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 * $DragonFly$ 28 */ 29 30 /* 31 * IEEE 802.11 ioctl support (DragonFlyBSD-specific) 32 */ 33 34 #include "opt_inet.h" 35 #include "opt_ipx.h" 36 #include "opt_wlan.h" 37 38 #include <sys/endian.h> 39 #include <sys/param.h> 40 #include <sys/kernel.h> 41 #include <sys/priv.h> 42 #include <sys/socket.h> 43 #include <sys/sockio.h> 44 #include <sys/systm.h> 45 46 #include <net/if.h> 47 #include <net/if_var.h> 48 #include <net/if_dl.h> 49 #include <net/if_media.h> 50 #include <net/ethernet.h> 51 #include <net/route.h> 52 53 #ifdef INET 54 #include <netinet/in.h> 55 #include <netinet/if_ether.h> 56 #endif 57 58 #ifdef IPX 59 #include <netproto/ipx/ipx.h> 60 #include <netproto/ipx/ipx_if.h> 61 #endif 62 63 #include <netproto/802_11/ieee80211_var.h> 64 #include <netproto/802_11/ieee80211_ioctl.h> 65 #include <netproto/802_11/ieee80211_regdomain.h> 66 #include <netproto/802_11/ieee80211_input.h> 67 68 #define IS_UP_AUTO(_vap) \ 69 (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \ 70 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO) 71 72 static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 73 static struct ieee80211_channel *findchannel(struct ieee80211com *, 74 int ieee, int mode); 75 76 static __noinline int 77 ieee80211_ioctl_getkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 78 { 79 struct ieee80211com *ic = vap->iv_ic; 80 struct ieee80211_node *ni; 81 struct ieee80211req_key ik; 82 struct ieee80211_key *wk; 83 const struct ieee80211_cipher *cip; 84 u_int kid; 85 int error; 86 87 if (ireq->i_len != sizeof(ik)) 88 return EINVAL; 89 error = copyin(ireq->i_data, &ik, sizeof(ik)); 90 if (error) 91 return error; 92 kid = ik.ik_keyix; 93 if (kid == IEEE80211_KEYIX_NONE) { 94 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr); 95 if (ni == NULL) 96 return ENOENT; 97 wk = &ni->ni_ucastkey; 98 } else { 99 if (kid >= IEEE80211_WEP_NKID) 100 return EINVAL; 101 wk = &vap->iv_nw_keys[kid]; 102 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr); 103 ni = NULL; 104 } 105 cip = wk->wk_cipher; 106 ik.ik_type = cip->ic_cipher; 107 ik.ik_keylen = wk->wk_keylen; 108 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 109 if (wk->wk_keyix == vap->iv_def_txkey) 110 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 111 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 112 /* NB: only root can read key data */ 113 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID]; 114 ik.ik_keytsc = wk->wk_keytsc; 115 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 116 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 117 memcpy(ik.ik_keydata+wk->wk_keylen, 118 wk->wk_key + IEEE80211_KEYBUF_SIZE, 119 IEEE80211_MICBUF_SIZE); 120 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 121 } 122 } else { 123 ik.ik_keyrsc = 0; 124 ik.ik_keytsc = 0; 125 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 126 } 127 if (ni != NULL) 128 ieee80211_free_node(ni); 129 return copyout(&ik, ireq->i_data, sizeof(ik)); 130 } 131 132 static __noinline int 133 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 134 { 135 struct ieee80211com *ic = vap->iv_ic; 136 137 if (sizeof(ic->ic_chan_active) < ireq->i_len) 138 ireq->i_len = sizeof(ic->ic_chan_active); 139 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); 140 } 141 142 static __noinline int 143 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 144 { 145 struct ieee80211com *ic = vap->iv_ic; 146 int space; 147 148 space = __offsetof(struct ieee80211req_chaninfo, 149 ic_chans[ic->ic_nchans]); 150 if (space > ireq->i_len) 151 space = ireq->i_len; 152 /* XXX assumes compatible layout */ 153 return copyout(&ic->ic_nchans, ireq->i_data, space); 154 } 155 156 static __noinline int 157 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap, 158 struct ieee80211req *ireq, int req) 159 { 160 struct ieee80211_node *ni; 161 struct ieee80211req_wpaie2 wpaie; 162 int error; 163 164 if (ireq->i_len < IEEE80211_ADDR_LEN) 165 return EINVAL; 166 error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN); 167 if (error != 0) 168 return error; 169 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie.wpa_macaddr); 170 if (ni == NULL) 171 return ENOENT; 172 memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie)); 173 if (ni->ni_ies.wpa_ie != NULL) { 174 int ielen = ni->ni_ies.wpa_ie[1] + 2; 175 if (ielen > sizeof(wpaie.wpa_ie)) 176 ielen = sizeof(wpaie.wpa_ie); 177 memcpy(wpaie.wpa_ie, ni->ni_ies.wpa_ie, ielen); 178 } 179 if (req == IEEE80211_IOC_WPAIE2) { 180 memset(wpaie.rsn_ie, 0, sizeof(wpaie.rsn_ie)); 181 if (ni->ni_ies.rsn_ie != NULL) { 182 int ielen = ni->ni_ies.rsn_ie[1] + 2; 183 if (ielen > sizeof(wpaie.rsn_ie)) 184 ielen = sizeof(wpaie.rsn_ie); 185 memcpy(wpaie.rsn_ie, ni->ni_ies.rsn_ie, ielen); 186 } 187 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2)) 188 ireq->i_len = sizeof(struct ieee80211req_wpaie2); 189 } else { 190 /* compatibility op, may overwrite wpa ie */ 191 /* XXX check ic_flags? */ 192 if (ni->ni_ies.rsn_ie != NULL) { 193 int ielen = ni->ni_ies.rsn_ie[1] + 2; 194 if (ielen > sizeof(wpaie.wpa_ie)) 195 ielen = sizeof(wpaie.wpa_ie); 196 memcpy(wpaie.wpa_ie, ni->ni_ies.rsn_ie, ielen); 197 } 198 if (ireq->i_len > sizeof(struct ieee80211req_wpaie)) 199 ireq->i_len = sizeof(struct ieee80211req_wpaie); 200 } 201 ieee80211_free_node(ni); 202 return copyout(&wpaie, ireq->i_data, ireq->i_len); 203 } 204 205 static __noinline int 206 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 207 { 208 struct ieee80211_node *ni; 209 uint8_t macaddr[IEEE80211_ADDR_LEN]; 210 const int off = __offsetof(struct ieee80211req_sta_stats, is_stats); 211 int error; 212 213 if (ireq->i_len < off) 214 return EINVAL; 215 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 216 if (error != 0) 217 return error; 218 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 219 if (ni == NULL) 220 return ENOENT; 221 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 222 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 223 /* NB: copy out only the statistics */ 224 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off, 225 ireq->i_len - off); 226 ieee80211_free_node(ni); 227 return error; 228 } 229 230 struct scanreq { 231 struct ieee80211req_scan_result *sr; 232 size_t space; 233 }; 234 235 static size_t 236 scan_space(const struct ieee80211_scan_entry *se, int *ielen) 237 { 238 size_t len; 239 240 *ielen = se->se_ies.len; 241 /* 242 * NB: ie's can be no more than 255 bytes and the max 802.11 243 * packet is <3Kbytes so we are sure this doesn't overflow 244 * 16-bits; if this is a concern we can drop the ie's. 245 */ 246 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + 247 se->se_meshid[1] + *ielen; 248 return roundup(len, sizeof(uint32_t)); 249 } 250 251 static void 252 get_scan_space(void *arg, const struct ieee80211_scan_entry *se) 253 { 254 struct scanreq *req = arg; 255 int ielen; 256 257 req->space += scan_space(se, &ielen); 258 } 259 260 static __noinline void 261 get_scan_result(void *arg, const struct ieee80211_scan_entry *se) 262 { 263 struct scanreq *req = arg; 264 struct ieee80211req_scan_result *sr; 265 int ielen, len, nr, nxr; 266 uint8_t *cp; 267 268 len = scan_space(se, &ielen); 269 if (len > req->space) 270 return; 271 272 sr = req->sr; 273 KASSERT(len <= 65535 && ielen <= 65535, 274 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen)); 275 sr->isr_len = len; 276 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result); 277 sr->isr_ie_len = ielen; 278 sr->isr_freq = se->se_chan->ic_freq; 279 sr->isr_flags = se->se_chan->ic_flags; 280 sr->isr_rssi = se->se_rssi; 281 sr->isr_noise = se->se_noise; 282 sr->isr_intval = se->se_intval; 283 sr->isr_capinfo = se->se_capinfo; 284 sr->isr_erp = se->se_erp; 285 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid); 286 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE); 287 memcpy(sr->isr_rates, se->se_rates+2, nr); 288 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr); 289 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr); 290 sr->isr_nrates = nr + nxr; 291 292 /* copy SSID */ 293 sr->isr_ssid_len = se->se_ssid[1]; 294 cp = ((uint8_t *)sr) + sr->isr_ie_off; 295 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len); 296 297 /* copy mesh id */ 298 cp += sr->isr_ssid_len; 299 sr->isr_meshid_len = se->se_meshid[1]; 300 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len); 301 cp += sr->isr_meshid_len; 302 303 if (ielen) 304 memcpy(cp, se->se_ies.data, ielen); 305 306 req->space -= len; 307 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len); 308 } 309 310 static __noinline int 311 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap, 312 struct ieee80211req *ireq) 313 { 314 struct scanreq req; 315 int error; 316 317 if (ireq->i_len < sizeof(struct scanreq)) 318 return EFAULT; 319 320 error = 0; 321 req.space = 0; 322 ieee80211_scan_iterate(vap, get_scan_space, &req); 323 if (req.space > ireq->i_len) 324 req.space = ireq->i_len; 325 if (req.space > 0) { 326 size_t space; 327 void *p; 328 329 space = req.space; 330 /* XXX M_WAITOK after driver lock released */ 331 p = kmalloc(space, M_TEMP, M_INTWAIT | M_ZERO); 332 if (p == NULL) 333 return ENOMEM; 334 req.sr = p; 335 ieee80211_scan_iterate(vap, get_scan_result, &req); 336 ireq->i_len = space - req.space; 337 error = copyout(p, ireq->i_data, ireq->i_len); 338 kfree(p, M_TEMP); 339 } else 340 ireq->i_len = 0; 341 342 return error; 343 } 344 345 struct stainforeq { 346 struct ieee80211vap *vap; 347 struct ieee80211req_sta_info *si; 348 size_t space; 349 }; 350 351 static size_t 352 sta_space(const struct ieee80211_node *ni, size_t *ielen) 353 { 354 *ielen = ni->ni_ies.len; 355 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, 356 sizeof(uint32_t)); 357 } 358 359 static void 360 get_sta_space(void *arg, struct ieee80211_node *ni) 361 { 362 struct stainforeq *req = arg; 363 size_t ielen; 364 365 if (req->vap != ni->ni_vap) 366 return; 367 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP && 368 ni->ni_associd == 0) /* only associated stations */ 369 return; 370 req->space += sta_space(ni, &ielen); 371 } 372 373 static __noinline void 374 get_sta_info(void *arg, struct ieee80211_node *ni) 375 { 376 struct stainforeq *req = arg; 377 struct ieee80211vap *vap = ni->ni_vap; 378 struct ieee80211req_sta_info *si; 379 size_t ielen, len; 380 uint8_t *cp; 381 382 if (req->vap != ni->ni_vap) 383 return; 384 if (vap->iv_opmode == IEEE80211_M_HOSTAP && 385 ni->ni_associd == 0) /* only associated stations */ 386 return; 387 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 388 return; 389 len = sta_space(ni, &ielen); 390 if (len > req->space) 391 return; 392 si = req->si; 393 si->isi_len = len; 394 si->isi_ie_off = sizeof(struct ieee80211req_sta_info); 395 si->isi_ie_len = ielen; 396 si->isi_freq = ni->ni_chan->ic_freq; 397 si->isi_flags = ni->ni_chan->ic_flags; 398 si->isi_state = ni->ni_flags; 399 si->isi_authmode = ni->ni_authmode; 400 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise); 401 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo); 402 si->isi_capinfo = ni->ni_capinfo; 403 si->isi_erp = ni->ni_erp; 404 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 405 si->isi_nrates = ni->ni_rates.rs_nrates; 406 if (si->isi_nrates > 15) 407 si->isi_nrates = 15; 408 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 409 si->isi_txrate = ni->ni_txrate; 410 if (si->isi_txrate & IEEE80211_RATE_MCS) { 411 const struct ieee80211_mcs_rates *mcs = 412 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS]; 413 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) { 414 if (ni->ni_flags & IEEE80211_NODE_SGI40) 415 si->isi_txmbps = mcs->ht40_rate_800ns; 416 else 417 si->isi_txmbps = mcs->ht40_rate_400ns; 418 } else { 419 if (ni->ni_flags & IEEE80211_NODE_SGI20) 420 si->isi_txmbps = mcs->ht20_rate_800ns; 421 else 422 si->isi_txmbps = mcs->ht20_rate_400ns; 423 } 424 } else 425 si->isi_txmbps = si->isi_txrate; 426 si->isi_associd = ni->ni_associd; 427 si->isi_txpower = ni->ni_txpower; 428 si->isi_vlan = ni->ni_vlan; 429 if (ni->ni_flags & IEEE80211_NODE_QOS) { 430 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 431 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 432 } else { 433 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID]; 434 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID]; 435 } 436 /* NB: leave all cases in case we relax ni_associd == 0 check */ 437 if (ieee80211_node_is_authorized(ni)) 438 si->isi_inact = vap->iv_inact_run; 439 else if (ni->ni_associd != 0 || 440 (vap->iv_opmode == IEEE80211_M_WDS && 441 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY))) 442 si->isi_inact = vap->iv_inact_auth; 443 else 444 si->isi_inact = vap->iv_inact_init; 445 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 446 si->isi_localid = ni->ni_mllid; 447 si->isi_peerid = ni->ni_mlpid; 448 si->isi_peerstate = ni->ni_mlstate; 449 450 if (ielen) { 451 cp = ((uint8_t *)si) + si->isi_ie_off; 452 memcpy(cp, ni->ni_ies.data, ielen); 453 } 454 455 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len); 456 req->space -= len; 457 } 458 459 static __noinline int 460 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq, 461 struct ieee80211_node *ni, int off) 462 { 463 struct ieee80211com *ic = vap->iv_ic; 464 struct stainforeq req; 465 size_t space; 466 void *p; 467 int error; 468 469 error = 0; 470 req.space = 0; 471 req.vap = vap; 472 if (ni == NULL) 473 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req); 474 else 475 get_sta_space(&req, ni); 476 if (req.space > ireq->i_len) 477 req.space = ireq->i_len; 478 if (req.space > 0) { 479 space = req.space; 480 /* XXX M_WAITOK after driver lock released */ 481 p = kmalloc(space, M_TEMP, M_INTWAIT | M_ZERO); 482 if (p == NULL) { 483 error = ENOMEM; 484 goto bad; 485 } 486 req.si = p; 487 if (ni == NULL) 488 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req); 489 else 490 get_sta_info(&req, ni); 491 ireq->i_len = space - req.space; 492 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len); 493 kfree(p, M_TEMP); 494 } else 495 ireq->i_len = 0; 496 bad: 497 if (ni != NULL) 498 ieee80211_free_node(ni); 499 return error; 500 } 501 502 static __noinline int 503 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 504 { 505 uint8_t macaddr[IEEE80211_ADDR_LEN]; 506 const int off = __offsetof(struct ieee80211req_sta_req, info); 507 struct ieee80211_node *ni; 508 int error; 509 510 if (ireq->i_len < sizeof(struct ieee80211req_sta_req)) 511 return EFAULT; 512 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 513 if (error != 0) 514 return error; 515 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) { 516 ni = NULL; 517 } else { 518 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 519 if (ni == NULL) 520 return ENOENT; 521 } 522 return getstainfo_common(vap, ireq, ni, off); 523 } 524 525 static __noinline int 526 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 527 { 528 struct ieee80211_node *ni; 529 struct ieee80211req_sta_txpow txpow; 530 int error; 531 532 if (ireq->i_len != sizeof(txpow)) 533 return EINVAL; 534 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 535 if (error != 0) 536 return error; 537 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 538 if (ni == NULL) 539 return ENOENT; 540 txpow.it_txpow = ni->ni_txpower; 541 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 542 ieee80211_free_node(ni); 543 return error; 544 } 545 546 static __noinline int 547 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 548 { 549 struct ieee80211com *ic = vap->iv_ic; 550 struct ieee80211_wme_state *wme = &ic->ic_wme; 551 struct wmeParams *wmep; 552 int ac; 553 554 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 555 return EINVAL; 556 557 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 558 if (ac >= WME_NUM_AC) 559 ac = WME_AC_BE; 560 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 561 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 562 else 563 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 564 switch (ireq->i_type) { 565 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 566 ireq->i_val = wmep->wmep_logcwmin; 567 break; 568 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 569 ireq->i_val = wmep->wmep_logcwmax; 570 break; 571 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 572 ireq->i_val = wmep->wmep_aifsn; 573 break; 574 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 575 ireq->i_val = wmep->wmep_txopLimit; 576 break; 577 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 578 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 579 ireq->i_val = wmep->wmep_acm; 580 break; 581 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 582 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 583 ireq->i_val = !wmep->wmep_noackPolicy; 584 break; 585 } 586 return 0; 587 } 588 589 static __noinline int 590 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 591 { 592 const struct ieee80211_aclator *acl = vap->iv_acl; 593 594 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq)); 595 } 596 597 static __noinline int 598 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq) 599 { 600 struct ieee80211com *ic = vap->iv_ic; 601 struct ieee80211_channel *c; 602 603 if (ireq->i_len != sizeof(struct ieee80211_channel)) 604 return EINVAL; 605 /* 606 * vap's may have different operating channels when HT is 607 * in use. When in RUN state report the vap-specific channel. 608 * Otherwise return curchan. 609 */ 610 if (vap->iv_state == IEEE80211_S_RUN) 611 c = vap->iv_bss->ni_chan; 612 else 613 c = ic->ic_curchan; 614 return copyout(c, ireq->i_data, sizeof(*c)); 615 } 616 617 static int 618 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq) 619 { 620 if (aie == NULL) 621 return EINVAL; 622 /* NB: truncate, caller can check length */ 623 if (ireq->i_len > aie->ie_len) 624 ireq->i_len = aie->ie_len; 625 return copyout(aie->ie_data, ireq->i_data, ireq->i_len); 626 } 627 628 static int 629 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq) 630 { 631 uint8_t fc0; 632 633 fc0 = ireq->i_val & 0xff; 634 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 635 return EINVAL; 636 /* NB: could check iv_opmode and reject but hardly worth the effort */ 637 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 638 case IEEE80211_FC0_SUBTYPE_BEACON: 639 return getappie(vap->iv_appie_beacon, ireq); 640 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 641 return getappie(vap->iv_appie_proberesp, ireq); 642 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 643 return getappie(vap->iv_appie_assocresp, ireq); 644 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 645 return getappie(vap->iv_appie_probereq, ireq); 646 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 647 return getappie(vap->iv_appie_assocreq, ireq); 648 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP: 649 return getappie(vap->iv_appie_wpa, ireq); 650 } 651 return EINVAL; 652 } 653 654 static __noinline int 655 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap, 656 const struct ieee80211req *ireq) 657 { 658 struct ieee80211com *ic = vap->iv_ic; 659 660 if (ireq->i_len != sizeof(ic->ic_regdomain)) 661 return EINVAL; 662 return copyout(&ic->ic_regdomain, ireq->i_data, 663 sizeof(ic->ic_regdomain)); 664 } 665 666 static __noinline int 667 ieee80211_ioctl_getroam(struct ieee80211vap *vap, 668 const struct ieee80211req *ireq) 669 { 670 size_t len = ireq->i_len; 671 /* NB: accept short requests for backwards compat */ 672 if (len > sizeof(vap->iv_roamparms)) 673 len = sizeof(vap->iv_roamparms); 674 return copyout(vap->iv_roamparms, ireq->i_data, len); 675 } 676 677 static __noinline int 678 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap, 679 const struct ieee80211req *ireq) 680 { 681 size_t len = ireq->i_len; 682 /* NB: accept short requests for backwards compat */ 683 if (len > sizeof(vap->iv_txparms)) 684 len = sizeof(vap->iv_txparms); 685 return copyout(vap->iv_txparms, ireq->i_data, len); 686 } 687 688 static __noinline int 689 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic, 690 const struct ieee80211req *ireq) 691 { 692 struct ieee80211_devcaps_req *dc; 693 struct ieee80211req_chaninfo *ci; 694 int maxchans, error; 695 696 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) / 697 sizeof(struct ieee80211_channel)); 698 /* NB: require 1 so we know ic_nchans is accessible */ 699 if (maxchans < 1) 700 return EINVAL; 701 /* constrain max request size, 2K channels is ~24Kbytes */ 702 if (maxchans > 2048) 703 maxchans = 2048; 704 dc = (struct ieee80211_devcaps_req *) 705 kmalloc(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, 706 M_INTWAIT | M_ZERO); 707 if (dc == NULL) 708 return ENOMEM; 709 dc->dc_drivercaps = ic->ic_caps; 710 dc->dc_cryptocaps = ic->ic_cryptocaps; 711 dc->dc_htcaps = ic->ic_htcaps; 712 ci = &dc->dc_chaninfo; 713 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans); 714 KASSERT(ci->ic_nchans <= maxchans, 715 ("nchans %d maxchans %d", ci->ic_nchans, maxchans)); 716 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans); 717 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc)); 718 kfree(dc, M_TEMP); 719 return error; 720 } 721 722 static __noinline int 723 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 724 { 725 struct ieee80211_node *ni; 726 struct ieee80211req_sta_vlan vlan; 727 int error; 728 729 if (ireq->i_len != sizeof(vlan)) 730 return EINVAL; 731 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 732 if (error != 0) 733 return error; 734 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 735 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 736 vlan.sv_macaddr); 737 if (ni == NULL) 738 return ENOENT; 739 } else 740 ni = ieee80211_ref_node(vap->iv_bss); 741 vlan.sv_vlan = ni->ni_vlan; 742 error = copyout(&vlan, ireq->i_data, sizeof(vlan)); 743 ieee80211_free_node(ni); 744 return error; 745 } 746 747 /* 748 * Dummy ioctl get handler so the linker set is defined. 749 */ 750 static int 751 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq) 752 { 753 return ENOSYS; 754 } 755 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get); 756 757 static int 758 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 759 { 760 ieee80211_ioctl_getfunc * const *get; 761 int error; 762 763 SET_FOREACH(get, ieee80211_ioctl_getset) { 764 error = (*get)(vap, ireq); 765 if (error != ENOSYS) 766 return error; 767 } 768 return EINVAL; 769 } 770 771 /* 772 * When building the kernel with -O2 on the i386 architecture, gcc 773 * seems to want to inline this function into ieee80211_ioctl() 774 * (which is the only routine that calls it). When this happens, 775 * ieee80211_ioctl() ends up consuming an additional 2K of stack 776 * space. (Exactly why it needs so much is unclear.) The problem 777 * is that it's possible for ieee80211_ioctl() to invoke other 778 * routines (including driver init functions) which could then find 779 * themselves perilously close to exhausting the stack. 780 * 781 * To avoid this, we deliberately prevent gcc from inlining this 782 * routine. Another way to avoid this is to use less agressive 783 * optimization when compiling this file (i.e. -O instead of -O2) 784 * but special-casing the compilation of this one module in the 785 * build system would be awkward. 786 */ 787 static __noinline int 788 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd, 789 struct ieee80211req *ireq) 790 { 791 #define MS(_v, _f) (((_v) & _f) >> _f##_S) 792 struct ieee80211com *ic = vap->iv_ic; 793 u_int kid, len; 794 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 795 char tmpssid[IEEE80211_NWID_LEN]; 796 int error = 0; 797 798 switch (ireq->i_type) { 799 case IEEE80211_IOC_SSID: 800 switch (vap->iv_state) { 801 case IEEE80211_S_INIT: 802 case IEEE80211_S_SCAN: 803 ireq->i_len = vap->iv_des_ssid[0].len; 804 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); 805 break; 806 default: 807 ireq->i_len = vap->iv_bss->ni_esslen; 808 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); 809 break; 810 } 811 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 812 break; 813 case IEEE80211_IOC_NUMSSIDS: 814 ireq->i_val = 1; 815 break; 816 case IEEE80211_IOC_WEP: 817 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 818 ireq->i_val = IEEE80211_WEP_OFF; 819 else if (vap->iv_flags & IEEE80211_F_DROPUNENC) 820 ireq->i_val = IEEE80211_WEP_ON; 821 else 822 ireq->i_val = IEEE80211_WEP_MIXED; 823 break; 824 case IEEE80211_IOC_WEPKEY: 825 kid = (u_int) ireq->i_val; 826 if (kid >= IEEE80211_WEP_NKID) 827 return EINVAL; 828 len = (u_int) vap->iv_nw_keys[kid].wk_keylen; 829 /* NB: only root can read WEP keys */ 830 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 831 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); 832 } else { 833 bzero(tmpkey, len); 834 } 835 ireq->i_len = len; 836 error = copyout(tmpkey, ireq->i_data, len); 837 break; 838 case IEEE80211_IOC_NUMWEPKEYS: 839 ireq->i_val = IEEE80211_WEP_NKID; 840 break; 841 case IEEE80211_IOC_WEPTXKEY: 842 ireq->i_val = vap->iv_def_txkey; 843 break; 844 case IEEE80211_IOC_AUTHMODE: 845 if (vap->iv_flags & IEEE80211_F_WPA) 846 ireq->i_val = IEEE80211_AUTH_WPA; 847 else 848 ireq->i_val = vap->iv_bss->ni_authmode; 849 break; 850 case IEEE80211_IOC_CHANNEL: 851 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 852 break; 853 case IEEE80211_IOC_POWERSAVE: 854 if (vap->iv_flags & IEEE80211_F_PMGTON) 855 ireq->i_val = IEEE80211_POWERSAVE_ON; 856 else 857 ireq->i_val = IEEE80211_POWERSAVE_OFF; 858 break; 859 case IEEE80211_IOC_POWERSAVESLEEP: 860 ireq->i_val = ic->ic_lintval; 861 break; 862 case IEEE80211_IOC_RTSTHRESHOLD: 863 ireq->i_val = vap->iv_rtsthreshold; 864 break; 865 case IEEE80211_IOC_PROTMODE: 866 ireq->i_val = ic->ic_protmode; 867 break; 868 case IEEE80211_IOC_TXPOWER: 869 /* 870 * Tx power limit is the min of max regulatory 871 * power, any user-set limit, and the max the 872 * radio can do. 873 */ 874 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; 875 if (ireq->i_val > ic->ic_txpowlimit) 876 ireq->i_val = ic->ic_txpowlimit; 877 if (ireq->i_val > ic->ic_curchan->ic_maxpower) 878 ireq->i_val = ic->ic_curchan->ic_maxpower; 879 break; 880 case IEEE80211_IOC_WPA: 881 switch (vap->iv_flags & IEEE80211_F_WPA) { 882 case IEEE80211_F_WPA1: 883 ireq->i_val = 1; 884 break; 885 case IEEE80211_F_WPA2: 886 ireq->i_val = 2; 887 break; 888 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 889 ireq->i_val = 3; 890 break; 891 default: 892 ireq->i_val = 0; 893 break; 894 } 895 break; 896 case IEEE80211_IOC_CHANLIST: 897 error = ieee80211_ioctl_getchanlist(vap, ireq); 898 break; 899 case IEEE80211_IOC_ROAMING: 900 ireq->i_val = vap->iv_roaming; 901 break; 902 case IEEE80211_IOC_PRIVACY: 903 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; 904 break; 905 case IEEE80211_IOC_DROPUNENCRYPTED: 906 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; 907 break; 908 case IEEE80211_IOC_COUNTERMEASURES: 909 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; 910 break; 911 case IEEE80211_IOC_WME: 912 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; 913 break; 914 case IEEE80211_IOC_HIDESSID: 915 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; 916 break; 917 case IEEE80211_IOC_APBRIDGE: 918 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; 919 break; 920 case IEEE80211_IOC_WPAKEY: 921 error = ieee80211_ioctl_getkey(vap, ireq); 922 break; 923 case IEEE80211_IOC_CHANINFO: 924 error = ieee80211_ioctl_getchaninfo(vap, ireq); 925 break; 926 case IEEE80211_IOC_BSSID: 927 if (ireq->i_len != IEEE80211_ADDR_LEN) 928 return EINVAL; 929 if (vap->iv_state == IEEE80211_S_RUN) { 930 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ? 931 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid, 932 ireq->i_data, ireq->i_len); 933 } else 934 error = copyout(vap->iv_des_bssid, ireq->i_data, 935 ireq->i_len); 936 break; 937 case IEEE80211_IOC_WPAIE: 938 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 939 break; 940 case IEEE80211_IOC_WPAIE2: 941 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 942 break; 943 case IEEE80211_IOC_SCAN_RESULTS: 944 error = ieee80211_ioctl_getscanresults(vap, ireq); 945 break; 946 case IEEE80211_IOC_STA_STATS: 947 error = ieee80211_ioctl_getstastats(vap, ireq); 948 break; 949 case IEEE80211_IOC_TXPOWMAX: 950 ireq->i_val = vap->iv_bss->ni_txpower; 951 break; 952 case IEEE80211_IOC_STA_TXPOW: 953 error = ieee80211_ioctl_getstatxpow(vap, ireq); 954 break; 955 case IEEE80211_IOC_STA_INFO: 956 error = ieee80211_ioctl_getstainfo(vap, ireq); 957 break; 958 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 959 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 960 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 961 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 962 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 963 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 964 error = ieee80211_ioctl_getwmeparam(vap, ireq); 965 break; 966 case IEEE80211_IOC_DTIM_PERIOD: 967 ireq->i_val = vap->iv_dtim_period; 968 break; 969 case IEEE80211_IOC_BEACON_INTERVAL: 970 /* NB: get from ic_bss for station mode */ 971 ireq->i_val = vap->iv_bss->ni_intval; 972 break; 973 case IEEE80211_IOC_PUREG: 974 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; 975 break; 976 case IEEE80211_IOC_BGSCAN: 977 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 978 break; 979 case IEEE80211_IOC_BGSCAN_IDLE: 980 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 981 break; 982 case IEEE80211_IOC_BGSCAN_INTERVAL: 983 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 984 break; 985 case IEEE80211_IOC_SCANVALID: 986 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 987 break; 988 case IEEE80211_IOC_FRAGTHRESHOLD: 989 ireq->i_val = vap->iv_fragthreshold; 990 break; 991 case IEEE80211_IOC_MACCMD: 992 error = ieee80211_ioctl_getmaccmd(vap, ireq); 993 break; 994 case IEEE80211_IOC_BURST: 995 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 996 break; 997 case IEEE80211_IOC_BMISSTHRESHOLD: 998 ireq->i_val = vap->iv_bmissthreshold; 999 break; 1000 case IEEE80211_IOC_CURCHAN: 1001 error = ieee80211_ioctl_getcurchan(vap, ireq); 1002 break; 1003 case IEEE80211_IOC_SHORTGI: 1004 ireq->i_val = 0; 1005 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) 1006 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 1007 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) 1008 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 1009 break; 1010 case IEEE80211_IOC_AMPDU: 1011 ireq->i_val = 0; 1012 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) 1013 ireq->i_val |= 1; 1014 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) 1015 ireq->i_val |= 2; 1016 break; 1017 case IEEE80211_IOC_AMPDU_LIMIT: 1018 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1019 ireq->i_val = vap->iv_ampdu_rxmax; 1020 else if (vap->iv_state == IEEE80211_S_RUN) 1021 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1022 IEEE80211_HTCAP_MAXRXAMPDU); 1023 else 1024 ireq->i_val = vap->iv_ampdu_limit; 1025 break; 1026 case IEEE80211_IOC_AMPDU_DENSITY: 1027 if (vap->iv_opmode == IEEE80211_M_STA && 1028 vap->iv_state == IEEE80211_S_RUN) 1029 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1030 IEEE80211_HTCAP_MPDUDENSITY); 1031 else 1032 ireq->i_val = vap->iv_ampdu_density; 1033 break; 1034 case IEEE80211_IOC_AMSDU: 1035 ireq->i_val = 0; 1036 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) 1037 ireq->i_val |= 1; 1038 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) 1039 ireq->i_val |= 2; 1040 break; 1041 case IEEE80211_IOC_AMSDU_LIMIT: 1042 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1043 break; 1044 case IEEE80211_IOC_PUREN: 1045 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; 1046 break; 1047 case IEEE80211_IOC_DOTH: 1048 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1049 break; 1050 case IEEE80211_IOC_REGDOMAIN: 1051 error = ieee80211_ioctl_getregdomain(vap, ireq); 1052 break; 1053 case IEEE80211_IOC_ROAM: 1054 error = ieee80211_ioctl_getroam(vap, ireq); 1055 break; 1056 case IEEE80211_IOC_TXPARAMS: 1057 error = ieee80211_ioctl_gettxparams(vap, ireq); 1058 break; 1059 case IEEE80211_IOC_HTCOMPAT: 1060 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; 1061 break; 1062 case IEEE80211_IOC_DWDS: 1063 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1064 break; 1065 case IEEE80211_IOC_INACTIVITY: 1066 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1067 break; 1068 case IEEE80211_IOC_APPIE: 1069 error = ieee80211_ioctl_getappie(vap, ireq); 1070 break; 1071 case IEEE80211_IOC_WPS: 1072 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1073 break; 1074 case IEEE80211_IOC_TSN: 1075 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1076 break; 1077 case IEEE80211_IOC_DFS: 1078 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1079 break; 1080 case IEEE80211_IOC_DOTD: 1081 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1082 break; 1083 case IEEE80211_IOC_DEVCAPS: 1084 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1085 break; 1086 case IEEE80211_IOC_HTPROTMODE: 1087 ireq->i_val = ic->ic_htprotmode; 1088 break; 1089 case IEEE80211_IOC_HTCONF: 1090 if (vap->iv_flags_ht & IEEE80211_FHT_HT) { 1091 ireq->i_val = 1; 1092 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) 1093 ireq->i_val |= 2; 1094 } else 1095 ireq->i_val = 0; 1096 break; 1097 case IEEE80211_IOC_STA_VLAN: 1098 error = ieee80211_ioctl_getstavlan(vap, ireq); 1099 break; 1100 case IEEE80211_IOC_SMPS: 1101 if (vap->iv_opmode == IEEE80211_M_STA && 1102 vap->iv_state == IEEE80211_S_RUN) { 1103 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1104 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1105 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1106 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1107 else 1108 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1109 } else 1110 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1111 break; 1112 case IEEE80211_IOC_RIFS: 1113 if (vap->iv_opmode == IEEE80211_M_STA && 1114 vap->iv_state == IEEE80211_S_RUN) 1115 ireq->i_val = 1116 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1117 else 1118 ireq->i_val = 1119 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; 1120 break; 1121 default: 1122 error = ieee80211_ioctl_getdefault(vap, ireq); 1123 break; 1124 } 1125 return error; 1126 #undef MS 1127 } 1128 1129 static __noinline int 1130 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1131 { 1132 struct ieee80211req_key ik; 1133 struct ieee80211_node *ni; 1134 struct ieee80211_key *wk; 1135 uint16_t kid; 1136 int error, i; 1137 1138 if (ireq->i_len != sizeof(ik)) 1139 return EINVAL; 1140 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1141 if (error) 1142 return error; 1143 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1144 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1145 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1146 return E2BIG; 1147 kid = ik.ik_keyix; 1148 if (kid == IEEE80211_KEYIX_NONE) { 1149 /* XXX unicast keys currently must be tx/rx */ 1150 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1151 return EINVAL; 1152 if (vap->iv_opmode == IEEE80211_M_STA) { 1153 ni = ieee80211_ref_node(vap->iv_bss); 1154 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1155 ieee80211_free_node(ni); 1156 return EADDRNOTAVAIL; 1157 } 1158 } else { 1159 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1160 ik.ik_macaddr); 1161 if (ni == NULL) 1162 return ENOENT; 1163 } 1164 wk = &ni->ni_ucastkey; 1165 } else { 1166 if (kid >= IEEE80211_WEP_NKID) 1167 return EINVAL; 1168 wk = &vap->iv_nw_keys[kid]; 1169 /* 1170 * Global slots start off w/o any assigned key index. 1171 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1172 */ 1173 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1174 wk->wk_keyix = kid; 1175 ni = NULL; 1176 } 1177 error = 0; 1178 ieee80211_key_update_begin(vap); 1179 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1180 wk->wk_keylen = ik.ik_keylen; 1181 /* NB: MIC presence is implied by cipher type */ 1182 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1183 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1184 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1185 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1186 wk->wk_keytsc = 0; /* new key, reset */ 1187 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1188 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1189 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1190 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1191 if (!ieee80211_crypto_setkey(vap, wk)) 1192 error = EIO; 1193 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1194 vap->iv_def_txkey = kid; 1195 } else 1196 error = ENXIO; 1197 ieee80211_key_update_end(vap); 1198 if (ni != NULL) 1199 ieee80211_free_node(ni); 1200 return error; 1201 } 1202 1203 static __noinline int 1204 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1205 { 1206 struct ieee80211req_del_key dk; 1207 int kid, error; 1208 1209 if (ireq->i_len != sizeof(dk)) 1210 return EINVAL; 1211 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1212 if (error) 1213 return error; 1214 kid = dk.idk_keyix; 1215 /* XXX uint8_t -> uint16_t */ 1216 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1217 struct ieee80211_node *ni; 1218 1219 if (vap->iv_opmode == IEEE80211_M_STA) { 1220 ni = ieee80211_ref_node(vap->iv_bss); 1221 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1222 ieee80211_free_node(ni); 1223 return EADDRNOTAVAIL; 1224 } 1225 } else { 1226 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1227 dk.idk_macaddr); 1228 if (ni == NULL) 1229 return ENOENT; 1230 } 1231 /* XXX error return */ 1232 ieee80211_node_delucastkey(ni); 1233 ieee80211_free_node(ni); 1234 } else { 1235 if (kid >= IEEE80211_WEP_NKID) 1236 return EINVAL; 1237 /* XXX error return */ 1238 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1239 } 1240 return 0; 1241 } 1242 1243 struct mlmeop { 1244 struct ieee80211vap *vap; 1245 int op; 1246 int reason; 1247 }; 1248 1249 static void 1250 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1251 int op, int reason) 1252 { 1253 #ifdef IEEE80211_DEBUG 1254 static const struct { 1255 int mask; 1256 const char *opstr; 1257 } ops[] = { 1258 { 0, "op#0" }, 1259 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1260 IEEE80211_MSG_ASSOC, "assoc" }, 1261 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1262 IEEE80211_MSG_ASSOC, "disassoc" }, 1263 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1264 IEEE80211_MSG_AUTH, "deauth" }, 1265 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1266 IEEE80211_MSG_AUTH, "authorize" }, 1267 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1268 IEEE80211_MSG_AUTH, "unauthorize" }, 1269 }; 1270 1271 if (op == IEEE80211_MLME_AUTH) { 1272 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1273 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1274 "station authenticate %s via MLME (reason %d)", 1275 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1276 reason); 1277 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1278 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1279 "unknown MLME request %d (reason %d)", op, reason); 1280 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1281 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1282 "station %s via MLME", ops[op].opstr); 1283 } else { 1284 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1285 "station %s via MLME (reason %d)", ops[op].opstr, reason); 1286 } 1287 #endif /* IEEE80211_DEBUG */ 1288 } 1289 1290 static void 1291 domlme(void *arg, struct ieee80211_node *ni) 1292 { 1293 struct mlmeop *mop = arg; 1294 struct ieee80211vap *vap = ni->ni_vap; 1295 1296 if (vap != mop->vap) 1297 return; 1298 /* 1299 * NB: if ni_associd is zero then the node is already cleaned 1300 * up and we don't need to do this (we're safely holding a 1301 * reference but should otherwise not modify it's state). 1302 */ 1303 if (ni->ni_associd == 0) 1304 return; 1305 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1306 if (mop->op == IEEE80211_MLME_DEAUTH) { 1307 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1308 mop->reason); 1309 } else { 1310 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1311 mop->reason); 1312 } 1313 ieee80211_node_leave(ni); 1314 } 1315 1316 static int 1317 setmlme_dropsta(struct ieee80211vap *vap, 1318 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1319 { 1320 struct ieee80211com *ic = vap->iv_ic; 1321 struct ieee80211_node_table *nt = &ic->ic_sta; 1322 struct ieee80211_node *ni; 1323 int error = 0; 1324 1325 /* NB: the broadcast address means do 'em all */ 1326 if (!IEEE80211_ADDR_EQ(mac, ic->ic_ifp->if_broadcastaddr)) { 1327 IEEE80211_NODE_LOCK(nt); 1328 ni = ieee80211_find_node_locked(nt, mac); 1329 if (ni != NULL) { 1330 domlme(mlmeop, ni); 1331 ieee80211_free_node(ni); 1332 } else 1333 error = ENOENT; 1334 IEEE80211_NODE_UNLOCK(nt); 1335 } else { 1336 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1337 } 1338 return error; 1339 } 1340 1341 static __noinline int 1342 setmlme_common(struct ieee80211vap *vap, int op, 1343 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1344 { 1345 struct ieee80211com *ic = vap->iv_ic; 1346 struct ieee80211_node_table *nt = &ic->ic_sta; 1347 struct ieee80211_node *ni; 1348 struct mlmeop mlmeop; 1349 int error; 1350 1351 error = 0; 1352 switch (op) { 1353 case IEEE80211_MLME_DISASSOC: 1354 case IEEE80211_MLME_DEAUTH: 1355 switch (vap->iv_opmode) { 1356 case IEEE80211_M_STA: 1357 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1358 /* XXX not quite right */ 1359 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1360 break; 1361 case IEEE80211_M_HOSTAP: 1362 mlmeop.vap = vap; 1363 mlmeop.op = op; 1364 mlmeop.reason = reason; 1365 error = setmlme_dropsta(vap, mac, &mlmeop); 1366 break; 1367 case IEEE80211_M_WDS: 1368 /* XXX user app should send raw frame? */ 1369 if (op != IEEE80211_MLME_DEAUTH) { 1370 error = EINVAL; 1371 break; 1372 } 1373 #if 0 1374 /* XXX accept any address, simplifies user code */ 1375 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1376 error = EINVAL; 1377 break; 1378 } 1379 #endif 1380 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1381 ni = ieee80211_ref_node(vap->iv_bss); 1382 IEEE80211_SEND_MGMT(ni, 1383 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1384 ieee80211_free_node(ni); 1385 break; 1386 default: 1387 error = EINVAL; 1388 break; 1389 } 1390 break; 1391 case IEEE80211_MLME_AUTHORIZE: 1392 case IEEE80211_MLME_UNAUTHORIZE: 1393 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1394 vap->iv_opmode != IEEE80211_M_WDS) { 1395 error = EINVAL; 1396 break; 1397 } 1398 IEEE80211_NODE_LOCK(nt); 1399 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1400 if (ni != NULL) { 1401 mlmedebug(vap, mac, op, reason); 1402 if (op == IEEE80211_MLME_AUTHORIZE) 1403 ieee80211_node_authorize(ni); 1404 else 1405 ieee80211_node_unauthorize(ni); 1406 ieee80211_free_node(ni); 1407 } else 1408 error = ENOENT; 1409 IEEE80211_NODE_UNLOCK(nt); 1410 break; 1411 case IEEE80211_MLME_AUTH: 1412 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1413 error = EINVAL; 1414 break; 1415 } 1416 IEEE80211_NODE_LOCK(nt); 1417 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1418 if (ni != NULL) { 1419 mlmedebug(vap, mac, op, reason); 1420 if (reason == IEEE80211_STATUS_SUCCESS) { 1421 IEEE80211_SEND_MGMT(ni, 1422 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1423 /* 1424 * For shared key auth, just continue the 1425 * exchange. Otherwise when 802.1x is not in 1426 * use mark the port authorized at this point 1427 * so traffic can flow. 1428 */ 1429 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1430 ni->ni_challenge == NULL) 1431 ieee80211_node_authorize(ni); 1432 } else { 1433 vap->iv_stats.is_rx_acl++; 1434 ieee80211_send_error(ni, ni->ni_macaddr, 1435 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1436 ieee80211_node_leave(ni); 1437 } 1438 ieee80211_free_node(ni); 1439 } else 1440 error = ENOENT; 1441 IEEE80211_NODE_UNLOCK(nt); 1442 break; 1443 default: 1444 error = EINVAL; 1445 break; 1446 } 1447 return error; 1448 } 1449 1450 struct scanlookup { 1451 const uint8_t *mac; 1452 int esslen; 1453 const uint8_t *essid; 1454 const struct ieee80211_scan_entry *se; 1455 }; 1456 1457 /* 1458 * Match mac address and any ssid. 1459 */ 1460 static void 1461 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1462 { 1463 struct scanlookup *look = arg; 1464 1465 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1466 return; 1467 if (look->esslen != 0) { 1468 if (se->se_ssid[1] != look->esslen) 1469 return; 1470 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1471 return; 1472 } 1473 look->se = se; 1474 } 1475 1476 static __noinline int 1477 setmlme_assoc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1478 int ssid_len, const uint8_t ssid[IEEE80211_NWID_LEN]) 1479 { 1480 struct scanlookup lookup; 1481 1482 /* XXX ibss/ahdemo */ 1483 if (vap->iv_opmode != IEEE80211_M_STA) 1484 return EINVAL; 1485 1486 /* NB: this is racey if roaming is !manual */ 1487 lookup.se = NULL; 1488 lookup.mac = mac; 1489 lookup.esslen = ssid_len; 1490 lookup.essid = ssid; 1491 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1492 if (lookup.se == NULL) 1493 return ENOENT; 1494 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1495 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1496 return EIO; /* XXX unique but could be better */ 1497 return 0; 1498 } 1499 1500 static __noinline int 1501 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1502 { 1503 struct ieee80211req_mlme mlme; 1504 int error; 1505 1506 if (ireq->i_len != sizeof(mlme)) 1507 return EINVAL; 1508 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1509 if (error) 1510 return error; 1511 if (mlme.im_op == IEEE80211_MLME_ASSOC) 1512 return setmlme_assoc(vap, mlme.im_macaddr, 1513 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1514 else 1515 return setmlme_common(vap, mlme.im_op, 1516 mlme.im_macaddr, mlme.im_reason); 1517 } 1518 1519 static __noinline int 1520 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1521 { 1522 uint8_t mac[IEEE80211_ADDR_LEN]; 1523 const struct ieee80211_aclator *acl = vap->iv_acl; 1524 int error; 1525 1526 if (ireq->i_len != sizeof(mac)) 1527 return EINVAL; 1528 error = copyin(ireq->i_data, mac, ireq->i_len); 1529 if (error) 1530 return error; 1531 if (acl == NULL) { 1532 acl = ieee80211_aclator_get("mac"); 1533 if (acl == NULL || !acl->iac_attach(vap)) 1534 return EINVAL; 1535 vap->iv_acl = acl; 1536 } 1537 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1538 acl->iac_add(vap, mac); 1539 else 1540 acl->iac_remove(vap, mac); 1541 return 0; 1542 } 1543 1544 static __noinline int 1545 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1546 { 1547 const struct ieee80211_aclator *acl = vap->iv_acl; 1548 1549 switch (ireq->i_val) { 1550 case IEEE80211_MACCMD_POLICY_OPEN: 1551 case IEEE80211_MACCMD_POLICY_ALLOW: 1552 case IEEE80211_MACCMD_POLICY_DENY: 1553 case IEEE80211_MACCMD_POLICY_RADIUS: 1554 if (acl == NULL) { 1555 acl = ieee80211_aclator_get("mac"); 1556 if (acl == NULL || !acl->iac_attach(vap)) 1557 return EINVAL; 1558 vap->iv_acl = acl; 1559 } 1560 acl->iac_setpolicy(vap, ireq->i_val); 1561 break; 1562 case IEEE80211_MACCMD_FLUSH: 1563 if (acl != NULL) 1564 acl->iac_flush(vap); 1565 /* NB: silently ignore when not in use */ 1566 break; 1567 case IEEE80211_MACCMD_DETACH: 1568 if (acl != NULL) { 1569 vap->iv_acl = NULL; 1570 acl->iac_detach(vap); 1571 } 1572 break; 1573 default: 1574 if (acl == NULL) 1575 return EINVAL; 1576 else 1577 return acl->iac_setioctl(vap, ireq); 1578 } 1579 return 0; 1580 } 1581 1582 static __noinline int 1583 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1584 { 1585 struct ieee80211com *ic = vap->iv_ic; 1586 uint8_t *chanlist, *list; 1587 int i, nchan, maxchan, error; 1588 1589 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1590 ireq->i_len = sizeof(ic->ic_chan_active); 1591 list = kmalloc(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1592 M_INTWAIT | M_ZERO); 1593 if (list == NULL) 1594 return ENOMEM; 1595 error = copyin(ireq->i_data, list, ireq->i_len); 1596 if (error) 1597 return error; 1598 nchan = 0; 1599 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1600 maxchan = ireq->i_len * NBBY; 1601 for (i = 0; i < ic->ic_nchans; i++) { 1602 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1603 /* 1604 * Calculate the intersection of the user list and the 1605 * available channels so users can do things like specify 1606 * 1-255 to get all available channels. 1607 */ 1608 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1609 setbit(chanlist, c->ic_ieee); 1610 nchan++; 1611 } 1612 } 1613 if (nchan == 0) 1614 return EINVAL; 1615 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1616 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1617 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1618 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1619 ieee80211_scan_flush(vap); 1620 kfree(list, M_TEMP); 1621 return ENETRESET; 1622 } 1623 1624 static __noinline int 1625 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1626 { 1627 struct ieee80211_node *ni; 1628 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1629 int error; 1630 1631 /* 1632 * NB: we could copyin ieee80211req_sta_stats so apps 1633 * could make selective changes but that's overkill; 1634 * just clear all stats for now. 1635 */ 1636 if (ireq->i_len < IEEE80211_ADDR_LEN) 1637 return EINVAL; 1638 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1639 if (error != 0) 1640 return error; 1641 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1642 if (ni == NULL) 1643 return ENOENT; 1644 /* XXX require ni_vap == vap? */ 1645 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1646 ieee80211_free_node(ni); 1647 return 0; 1648 } 1649 1650 static __noinline int 1651 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1652 { 1653 struct ieee80211_node *ni; 1654 struct ieee80211req_sta_txpow txpow; 1655 int error; 1656 1657 if (ireq->i_len != sizeof(txpow)) 1658 return EINVAL; 1659 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1660 if (error != 0) 1661 return error; 1662 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1663 if (ni == NULL) 1664 return ENOENT; 1665 ni->ni_txpower = txpow.it_txpow; 1666 ieee80211_free_node(ni); 1667 return error; 1668 } 1669 1670 static __noinline int 1671 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1672 { 1673 struct ieee80211com *ic = vap->iv_ic; 1674 struct ieee80211_wme_state *wme = &ic->ic_wme; 1675 struct wmeParams *wmep, *chanp; 1676 int isbss, ac; 1677 1678 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1679 return EOPNOTSUPP; 1680 1681 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1682 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1683 if (ac >= WME_NUM_AC) 1684 ac = WME_AC_BE; 1685 if (isbss) { 1686 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1687 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1688 } else { 1689 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1690 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1691 } 1692 switch (ireq->i_type) { 1693 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1694 if (isbss) { 1695 wmep->wmep_logcwmin = ireq->i_val; 1696 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1697 chanp->wmep_logcwmin = ireq->i_val; 1698 } else { 1699 wmep->wmep_logcwmin = chanp->wmep_logcwmin = 1700 ireq->i_val; 1701 } 1702 break; 1703 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1704 if (isbss) { 1705 wmep->wmep_logcwmax = ireq->i_val; 1706 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1707 chanp->wmep_logcwmax = ireq->i_val; 1708 } else { 1709 wmep->wmep_logcwmax = chanp->wmep_logcwmax = 1710 ireq->i_val; 1711 } 1712 break; 1713 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1714 if (isbss) { 1715 wmep->wmep_aifsn = ireq->i_val; 1716 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1717 chanp->wmep_aifsn = ireq->i_val; 1718 } else { 1719 wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val; 1720 } 1721 break; 1722 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1723 if (isbss) { 1724 wmep->wmep_txopLimit = ireq->i_val; 1725 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1726 chanp->wmep_txopLimit = ireq->i_val; 1727 } else { 1728 wmep->wmep_txopLimit = chanp->wmep_txopLimit = 1729 ireq->i_val; 1730 } 1731 break; 1732 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1733 wmep->wmep_acm = ireq->i_val; 1734 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1735 chanp->wmep_acm = ireq->i_val; 1736 break; 1737 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1738 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1739 (ireq->i_val) == 0; 1740 break; 1741 } 1742 ieee80211_wme_updateparams(vap); 1743 return 0; 1744 } 1745 1746 static int 1747 find11gchannel(struct ieee80211com *ic, int start, int freq) 1748 { 1749 const struct ieee80211_channel *c; 1750 int i; 1751 1752 for (i = start+1; i < ic->ic_nchans; i++) { 1753 c = &ic->ic_channels[i]; 1754 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1755 return 1; 1756 } 1757 /* NB: should not be needed but in case things are mis-sorted */ 1758 for (i = 0; i < start; i++) { 1759 c = &ic->ic_channels[i]; 1760 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1761 return 1; 1762 } 1763 return 0; 1764 } 1765 1766 static struct ieee80211_channel * 1767 findchannel(struct ieee80211com *ic, int ieee, int mode) 1768 { 1769 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1770 [IEEE80211_MODE_AUTO] = 0, 1771 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1772 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1773 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1774 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1775 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1776 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1777 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1778 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1779 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1780 /* NB: handled specially below */ 1781 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1782 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1783 }; 1784 u_int modeflags; 1785 int i; 1786 1787 modeflags = chanflags[mode]; 1788 for (i = 0; i < ic->ic_nchans; i++) { 1789 struct ieee80211_channel *c = &ic->ic_channels[i]; 1790 1791 if (c->ic_ieee != ieee) 1792 continue; 1793 if (mode == IEEE80211_MODE_AUTO) { 1794 /* ignore turbo channels for autoselect */ 1795 if (IEEE80211_IS_CHAN_TURBO(c)) 1796 continue; 1797 /* 1798 * XXX special-case 11b/g channels so we 1799 * always select the g channel if both 1800 * are present. 1801 * XXX prefer HT to non-HT? 1802 */ 1803 if (!IEEE80211_IS_CHAN_B(c) || 1804 !find11gchannel(ic, i, c->ic_freq)) 1805 return c; 1806 } else { 1807 /* must check HT specially */ 1808 if ((mode == IEEE80211_MODE_11NA || 1809 mode == IEEE80211_MODE_11NG) && 1810 !IEEE80211_IS_CHAN_HT(c)) 1811 continue; 1812 if ((c->ic_flags & modeflags) == modeflags) 1813 return c; 1814 } 1815 } 1816 return NULL; 1817 } 1818 1819 /* 1820 * Check the specified against any desired mode (aka netband). 1821 * This is only used (presently) when operating in hostap mode 1822 * to enforce consistency. 1823 */ 1824 static int 1825 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1826 { 1827 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1828 1829 switch (mode) { 1830 case IEEE80211_MODE_11B: 1831 return (IEEE80211_IS_CHAN_B(c)); 1832 case IEEE80211_MODE_11G: 1833 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1834 case IEEE80211_MODE_11A: 1835 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1836 case IEEE80211_MODE_STURBO_A: 1837 return (IEEE80211_IS_CHAN_STURBO(c)); 1838 case IEEE80211_MODE_11NA: 1839 return (IEEE80211_IS_CHAN_HTA(c)); 1840 case IEEE80211_MODE_11NG: 1841 return (IEEE80211_IS_CHAN_HTG(c)); 1842 } 1843 return 1; 1844 1845 } 1846 1847 /* 1848 * Common code to set the current channel. If the device 1849 * is up and running this may result in an immediate channel 1850 * change or a kick of the state machine. 1851 */ 1852 static int 1853 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 1854 { 1855 struct ieee80211com *ic = vap->iv_ic; 1856 int error; 1857 1858 if (c != IEEE80211_CHAN_ANYC) { 1859 if (IEEE80211_IS_CHAN_RADAR(c)) 1860 return EBUSY; /* XXX better code? */ 1861 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 1862 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 1863 return EINVAL; 1864 if (!check_mode_consistency(c, vap->iv_des_mode)) 1865 return EINVAL; 1866 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 1867 if (IEEE80211_IS_CHAN_NOADHOC(c)) 1868 return EINVAL; 1869 } 1870 if (vap->iv_state == IEEE80211_S_RUN && 1871 vap->iv_bss->ni_chan == c) 1872 return 0; /* NB: nothing to do */ 1873 } 1874 vap->iv_des_chan = c; 1875 1876 error = 0; 1877 if (vap->iv_opmode == IEEE80211_M_MONITOR && 1878 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1879 /* 1880 * Monitor mode can switch directly. 1881 */ 1882 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 1883 /* XXX need state machine for other vap's to follow */ 1884 ieee80211_setcurchan(ic, vap->iv_des_chan); 1885 vap->iv_bss->ni_chan = ic->ic_curchan; 1886 } else 1887 ic->ic_curchan = vap->iv_des_chan; 1888 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1889 } else { 1890 /* 1891 * Need to go through the state machine in case we 1892 * need to reassociate or the like. The state machine 1893 * will pickup the desired channel and avoid scanning. 1894 */ 1895 if (IS_UP_AUTO(vap)) 1896 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 1897 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1898 /* 1899 * When not up+running and a real channel has 1900 * been specified fix the current channel so 1901 * there is immediate feedback; e.g. via ifconfig. 1902 */ 1903 ic->ic_curchan = vap->iv_des_chan; 1904 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1905 } 1906 } 1907 return error; 1908 } 1909 1910 /* 1911 * Old api for setting the current channel; this is 1912 * deprecated because channel numbers are ambiguous. 1913 */ 1914 static __noinline int 1915 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 1916 const struct ieee80211req *ireq) 1917 { 1918 struct ieee80211com *ic = vap->iv_ic; 1919 struct ieee80211_channel *c; 1920 1921 /* XXX 0xffff overflows 16-bit signed */ 1922 if (ireq->i_val == 0 || 1923 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 1924 c = IEEE80211_CHAN_ANYC; 1925 } else { 1926 struct ieee80211_channel *c2; 1927 1928 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 1929 if (c == NULL) { 1930 c = findchannel(ic, ireq->i_val, 1931 IEEE80211_MODE_AUTO); 1932 if (c == NULL) 1933 return EINVAL; 1934 } 1935 /* 1936 * Fine tune channel selection based on desired mode: 1937 * if 11b is requested, find the 11b version of any 1938 * 11g channel returned, 1939 * if static turbo, find the turbo version of any 1940 * 11a channel return, 1941 * if 11na is requested, find the ht version of any 1942 * 11a channel returned, 1943 * if 11ng is requested, find the ht version of any 1944 * 11g channel returned, 1945 * otherwise we should be ok with what we've got. 1946 */ 1947 switch (vap->iv_des_mode) { 1948 case IEEE80211_MODE_11B: 1949 if (IEEE80211_IS_CHAN_ANYG(c)) { 1950 c2 = findchannel(ic, ireq->i_val, 1951 IEEE80211_MODE_11B); 1952 /* NB: should not happen, =>'s 11g w/o 11b */ 1953 if (c2 != NULL) 1954 c = c2; 1955 } 1956 break; 1957 case IEEE80211_MODE_TURBO_A: 1958 if (IEEE80211_IS_CHAN_A(c)) { 1959 c2 = findchannel(ic, ireq->i_val, 1960 IEEE80211_MODE_TURBO_A); 1961 if (c2 != NULL) 1962 c = c2; 1963 } 1964 break; 1965 case IEEE80211_MODE_11NA: 1966 if (IEEE80211_IS_CHAN_A(c)) { 1967 c2 = findchannel(ic, ireq->i_val, 1968 IEEE80211_MODE_11NA); 1969 if (c2 != NULL) 1970 c = c2; 1971 } 1972 break; 1973 case IEEE80211_MODE_11NG: 1974 if (IEEE80211_IS_CHAN_ANYG(c)) { 1975 c2 = findchannel(ic, ireq->i_val, 1976 IEEE80211_MODE_11NG); 1977 if (c2 != NULL) 1978 c = c2; 1979 } 1980 break; 1981 default: /* NB: no static turboG */ 1982 break; 1983 } 1984 } 1985 return setcurchan(vap, c); 1986 } 1987 1988 /* 1989 * New/current api for setting the current channel; a complete 1990 * channel description is provide so there is no ambiguity in 1991 * identifying the channel. 1992 */ 1993 static __noinline int 1994 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 1995 const struct ieee80211req *ireq) 1996 { 1997 struct ieee80211com *ic = vap->iv_ic; 1998 struct ieee80211_channel chan, *c; 1999 int error; 2000 2001 if (ireq->i_len != sizeof(chan)) 2002 return EINVAL; 2003 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2004 if (error != 0) 2005 return error; 2006 /* XXX 0xffff overflows 16-bit signed */ 2007 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2008 c = IEEE80211_CHAN_ANYC; 2009 } else { 2010 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2011 if (c == NULL) 2012 return EINVAL; 2013 } 2014 return setcurchan(vap, c); 2015 } 2016 2017 static __noinline int 2018 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2019 const struct ieee80211req *ireq) 2020 { 2021 struct ieee80211_regdomain_req *reg; 2022 int nchans, error; 2023 2024 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2025 sizeof(struct ieee80211_channel)); 2026 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2027 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2028 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2029 ireq->i_len, nchans); 2030 return EINVAL; 2031 } 2032 reg = (struct ieee80211_regdomain_req *) 2033 kmalloc(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, M_INTWAIT); 2034 if (reg == NULL) { 2035 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2036 "%s: no memory, nchans %d\n", __func__, nchans); 2037 return ENOMEM; 2038 } 2039 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2040 if (error == 0) { 2041 /* NB: validate inline channel count against storage size */ 2042 if (reg->chaninfo.ic_nchans != nchans) { 2043 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2044 "%s: chan cnt mismatch, %d != %d\n", __func__, 2045 reg->chaninfo.ic_nchans, nchans); 2046 error = EINVAL; 2047 } else 2048 error = ieee80211_setregdomain(vap, reg); 2049 } 2050 kfree(reg, M_TEMP); 2051 2052 return (error == 0 ? ENETRESET : error); 2053 } 2054 2055 static int 2056 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2057 const struct ieee80211req *ireq) 2058 { 2059 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2060 return EINVAL; 2061 /* XXX validate params */ 2062 /* XXX? ENETRESET to push to device? */ 2063 return copyin(ireq->i_data, vap->iv_roamparms, 2064 sizeof(vap->iv_roamparms)); 2065 } 2066 2067 static int 2068 checkrate(const struct ieee80211_rateset *rs, int rate) 2069 { 2070 int i; 2071 2072 if (rate == IEEE80211_FIXED_RATE_NONE) 2073 return 1; 2074 for (i = 0; i < rs->rs_nrates; i++) 2075 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2076 return 1; 2077 return 0; 2078 } 2079 2080 static int 2081 checkmcs(int mcs) 2082 { 2083 if (mcs == IEEE80211_FIXED_RATE_NONE) 2084 return 1; 2085 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2086 return 0; 2087 return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */ 2088 } 2089 2090 static __noinline int 2091 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2092 const struct ieee80211req *ireq) 2093 { 2094 struct ieee80211com *ic = vap->iv_ic; 2095 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2096 struct ieee80211_txparam *src, *dst; 2097 const struct ieee80211_rateset *rs; 2098 int error, mode, changed, is11n, nmodes; 2099 2100 /* NB: accept short requests for backwards compat */ 2101 if (ireq->i_len > sizeof(parms)) 2102 return EINVAL; 2103 error = copyin(ireq->i_data, &parms, ireq->i_len); 2104 if (error != 0) 2105 return error; 2106 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2107 changed = 0; 2108 /* validate parameters and check if anything changed */ 2109 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2110 if (isclr(ic->ic_modecaps, mode)) 2111 continue; 2112 src = &parms.params[mode]; 2113 dst = &vap->iv_txparms[mode]; 2114 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2115 is11n = (mode == IEEE80211_MODE_11NA || 2116 mode == IEEE80211_MODE_11NG); 2117 if (src->ucastrate != dst->ucastrate) { 2118 if (!checkrate(rs, src->ucastrate) && 2119 (!is11n || !checkmcs(src->ucastrate))) 2120 return EINVAL; 2121 changed++; 2122 } 2123 if (src->mcastrate != dst->mcastrate) { 2124 if (!checkrate(rs, src->mcastrate) && 2125 (!is11n || !checkmcs(src->mcastrate))) 2126 return EINVAL; 2127 changed++; 2128 } 2129 if (src->mgmtrate != dst->mgmtrate) { 2130 if (!checkrate(rs, src->mgmtrate) && 2131 (!is11n || !checkmcs(src->mgmtrate))) 2132 return EINVAL; 2133 changed++; 2134 } 2135 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2136 changed++; 2137 } 2138 if (changed) { 2139 /* 2140 * Copy new parameters in place and notify the 2141 * driver so it can push state to the device. 2142 */ 2143 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2144 if (isset(ic->ic_modecaps, mode)) 2145 vap->iv_txparms[mode] = parms.params[mode]; 2146 } 2147 /* XXX could be more intelligent, 2148 e.g. don't reset if setting not being used */ 2149 return ENETRESET; 2150 } 2151 return 0; 2152 } 2153 2154 /* 2155 * Application Information Element support. 2156 */ 2157 static int 2158 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2159 { 2160 struct ieee80211_appie *app = *aie; 2161 struct ieee80211_appie *napp; 2162 int error; 2163 2164 if (ireq->i_len == 0) { /* delete any existing ie */ 2165 if (app != NULL) { 2166 *aie = NULL; /* XXX racey */ 2167 kfree(app, M_80211_NODE_IE); 2168 } 2169 return 0; 2170 } 2171 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2172 return EINVAL; 2173 /* 2174 * Allocate a new appie structure and copy in the user data. 2175 * When done swap in the new structure. Note that we do not 2176 * guard against users holding a ref to the old structure; 2177 * this must be handled outside this code. 2178 * 2179 * XXX bad bad bad 2180 */ 2181 napp = (struct ieee80211_appie *) kmalloc( 2182 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, 2183 M_INTWAIT); 2184 if (napp == NULL) 2185 return ENOMEM; 2186 /* XXX holding ic lock */ 2187 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2188 if (error) { 2189 kfree(napp, M_80211_NODE_IE); 2190 return error; 2191 } 2192 napp->ie_len = ireq->i_len; 2193 *aie = napp; 2194 if (app != NULL) 2195 kfree(app, M_80211_NODE_IE); 2196 return 0; 2197 } 2198 2199 static void 2200 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2201 { 2202 /* validate data is present as best we can */ 2203 if (space == 0 || 2+ie[1] > space) 2204 return; 2205 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2206 vap->iv_wpa_ie = ie; 2207 else if (ie[0] == IEEE80211_ELEMID_RSN) 2208 vap->iv_rsn_ie = ie; 2209 } 2210 2211 static __noinline int 2212 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2213 const struct ieee80211req *ireq, int fc0) 2214 { 2215 int error; 2216 2217 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2218 2219 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2220 case IEEE80211_FC0_SUBTYPE_BEACON: 2221 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2222 vap->iv_opmode != IEEE80211_M_IBSS) { 2223 error = EINVAL; 2224 break; 2225 } 2226 error = setappie(&vap->iv_appie_beacon, ireq); 2227 if (error == 0) 2228 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2229 break; 2230 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2231 error = setappie(&vap->iv_appie_proberesp, ireq); 2232 break; 2233 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2234 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2235 error = setappie(&vap->iv_appie_assocresp, ireq); 2236 else 2237 error = EINVAL; 2238 break; 2239 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2240 error = setappie(&vap->iv_appie_probereq, ireq); 2241 break; 2242 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2243 if (vap->iv_opmode == IEEE80211_M_STA) 2244 error = setappie(&vap->iv_appie_assocreq, ireq); 2245 else 2246 error = EINVAL; 2247 break; 2248 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2249 error = setappie(&vap->iv_appie_wpa, ireq); 2250 if (error == 0) { 2251 /* 2252 * Must split single blob of data into separate 2253 * WPA and RSN ie's because they go in different 2254 * locations in the mgt frames. 2255 * XXX use IEEE80211_IOC_WPA2 so user code does split 2256 */ 2257 vap->iv_wpa_ie = NULL; 2258 vap->iv_rsn_ie = NULL; 2259 if (vap->iv_appie_wpa != NULL) { 2260 struct ieee80211_appie *appie = 2261 vap->iv_appie_wpa; 2262 uint8_t *data = appie->ie_data; 2263 2264 /* XXX ie length validate is painful, cheat */ 2265 setwparsnie(vap, data, appie->ie_len); 2266 setwparsnie(vap, data + 2 + data[1], 2267 appie->ie_len - (2 + data[1])); 2268 } 2269 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2270 vap->iv_opmode == IEEE80211_M_IBSS) { 2271 /* 2272 * Must rebuild beacon frame as the update 2273 * mechanism doesn't handle WPA/RSN ie's. 2274 * Could extend it but it doesn't normally 2275 * change; this is just to deal with hostapd 2276 * plumbing the ie after the interface is up. 2277 */ 2278 error = ENETRESET; 2279 } 2280 } 2281 break; 2282 default: 2283 error = EINVAL; 2284 break; 2285 } 2286 return error; 2287 } 2288 2289 static __noinline int 2290 ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2291 const struct ieee80211req *ireq) 2292 { 2293 struct ieee80211com *ic = vap->iv_ic; 2294 int error; 2295 uint8_t fc0; 2296 2297 fc0 = ireq->i_val & 0xff; 2298 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2299 return EINVAL; 2300 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2301 IEEE80211_LOCK(ic); 2302 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2303 IEEE80211_UNLOCK(ic); 2304 return error; 2305 } 2306 2307 static __noinline int 2308 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2309 { 2310 struct ieee80211com *ic = vap->iv_ic; 2311 struct ieee80211_chanswitch_req csr; 2312 struct ieee80211_channel *c; 2313 int error; 2314 2315 if (ireq->i_len != sizeof(csr)) 2316 return EINVAL; 2317 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2318 if (error != 0) 2319 return error; 2320 /* XXX adhoc mode not supported */ 2321 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2322 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2323 return EOPNOTSUPP; 2324 c = ieee80211_find_channel(ic, 2325 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2326 if (c == NULL) 2327 return ENOENT; 2328 IEEE80211_LOCK(ic); 2329 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2330 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2331 else if (csr.csa_count == 0) 2332 ieee80211_csa_cancelswitch(ic); 2333 else 2334 error = EBUSY; 2335 IEEE80211_UNLOCK(ic); 2336 return error; 2337 } 2338 2339 static __noinline int 2340 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2341 { 2342 #define IEEE80211_IOC_SCAN_FLAGS \ 2343 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2344 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2345 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2346 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2347 IEEE80211_IOC_SCAN_CHECK) 2348 struct ieee80211com *ic = vap->iv_ic; 2349 struct ieee80211_scan_req sr; /* XXX off stack? */ 2350 int error, i; 2351 2352 /* NB: parent must be running */ 2353 if ((ic->ic_ifp->if_flags & IFF_RUNNING) == 0) 2354 return ENXIO; 2355 2356 if (ireq->i_len != sizeof(sr)) 2357 return EINVAL; 2358 error = copyin(ireq->i_data, &sr, sizeof(sr)); 2359 if (error != 0) 2360 return error; 2361 /* convert duration */ 2362 if (sr.sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2363 sr.sr_duration = IEEE80211_SCAN_FOREVER; 2364 else { 2365 if (sr.sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2366 sr.sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2367 return EINVAL; 2368 sr.sr_duration = msecs_to_ticks(sr.sr_duration); 2369 if (sr.sr_duration < 1) 2370 sr.sr_duration = 1; 2371 } 2372 /* convert min/max channel dwell */ 2373 if (sr.sr_mindwell != 0) { 2374 sr.sr_mindwell = msecs_to_ticks(sr.sr_mindwell); 2375 if (sr.sr_mindwell < 1) 2376 sr.sr_mindwell = 1; 2377 } 2378 if (sr.sr_maxdwell != 0) { 2379 sr.sr_maxdwell = msecs_to_ticks(sr.sr_maxdwell); 2380 if (sr.sr_maxdwell < 1) 2381 sr.sr_maxdwell = 1; 2382 } 2383 /* NB: silently reduce ssid count to what is supported */ 2384 if (sr.sr_nssid > IEEE80211_SCAN_MAX_SSID) 2385 sr.sr_nssid = IEEE80211_SCAN_MAX_SSID; 2386 for (i = 0; i < sr.sr_nssid; i++) 2387 if (sr.sr_ssid[i].len > IEEE80211_NWID_LEN) 2388 return EINVAL; 2389 /* cleanse flags just in case, could reject if invalid flags */ 2390 sr.sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2391 /* 2392 * Add an implicit NOPICK if the vap is not marked UP. This 2393 * allows applications to scan without joining a bss (or picking 2394 * a channel and setting up a bss) and without forcing manual 2395 * roaming mode--you just need to mark the parent device UP. 2396 */ 2397 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2398 sr.sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2399 2400 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2401 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2402 __func__, sr.sr_flags, 2403 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2404 sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell, sr.sr_nssid); 2405 /* 2406 * If we are in INIT state then the driver has never had a chance 2407 * to setup hardware state to do a scan; we must use the state 2408 * machine to get us up to the SCAN state but once we reach SCAN 2409 * state we then want to use the supplied params. Stash the 2410 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2411 * state machines will recognize this and use the stashed params 2412 * to issue the scan request. 2413 * 2414 * Otherwise just invoke the scan machinery directly. 2415 */ 2416 IEEE80211_LOCK(ic); 2417 if (vap->iv_state == IEEE80211_S_INIT) { 2418 /* NB: clobbers previous settings */ 2419 vap->iv_scanreq_flags = sr.sr_flags; 2420 vap->iv_scanreq_duration = sr.sr_duration; 2421 vap->iv_scanreq_nssid = sr.sr_nssid; 2422 for (i = 0; i < sr.sr_nssid; i++) { 2423 vap->iv_scanreq_ssid[i].len = sr.sr_ssid[i].len; 2424 memcpy(vap->iv_scanreq_ssid[i].ssid, sr.sr_ssid[i].ssid, 2425 sr.sr_ssid[i].len); 2426 } 2427 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2428 IEEE80211_UNLOCK(ic); 2429 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2430 } else { 2431 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2432 IEEE80211_UNLOCK(ic); 2433 /* XXX neeed error return codes */ 2434 if (sr.sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2435 (void) ieee80211_check_scan(vap, sr.sr_flags, 2436 sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell, 2437 sr.sr_nssid, 2438 /* NB: cheat, we assume structures are compatible */ 2439 (const struct ieee80211_scan_ssid *) &sr.sr_ssid[0]); 2440 } else { 2441 (void) ieee80211_start_scan(vap, sr.sr_flags, 2442 sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell, 2443 sr.sr_nssid, 2444 /* NB: cheat, we assume structures are compatible */ 2445 (const struct ieee80211_scan_ssid *) &sr.sr_ssid[0]); 2446 } 2447 } 2448 return error; 2449 #undef IEEE80211_IOC_SCAN_FLAGS 2450 } 2451 2452 static __noinline int 2453 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2454 { 2455 struct ieee80211_node *ni; 2456 struct ieee80211req_sta_vlan vlan; 2457 int error; 2458 2459 if (ireq->i_len != sizeof(vlan)) 2460 return EINVAL; 2461 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2462 if (error != 0) 2463 return error; 2464 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2465 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2466 vlan.sv_macaddr); 2467 if (ni == NULL) 2468 return ENOENT; 2469 } else 2470 ni = ieee80211_ref_node(vap->iv_bss); 2471 ni->ni_vlan = vlan.sv_vlan; 2472 ieee80211_free_node(ni); 2473 return error; 2474 } 2475 2476 static int 2477 isvap11g(const struct ieee80211vap *vap) 2478 { 2479 const struct ieee80211_node *bss = vap->iv_bss; 2480 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2481 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2482 } 2483 2484 static int 2485 isvapht(const struct ieee80211vap *vap) 2486 { 2487 const struct ieee80211_node *bss = vap->iv_bss; 2488 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2489 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2490 } 2491 2492 /* 2493 * Dummy ioctl set handler so the linker set is defined. 2494 */ 2495 static int 2496 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2497 { 2498 return ENOSYS; 2499 } 2500 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2501 2502 static int 2503 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2504 { 2505 ieee80211_ioctl_setfunc * const *set; 2506 int error; 2507 2508 SET_FOREACH(set, ieee80211_ioctl_setset) { 2509 error = (*set)(vap, ireq); 2510 if (error != ENOSYS) 2511 return error; 2512 } 2513 return EINVAL; 2514 } 2515 2516 static __noinline int 2517 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2518 { 2519 struct ieee80211com *ic = vap->iv_ic; 2520 int error; 2521 const struct ieee80211_authenticator *auth; 2522 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2523 char tmpssid[IEEE80211_NWID_LEN]; 2524 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2525 struct ieee80211_key *k; 2526 u_int kid; 2527 uint32_t flags; 2528 2529 error = 0; 2530 switch (ireq->i_type) { 2531 case IEEE80211_IOC_SSID: 2532 if (ireq->i_val != 0 || 2533 ireq->i_len > IEEE80211_NWID_LEN) 2534 return EINVAL; 2535 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2536 if (error) 2537 break; 2538 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2539 vap->iv_des_ssid[0].len = ireq->i_len; 2540 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2541 vap->iv_des_nssid = (ireq->i_len > 0); 2542 error = ENETRESET; 2543 break; 2544 case IEEE80211_IOC_WEP: 2545 switch (ireq->i_val) { 2546 case IEEE80211_WEP_OFF: 2547 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2548 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2549 break; 2550 case IEEE80211_WEP_ON: 2551 vap->iv_flags |= IEEE80211_F_PRIVACY; 2552 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2553 break; 2554 case IEEE80211_WEP_MIXED: 2555 vap->iv_flags |= IEEE80211_F_PRIVACY; 2556 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2557 break; 2558 } 2559 error = ENETRESET; 2560 break; 2561 case IEEE80211_IOC_WEPKEY: 2562 kid = (u_int) ireq->i_val; 2563 if (kid >= IEEE80211_WEP_NKID) 2564 return EINVAL; 2565 k = &vap->iv_nw_keys[kid]; 2566 if (ireq->i_len == 0) { 2567 /* zero-len =>'s delete any existing key */ 2568 (void) ieee80211_crypto_delkey(vap, k); 2569 break; 2570 } 2571 if (ireq->i_len > sizeof(tmpkey)) 2572 return EINVAL; 2573 memset(tmpkey, 0, sizeof(tmpkey)); 2574 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2575 if (error) 2576 break; 2577 ieee80211_key_update_begin(vap); 2578 k->wk_keyix = kid; /* NB: force fixed key id */ 2579 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2580 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2581 k->wk_keylen = ireq->i_len; 2582 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2583 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2584 if (!ieee80211_crypto_setkey(vap, k)) 2585 error = EINVAL; 2586 } else 2587 error = EINVAL; 2588 ieee80211_key_update_end(vap); 2589 break; 2590 case IEEE80211_IOC_WEPTXKEY: 2591 kid = (u_int) ireq->i_val; 2592 if (kid >= IEEE80211_WEP_NKID && 2593 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2594 return EINVAL; 2595 vap->iv_def_txkey = kid; 2596 break; 2597 case IEEE80211_IOC_AUTHMODE: 2598 switch (ireq->i_val) { 2599 case IEEE80211_AUTH_WPA: 2600 case IEEE80211_AUTH_8021X: /* 802.1x */ 2601 case IEEE80211_AUTH_OPEN: /* open */ 2602 case IEEE80211_AUTH_SHARED: /* shared-key */ 2603 case IEEE80211_AUTH_AUTO: /* auto */ 2604 auth = ieee80211_authenticator_get(ireq->i_val); 2605 if (auth == NULL) 2606 return EINVAL; 2607 break; 2608 default: 2609 return EINVAL; 2610 } 2611 switch (ireq->i_val) { 2612 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2613 vap->iv_flags |= IEEE80211_F_PRIVACY; 2614 ireq->i_val = IEEE80211_AUTH_8021X; 2615 break; 2616 case IEEE80211_AUTH_OPEN: /* open */ 2617 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2618 break; 2619 case IEEE80211_AUTH_SHARED: /* shared-key */ 2620 case IEEE80211_AUTH_8021X: /* 802.1x */ 2621 vap->iv_flags &= ~IEEE80211_F_WPA; 2622 /* both require a key so mark the PRIVACY capability */ 2623 vap->iv_flags |= IEEE80211_F_PRIVACY; 2624 break; 2625 case IEEE80211_AUTH_AUTO: /* auto */ 2626 vap->iv_flags &= ~IEEE80211_F_WPA; 2627 /* XXX PRIVACY handling? */ 2628 /* XXX what's the right way to do this? */ 2629 break; 2630 } 2631 /* NB: authenticator attach/detach happens on state change */ 2632 vap->iv_bss->ni_authmode = ireq->i_val; 2633 /* XXX mixed/mode/usage? */ 2634 vap->iv_auth = auth; 2635 error = ENETRESET; 2636 break; 2637 case IEEE80211_IOC_CHANNEL: 2638 error = ieee80211_ioctl_setchannel(vap, ireq); 2639 break; 2640 case IEEE80211_IOC_POWERSAVE: 2641 switch (ireq->i_val) { 2642 case IEEE80211_POWERSAVE_OFF: 2643 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2644 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2645 error = ERESTART; 2646 } 2647 break; 2648 case IEEE80211_POWERSAVE_ON: 2649 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2650 error = EOPNOTSUPP; 2651 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2652 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2653 error = ERESTART; 2654 } 2655 break; 2656 default: 2657 error = EINVAL; 2658 break; 2659 } 2660 break; 2661 case IEEE80211_IOC_POWERSAVESLEEP: 2662 if (ireq->i_val < 0) 2663 return EINVAL; 2664 ic->ic_lintval = ireq->i_val; 2665 error = ERESTART; 2666 break; 2667 case IEEE80211_IOC_RTSTHRESHOLD: 2668 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2669 ireq->i_val <= IEEE80211_RTS_MAX)) 2670 return EINVAL; 2671 vap->iv_rtsthreshold = ireq->i_val; 2672 error = ERESTART; 2673 break; 2674 case IEEE80211_IOC_PROTMODE: 2675 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2676 return EINVAL; 2677 ic->ic_protmode = ireq->i_val; 2678 /* NB: if not operating in 11g this can wait */ 2679 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2680 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2681 error = ERESTART; 2682 break; 2683 case IEEE80211_IOC_TXPOWER: 2684 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2685 return EOPNOTSUPP; 2686 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2687 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2688 return EINVAL; 2689 ic->ic_txpowlimit = ireq->i_val; 2690 error = ERESTART; 2691 break; 2692 case IEEE80211_IOC_ROAMING: 2693 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2694 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2695 return EINVAL; 2696 vap->iv_roaming = ireq->i_val; 2697 /* XXXX reset? */ 2698 break; 2699 case IEEE80211_IOC_PRIVACY: 2700 if (ireq->i_val) { 2701 /* XXX check for key state? */ 2702 vap->iv_flags |= IEEE80211_F_PRIVACY; 2703 } else 2704 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2705 /* XXX ERESTART? */ 2706 break; 2707 case IEEE80211_IOC_DROPUNENCRYPTED: 2708 if (ireq->i_val) 2709 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2710 else 2711 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2712 /* XXX ERESTART? */ 2713 break; 2714 case IEEE80211_IOC_WPAKEY: 2715 error = ieee80211_ioctl_setkey(vap, ireq); 2716 break; 2717 case IEEE80211_IOC_DELKEY: 2718 error = ieee80211_ioctl_delkey(vap, ireq); 2719 break; 2720 case IEEE80211_IOC_MLME: 2721 error = ieee80211_ioctl_setmlme(vap, ireq); 2722 break; 2723 case IEEE80211_IOC_COUNTERMEASURES: 2724 if (ireq->i_val) { 2725 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2726 return EOPNOTSUPP; 2727 vap->iv_flags |= IEEE80211_F_COUNTERM; 2728 } else 2729 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2730 /* XXX ERESTART? */ 2731 break; 2732 case IEEE80211_IOC_WPA: 2733 if (ireq->i_val > 3) 2734 return EINVAL; 2735 /* XXX verify ciphers available */ 2736 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2737 switch (ireq->i_val) { 2738 case 1: 2739 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2740 return EOPNOTSUPP; 2741 flags |= IEEE80211_F_WPA1; 2742 break; 2743 case 2: 2744 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2745 return EOPNOTSUPP; 2746 flags |= IEEE80211_F_WPA2; 2747 break; 2748 case 3: 2749 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2750 return EOPNOTSUPP; 2751 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2752 break; 2753 default: /* Can't set any -> error */ 2754 return EOPNOTSUPP; 2755 } 2756 vap->iv_flags = flags; 2757 error = ERESTART; /* NB: can change beacon frame */ 2758 break; 2759 case IEEE80211_IOC_WME: 2760 if (ireq->i_val) { 2761 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 2762 return EOPNOTSUPP; 2763 ieee80211_syncflag(vap, IEEE80211_F_WME); 2764 } else 2765 ieee80211_syncflag(vap, -IEEE80211_F_WME); 2766 error = ERESTART; /* NB: can change beacon frame */ 2767 break; 2768 case IEEE80211_IOC_HIDESSID: 2769 if (ireq->i_val) 2770 vap->iv_flags |= IEEE80211_F_HIDESSID; 2771 else 2772 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 2773 error = ERESTART; /* XXX ENETRESET? */ 2774 break; 2775 case IEEE80211_IOC_APBRIDGE: 2776 if (ireq->i_val == 0) 2777 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 2778 else 2779 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 2780 break; 2781 case IEEE80211_IOC_BSSID: 2782 if (ireq->i_len != sizeof(tmpbssid)) 2783 return EINVAL; 2784 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 2785 if (error) 2786 break; 2787 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 2788 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 2789 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 2790 else 2791 vap->iv_flags |= IEEE80211_F_DESBSSID; 2792 error = ENETRESET; 2793 break; 2794 case IEEE80211_IOC_CHANLIST: 2795 error = ieee80211_ioctl_setchanlist(vap, ireq); 2796 break; 2797 #define OLD_IEEE80211_IOC_SCAN_REQ 23 2798 #ifdef OLD_IEEE80211_IOC_SCAN_REQ 2799 case OLD_IEEE80211_IOC_SCAN_REQ: 2800 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2801 "%s: active scan request\n", __func__); 2802 /* 2803 * If we are in INIT state then the driver has never 2804 * had a chance to setup hardware state to do a scan; 2805 * use the state machine to get us up the SCAN state. 2806 * Otherwise just invoke the scan machinery to start 2807 * a one-time scan. 2808 */ 2809 if (vap->iv_state == IEEE80211_S_INIT) 2810 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2811 else 2812 (void) ieee80211_start_scan(vap, 2813 IEEE80211_SCAN_ACTIVE | 2814 IEEE80211_SCAN_NOPICK | 2815 IEEE80211_SCAN_ONCE, 2816 IEEE80211_SCAN_FOREVER, 0, 0, 2817 /* XXX use ioctl params */ 2818 vap->iv_des_nssid, vap->iv_des_ssid); 2819 break; 2820 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 2821 case IEEE80211_IOC_SCAN_REQ: 2822 error = ieee80211_ioctl_scanreq(vap, ireq); 2823 break; 2824 case IEEE80211_IOC_SCAN_CANCEL: 2825 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2826 "%s: cancel scan\n", __func__); 2827 ieee80211_cancel_scan(vap); 2828 break; 2829 case IEEE80211_IOC_HTCONF: 2830 if (ireq->i_val & 1) 2831 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 2832 else 2833 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 2834 if (ireq->i_val & 2) 2835 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 2836 else 2837 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 2838 error = ENETRESET; 2839 break; 2840 case IEEE80211_IOC_ADDMAC: 2841 case IEEE80211_IOC_DELMAC: 2842 error = ieee80211_ioctl_macmac(vap, ireq); 2843 break; 2844 case IEEE80211_IOC_MACCMD: 2845 error = ieee80211_ioctl_setmaccmd(vap, ireq); 2846 break; 2847 case IEEE80211_IOC_STA_STATS: 2848 error = ieee80211_ioctl_setstastats(vap, ireq); 2849 break; 2850 case IEEE80211_IOC_STA_TXPOW: 2851 error = ieee80211_ioctl_setstatxpow(vap, ireq); 2852 break; 2853 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 2854 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 2855 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 2856 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 2857 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 2858 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 2859 error = ieee80211_ioctl_setwmeparam(vap, ireq); 2860 break; 2861 case IEEE80211_IOC_DTIM_PERIOD: 2862 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2863 vap->iv_opmode != IEEE80211_M_MBSS && 2864 vap->iv_opmode != IEEE80211_M_IBSS) 2865 return EINVAL; 2866 if (IEEE80211_DTIM_MIN <= ireq->i_val && 2867 ireq->i_val <= IEEE80211_DTIM_MAX) { 2868 vap->iv_dtim_period = ireq->i_val; 2869 error = ENETRESET; /* requires restart */ 2870 } else 2871 error = EINVAL; 2872 break; 2873 case IEEE80211_IOC_BEACON_INTERVAL: 2874 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2875 vap->iv_opmode != IEEE80211_M_MBSS && 2876 vap->iv_opmode != IEEE80211_M_IBSS) 2877 return EINVAL; 2878 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 2879 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 2880 ic->ic_bintval = ireq->i_val; 2881 error = ENETRESET; /* requires restart */ 2882 } else 2883 error = EINVAL; 2884 break; 2885 case IEEE80211_IOC_PUREG: 2886 if (ireq->i_val) 2887 vap->iv_flags |= IEEE80211_F_PUREG; 2888 else 2889 vap->iv_flags &= ~IEEE80211_F_PUREG; 2890 /* NB: reset only if we're operating on an 11g channel */ 2891 if (isvap11g(vap)) 2892 error = ENETRESET; 2893 break; 2894 case IEEE80211_IOC_BGSCAN: 2895 if (ireq->i_val) { 2896 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 2897 return EOPNOTSUPP; 2898 vap->iv_flags |= IEEE80211_F_BGSCAN; 2899 } else 2900 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 2901 break; 2902 case IEEE80211_IOC_BGSCAN_IDLE: 2903 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 2904 vap->iv_bgscanidle = ireq->i_val*hz/1000; 2905 else 2906 error = EINVAL; 2907 break; 2908 case IEEE80211_IOC_BGSCAN_INTERVAL: 2909 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 2910 vap->iv_bgscanintvl = ireq->i_val*hz; 2911 else 2912 error = EINVAL; 2913 break; 2914 case IEEE80211_IOC_SCANVALID: 2915 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 2916 vap->iv_scanvalid = ireq->i_val*hz; 2917 else 2918 error = EINVAL; 2919 break; 2920 case IEEE80211_IOC_FRAGTHRESHOLD: 2921 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 2922 ireq->i_val != IEEE80211_FRAG_MAX) 2923 return EOPNOTSUPP; 2924 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 2925 ireq->i_val <= IEEE80211_FRAG_MAX)) 2926 return EINVAL; 2927 vap->iv_fragthreshold = ireq->i_val; 2928 error = ERESTART; 2929 break; 2930 case IEEE80211_IOC_BURST: 2931 if (ireq->i_val) { 2932 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 2933 return EOPNOTSUPP; 2934 ieee80211_syncflag(vap, IEEE80211_F_BURST); 2935 } else 2936 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 2937 error = ERESTART; 2938 break; 2939 case IEEE80211_IOC_BMISSTHRESHOLD: 2940 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 2941 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 2942 return EINVAL; 2943 vap->iv_bmissthreshold = ireq->i_val; 2944 error = ERESTART; 2945 break; 2946 case IEEE80211_IOC_CURCHAN: 2947 error = ieee80211_ioctl_setcurchan(vap, ireq); 2948 break; 2949 case IEEE80211_IOC_SHORTGI: 2950 if (ireq->i_val) { 2951 #define IEEE80211_HTCAP_SHORTGI \ 2952 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 2953 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 2954 return EINVAL; 2955 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 2956 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 2957 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 2958 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 2959 #undef IEEE80211_HTCAP_SHORTGI 2960 } else 2961 vap->iv_flags_ht &= 2962 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 2963 error = ERESTART; 2964 break; 2965 case IEEE80211_IOC_AMPDU: 2966 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 2967 return EINVAL; 2968 if (ireq->i_val & 1) 2969 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 2970 else 2971 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 2972 if (ireq->i_val & 2) 2973 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 2974 else 2975 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 2976 /* NB: reset only if we're operating on an 11n channel */ 2977 if (isvapht(vap)) 2978 error = ERESTART; 2979 break; 2980 case IEEE80211_IOC_AMPDU_LIMIT: 2981 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 2982 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 2983 return EINVAL; 2984 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2985 vap->iv_ampdu_rxmax = ireq->i_val; 2986 else 2987 vap->iv_ampdu_limit = ireq->i_val; 2988 error = ERESTART; 2989 break; 2990 case IEEE80211_IOC_AMPDU_DENSITY: 2991 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 2992 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 2993 return EINVAL; 2994 vap->iv_ampdu_density = ireq->i_val; 2995 error = ERESTART; 2996 break; 2997 case IEEE80211_IOC_AMSDU: 2998 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 2999 return EINVAL; 3000 if (ireq->i_val & 1) 3001 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 3002 else 3003 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 3004 if (ireq->i_val & 2) 3005 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 3006 else 3007 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 3008 /* NB: reset only if we're operating on an 11n channel */ 3009 if (isvapht(vap)) 3010 error = ERESTART; 3011 break; 3012 case IEEE80211_IOC_AMSDU_LIMIT: 3013 /* XXX validate */ 3014 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 3015 break; 3016 case IEEE80211_IOC_PUREN: 3017 if (ireq->i_val) { 3018 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3019 return EINVAL; 3020 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3021 } else 3022 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3023 /* NB: reset only if we're operating on an 11n channel */ 3024 if (isvapht(vap)) 3025 error = ERESTART; 3026 break; 3027 case IEEE80211_IOC_DOTH: 3028 if (ireq->i_val) { 3029 #if 0 3030 /* XXX no capability */ 3031 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3032 return EOPNOTSUPP; 3033 #endif 3034 vap->iv_flags |= IEEE80211_F_DOTH; 3035 } else 3036 vap->iv_flags &= ~IEEE80211_F_DOTH; 3037 error = ENETRESET; 3038 break; 3039 case IEEE80211_IOC_REGDOMAIN: 3040 error = ieee80211_ioctl_setregdomain(vap, ireq); 3041 break; 3042 case IEEE80211_IOC_ROAM: 3043 error = ieee80211_ioctl_setroam(vap, ireq); 3044 break; 3045 case IEEE80211_IOC_TXPARAMS: 3046 error = ieee80211_ioctl_settxparams(vap, ireq); 3047 break; 3048 case IEEE80211_IOC_HTCOMPAT: 3049 if (ireq->i_val) { 3050 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3051 return EOPNOTSUPP; 3052 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3053 } else 3054 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 3055 /* NB: reset only if we're operating on an 11n channel */ 3056 if (isvapht(vap)) 3057 error = ERESTART; 3058 break; 3059 case IEEE80211_IOC_DWDS: 3060 if (ireq->i_val) { 3061 /* NB: DWDS only makes sense for WDS-capable devices */ 3062 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3063 return EOPNOTSUPP; 3064 /* NB: DWDS is used only with ap+sta vaps */ 3065 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3066 vap->iv_opmode != IEEE80211_M_STA) 3067 return EINVAL; 3068 vap->iv_flags |= IEEE80211_F_DWDS; 3069 if (vap->iv_opmode == IEEE80211_M_STA) 3070 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3071 } else { 3072 vap->iv_flags &= ~IEEE80211_F_DWDS; 3073 if (vap->iv_opmode == IEEE80211_M_STA) 3074 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3075 } 3076 break; 3077 case IEEE80211_IOC_INACTIVITY: 3078 if (ireq->i_val) 3079 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3080 else 3081 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3082 break; 3083 case IEEE80211_IOC_APPIE: 3084 error = ieee80211_ioctl_setappie(vap, ireq); 3085 break; 3086 case IEEE80211_IOC_WPS: 3087 if (ireq->i_val) { 3088 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3089 return EOPNOTSUPP; 3090 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3091 } else 3092 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3093 break; 3094 case IEEE80211_IOC_TSN: 3095 if (ireq->i_val) { 3096 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3097 return EOPNOTSUPP; 3098 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3099 } else 3100 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3101 break; 3102 case IEEE80211_IOC_CHANSWITCH: 3103 error = ieee80211_ioctl_chanswitch(vap, ireq); 3104 break; 3105 case IEEE80211_IOC_DFS: 3106 if (ireq->i_val) { 3107 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3108 return EOPNOTSUPP; 3109 /* NB: DFS requires 11h support */ 3110 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3111 return EINVAL; 3112 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3113 } else 3114 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3115 break; 3116 case IEEE80211_IOC_DOTD: 3117 if (ireq->i_val) 3118 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3119 else 3120 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3121 if (vap->iv_opmode == IEEE80211_M_STA) 3122 error = ENETRESET; 3123 break; 3124 case IEEE80211_IOC_HTPROTMODE: 3125 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3126 return EINVAL; 3127 ic->ic_htprotmode = ireq->i_val ? 3128 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3129 /* NB: if not operating in 11n this can wait */ 3130 if (isvapht(vap)) 3131 error = ERESTART; 3132 break; 3133 case IEEE80211_IOC_STA_VLAN: 3134 error = ieee80211_ioctl_setstavlan(vap, ireq); 3135 break; 3136 case IEEE80211_IOC_SMPS: 3137 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3138 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3139 return EINVAL; 3140 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3141 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3142 return EOPNOTSUPP; 3143 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3144 ireq->i_val; 3145 /* NB: if not operating in 11n this can wait */ 3146 if (isvapht(vap)) 3147 error = ERESTART; 3148 break; 3149 case IEEE80211_IOC_RIFS: 3150 if (ireq->i_val != 0) { 3151 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3152 return EOPNOTSUPP; 3153 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3154 } else 3155 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3156 /* NB: if not operating in 11n this can wait */ 3157 if (isvapht(vap)) 3158 error = ERESTART; 3159 break; 3160 default: 3161 error = ieee80211_ioctl_setdefault(vap, ireq); 3162 break; 3163 } 3164 /* 3165 * The convention is that ENETRESET means an operation 3166 * requires a complete re-initialization of the device (e.g. 3167 * changing something that affects the association state). 3168 * ERESTART means the request may be handled with only a 3169 * reload of the hardware state. We hand ERESTART requests 3170 * to the iv_reset callback so the driver can decide. If 3171 * a device does not fillin iv_reset then it defaults to one 3172 * that returns ENETRESET. Otherwise a driver may return 3173 * ENETRESET (in which case a full reset will be done) or 3174 * 0 to mean there's no need to do anything (e.g. when the 3175 * change has no effect on the driver/device). 3176 */ 3177 if (error == ERESTART) 3178 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3179 vap->iv_reset(vap, ireq->i_type) : 0; 3180 if (error == ENETRESET) { 3181 /* XXX need to re-think AUTO handling */ 3182 if (IS_UP_AUTO(vap)) 3183 ieee80211_init(vap); 3184 error = 0; 3185 } 3186 return error; 3187 } 3188 3189 /* 3190 * Rebuild the parent's multicast address list after an add/del 3191 * of a multicast address for a vap. We have no way to tell 3192 * what happened above to optimize the work so we purge the entire 3193 * list and rebuild from scratch. This is way expensive. 3194 * Note also the half-baked workaround for if_addmulti calling 3195 * back to the parent device; there's no way to insert mcast 3196 * entries quietly and/or cheaply. 3197 */ 3198 static void 3199 ieee80211_ioctl_updatemulti(struct ieee80211com *ic) 3200 { 3201 struct ifnet *parent = ic->ic_ifp; 3202 struct ieee80211vap *vap; 3203 void *ioctl; 3204 3205 IEEE80211_LOCK(ic); 3206 if_delallmulti(parent); 3207 ioctl = parent->if_ioctl; /* XXX WAR if_allmulti */ 3208 parent->if_ioctl = NULL; 3209 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 3210 struct ifnet *ifp = vap->iv_ifp; 3211 struct ifmultiaddr *ifma; 3212 3213 LIST_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 3214 if (ifma->ifma_addr->sa_family != AF_LINK) 3215 continue; 3216 (void) if_addmulti(parent, ifma->ifma_addr, NULL); 3217 } 3218 } 3219 parent->if_ioctl = ioctl; 3220 ieee80211_runtask(ic, &ic->ic_mcast_task); 3221 IEEE80211_UNLOCK(ic); 3222 } 3223 3224 int 3225 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data, struct ucred *ucred) 3226 { 3227 struct ieee80211vap *vap = ifp->if_softc; 3228 struct ieee80211com *ic = vap->iv_ic; 3229 int error = 0; 3230 struct ifreq *ifr; 3231 struct ifaddr *ifa; /* XXX */ 3232 3233 switch (cmd) { 3234 case SIOCSIFFLAGS: 3235 IEEE80211_LOCK(ic); 3236 ieee80211_syncifflag_locked(ic, IFF_PROMISC); 3237 ieee80211_syncifflag_locked(ic, IFF_ALLMULTI); 3238 if (ifp->if_flags & IFF_UP) { 3239 /* 3240 * Bring ourself up unless we're already operational. 3241 * If we're the first vap and the parent is not up 3242 * then it will automatically be brought up as a 3243 * side-effect of bringing ourself up. 3244 */ 3245 if (vap->iv_state == IEEE80211_S_INIT) 3246 ieee80211_start_locked(vap); 3247 } else if (ifp->if_flags & IFF_RUNNING) { 3248 /* 3249 * Stop ourself. If we are the last vap to be 3250 * marked down the parent will also be taken down. 3251 */ 3252 ieee80211_stop_locked(vap); 3253 } 3254 IEEE80211_UNLOCK(ic); 3255 /* Wait for parent ioctl handler if it was queued */ 3256 ieee80211_waitfor_parent(ic); 3257 break; 3258 case SIOCADDMULTI: 3259 case SIOCDELMULTI: 3260 ieee80211_ioctl_updatemulti(ic); 3261 break; 3262 case SIOCSIFMEDIA: 3263 case SIOCGIFMEDIA: 3264 ifr = (struct ifreq *)data; 3265 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3266 break; 3267 case SIOCG80211: 3268 error = ieee80211_ioctl_get80211(vap, cmd, 3269 (struct ieee80211req *) data); 3270 break; 3271 case SIOCS80211: 3272 error = priv_check(curthread, PRIV_NET80211_MANAGE); 3273 if (error == 0) 3274 error = ieee80211_ioctl_set80211(vap, cmd, 3275 (struct ieee80211req *) data); 3276 break; 3277 case SIOCG80211STATS: 3278 ifr = (struct ifreq *)data; 3279 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats)); 3280 break; 3281 case SIOCSIFMTU: 3282 ifr = (struct ifreq *)data; 3283 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3284 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3285 error = EINVAL; 3286 else 3287 ifp->if_mtu = ifr->ifr_mtu; 3288 break; 3289 case SIOCSIFADDR: 3290 /* 3291 * XXX Handle this directly so we can supress if_init calls. 3292 * XXX This should be done in ether_ioctl but for the moment 3293 * XXX there are too many other parts of the system that 3294 * XXX set IFF_UP and so supress if_init being called when 3295 * XXX it should be. 3296 */ 3297 ifa = (struct ifaddr *) data; 3298 switch (ifa->ifa_addr->sa_family) { 3299 #ifdef INET 3300 case AF_INET: 3301 if ((ifp->if_flags & IFF_UP) == 0) { 3302 ifp->if_flags |= IFF_UP; 3303 ifp->if_init(ifp->if_softc); 3304 } 3305 arp_ifinit(ifp, ifa); 3306 break; 3307 #endif 3308 #ifdef IPX 3309 /* 3310 * XXX - This code is probably wrong, 3311 * but has been copied many times. 3312 */ 3313 case AF_IPX: { 3314 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr); 3315 3316 if (ipx_nullhost(*ina)) 3317 ina->x_host = *(union ipx_host *) 3318 IF_LLADDR(ifp); 3319 else 3320 bcopy((caddr_t) ina->x_host.c_host, 3321 (caddr_t) IF_LLADDR(ifp), 3322 ETHER_ADDR_LEN); 3323 /* fall thru... */ 3324 } 3325 #endif 3326 default: 3327 if ((ifp->if_flags & IFF_UP) == 0) { 3328 ifp->if_flags |= IFF_UP; 3329 ifp->if_init(ifp->if_softc); 3330 } 3331 break; 3332 } 3333 break; 3334 /* Pass NDIS ioctls up to the driver */ 3335 case SIOCGDRVSPEC: 3336 case SIOCSDRVSPEC: 3337 case SIOCGPRIVATE_0: { 3338 struct ifnet *parent = vap->iv_ic->ic_ifp; 3339 error = parent->if_ioctl(parent, cmd, data, ucred); 3340 break; 3341 } 3342 default: 3343 error = ether_ioctl(ifp, cmd, data); 3344 break; 3345 } 3346 return error; 3347 } 3348