 2507 int error; 2508 const struct ieee80211_authenticator *auth; 2509 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2510 char tmpssid[IEEE80211_NWID_LEN]; 2511 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2512 struct ieee80211_key *k; 2513 u_int kid; 2514 uint32_t flags; 2515 2516 error = 0; 2517 switch (ireq->i_type) { 2518 case IEEE80211_IOC_SSID: 2519 if (ireq->i_val != 0 || 2520 ireq->i_len > IEEE80211_NWID_LEN) 2521 return EINVAL; 2522 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2523 if (error) 2524 break; 2525 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2526 vap->iv_des_ssid[0].len = ireq->i_len; 2527 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2528 vap->iv_des_nssid = (ireq->i_len > 0); 2529 error = ENETRESET; 2530 break; 2531 case IEEE80211_IOC_WEP: 2532 switch (ireq->i_val) { 2533 case IEEE80211_WEP_OFF: 2534 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2535 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2536 break; 2537 case IEEE80211_WEP_ON: 2538 vap->iv_flags |= IEEE80211_F_PRIVACY; 2539 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2540 break; 2541 case IEEE80211_WEP_MIXED: 2542 vap->iv_flags |= IEEE80211_F_PRIVACY; 2543 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2544 break; 2545 } 2546 error = ENETRESET; 2547 break; 2548 case IEEE80211_IOC_WEPKEY: 2549 kid = (u_int) ireq->i_val; 2550 if (kid >= IEEE80211_WEP_NKID) 2551 return EINVAL; 2552 k = &vap->iv_nw_keys[kid]; 2553 if (ireq->i_len == 0) { 2554 /* zero-len =>'s delete any existing key */ 2555 (void) ieee80211_crypto_delkey(vap, k); 2556 break; 2557 } 2558 if (ireq->i_len > sizeof(tmpkey)) 2559 return EINVAL; 2560 memset(tmpkey, 0, sizeof(tmpkey)); 2561 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2562 if (error) 2563 break; 2564 ieee80211_key_update_begin(vap); 2565 k->wk_keyix = kid; /* NB: force fixed key id */ 2566 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2567 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2568 k->wk_keylen = ireq->i_len; 2569 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2570 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2571 if (!ieee80211_crypto_setkey(vap, k)) 2572 error = EINVAL; 2573 } else 2574 error = EINVAL; 2575 ieee80211_key_update_end(vap); 2576 break; 2577 case IEEE80211_IOC_WEPTXKEY: 2578 kid = (u_int) ireq->i_val; 2579 if (kid >= IEEE80211_WEP_NKID && 2580 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2581 return EINVAL; 2582 vap->iv_def_txkey = kid; 2583 break; 2584 case IEEE80211_IOC_AUTHMODE: 2585 switch (ireq->i_val) { 2586 case IEEE80211_AUTH_WPA: 2587 case IEEE80211_AUTH_8021X: /* 802.1x */ 2588 case IEEE80211_AUTH_OPEN: /* open */ 2589 case IEEE80211_AUTH_SHARED: /* shared-key */ 2590 case IEEE80211_AUTH_AUTO: /* auto */ 2591 auth = ieee80211_authenticator_get(ireq->i_val); 2592 if (auth == NULL) 2593 return EINVAL; 2594 break; 2595 default: 2596 return EINVAL; 2597 } 2598 switch (ireq->i_val) { 2599 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2600 vap->iv_flags |= IEEE80211_F_PRIVACY; 2601 ireq->i_val = IEEE80211_AUTH_8021X; 2602 break; 2603 case IEEE80211_AUTH_OPEN: /* open */ 2604 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2605 break; 2606 case IEEE80211_AUTH_SHARED: /* shared-key */ 2607 case IEEE80211_AUTH_8021X: /* 802.1x */ 2608 vap->iv_flags &= ~IEEE80211_F_WPA; 2609 /* both require a key so mark the PRIVACY capability */ 2610 vap->iv_flags |= IEEE80211_F_PRIVACY; 2611 break; 2612 case IEEE80211_AUTH_AUTO: /* auto */ 2613 vap->iv_flags &= ~IEEE80211_F_WPA; 2614 /* XXX PRIVACY handling? */ 2615 /* XXX what's the right way to do this? */ 2616 break; 2617 } 2618 /* NB: authenticator attach/detach happens on state change */ 2619 vap->iv_bss->ni_authmode = ireq->i_val; 2620 /* XXX mixed/mode/usage? */ 2621 vap->iv_auth = auth; 2622 error = ENETRESET; 2623 break; 2624 case IEEE80211_IOC_CHANNEL: 2625 error = ieee80211_ioctl_setchannel(vap, ireq); 2626 break; 2627 case IEEE80211_IOC_POWERSAVE: 2628 switch (ireq->i_val) { 2629 case IEEE80211_POWERSAVE_OFF: 2630 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2631 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2632 error = ERESTART; 2633 } 2634 break; 2635 case IEEE80211_POWERSAVE_ON: 2636 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2637 error = EOPNOTSUPP; 2638 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2639 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2640 error = ERESTART; 2641 } 2642 break; 2643 default: 2644 error = EINVAL; 2645 break; 2646 } 2647 break; 2648 case IEEE80211_IOC_POWERSAVESLEEP: 2649 if (ireq->i_val < 0) 2650 return EINVAL; 2651 ic->ic_lintval = ireq->i_val; 2652 error = ERESTART; 2653 break; 2654 case IEEE80211_IOC_RTSTHRESHOLD: 2655 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2656 ireq->i_val <= IEEE80211_RTS_MAX)) 2657 return EINVAL; 2658 vap->iv_rtsthreshold = ireq->i_val; 2659 error = ERESTART; 2660 break; 2661 case IEEE80211_IOC_PROTMODE: 2662 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2663 return EINVAL; 2664 ic->ic_protmode = ireq->i_val; 2665 /* NB: if not operating in 11g this can wait */ 2666 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2667 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2668 error = ERESTART; 2669 break; 2670 case IEEE80211_IOC_TXPOWER: 2671 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2672 return EOPNOTSUPP; 2673 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2674 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2675 return EINVAL; 2676 ic->ic_txpowlimit = ireq->i_val; 2677 error = ERESTART; 2678 break; 2679 case IEEE80211_IOC_ROAMING: 2680 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2681 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2682 return EINVAL; 2683 vap->iv_roaming = ireq->i_val; 2684 /* XXXX reset? */ 2685 break; 2686 case IEEE80211_IOC_PRIVACY: 2687 if (ireq->i_val) { 2688 /* XXX check for key state? */ 2689 vap->iv_flags |= IEEE80211_F_PRIVACY; 2690 } else 2691 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2692 /* XXX ERESTART? */ 2693 break; 2694 case IEEE80211_IOC_DROPUNENCRYPTED: 2695 if (ireq->i_val) 2696 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2697 else 2698 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2699 /* XXX ERESTART? */ 2700 break; 2701 case IEEE80211_IOC_WPAKEY: 2702 error = ieee80211_ioctl_setkey(vap, ireq); 2703 break; 2704 case IEEE80211_IOC_DELKEY: 2705 error = ieee80211_ioctl_delkey(vap, ireq); 2706 break; 2707 case IEEE80211_IOC_MLME: 2708 error = ieee80211_ioctl_setmlme(vap, ireq); 2709 break; 2710 case IEEE80211_IOC_COUNTERMEASURES: 2711 if (ireq->i_val) { 2712 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2713 return EOPNOTSUPP; 2714 vap->iv_flags |= IEEE80211_F_COUNTERM; 2715 } else 2716 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2717 /* XXX ERESTART? */ 2718 break; 2719 case IEEE80211_IOC_WPA: 2720 if (ireq->i_val > 3) 2721 return EINVAL; 2722 /* XXX verify ciphers available */ 2723 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2724 switch (ireq->i_val) { 2725 case 1: 2726 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2727 return EOPNOTSUPP; 2728 flags |= IEEE80211_F_WPA1; 2729 break; 2730 case 2: 2731 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2732 return EOPNOTSUPP; 2733 flags |= IEEE80211_F_WPA2; 2734 break; 2735 case 3: 2736 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2737 return EOPNOTSUPP; 2738 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2739 break; 2740 default: /* Can't set any -> error */ 2741 return EOPNOTSUPP; 2742 } 2743 vap->iv_flags = flags; 2744 error = ERESTART; /* NB: can change beacon frame */ 2745 break; 2746 case IEEE80211_IOC_WME: 2747 if (ireq->i_val) { 2748 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 2749 return EOPNOTSUPP; 2750 ieee80211_syncflag(vap, IEEE80211_F_WME); 2751 } else 2752 ieee80211_syncflag(vap, -IEEE80211_F_WME); 2753 error = ERESTART; /* NB: can change beacon frame */ 2754 break; 2755 case IEEE80211_IOC_HIDESSID: 2756 if (ireq->i_val) 2757 vap->iv_flags |= IEEE80211_F_HIDESSID; 2758 else 2759 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 2760 error = ERESTART; /* XXX ENETRESET? */ 2761 break; 2762 case IEEE80211_IOC_APBRIDGE: 2763 if (ireq->i_val == 0) 2764 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 2765 else 2766 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 2767 break; 2768 case IEEE80211_IOC_BSSID: 2769 if (ireq->i_len != sizeof(tmpbssid)) 2770 return EINVAL; 2771 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 2772 if (error) 2773 break; 2774 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 2775 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 2776 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 2777 else 2778 vap->iv_flags |= IEEE80211_F_DESBSSID; 2779 error = ENETRESET; 2780 break; 2781 case IEEE80211_IOC_CHANLIST: 2782 error = ieee80211_ioctl_setchanlist(vap, ireq); 2783 break; 2784 #define OLD_IEEE80211_IOC_SCAN_REQ 23 2785 #ifdef OLD_IEEE80211_IOC_SCAN_REQ 2786 case OLD_IEEE80211_IOC_SCAN_REQ: 2787 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2788 "%s: active scan request\n", __func__); 2789 /* 2790 * If we are in INIT state then the driver has never 2791 * had a chance to setup hardware state to do a scan; 2792 * use the state machine to get us up the SCAN state. 2793 * Otherwise just invoke the scan machinery to start 2794 * a one-time scan. 2795 */ 2796 if (vap->iv_state == IEEE80211_S_INIT) 2797 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2798 else 2799 (void) ieee80211_start_scan(vap, 2800 IEEE80211_SCAN_ACTIVE | 2801 IEEE80211_SCAN_NOPICK | 2802 IEEE80211_SCAN_ONCE, 2803 IEEE80211_SCAN_FOREVER, 0, 0, 2804 /* XXX use ioctl params */ 2805 vap->iv_des_nssid, vap->iv_des_ssid); 2806 break; 2807 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 2808 case IEEE80211_IOC_SCAN_REQ: 2809 error = ieee80211_ioctl_scanreq(vap, ireq); 2810 break; 2811 case IEEE80211_IOC_SCAN_CANCEL: 2812 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2813 "%s: cancel scan\n", __func__); 2814 ieee80211_cancel_scan(vap); 2815 break; 2816 case IEEE80211_IOC_HTCONF: 2817 if (ireq->i_val & 1) 2818 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 2819 else 2820 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 2821 if (ireq->i_val & 2) 2822 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 2823 else 2824 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 2825 error = ENETRESET; 2826 break; 2827 case IEEE80211_IOC_ADDMAC: 2828 case IEEE80211_IOC_DELMAC: 2829 error = ieee80211_ioctl_macmac(vap, ireq); 2830 break; 2831 case IEEE80211_IOC_MACCMD: 2832 error = ieee80211_ioctl_setmaccmd(vap, ireq); 2833 break; 2834 case IEEE80211_IOC_STA_STATS: 2835 error = ieee80211_ioctl_setstastats(vap, ireq); 2836 break; 2837 case IEEE80211_IOC_STA_TXPOW: 2838 error = ieee80211_ioctl_setstatxpow(vap, ireq); 2839 break; 2840 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 2841 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 2842 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 2843 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 2844 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 2845 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 2846 error = ieee80211_ioctl_setwmeparam(vap, ireq); 2847 break; 2848 case IEEE80211_IOC_DTIM_PERIOD: 2849 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2850 vap->iv_opmode != IEEE80211_M_MBSS && 2851 vap->iv_opmode != IEEE80211_M_IBSS) 2852 return EINVAL; 2853 if (IEEE80211_DTIM_MIN <= ireq->i_val && 2854 ireq->i_val <= IEEE80211_DTIM_MAX) { 2855 vap->iv_dtim_period = ireq->i_val; 2856 error = ENETRESET; /* requires restart */ 2857 } else 2858 error = EINVAL; 2859 break; 2860 case IEEE80211_IOC_BEACON_INTERVAL: 2861 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2862 vap->iv_opmode != IEEE80211_M_MBSS && 2863 vap->iv_opmode != IEEE80211_M_IBSS) 2864 return EINVAL; 2865 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 2866 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 2867 ic->ic_bintval = ireq->i_val; 2868 error = ENETRESET; /* requires restart */ 2869 } else 2870 error = EINVAL; 2871 break; 2872 case IEEE80211_IOC_PUREG: 2873 if (ireq->i_val) 2874 vap->iv_flags |= IEEE80211_F_PUREG; 2875 else 2876 vap->iv_flags &= ~IEEE80211_F_PUREG; 2877 /* NB: reset only if we're operating on an 11g channel */ 2878 if (isvap11g(vap)) 2879 error = ENETRESET; 2880 break; 2881 case IEEE80211_IOC_BGSCAN: 2882 if (ireq->i_val) { 2883 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 2884 return EOPNOTSUPP; 2885 vap->iv_flags |= IEEE80211_F_BGSCAN; 2886 } else 2887 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 2888 break; 2889 case IEEE80211_IOC_BGSCAN_IDLE: 2890 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 2891 vap->iv_bgscanidle = ireq->i_val*hz/1000; 2892 else 2893 error = EINVAL; 2894 break; 2895 case IEEE80211_IOC_BGSCAN_INTERVAL: 2896 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 2897 vap->iv_bgscanintvl = ireq->i_val*hz; 2898 else 2899 error = EINVAL; 2900 break; 2901 case IEEE80211_IOC_SCANVALID: 2902 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 2903 vap->iv_scanvalid = ireq->i_val*hz; 2904 else 2905 error = EINVAL; 2906 break; 2907 case IEEE80211_IOC_FRAGTHRESHOLD: 2908 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 2909 ireq->i_val != IEEE80211_FRAG_MAX) 2910 return EOPNOTSUPP; 2911 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 2912 ireq->i_val <= IEEE80211_FRAG_MAX)) 2913 return EINVAL; 2914 vap->iv_fragthreshold = ireq->i_val; 2915 error = ERESTART; 2916 break; 2917 case IEEE80211_IOC_BURST: 2918 if (ireq->i_val) { 2919 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 2920 return EOPNOTSUPP; 2921 ieee80211_syncflag(vap, IEEE80211_F_BURST); 2922 } else 2923 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 2924 error = ERESTART; 2925 break; 2926 case IEEE80211_IOC_BMISSTHRESHOLD: 2927 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 2928 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 2929 return EINVAL; 2930 vap->iv_bmissthreshold = ireq->i_val; 2931 error = ERESTART; 2932 break; 2933 case IEEE80211_IOC_CURCHAN: 2934 error = ieee80211_ioctl_setcurchan(vap, ireq); 2935 break; 2936 case IEEE80211_IOC_SHORTGI: 2937 if (ireq->i_val) { 2938 #define IEEE80211_HTCAP_SHORTGI \ 2939 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 2940 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 2941 return EINVAL; 2942 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 2943 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 2944 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 2945 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 2946 #undef IEEE80211_HTCAP_SHORTGI 2947 } else 2948 vap->iv_flags_ht &= 2949 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 2950 error = ERESTART; 2951 break; 2952 case IEEE80211_IOC_AMPDU: 2953 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 2954 return EINVAL; 2955 if (ireq->i_val & 1) 2956 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 2957 else 2958 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 2959 if (ireq->i_val & 2) 2960 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 2961 else 2962 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 2963 /* NB: reset only if we're operating on an 11n channel */ 2964 if (isvapht(vap)) 2965 error = ERESTART; 2966 break; 2967 case IEEE80211_IOC_AMPDU_LIMIT: 2968 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 2969 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 2970 return EINVAL; 2971 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2972 vap->iv_ampdu_rxmax = ireq->i_val; 2973 else 2974 vap->iv_ampdu_limit = ireq->i_val; 2975 error = ERESTART; 2976 break; 2977 case IEEE80211_IOC_AMPDU_DENSITY: 2978 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 2979 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 2980 return EINVAL; 2981 vap->iv_ampdu_density = ireq->i_val; 2982 error = ERESTART; 2983 break; 2984 case IEEE80211_IOC_AMSDU: 2985 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 2986 return EINVAL; 2987 if (ireq->i_val & 1) 2988 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 2989 else 2990 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 2991 if (ireq->i_val & 2) 2992 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 2993 else 2994 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 2995 /* NB: reset only if we're operating on an 11n channel */ 2996 if (isvapht(vap)) 2997 error = ERESTART; 2998 break; 2999 case IEEE80211_IOC_AMSDU_LIMIT: 3000 /* XXX validate */ 3001 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 3002 break; 3003 case IEEE80211_IOC_PUREN: 3004 if (ireq->i_val) { 3005 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3006 return EINVAL; 3007 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3008 } else 3009 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3010 /* NB: reset only if we're operating on an 11n channel */ 3011 if (isvapht(vap)) 3012 error = ERESTART; 3013 break; 3014 case IEEE80211_IOC_DOTH: 3015 if (ireq->i_val) { 3016 #if 0 3017 /* XXX no capability */ 3018 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3019 return EOPNOTSUPP; 3020 #endif 3021 vap->iv_flags |= IEEE80211_F_DOTH; 3022 } else 3023 vap->iv_flags &= ~IEEE80211_F_DOTH; 3024 error = ENETRESET; 3025 break; 3026 case IEEE80211_IOC_REGDOMAIN: 3027 error = ieee80211_ioctl_setregdomain(vap, ireq); 3028 break; 3029 case IEEE80211_IOC_ROAM: 3030 error = ieee80211_ioctl_setroam(vap, ireq); 3031 break; 3032 case IEEE80211_IOC_TXPARAMS: 3033 error = ieee80211_ioctl_settxparams(vap, ireq); 3034 break; 3035 case IEEE80211_IOC_HTCOMPAT: 3036 if (ireq->i_val) { 3037 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3038 return EOPNOTSUPP; 3039 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3040 } else 3041 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 3042 /* NB: reset only if we're operating on an 11n channel */ 3043 if (isvapht(vap)) 3044 error = ERESTART; 3045 break; 3046 case IEEE80211_IOC_DWDS: 3047 if (ireq->i_val) { 3048 /* NB: DWDS only makes sense for WDS-capable devices */ 3049 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3050 return EOPNOTSUPP; 3051 /* NB: DWDS is used only with ap+sta vaps */ 3052 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3053 vap->iv_opmode != IEEE80211_M_STA) 3054 return EINVAL; 3055 vap->iv_flags |= IEEE80211_F_DWDS; 3056 if (vap->iv_opmode == IEEE80211_M_STA) 3057 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3058 } else { 3059 vap->iv_flags &= ~IEEE80211_F_DWDS; 3060 if (vap->iv_opmode == IEEE80211_M_STA) 3061 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3062 } 3063 break; 3064 case IEEE80211_IOC_INACTIVITY: 3065 if (ireq->i_val) 3066 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3067 else 3068 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3069 break; 3070 case IEEE80211_IOC_APPIE: 3071 error = ieee80211_ioctl_setappie(vap, ireq); 3072 break; 3073 case IEEE80211_IOC_WPS: 3074 if (ireq->i_val) { 3075 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3076 return EOPNOTSUPP; 3077 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3078 } else 3079 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3080 break; 3081 case IEEE80211_IOC_TSN: 3082 if (ireq->i_val) { 3083 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3084 return EOPNOTSUPP; 3085 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3086 } else 3087 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3088 break; 3089 case IEEE80211_IOC_CHANSWITCH: 3090 error = ieee80211_ioctl_chanswitch(vap, ireq); 3091 break; 3092 case IEEE80211_IOC_DFS: 3093 if (ireq->i_val) { 3094 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3095 return EOPNOTSUPP; 3096 /* NB: DFS requires 11h support */ 3097 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3098 return EINVAL; 3099 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3100 } else 3101 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3102 break; 3103 case IEEE80211_IOC_DOTD: 3104 if (ireq->i_val) 3105 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3106 else 3107 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3108 if (vap->iv_opmode == IEEE80211_M_STA) 3109 error = ENETRESET; 3110 break; 3111 case IEEE80211_IOC_HTPROTMODE: 3112 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3113 return EINVAL; 3114 ic->ic_htprotmode = ireq->i_val ? 3115 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3116 /* NB: if not operating in 11n this can wait */ 3117 if (isvapht(vap)) 3118 error = ERESTART; 3119 break; 3120 case IEEE80211_IOC_STA_VLAN: 3121 error = ieee80211_ioctl_setstavlan(vap, ireq); 3122 break; 3123 case IEEE80211_IOC_SMPS: 3124 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3125 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3126 return EINVAL; 3127 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3128 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3129 return EOPNOTSUPP; 3130 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3131 ireq->i_val; 3132 /* NB: if not operating in 11n this can wait */ 3133 if (isvapht(vap)) 3134 error = ERESTART; 3135 break; 3136 case IEEE80211_IOC_RIFS: 3137 if (ireq->i_val != 0) { 3138 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3139 return EOPNOTSUPP; 3140 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3141 } else 3142 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3143 /* NB: if not operating in 11n this can wait */ 3144 if (isvapht(vap)) 3145 error = ERESTART; 3146 break; 3147 default: 3148 error = ieee80211_ioctl_setdefault(vap, ireq); 3149 break; 3150 } 3151 /* 3152 * The convention is that ENETRESET means an operation 3153 * requires a complete re-initialization of the device (e.g. 3154 * changing something that affects the association state). 3155 * ERESTART means the request may be handled with only a 3156 * reload of the hardware state. We hand ERESTART requests 3157 * to the iv_reset callback so the driver can decide. If 3158 * a device does not fillin iv_reset then it defaults to one 3159 * that returns ENETRESET. Otherwise a driver may return 3160 * ENETRESET (in which case a full reset will be done) or 3161 * 0 to mean there's no need to do anything (e.g. when the 3162 * change has no effect on the driver/device). 3163 */ 3164 if (error == ERESTART) 3165 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3166 vap->iv_reset(vap, ireq->i_type) : 0; 3167 if (error == ENETRESET) { 3168 /* XXX need to re-think AUTO handling */ 3169 if (IS_UP_AUTO(vap)) 3170 ieee80211_init(vap); 3171 error = 0; 3172 } 3173 return error; 3174 } 3175 3176 /* 3177 * Rebuild the parent's multicast address list after an add/del 3178 * of a multicast address for a vap. We have no way to tell 3179 * what happened above to optimize the work so we purge the entire 3180 * list and rebuild from scratch. This is way expensive. 3181 * Note also the half-baked workaround for if_addmulti calling 3182 * back to the parent device; there's no way to insert mcast 3183 * entries quietly and/or cheaply. 3184 */ 3185 static void 3186 ieee80211_ioctl_updatemulti(struct ieee80211com *ic) 3187 { 3188 struct ifnet *parent = ic->ic_ifp; 3189 struct ieee80211vap *vap; 3190 void *ioctl; 3191 3192 wlan_serialize_exit(); 3193 if_delallmulti(parent); 3194 ioctl = parent->if_ioctl; /* XXX WAR if_allmulti */ 3195 parent->if_ioctl = NULL; 3196 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 3197 struct ifnet *ifp = vap->iv_ifp; 3198 struct ifmultiaddr *ifma; 3199 3200 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 3201 if (ifma->ifma_addr->sa_family != AF_LINK) 3202 continue; 3203 (void) if_addmulti(parent, ifma->ifma_addr, NULL); 3204 } 3205 } 3206 parent->if_ioctl = ioctl; 3207 ieee80211_runtask(ic, &ic->ic_mcast_task); 3208 wlan_serialize_enter(); 3209 } 3210 3211 int 3212 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data, struct ucred *ucred) 3213 { 3214 struct ieee80211vap *vap = ifp->if_softc; 3215 struct ieee80211com *ic = vap->iv_ic; 3216 int error = 0; 3217 struct ifreq *ifr; 3218 3219 wlan_assert_serialized(); 3220 3221 switch (cmd) { 3222 case SIOCSIFFLAGS: 3223 ieee80211_syncifflag_locked(ic, IFF_PROMISC); 3224 ieee80211_syncifflag_locked(ic, IFF_ALLMULTI); 3225 if (ifp->if_flags & IFF_UP) { 3226 /* 3227 * Bring ourself up unless we're already operational. 3228 * If we're the first vap and the parent is not up 3229 * then it will automatically be brought up as a 3230 * side-effect of bringing ourself up. 3231 */ 3232 if (vap->iv_state == IEEE80211_S_INIT) 3233 ieee80211_start_locked(vap); 3234 } else if (ifp->if_flags & IFF_RUNNING) { 3235 /* 3236 * Stop ourself. If we are the last vap to be 3237 * marked down the parent will also be taken down. 3238 */ 3239 ieee80211_stop_locked(vap); 3240 } 3241 /* Wait for parent ioctl handler if it was queued */ 3242 ieee80211_waitfor_parent(ic); 3243 break; 3244 case SIOCADDMULTI: 3245 case SIOCDELMULTI: 3246 ieee80211_ioctl_updatemulti(ic); 3247 break; 3248 case SIOCSIFMEDIA: 3249 case SIOCGIFMEDIA: 3250 ifr = (struct ifreq *)data; 3251 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3252 break; 3253 case SIOCG80211: 3254 error = ieee80211_ioctl_get80211(vap, cmd, 3255 (struct ieee80211req *) data); 3256 break; 3257 case SIOCS80211: 3258 error = priv_check(curthread, PRIV_NET80211_MANAGE); 3259 if (error == 0) 3260 error = ieee80211_ioctl_set80211(vap, cmd, 3261 (struct ieee80211req *) data); 3262 break; 3263 case SIOCG80211STATS: 3264 ifr = (struct ifreq *)data; 3265 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats)); 3266 break; 3267 case SIOCSIFMTU: 3268 ifr = (struct ifreq *)data; 3269 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3270 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3271 error = EINVAL; 3272 else 3273 ifp->if_mtu = ifr->ifr_mtu; 3274 break; 3275 /* Pass NDIS ioctls up to the driver */ 3276 case SIOCGDRVSPEC: 3277 case SIOCSDRVSPEC: 3278 case SIOCGPRIVATE_0: { 3279 struct ifnet *parent = vap->iv_ic->ic_ifp; 3280 error = parent->if_ioctl(parent, cmd, data, ucred); 3281 break; 3282 } 3283 default: 3284 error = ether_ioctl(ifp, cmd, data); 3285 break; 3286 } 3287 return error; 3288 } 3289