1 /*- 2 * Copyright (c) 2001 Atsushi Onoe 3 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 /* 31 * IEEE 802.11 ioctl support (FreeBSD-specific) 32 */ 33 34 #include "opt_inet.h" 35 #include "opt_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 #include <sys/taskqueue.h> 46 47 #include <net/if.h> 48 #include <net/if_dl.h> 49 #include <net/if_media.h> 50 #include <net/ethernet.h> 51 52 #ifdef INET 53 #include <netinet/in.h> 54 #include <netinet/if_ether.h> 55 #endif 56 57 #ifdef IPX 58 #include <netipx/ipx.h> 59 #include <netipx/ipx_if.h> 60 #endif 61 62 #include <net80211/ieee80211_var.h> 63 #include <net80211/ieee80211_ioctl.h> 64 #include <net80211/ieee80211_regdomain.h> 65 #include <net80211/ieee80211_input.h> 66 #ifdef IEEE80211_SUPPORT_TDMA 67 #include <net80211/ieee80211_tdma.h> 68 #endif 69 70 #define IS_UP_AUTO(_vap) \ 71 (IFNET_IS_UP_RUNNING(vap->iv_ifp) && \ 72 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO) 73 74 static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 75 static struct ieee80211_channel *findchannel(struct ieee80211com *, 76 int ieee, int mode); 77 78 static __noinline int 79 ieee80211_ioctl_getkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 80 { 81 struct ieee80211com *ic = vap->iv_ic; 82 struct ieee80211_node *ni; 83 struct ieee80211req_key ik; 84 struct ieee80211_key *wk; 85 const struct ieee80211_cipher *cip; 86 u_int kid; 87 int error; 88 89 if (ireq->i_len != sizeof(ik)) 90 return EINVAL; 91 error = copyin(ireq->i_data, &ik, sizeof(ik)); 92 if (error) 93 return error; 94 kid = ik.ik_keyix; 95 if (kid == IEEE80211_KEYIX_NONE) { 96 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr); 97 if (ni == NULL) 98 return ENOENT; 99 wk = &ni->ni_ucastkey; 100 } else { 101 if (kid >= IEEE80211_WEP_NKID) 102 return EINVAL; 103 wk = &vap->iv_nw_keys[kid]; 104 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr); 105 ni = NULL; 106 } 107 cip = wk->wk_cipher; 108 ik.ik_type = cip->ic_cipher; 109 ik.ik_keylen = wk->wk_keylen; 110 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 111 if (wk->wk_keyix == vap->iv_def_txkey) 112 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 113 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 114 /* NB: only root can read key data */ 115 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID]; 116 ik.ik_keytsc = wk->wk_keytsc; 117 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 118 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 119 memcpy(ik.ik_keydata+wk->wk_keylen, 120 wk->wk_key + IEEE80211_KEYBUF_SIZE, 121 IEEE80211_MICBUF_SIZE); 122 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 123 } 124 } else { 125 ik.ik_keyrsc = 0; 126 ik.ik_keytsc = 0; 127 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 128 } 129 if (ni != NULL) 130 ieee80211_free_node(ni); 131 return copyout(&ik, ireq->i_data, sizeof(ik)); 132 } 133 134 static __noinline int 135 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 136 { 137 struct ieee80211com *ic = vap->iv_ic; 138 139 if (sizeof(ic->ic_chan_active) < ireq->i_len) 140 ireq->i_len = sizeof(ic->ic_chan_active); 141 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); 142 } 143 144 static __noinline int 145 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 146 { 147 struct ieee80211com *ic = vap->iv_ic; 148 int space; 149 150 space = __offsetof(struct ieee80211req_chaninfo, 151 ic_chans[ic->ic_nchans]); 152 if (space > ireq->i_len) 153 space = ireq->i_len; 154 /* XXX assumes compatible layout */ 155 return copyout(&ic->ic_nchans, ireq->i_data, space); 156 } 157 158 static __noinline int 159 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap, 160 struct ieee80211req *ireq, int req) 161 { 162 struct ieee80211_node *ni; 163 struct ieee80211req_wpaie2 wpaie; 164 int error; 165 166 if (ireq->i_len < IEEE80211_ADDR_LEN) 167 return EINVAL; 168 error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN); 169 if (error != 0) 170 return error; 171 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie.wpa_macaddr); 172 if (ni == NULL) 173 return ENOENT; 174 memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie)); 175 if (ni->ni_ies.wpa_ie != NULL) { 176 int ielen = ni->ni_ies.wpa_ie[1] + 2; 177 if (ielen > sizeof(wpaie.wpa_ie)) 178 ielen = sizeof(wpaie.wpa_ie); 179 memcpy(wpaie.wpa_ie, ni->ni_ies.wpa_ie, ielen); 180 } 181 if (req == IEEE80211_IOC_WPAIE2) { 182 memset(wpaie.rsn_ie, 0, sizeof(wpaie.rsn_ie)); 183 if (ni->ni_ies.rsn_ie != NULL) { 184 int ielen = ni->ni_ies.rsn_ie[1] + 2; 185 if (ielen > sizeof(wpaie.rsn_ie)) 186 ielen = sizeof(wpaie.rsn_ie); 187 memcpy(wpaie.rsn_ie, ni->ni_ies.rsn_ie, ielen); 188 } 189 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2)) 190 ireq->i_len = sizeof(struct ieee80211req_wpaie2); 191 } else { 192 /* compatibility op, may overwrite wpa ie */ 193 /* XXX check ic_flags? */ 194 if (ni->ni_ies.rsn_ie != NULL) { 195 int ielen = ni->ni_ies.rsn_ie[1] + 2; 196 if (ielen > sizeof(wpaie.wpa_ie)) 197 ielen = sizeof(wpaie.wpa_ie); 198 memcpy(wpaie.wpa_ie, ni->ni_ies.rsn_ie, ielen); 199 } 200 if (ireq->i_len > sizeof(struct ieee80211req_wpaie)) 201 ireq->i_len = sizeof(struct ieee80211req_wpaie); 202 } 203 ieee80211_free_node(ni); 204 return copyout(&wpaie, ireq->i_data, ireq->i_len); 205 } 206 207 static __noinline int 208 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 209 { 210 struct ieee80211_node *ni; 211 uint8_t macaddr[IEEE80211_ADDR_LEN]; 212 const int off = __offsetof(struct ieee80211req_sta_stats, is_stats); 213 int error; 214 215 if (ireq->i_len < off) 216 return EINVAL; 217 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 218 if (error != 0) 219 return error; 220 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 221 if (ni == NULL) 222 return ENOENT; 223 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 224 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 225 /* NB: copy out only the statistics */ 226 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off, 227 ireq->i_len - off); 228 ieee80211_free_node(ni); 229 return error; 230 } 231 232 struct scanreq { 233 struct ieee80211req_scan_result *sr; 234 size_t space; 235 }; 236 237 static size_t 238 scan_space(const struct ieee80211_scan_entry *se, int *ielen) 239 { 240 size_t len; 241 242 *ielen = se->se_ies.len; 243 /* 244 * NB: ie's can be no more than 255 bytes and the max 802.11 245 * packet is <3Kbytes so we are sure this doesn't overflow 246 * 16-bits; if this is a concern we can drop the ie's. 247 */ 248 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + *ielen; 249 return roundup(len, sizeof(uint32_t)); 250 } 251 252 static void 253 get_scan_space(void *arg, const struct ieee80211_scan_entry *se) 254 { 255 struct scanreq *req = arg; 256 int ielen; 257 258 req->space += scan_space(se, &ielen); 259 } 260 261 static __noinline void 262 get_scan_result(void *arg, const struct ieee80211_scan_entry *se) 263 { 264 struct scanreq *req = arg; 265 struct ieee80211req_scan_result *sr; 266 int ielen, len, nr, nxr; 267 uint8_t *cp; 268 269 len = scan_space(se, &ielen); 270 if (len > req->space) 271 return; 272 273 sr = req->sr; 274 KASSERT(len <= 65535 && ielen <= 65535, 275 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen)); 276 sr->isr_len = len; 277 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result); 278 sr->isr_ie_len = ielen; 279 sr->isr_freq = se->se_chan->ic_freq; 280 sr->isr_flags = se->se_chan->ic_flags; 281 sr->isr_rssi = se->se_rssi; 282 sr->isr_noise = se->se_noise; 283 sr->isr_intval = se->se_intval; 284 sr->isr_capinfo = se->se_capinfo; 285 sr->isr_erp = se->se_erp; 286 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid); 287 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE); 288 memcpy(sr->isr_rates, se->se_rates+2, nr); 289 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr); 290 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr); 291 sr->isr_nrates = nr + nxr; 292 293 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 if (ielen) { 298 cp += sr->isr_ssid_len; 299 memcpy(cp, se->se_ies.data, ielen); 300 } 301 302 req->space -= len; 303 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len); 304 } 305 306 static __noinline int 307 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap, 308 struct ieee80211req *ireq) 309 { 310 struct scanreq req; 311 int error; 312 313 if (ireq->i_len < sizeof(struct scanreq)) 314 return EFAULT; 315 316 error = 0; 317 req.space = 0; 318 ieee80211_scan_iterate(vap, get_scan_space, &req); 319 if (req.space > ireq->i_len) 320 req.space = ireq->i_len; 321 if (req.space > 0) { 322 size_t space; 323 void *p; 324 325 space = req.space; 326 /* XXX M_WAITOK after driver lock released */ 327 p = malloc(space, M_TEMP, M_NOWAIT | M_ZERO); 328 if (p == NULL) 329 return ENOMEM; 330 req.sr = p; 331 ieee80211_scan_iterate(vap, get_scan_result, &req); 332 ireq->i_len = space - req.space; 333 error = copyout(p, ireq->i_data, ireq->i_len); 334 free(p, M_TEMP); 335 } else 336 ireq->i_len = 0; 337 338 return error; 339 } 340 341 struct stainforeq { 342 struct ieee80211vap *vap; 343 struct ieee80211req_sta_info *si; 344 size_t space; 345 }; 346 347 static size_t 348 sta_space(const struct ieee80211_node *ni, size_t *ielen) 349 { 350 *ielen = ni->ni_ies.len; 351 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, 352 sizeof(uint32_t)); 353 } 354 355 static void 356 get_sta_space(void *arg, struct ieee80211_node *ni) 357 { 358 struct stainforeq *req = arg; 359 size_t ielen; 360 361 if (req->vap != ni->ni_vap) 362 return; 363 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP && 364 ni->ni_associd == 0) /* only associated stations */ 365 return; 366 req->space += sta_space(ni, &ielen); 367 } 368 369 static __noinline void 370 get_sta_info(void *arg, struct ieee80211_node *ni) 371 { 372 struct stainforeq *req = arg; 373 struct ieee80211vap *vap = ni->ni_vap; 374 struct ieee80211req_sta_info *si; 375 size_t ielen, len; 376 uint8_t *cp; 377 378 if (req->vap != ni->ni_vap) 379 return; 380 if (vap->iv_opmode == IEEE80211_M_HOSTAP && 381 ni->ni_associd == 0) /* only associated stations */ 382 return; 383 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 384 return; 385 len = sta_space(ni, &ielen); 386 if (len > req->space) 387 return; 388 si = req->si; 389 si->isi_len = len; 390 si->isi_ie_off = sizeof(struct ieee80211req_sta_info); 391 si->isi_ie_len = ielen; 392 si->isi_freq = ni->ni_chan->ic_freq; 393 si->isi_flags = ni->ni_chan->ic_flags; 394 si->isi_state = ni->ni_flags; 395 si->isi_authmode = ni->ni_authmode; 396 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise); 397 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo); 398 si->isi_capinfo = ni->ni_capinfo; 399 si->isi_erp = ni->ni_erp; 400 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 401 si->isi_nrates = ni->ni_rates.rs_nrates; 402 if (si->isi_nrates > 15) 403 si->isi_nrates = 15; 404 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 405 si->isi_txrate = ni->ni_txrate; 406 if (si->isi_txrate & IEEE80211_RATE_MCS) { 407 const struct ieee80211_mcs_rates *mcs = 408 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS]; 409 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) { 410 if (ni->ni_htcap & IEEE80211_HTCAP_SHORTGI40) 411 si->isi_txmbps = mcs->ht40_rate_800ns; 412 else 413 si->isi_txmbps = mcs->ht40_rate_400ns; 414 } else { 415 if (ni->ni_htcap & IEEE80211_HTCAP_SHORTGI20) 416 si->isi_txmbps = mcs->ht20_rate_800ns; 417 else 418 si->isi_txmbps = mcs->ht20_rate_400ns; 419 } 420 } else 421 si->isi_txmbps = si->isi_txrate; 422 si->isi_associd = ni->ni_associd; 423 si->isi_txpower = ni->ni_txpower; 424 si->isi_vlan = ni->ni_vlan; 425 if (ni->ni_flags & IEEE80211_NODE_QOS) { 426 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 427 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 428 } else { 429 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID]; 430 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID]; 431 } 432 /* NB: leave all cases in case we relax ni_associd == 0 check */ 433 if (ieee80211_node_is_authorized(ni)) 434 si->isi_inact = vap->iv_inact_run; 435 else if (ni->ni_associd != 0 || 436 (vap->iv_opmode == IEEE80211_M_WDS && 437 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY))) 438 si->isi_inact = vap->iv_inact_auth; 439 else 440 si->isi_inact = vap->iv_inact_init; 441 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 442 443 if (ielen) { 444 cp = ((uint8_t *)si) + si->isi_ie_off; 445 memcpy(cp, ni->ni_ies.data, ielen); 446 } 447 448 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len); 449 req->space -= len; 450 } 451 452 static __noinline int 453 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq, 454 struct ieee80211_node *ni, int off) 455 { 456 struct ieee80211com *ic = vap->iv_ic; 457 struct stainforeq req; 458 size_t space; 459 void *p; 460 int error; 461 462 error = 0; 463 req.space = 0; 464 req.vap = vap; 465 if (ni == NULL) 466 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req); 467 else 468 get_sta_space(&req, ni); 469 if (req.space > ireq->i_len) 470 req.space = ireq->i_len; 471 if (req.space > 0) { 472 space = req.space; 473 /* XXX M_WAITOK after driver lock released */ 474 p = malloc(space, M_TEMP, M_NOWAIT | M_ZERO); 475 if (p == NULL) { 476 error = ENOMEM; 477 goto bad; 478 } 479 req.si = p; 480 if (ni == NULL) 481 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req); 482 else 483 get_sta_info(&req, ni); 484 ireq->i_len = space - req.space; 485 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len); 486 free(p, M_TEMP); 487 } else 488 ireq->i_len = 0; 489 bad: 490 if (ni != NULL) 491 ieee80211_free_node(ni); 492 return error; 493 } 494 495 static __noinline int 496 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 497 { 498 uint8_t macaddr[IEEE80211_ADDR_LEN]; 499 const int off = __offsetof(struct ieee80211req_sta_req, info); 500 struct ieee80211_node *ni; 501 int error; 502 503 if (ireq->i_len < sizeof(struct ieee80211req_sta_req)) 504 return EFAULT; 505 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 506 if (error != 0) 507 return error; 508 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) { 509 ni = NULL; 510 } else { 511 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 512 if (ni == NULL) 513 return ENOENT; 514 } 515 return getstainfo_common(vap, ireq, ni, off); 516 } 517 518 static __noinline int 519 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 520 { 521 struct ieee80211_node *ni; 522 struct ieee80211req_sta_txpow txpow; 523 int error; 524 525 if (ireq->i_len != sizeof(txpow)) 526 return EINVAL; 527 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 528 if (error != 0) 529 return error; 530 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 531 if (ni == NULL) 532 return ENOENT; 533 txpow.it_txpow = ni->ni_txpower; 534 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 535 ieee80211_free_node(ni); 536 return error; 537 } 538 539 static __noinline int 540 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 541 { 542 struct ieee80211com *ic = vap->iv_ic; 543 struct ieee80211_wme_state *wme = &ic->ic_wme; 544 struct wmeParams *wmep; 545 int ac; 546 547 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 548 return EINVAL; 549 550 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 551 if (ac >= WME_NUM_AC) 552 ac = WME_AC_BE; 553 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 554 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 555 else 556 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 557 switch (ireq->i_type) { 558 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 559 ireq->i_val = wmep->wmep_logcwmin; 560 break; 561 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 562 ireq->i_val = wmep->wmep_logcwmax; 563 break; 564 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 565 ireq->i_val = wmep->wmep_aifsn; 566 break; 567 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 568 ireq->i_val = wmep->wmep_txopLimit; 569 break; 570 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 571 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 572 ireq->i_val = wmep->wmep_acm; 573 break; 574 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 575 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 576 ireq->i_val = !wmep->wmep_noackPolicy; 577 break; 578 } 579 return 0; 580 } 581 582 static __noinline int 583 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 584 { 585 const struct ieee80211_aclator *acl = vap->iv_acl; 586 587 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq)); 588 } 589 590 /* 591 * Return the current ``state'' of an Atheros capbility. 592 * If associated in station mode report the negotiated 593 * setting. Otherwise report the current setting. 594 */ 595 static int 596 getathcap(struct ieee80211vap *vap, int cap) 597 { 598 if (vap->iv_opmode == IEEE80211_M_STA && 599 vap->iv_state == IEEE80211_S_RUN) 600 return IEEE80211_ATH_CAP(vap, vap->iv_bss, cap) != 0; 601 else 602 return (vap->iv_flags & cap) != 0; 603 } 604 605 static __noinline int 606 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq) 607 { 608 struct ieee80211com *ic = vap->iv_ic; 609 struct ieee80211_channel *c; 610 611 if (ireq->i_len != sizeof(struct ieee80211_channel)) 612 return EINVAL; 613 /* 614 * vap's may have different operating channels when HT is 615 * in use. When in RUN state report the vap-specific channel. 616 * Otherwise return curchan. 617 */ 618 if (vap->iv_state == IEEE80211_S_RUN) 619 c = vap->iv_bss->ni_chan; 620 else 621 c = ic->ic_curchan; 622 return copyout(c, ireq->i_data, sizeof(*c)); 623 } 624 625 static int 626 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq) 627 { 628 if (aie == NULL) 629 return EINVAL; 630 /* NB: truncate, caller can check length */ 631 if (ireq->i_len > aie->ie_len) 632 ireq->i_len = aie->ie_len; 633 return copyout(aie->ie_data, ireq->i_data, ireq->i_len); 634 } 635 636 static int 637 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq) 638 { 639 uint8_t fc0; 640 641 fc0 = ireq->i_val & 0xff; 642 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 643 return EINVAL; 644 /* NB: could check iv_opmode and reject but hardly worth the effort */ 645 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 646 case IEEE80211_FC0_SUBTYPE_BEACON: 647 return getappie(vap->iv_appie_beacon, ireq); 648 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 649 return getappie(vap->iv_appie_proberesp, ireq); 650 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 651 return getappie(vap->iv_appie_assocresp, ireq); 652 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 653 return getappie(vap->iv_appie_probereq, ireq); 654 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 655 return getappie(vap->iv_appie_assocreq, ireq); 656 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP: 657 return getappie(vap->iv_appie_wpa, ireq); 658 } 659 return EINVAL; 660 } 661 662 static __noinline int 663 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap, 664 const struct ieee80211req *ireq) 665 { 666 struct ieee80211com *ic = vap->iv_ic; 667 668 if (ireq->i_len != sizeof(ic->ic_regdomain)) 669 return EINVAL; 670 return copyout(&ic->ic_regdomain, ireq->i_data, 671 sizeof(ic->ic_regdomain)); 672 } 673 674 static __noinline int 675 ieee80211_ioctl_getroam(struct ieee80211vap *vap, 676 const struct ieee80211req *ireq) 677 { 678 size_t len = ireq->i_len; 679 /* NB: accept short requests for backwards compat */ 680 if (len > sizeof(vap->iv_roamparms)) 681 len = sizeof(vap->iv_roamparms); 682 return copyout(vap->iv_roamparms, ireq->i_data, len); 683 } 684 685 static __noinline int 686 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap, 687 const struct ieee80211req *ireq) 688 { 689 size_t len = ireq->i_len; 690 /* NB: accept short requests for backwards compat */ 691 if (len > sizeof(vap->iv_txparms)) 692 len = sizeof(vap->iv_txparms); 693 return copyout(vap->iv_txparms, ireq->i_data, len); 694 } 695 696 static __noinline int 697 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic, 698 const struct ieee80211req *ireq) 699 { 700 struct ieee80211_devcaps_req *dc; 701 struct ieee80211req_chaninfo *ci; 702 int maxchans, error; 703 704 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) / 705 sizeof(struct ieee80211_channel)); 706 /* NB: require 1 so we know ic_nchans is accessible */ 707 if (maxchans < 1) 708 return EINVAL; 709 /* constrain max request size, 2K channels is ~24Kbytes */ 710 if (maxchans > 2048) 711 maxchans = 2048; 712 dc = (struct ieee80211_devcaps_req *) 713 malloc(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, M_NOWAIT | M_ZERO); 714 if (dc == NULL) 715 return ENOMEM; 716 dc->dc_drivercaps = ic->ic_caps; 717 dc->dc_cryptocaps = ic->ic_cryptocaps; 718 dc->dc_htcaps = ic->ic_htcaps; 719 ci = &dc->dc_chaninfo; 720 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans); 721 KASSERT(ci->ic_nchans <= maxchans, 722 ("nchans %d maxchans %d", ci->ic_nchans, maxchans)); 723 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans); 724 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc)); 725 free(dc, M_TEMP); 726 return error; 727 } 728 729 static __noinline int 730 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 731 { 732 struct ieee80211_node *ni; 733 struct ieee80211req_sta_vlan vlan; 734 int error; 735 736 if (ireq->i_len != sizeof(vlan)) 737 return EINVAL; 738 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 739 if (error != 0) 740 return error; 741 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 742 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 743 vlan.sv_macaddr); 744 if (ni == NULL) 745 return ENOENT; 746 } else 747 ni = ieee80211_ref_node(vap->iv_bss); 748 vlan.sv_vlan = ni->ni_vlan; 749 error = copyout(&vlan, ireq->i_data, sizeof(vlan)); 750 ieee80211_free_node(ni); 751 return error; 752 } 753 754 /* 755 * When building the kernel with -O2 on the i386 architecture, gcc 756 * seems to want to inline this function into ieee80211_ioctl() 757 * (which is the only routine that calls it). When this happens, 758 * ieee80211_ioctl() ends up consuming an additional 2K of stack 759 * space. (Exactly why it needs so much is unclear.) The problem 760 * is that it's possible for ieee80211_ioctl() to invoke other 761 * routines (including driver init functions) which could then find 762 * themselves perilously close to exhausting the stack. 763 * 764 * To avoid this, we deliberately prevent gcc from inlining this 765 * routine. Another way to avoid this is to use less agressive 766 * optimization when compiling this file (i.e. -O instead of -O2) 767 * but special-casing the compilation of this one module in the 768 * build system would be awkward. 769 */ 770 static __noinline int 771 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd, 772 struct ieee80211req *ireq) 773 { 774 #define MS(_v, _f) (((_v) & _f) >> _f##_S) 775 struct ieee80211com *ic = vap->iv_ic; 776 u_int kid, len; 777 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 778 char tmpssid[IEEE80211_NWID_LEN]; 779 int error = 0; 780 781 switch (ireq->i_type) { 782 case IEEE80211_IOC_SSID: 783 switch (vap->iv_state) { 784 case IEEE80211_S_INIT: 785 case IEEE80211_S_SCAN: 786 ireq->i_len = vap->iv_des_ssid[0].len; 787 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); 788 break; 789 default: 790 ireq->i_len = vap->iv_bss->ni_esslen; 791 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); 792 break; 793 } 794 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 795 break; 796 case IEEE80211_IOC_NUMSSIDS: 797 ireq->i_val = 1; 798 break; 799 case IEEE80211_IOC_WEP: 800 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 801 ireq->i_val = IEEE80211_WEP_OFF; 802 else if (vap->iv_flags & IEEE80211_F_DROPUNENC) 803 ireq->i_val = IEEE80211_WEP_ON; 804 else 805 ireq->i_val = IEEE80211_WEP_MIXED; 806 break; 807 case IEEE80211_IOC_WEPKEY: 808 kid = (u_int) ireq->i_val; 809 if (kid >= IEEE80211_WEP_NKID) 810 return EINVAL; 811 len = (u_int) vap->iv_nw_keys[kid].wk_keylen; 812 /* NB: only root can read WEP keys */ 813 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 814 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); 815 } else { 816 bzero(tmpkey, len); 817 } 818 ireq->i_len = len; 819 error = copyout(tmpkey, ireq->i_data, len); 820 break; 821 case IEEE80211_IOC_NUMWEPKEYS: 822 ireq->i_val = IEEE80211_WEP_NKID; 823 break; 824 case IEEE80211_IOC_WEPTXKEY: 825 ireq->i_val = vap->iv_def_txkey; 826 break; 827 case IEEE80211_IOC_AUTHMODE: 828 if (vap->iv_flags & IEEE80211_F_WPA) 829 ireq->i_val = IEEE80211_AUTH_WPA; 830 else 831 ireq->i_val = vap->iv_bss->ni_authmode; 832 break; 833 case IEEE80211_IOC_CHANNEL: 834 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 835 break; 836 case IEEE80211_IOC_POWERSAVE: 837 if (vap->iv_flags & IEEE80211_F_PMGTON) 838 ireq->i_val = IEEE80211_POWERSAVE_ON; 839 else 840 ireq->i_val = IEEE80211_POWERSAVE_OFF; 841 break; 842 case IEEE80211_IOC_POWERSAVESLEEP: 843 ireq->i_val = ic->ic_lintval; 844 break; 845 case IEEE80211_IOC_RTSTHRESHOLD: 846 ireq->i_val = vap->iv_rtsthreshold; 847 break; 848 case IEEE80211_IOC_PROTMODE: 849 ireq->i_val = ic->ic_protmode; 850 break; 851 case IEEE80211_IOC_TXPOWER: 852 /* 853 * Tx power limit is the min of max regulatory 854 * power, any user-set limit, and the max the 855 * radio can do. 856 */ 857 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; 858 if (ireq->i_val > ic->ic_txpowlimit) 859 ireq->i_val = ic->ic_txpowlimit; 860 if (ireq->i_val > ic->ic_curchan->ic_maxpower) 861 ireq->i_val = ic->ic_curchan->ic_maxpower; 862 break; 863 case IEEE80211_IOC_WPA: 864 switch (vap->iv_flags & IEEE80211_F_WPA) { 865 case IEEE80211_F_WPA1: 866 ireq->i_val = 1; 867 break; 868 case IEEE80211_F_WPA2: 869 ireq->i_val = 2; 870 break; 871 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 872 ireq->i_val = 3; 873 break; 874 default: 875 ireq->i_val = 0; 876 break; 877 } 878 break; 879 case IEEE80211_IOC_CHANLIST: 880 error = ieee80211_ioctl_getchanlist(vap, ireq); 881 break; 882 case IEEE80211_IOC_ROAMING: 883 ireq->i_val = vap->iv_roaming; 884 break; 885 case IEEE80211_IOC_PRIVACY: 886 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; 887 break; 888 case IEEE80211_IOC_DROPUNENCRYPTED: 889 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; 890 break; 891 case IEEE80211_IOC_COUNTERMEASURES: 892 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; 893 break; 894 case IEEE80211_IOC_WME: 895 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; 896 break; 897 case IEEE80211_IOC_HIDESSID: 898 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; 899 break; 900 case IEEE80211_IOC_APBRIDGE: 901 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; 902 break; 903 case IEEE80211_IOC_WPAKEY: 904 error = ieee80211_ioctl_getkey(vap, ireq); 905 break; 906 case IEEE80211_IOC_CHANINFO: 907 error = ieee80211_ioctl_getchaninfo(vap, ireq); 908 break; 909 case IEEE80211_IOC_BSSID: 910 if (ireq->i_len != IEEE80211_ADDR_LEN) 911 return EINVAL; 912 error = copyout(vap->iv_state == IEEE80211_S_RUN ? 913 vap->iv_bss->ni_bssid : 914 vap->iv_des_bssid, 915 ireq->i_data, ireq->i_len); 916 break; 917 case IEEE80211_IOC_WPAIE: 918 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 919 break; 920 case IEEE80211_IOC_WPAIE2: 921 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 922 break; 923 case IEEE80211_IOC_SCAN_RESULTS: 924 error = ieee80211_ioctl_getscanresults(vap, ireq); 925 break; 926 case IEEE80211_IOC_STA_STATS: 927 error = ieee80211_ioctl_getstastats(vap, ireq); 928 break; 929 case IEEE80211_IOC_TXPOWMAX: 930 ireq->i_val = vap->iv_bss->ni_txpower; 931 break; 932 case IEEE80211_IOC_STA_TXPOW: 933 error = ieee80211_ioctl_getstatxpow(vap, ireq); 934 break; 935 case IEEE80211_IOC_STA_INFO: 936 error = ieee80211_ioctl_getstainfo(vap, ireq); 937 break; 938 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 939 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 940 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 941 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 942 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 943 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 944 error = ieee80211_ioctl_getwmeparam(vap, ireq); 945 break; 946 case IEEE80211_IOC_DTIM_PERIOD: 947 ireq->i_val = vap->iv_dtim_period; 948 break; 949 case IEEE80211_IOC_BEACON_INTERVAL: 950 /* NB: get from ic_bss for station mode */ 951 ireq->i_val = vap->iv_bss->ni_intval; 952 break; 953 case IEEE80211_IOC_PUREG: 954 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; 955 break; 956 case IEEE80211_IOC_FF: 957 ireq->i_val = getathcap(vap, IEEE80211_F_FF); 958 break; 959 case IEEE80211_IOC_TURBOP: 960 ireq->i_val = getathcap(vap, IEEE80211_F_TURBOP); 961 break; 962 case IEEE80211_IOC_BGSCAN: 963 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 964 break; 965 case IEEE80211_IOC_BGSCAN_IDLE: 966 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 967 break; 968 case IEEE80211_IOC_BGSCAN_INTERVAL: 969 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 970 break; 971 case IEEE80211_IOC_SCANVALID: 972 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 973 break; 974 case IEEE80211_IOC_FRAGTHRESHOLD: 975 ireq->i_val = vap->iv_fragthreshold; 976 break; 977 case IEEE80211_IOC_MACCMD: 978 error = ieee80211_ioctl_getmaccmd(vap, ireq); 979 break; 980 case IEEE80211_IOC_BURST: 981 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 982 break; 983 case IEEE80211_IOC_BMISSTHRESHOLD: 984 ireq->i_val = vap->iv_bmissthreshold; 985 break; 986 case IEEE80211_IOC_CURCHAN: 987 error = ieee80211_ioctl_getcurchan(vap, ireq); 988 break; 989 case IEEE80211_IOC_SHORTGI: 990 ireq->i_val = 0; 991 if (vap->iv_flags_ext & IEEE80211_FEXT_SHORTGI20) 992 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 993 if (vap->iv_flags_ext & IEEE80211_FEXT_SHORTGI40) 994 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 995 break; 996 case IEEE80211_IOC_AMPDU: 997 ireq->i_val = 0; 998 if (vap->iv_flags_ext & IEEE80211_FEXT_AMPDU_TX) 999 ireq->i_val |= 1; 1000 if (vap->iv_flags_ext & IEEE80211_FEXT_AMPDU_RX) 1001 ireq->i_val |= 2; 1002 break; 1003 case IEEE80211_IOC_AMPDU_LIMIT: 1004 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1005 ireq->i_val = vap->iv_ampdu_rxmax; 1006 else if (vap->iv_state == IEEE80211_S_RUN) 1007 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1008 IEEE80211_HTCAP_MAXRXAMPDU); 1009 else 1010 ireq->i_val = vap->iv_ampdu_limit; 1011 break; 1012 case IEEE80211_IOC_AMPDU_DENSITY: 1013 if (vap->iv_opmode == IEEE80211_M_STA && 1014 vap->iv_state == IEEE80211_S_RUN) 1015 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1016 IEEE80211_HTCAP_MPDUDENSITY); 1017 else 1018 ireq->i_val = vap->iv_ampdu_density; 1019 break; 1020 case IEEE80211_IOC_AMSDU: 1021 ireq->i_val = 0; 1022 if (vap->iv_flags_ext & IEEE80211_FEXT_AMSDU_TX) 1023 ireq->i_val |= 1; 1024 if (vap->iv_flags_ext & IEEE80211_FEXT_AMSDU_RX) 1025 ireq->i_val |= 2; 1026 break; 1027 case IEEE80211_IOC_AMSDU_LIMIT: 1028 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1029 break; 1030 case IEEE80211_IOC_PUREN: 1031 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_PUREN) != 0; 1032 break; 1033 case IEEE80211_IOC_DOTH: 1034 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1035 break; 1036 case IEEE80211_IOC_REGDOMAIN: 1037 error = ieee80211_ioctl_getregdomain(vap, ireq); 1038 break; 1039 case IEEE80211_IOC_ROAM: 1040 error = ieee80211_ioctl_getroam(vap, ireq); 1041 break; 1042 case IEEE80211_IOC_TXPARAMS: 1043 error = ieee80211_ioctl_gettxparams(vap, ireq); 1044 break; 1045 case IEEE80211_IOC_HTCOMPAT: 1046 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_HTCOMPAT) != 0; 1047 break; 1048 case IEEE80211_IOC_DWDS: 1049 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1050 break; 1051 case IEEE80211_IOC_INACTIVITY: 1052 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1053 break; 1054 case IEEE80211_IOC_APPIE: 1055 error = ieee80211_ioctl_getappie(vap, ireq); 1056 break; 1057 case IEEE80211_IOC_WPS: 1058 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1059 break; 1060 case IEEE80211_IOC_TSN: 1061 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1062 break; 1063 case IEEE80211_IOC_DFS: 1064 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1065 break; 1066 case IEEE80211_IOC_DOTD: 1067 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1068 break; 1069 case IEEE80211_IOC_DEVCAPS: 1070 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1071 break; 1072 case IEEE80211_IOC_HTPROTMODE: 1073 ireq->i_val = ic->ic_htprotmode; 1074 break; 1075 case IEEE80211_IOC_HTCONF: 1076 if (vap->iv_flags_ext & IEEE80211_FEXT_HT) { 1077 ireq->i_val = 1; 1078 if (vap->iv_flags_ext & IEEE80211_FEXT_USEHT40) 1079 ireq->i_val |= 2; 1080 } else 1081 ireq->i_val = 0; 1082 break; 1083 case IEEE80211_IOC_STA_VLAN: 1084 error = ieee80211_ioctl_getstavlan(vap, ireq); 1085 break; 1086 case IEEE80211_IOC_SMPS: 1087 if (vap->iv_opmode == IEEE80211_M_STA && 1088 vap->iv_state == IEEE80211_S_RUN) { 1089 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1090 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1091 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1092 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1093 else 1094 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1095 } else 1096 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1097 break; 1098 case IEEE80211_IOC_RIFS: 1099 if (vap->iv_opmode == IEEE80211_M_STA && 1100 vap->iv_state == IEEE80211_S_RUN) 1101 ireq->i_val = 1102 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1103 else 1104 ireq->i_val = 1105 (vap->iv_flags_ext & IEEE80211_FEXT_RIFS) != 0; 1106 break; 1107 #ifdef IEEE80211_SUPPORT_TDMA 1108 case IEEE80211_IOC_TDMA_SLOT: 1109 case IEEE80211_IOC_TDMA_SLOTCNT: 1110 case IEEE80211_IOC_TDMA_SLOTLEN: 1111 case IEEE80211_IOC_TDMA_BINTERVAL: 1112 error = ieee80211_tdma_ioctl_get80211(vap, ireq); 1113 break; 1114 #endif 1115 default: 1116 error = EINVAL; 1117 break; 1118 } 1119 return error; 1120 #undef MS 1121 } 1122 1123 static __noinline int 1124 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1125 { 1126 struct ieee80211req_key ik; 1127 struct ieee80211_node *ni; 1128 struct ieee80211_key *wk; 1129 uint16_t kid; 1130 int error, i; 1131 1132 if (ireq->i_len != sizeof(ik)) 1133 return EINVAL; 1134 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1135 if (error) 1136 return error; 1137 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1138 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1139 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1140 return E2BIG; 1141 kid = ik.ik_keyix; 1142 if (kid == IEEE80211_KEYIX_NONE) { 1143 /* XXX unicast keys currently must be tx/rx */ 1144 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1145 return EINVAL; 1146 if (vap->iv_opmode == IEEE80211_M_STA) { 1147 ni = ieee80211_ref_node(vap->iv_bss); 1148 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1149 ieee80211_free_node(ni); 1150 return EADDRNOTAVAIL; 1151 } 1152 } else { 1153 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1154 ik.ik_macaddr); 1155 if (ni == NULL) 1156 return ENOENT; 1157 } 1158 wk = &ni->ni_ucastkey; 1159 } else { 1160 if (kid >= IEEE80211_WEP_NKID) 1161 return EINVAL; 1162 wk = &vap->iv_nw_keys[kid]; 1163 /* 1164 * Global slots start off w/o any assigned key index. 1165 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1166 */ 1167 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1168 wk->wk_keyix = kid; 1169 ni = NULL; 1170 } 1171 error = 0; 1172 ieee80211_key_update_begin(vap); 1173 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1174 wk->wk_keylen = ik.ik_keylen; 1175 /* NB: MIC presence is implied by cipher type */ 1176 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1177 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1178 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1179 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1180 wk->wk_keytsc = 0; /* new key, reset */ 1181 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1182 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1183 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1184 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1185 if (!ieee80211_crypto_setkey(vap, wk)) 1186 error = EIO; 1187 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1188 vap->iv_def_txkey = kid; 1189 } else 1190 error = ENXIO; 1191 ieee80211_key_update_end(vap); 1192 if (ni != NULL) 1193 ieee80211_free_node(ni); 1194 return error; 1195 } 1196 1197 static __noinline int 1198 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1199 { 1200 struct ieee80211req_del_key dk; 1201 int kid, error; 1202 1203 if (ireq->i_len != sizeof(dk)) 1204 return EINVAL; 1205 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1206 if (error) 1207 return error; 1208 kid = dk.idk_keyix; 1209 /* XXX uint8_t -> uint16_t */ 1210 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1211 struct ieee80211_node *ni; 1212 1213 if (vap->iv_opmode == IEEE80211_M_STA) { 1214 ni = ieee80211_ref_node(vap->iv_bss); 1215 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1216 ieee80211_free_node(ni); 1217 return EADDRNOTAVAIL; 1218 } 1219 } else { 1220 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1221 dk.idk_macaddr); 1222 if (ni == NULL) 1223 return ENOENT; 1224 } 1225 /* XXX error return */ 1226 ieee80211_node_delucastkey(ni); 1227 ieee80211_free_node(ni); 1228 } else { 1229 if (kid >= IEEE80211_WEP_NKID) 1230 return EINVAL; 1231 /* XXX error return */ 1232 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1233 } 1234 return 0; 1235 } 1236 1237 struct mlmeop { 1238 struct ieee80211vap *vap; 1239 int op; 1240 int reason; 1241 }; 1242 1243 static void 1244 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1245 int op, int reason) 1246 { 1247 #ifdef IEEE80211_DEBUG 1248 static const struct { 1249 int mask; 1250 const char *opstr; 1251 } ops[] = { 1252 { 0, "op#0" }, 1253 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1254 IEEE80211_MSG_ASSOC, "assoc" }, 1255 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1256 IEEE80211_MSG_ASSOC, "disassoc" }, 1257 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1258 IEEE80211_MSG_AUTH, "deauth" }, 1259 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1260 IEEE80211_MSG_AUTH, "authorize" }, 1261 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1262 IEEE80211_MSG_AUTH, "unauthorize" }, 1263 }; 1264 1265 if (op == IEEE80211_MLME_AUTH) { 1266 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1267 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1268 "station authenticate %s via MLME (reason %d)", 1269 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1270 reason); 1271 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1272 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1273 "unknown MLME request %d (reason %d)", op, reason); 1274 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1275 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1276 "station %s via MLME", ops[op].opstr); 1277 } else { 1278 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1279 "station %s via MLME (reason %d)", ops[op].opstr, reason); 1280 } 1281 #endif /* IEEE80211_DEBUG */ 1282 } 1283 1284 static void 1285 domlme(void *arg, struct ieee80211_node *ni) 1286 { 1287 struct mlmeop *mop = arg; 1288 struct ieee80211vap *vap = ni->ni_vap; 1289 1290 if (vap != mop->vap) 1291 return; 1292 /* 1293 * NB: if ni_associd is zero then the node is already cleaned 1294 * up and we don't need to do this (we're safely holding a 1295 * reference but should otherwise not modify it's state). 1296 */ 1297 if (ni->ni_associd == 0) 1298 return; 1299 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1300 if (mop->op == IEEE80211_MLME_DEAUTH) { 1301 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1302 mop->reason); 1303 } else { 1304 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1305 mop->reason); 1306 } 1307 ieee80211_node_leave(ni); 1308 } 1309 1310 static int 1311 setmlme_dropsta(struct ieee80211vap *vap, 1312 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1313 { 1314 struct ieee80211com *ic = vap->iv_ic; 1315 struct ieee80211_node_table *nt = &ic->ic_sta; 1316 struct ieee80211_node *ni; 1317 int error = 0; 1318 1319 /* NB: the broadcast address means do 'em all */ 1320 if (!IEEE80211_ADDR_EQ(mac, ic->ic_ifp->if_broadcastaddr)) { 1321 IEEE80211_NODE_LOCK(nt); 1322 ni = ieee80211_find_node_locked(nt, mac); 1323 if (ni != NULL) { 1324 domlme(mlmeop, ni); 1325 ieee80211_free_node(ni); 1326 } else 1327 error = ENOENT; 1328 IEEE80211_NODE_UNLOCK(nt); 1329 } else { 1330 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1331 } 1332 return error; 1333 } 1334 1335 static __noinline int 1336 setmlme_common(struct ieee80211vap *vap, int op, 1337 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1338 { 1339 struct ieee80211com *ic = vap->iv_ic; 1340 struct ieee80211_node_table *nt = &ic->ic_sta; 1341 struct ieee80211_node *ni; 1342 struct mlmeop mlmeop; 1343 int error; 1344 1345 error = 0; 1346 switch (op) { 1347 case IEEE80211_MLME_DISASSOC: 1348 case IEEE80211_MLME_DEAUTH: 1349 switch (vap->iv_opmode) { 1350 case IEEE80211_M_STA: 1351 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1352 /* XXX not quite right */ 1353 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1354 break; 1355 case IEEE80211_M_HOSTAP: 1356 mlmeop.vap = vap; 1357 mlmeop.op = op; 1358 mlmeop.reason = reason; 1359 error = setmlme_dropsta(vap, mac, &mlmeop); 1360 break; 1361 case IEEE80211_M_WDS: 1362 /* XXX user app should send raw frame? */ 1363 if (op != IEEE80211_MLME_DEAUTH) { 1364 error = EINVAL; 1365 break; 1366 } 1367 #if 0 1368 /* XXX accept any address, simplifies user code */ 1369 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1370 error = EINVAL; 1371 break; 1372 } 1373 #endif 1374 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1375 ni = ieee80211_ref_node(vap->iv_bss); 1376 IEEE80211_SEND_MGMT(ni, 1377 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1378 ieee80211_free_node(ni); 1379 break; 1380 default: 1381 error = EINVAL; 1382 break; 1383 } 1384 break; 1385 case IEEE80211_MLME_AUTHORIZE: 1386 case IEEE80211_MLME_UNAUTHORIZE: 1387 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1388 vap->iv_opmode != IEEE80211_M_WDS) { 1389 error = EINVAL; 1390 break; 1391 } 1392 IEEE80211_NODE_LOCK(nt); 1393 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1394 if (ni != NULL) { 1395 mlmedebug(vap, mac, op, reason); 1396 if (op == IEEE80211_MLME_AUTHORIZE) 1397 ieee80211_node_authorize(ni); 1398 else 1399 ieee80211_node_unauthorize(ni); 1400 ieee80211_free_node(ni); 1401 } else 1402 error = ENOENT; 1403 IEEE80211_NODE_UNLOCK(nt); 1404 break; 1405 case IEEE80211_MLME_AUTH: 1406 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1407 error = EINVAL; 1408 break; 1409 } 1410 IEEE80211_NODE_LOCK(nt); 1411 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1412 if (ni != NULL) { 1413 mlmedebug(vap, mac, op, reason); 1414 if (reason == IEEE80211_STATUS_SUCCESS) { 1415 IEEE80211_SEND_MGMT(ni, 1416 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1417 /* 1418 * For shared key auth, just continue the 1419 * exchange. Otherwise when 802.1x is not in 1420 * use mark the port authorized at this point 1421 * so traffic can flow. 1422 */ 1423 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1424 ni->ni_challenge == NULL) 1425 ieee80211_node_authorize(ni); 1426 } else { 1427 vap->iv_stats.is_rx_acl++; 1428 ieee80211_send_error(ni, ni->ni_macaddr, 1429 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1430 ieee80211_node_leave(ni); 1431 } 1432 ieee80211_free_node(ni); 1433 } else 1434 error = ENOENT; 1435 IEEE80211_NODE_UNLOCK(nt); 1436 break; 1437 default: 1438 error = EINVAL; 1439 break; 1440 } 1441 return error; 1442 } 1443 1444 struct scanlookup { 1445 const uint8_t *mac; 1446 int esslen; 1447 const uint8_t *essid; 1448 const struct ieee80211_scan_entry *se; 1449 }; 1450 1451 /* 1452 * Match mac address and any ssid. 1453 */ 1454 static void 1455 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1456 { 1457 struct scanlookup *look = arg; 1458 1459 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1460 return; 1461 if (look->esslen != 0) { 1462 if (se->se_ssid[1] != look->esslen) 1463 return; 1464 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1465 return; 1466 } 1467 look->se = se; 1468 } 1469 1470 static __noinline int 1471 setmlme_assoc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1472 int ssid_len, const uint8_t ssid[IEEE80211_NWID_LEN]) 1473 { 1474 struct scanlookup lookup; 1475 1476 /* XXX ibss/ahdemo */ 1477 if (vap->iv_opmode != IEEE80211_M_STA) 1478 return EINVAL; 1479 1480 /* NB: this is racey if roaming is !manual */ 1481 lookup.se = NULL; 1482 lookup.mac = mac; 1483 lookup.esslen = ssid_len; 1484 lookup.essid = ssid; 1485 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1486 if (lookup.se == NULL) 1487 return ENOENT; 1488 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1489 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1490 return EIO; /* XXX unique but could be better */ 1491 return 0; 1492 } 1493 1494 static __noinline int 1495 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1496 { 1497 struct ieee80211req_mlme mlme; 1498 int error; 1499 1500 if (ireq->i_len != sizeof(mlme)) 1501 return EINVAL; 1502 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1503 if (error) 1504 return error; 1505 if (mlme.im_op == IEEE80211_MLME_ASSOC) 1506 return setmlme_assoc(vap, mlme.im_macaddr, 1507 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1508 else 1509 return setmlme_common(vap, mlme.im_op, 1510 mlme.im_macaddr, mlme.im_reason); 1511 } 1512 1513 static __noinline int 1514 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1515 { 1516 uint8_t mac[IEEE80211_ADDR_LEN]; 1517 const struct ieee80211_aclator *acl = vap->iv_acl; 1518 int error; 1519 1520 if (ireq->i_len != sizeof(mac)) 1521 return EINVAL; 1522 error = copyin(ireq->i_data, mac, ireq->i_len); 1523 if (error) 1524 return error; 1525 if (acl == NULL) { 1526 acl = ieee80211_aclator_get("mac"); 1527 if (acl == NULL || !acl->iac_attach(vap)) 1528 return EINVAL; 1529 vap->iv_acl = acl; 1530 } 1531 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1532 acl->iac_add(vap, mac); 1533 else 1534 acl->iac_remove(vap, mac); 1535 return 0; 1536 } 1537 1538 static __noinline int 1539 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1540 { 1541 const struct ieee80211_aclator *acl = vap->iv_acl; 1542 1543 switch (ireq->i_val) { 1544 case IEEE80211_MACCMD_POLICY_OPEN: 1545 case IEEE80211_MACCMD_POLICY_ALLOW: 1546 case IEEE80211_MACCMD_POLICY_DENY: 1547 case IEEE80211_MACCMD_POLICY_RADIUS: 1548 if (acl == NULL) { 1549 acl = ieee80211_aclator_get("mac"); 1550 if (acl == NULL || !acl->iac_attach(vap)) 1551 return EINVAL; 1552 vap->iv_acl = acl; 1553 } 1554 acl->iac_setpolicy(vap, ireq->i_val); 1555 break; 1556 case IEEE80211_MACCMD_FLUSH: 1557 if (acl != NULL) 1558 acl->iac_flush(vap); 1559 /* NB: silently ignore when not in use */ 1560 break; 1561 case IEEE80211_MACCMD_DETACH: 1562 if (acl != NULL) { 1563 vap->iv_acl = NULL; 1564 acl->iac_detach(vap); 1565 } 1566 break; 1567 default: 1568 if (acl == NULL) 1569 return EINVAL; 1570 else 1571 return acl->iac_setioctl(vap, ireq); 1572 } 1573 return 0; 1574 } 1575 1576 static __noinline int 1577 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1578 { 1579 struct ieee80211com *ic = vap->iv_ic; 1580 uint8_t *chanlist, *list; 1581 int i, nchan, maxchan, error; 1582 1583 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1584 ireq->i_len = sizeof(ic->ic_chan_active); 1585 list = malloc(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1586 M_NOWAIT | M_ZERO); 1587 if (list == NULL) 1588 return ENOMEM; 1589 error = copyin(ireq->i_data, list, ireq->i_len); 1590 if (error) 1591 return error; 1592 nchan = 0; 1593 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1594 maxchan = ireq->i_len * NBBY; 1595 for (i = 0; i < ic->ic_nchans; i++) { 1596 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1597 /* 1598 * Calculate the intersection of the user list and the 1599 * available channels so users can do things like specify 1600 * 1-255 to get all available channels. 1601 */ 1602 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1603 setbit(chanlist, c->ic_ieee); 1604 nchan++; 1605 } 1606 } 1607 if (nchan == 0) 1608 return EINVAL; 1609 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1610 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1611 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1612 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1613 ieee80211_scan_flush(vap); 1614 free(list, M_TEMP); 1615 return ENETRESET; 1616 } 1617 1618 static __noinline int 1619 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1620 { 1621 struct ieee80211_node *ni; 1622 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1623 int error; 1624 1625 /* 1626 * NB: we could copyin ieee80211req_sta_stats so apps 1627 * could make selective changes but that's overkill; 1628 * just clear all stats for now. 1629 */ 1630 if (ireq->i_len < IEEE80211_ADDR_LEN) 1631 return EINVAL; 1632 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1633 if (error != 0) 1634 return error; 1635 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1636 if (ni == NULL) 1637 return ENOENT; 1638 /* XXX require ni_vap == vap? */ 1639 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1640 ieee80211_free_node(ni); 1641 return 0; 1642 } 1643 1644 static __noinline int 1645 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1646 { 1647 struct ieee80211_node *ni; 1648 struct ieee80211req_sta_txpow txpow; 1649 int error; 1650 1651 if (ireq->i_len != sizeof(txpow)) 1652 return EINVAL; 1653 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1654 if (error != 0) 1655 return error; 1656 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1657 if (ni == NULL) 1658 return ENOENT; 1659 ni->ni_txpower = txpow.it_txpow; 1660 ieee80211_free_node(ni); 1661 return error; 1662 } 1663 1664 static __noinline int 1665 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1666 { 1667 struct ieee80211com *ic = vap->iv_ic; 1668 struct ieee80211_wme_state *wme = &ic->ic_wme; 1669 struct wmeParams *wmep, *chanp; 1670 int isbss, ac; 1671 1672 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1673 return EOPNOTSUPP; 1674 1675 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1676 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1677 if (ac >= WME_NUM_AC) 1678 ac = WME_AC_BE; 1679 if (isbss) { 1680 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1681 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1682 } else { 1683 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1684 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1685 } 1686 switch (ireq->i_type) { 1687 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1688 if (isbss) { 1689 wmep->wmep_logcwmin = ireq->i_val; 1690 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1691 chanp->wmep_logcwmin = ireq->i_val; 1692 } else { 1693 wmep->wmep_logcwmin = chanp->wmep_logcwmin = 1694 ireq->i_val; 1695 } 1696 break; 1697 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1698 if (isbss) { 1699 wmep->wmep_logcwmax = ireq->i_val; 1700 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1701 chanp->wmep_logcwmax = ireq->i_val; 1702 } else { 1703 wmep->wmep_logcwmax = chanp->wmep_logcwmax = 1704 ireq->i_val; 1705 } 1706 break; 1707 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1708 if (isbss) { 1709 wmep->wmep_aifsn = ireq->i_val; 1710 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1711 chanp->wmep_aifsn = ireq->i_val; 1712 } else { 1713 wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val; 1714 } 1715 break; 1716 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1717 if (isbss) { 1718 wmep->wmep_txopLimit = ireq->i_val; 1719 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1720 chanp->wmep_txopLimit = ireq->i_val; 1721 } else { 1722 wmep->wmep_txopLimit = chanp->wmep_txopLimit = 1723 ireq->i_val; 1724 } 1725 break; 1726 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1727 wmep->wmep_acm = ireq->i_val; 1728 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1729 chanp->wmep_acm = ireq->i_val; 1730 break; 1731 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1732 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1733 (ireq->i_val) == 0; 1734 break; 1735 } 1736 ieee80211_wme_updateparams(vap); 1737 return 0; 1738 } 1739 1740 static int 1741 find11gchannel(struct ieee80211com *ic, int start, int freq) 1742 { 1743 const struct ieee80211_channel *c; 1744 int i; 1745 1746 for (i = start+1; i < ic->ic_nchans; i++) { 1747 c = &ic->ic_channels[i]; 1748 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1749 return 1; 1750 } 1751 /* NB: should not be needed but in case things are mis-sorted */ 1752 for (i = 0; i < start; i++) { 1753 c = &ic->ic_channels[i]; 1754 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1755 return 1; 1756 } 1757 return 0; 1758 } 1759 1760 static struct ieee80211_channel * 1761 findchannel(struct ieee80211com *ic, int ieee, int mode) 1762 { 1763 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1764 [IEEE80211_MODE_AUTO] = 0, 1765 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1766 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1767 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1768 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1769 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1770 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1771 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1772 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1773 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1774 /* NB: handled specially below */ 1775 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1776 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1777 }; 1778 u_int modeflags; 1779 int i; 1780 1781 modeflags = chanflags[mode]; 1782 for (i = 0; i < ic->ic_nchans; i++) { 1783 struct ieee80211_channel *c = &ic->ic_channels[i]; 1784 1785 if (c->ic_ieee != ieee) 1786 continue; 1787 if (mode == IEEE80211_MODE_AUTO) { 1788 /* ignore turbo channels for autoselect */ 1789 if (IEEE80211_IS_CHAN_TURBO(c)) 1790 continue; 1791 /* 1792 * XXX special-case 11b/g channels so we 1793 * always select the g channel if both 1794 * are present. 1795 * XXX prefer HT to non-HT? 1796 */ 1797 if (!IEEE80211_IS_CHAN_B(c) || 1798 !find11gchannel(ic, i, c->ic_freq)) 1799 return c; 1800 } else { 1801 /* must check HT specially */ 1802 if ((mode == IEEE80211_MODE_11NA || 1803 mode == IEEE80211_MODE_11NG) && 1804 !IEEE80211_IS_CHAN_HT(c)) 1805 continue; 1806 if ((c->ic_flags & modeflags) == modeflags) 1807 return c; 1808 } 1809 } 1810 return NULL; 1811 } 1812 1813 /* 1814 * Check the specified against any desired mode (aka netband). 1815 * This is only used (presently) when operating in hostap mode 1816 * to enforce consistency. 1817 */ 1818 static int 1819 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1820 { 1821 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1822 1823 switch (mode) { 1824 case IEEE80211_MODE_11B: 1825 return (IEEE80211_IS_CHAN_B(c)); 1826 case IEEE80211_MODE_11G: 1827 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1828 case IEEE80211_MODE_11A: 1829 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1830 case IEEE80211_MODE_STURBO_A: 1831 return (IEEE80211_IS_CHAN_STURBO(c)); 1832 case IEEE80211_MODE_11NA: 1833 return (IEEE80211_IS_CHAN_HTA(c)); 1834 case IEEE80211_MODE_11NG: 1835 return (IEEE80211_IS_CHAN_HTG(c)); 1836 } 1837 return 1; 1838 1839 } 1840 1841 /* 1842 * Common code to set the current channel. If the device 1843 * is up and running this may result in an immediate channel 1844 * change or a kick of the state machine. 1845 */ 1846 static int 1847 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 1848 { 1849 struct ieee80211com *ic = vap->iv_ic; 1850 int error; 1851 1852 if (c != IEEE80211_CHAN_ANYC) { 1853 if (IEEE80211_IS_CHAN_RADAR(c)) 1854 return EBUSY; /* XXX better code? */ 1855 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 1856 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 1857 return EINVAL; 1858 if (!check_mode_consistency(c, vap->iv_des_mode)) 1859 return EINVAL; 1860 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 1861 if (IEEE80211_IS_CHAN_NOADHOC(c)) 1862 return EINVAL; 1863 } 1864 if (vap->iv_state == IEEE80211_S_RUN && 1865 vap->iv_bss->ni_chan == c) 1866 return 0; /* NB: nothing to do */ 1867 } 1868 vap->iv_des_chan = c; 1869 1870 error = 0; 1871 if (vap->iv_opmode == IEEE80211_M_MONITOR && 1872 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1873 /* 1874 * Monitor mode can switch directly. 1875 */ 1876 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 1877 /* XXX need state machine for other vap's to follow */ 1878 ieee80211_setcurchan(ic, vap->iv_des_chan); 1879 vap->iv_bss->ni_chan = ic->ic_curchan; 1880 } else 1881 ic->ic_curchan = vap->iv_des_chan; 1882 } else { 1883 /* 1884 * Need to go through the state machine in case we 1885 * need to reassociate or the like. The state machine 1886 * will pickup the desired channel and avoid scanning. 1887 */ 1888 if (IS_UP_AUTO(vap)) 1889 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 1890 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1891 /* 1892 * When not up+running and a real channel has 1893 * been specified fix the current channel so 1894 * there is immediate feedback; e.g. via ifconfig. 1895 */ 1896 ic->ic_curchan = vap->iv_des_chan; 1897 } 1898 } 1899 return error; 1900 } 1901 1902 /* 1903 * Old api for setting the current channel; this is 1904 * deprecated because channel numbers are ambiguous. 1905 */ 1906 static __noinline int 1907 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 1908 const struct ieee80211req *ireq) 1909 { 1910 struct ieee80211com *ic = vap->iv_ic; 1911 struct ieee80211_channel *c; 1912 1913 /* XXX 0xffff overflows 16-bit signed */ 1914 if (ireq->i_val == 0 || 1915 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 1916 c = IEEE80211_CHAN_ANYC; 1917 } else { 1918 struct ieee80211_channel *c2; 1919 1920 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 1921 if (c == NULL) { 1922 c = findchannel(ic, ireq->i_val, 1923 IEEE80211_MODE_AUTO); 1924 if (c == NULL) 1925 return EINVAL; 1926 } 1927 /* 1928 * Fine tune channel selection based on desired mode: 1929 * if 11b is requested, find the 11b version of any 1930 * 11g channel returned, 1931 * if static turbo, find the turbo version of any 1932 * 11a channel return, 1933 * if 11na is requested, find the ht version of any 1934 * 11a channel returned, 1935 * if 11ng is requested, find the ht version of any 1936 * 11g channel returned, 1937 * otherwise we should be ok with what we've got. 1938 */ 1939 switch (vap->iv_des_mode) { 1940 case IEEE80211_MODE_11B: 1941 if (IEEE80211_IS_CHAN_ANYG(c)) { 1942 c2 = findchannel(ic, ireq->i_val, 1943 IEEE80211_MODE_11B); 1944 /* NB: should not happen, =>'s 11g w/o 11b */ 1945 if (c2 != NULL) 1946 c = c2; 1947 } 1948 break; 1949 case IEEE80211_MODE_TURBO_A: 1950 if (IEEE80211_IS_CHAN_A(c)) { 1951 c2 = findchannel(ic, ireq->i_val, 1952 IEEE80211_MODE_TURBO_A); 1953 if (c2 != NULL) 1954 c = c2; 1955 } 1956 break; 1957 case IEEE80211_MODE_11NA: 1958 if (IEEE80211_IS_CHAN_A(c)) { 1959 c2 = findchannel(ic, ireq->i_val, 1960 IEEE80211_MODE_11NA); 1961 if (c2 != NULL) 1962 c = c2; 1963 } 1964 break; 1965 case IEEE80211_MODE_11NG: 1966 if (IEEE80211_IS_CHAN_ANYG(c)) { 1967 c2 = findchannel(ic, ireq->i_val, 1968 IEEE80211_MODE_11NG); 1969 if (c2 != NULL) 1970 c = c2; 1971 } 1972 break; 1973 default: /* NB: no static turboG */ 1974 break; 1975 } 1976 } 1977 return setcurchan(vap, c); 1978 } 1979 1980 /* 1981 * New/current api for setting the current channel; a complete 1982 * channel description is provide so there is no ambiguity in 1983 * identifying the channel. 1984 */ 1985 static __noinline int 1986 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 1987 const struct ieee80211req *ireq) 1988 { 1989 struct ieee80211com *ic = vap->iv_ic; 1990 struct ieee80211_channel chan, *c; 1991 int error; 1992 1993 if (ireq->i_len != sizeof(chan)) 1994 return EINVAL; 1995 error = copyin(ireq->i_data, &chan, sizeof(chan)); 1996 if (error != 0) 1997 return error; 1998 /* XXX 0xffff overflows 16-bit signed */ 1999 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2000 c = IEEE80211_CHAN_ANYC; 2001 } else { 2002 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2003 if (c == NULL) 2004 return EINVAL; 2005 } 2006 return setcurchan(vap, c); 2007 } 2008 2009 static __noinline int 2010 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2011 const struct ieee80211req *ireq) 2012 { 2013 struct ieee80211_regdomain_req *reg; 2014 int nchans, error; 2015 2016 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2017 sizeof(struct ieee80211_channel)); 2018 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2019 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2020 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2021 ireq->i_len, nchans); 2022 return EINVAL; 2023 } 2024 reg = (struct ieee80211_regdomain_req *) 2025 malloc(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, M_NOWAIT); 2026 if (reg == NULL) { 2027 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2028 "%s: no memory, nchans %d\n", __func__, nchans); 2029 return ENOMEM; 2030 } 2031 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2032 if (error == 0) { 2033 /* NB: validate inline channel count against storage size */ 2034 if (reg->chaninfo.ic_nchans != nchans) { 2035 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2036 "%s: chan cnt mismatch, %d != %d\n", __func__, 2037 reg->chaninfo.ic_nchans, nchans); 2038 error = EINVAL; 2039 } else 2040 error = ieee80211_setregdomain(vap, reg); 2041 } 2042 free(reg, M_TEMP); 2043 2044 return (error == 0 ? ENETRESET : error); 2045 } 2046 2047 static int 2048 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2049 const struct ieee80211req *ireq) 2050 { 2051 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2052 return EINVAL; 2053 /* XXX validate params */ 2054 /* XXX? ENETRESET to push to device? */ 2055 return copyin(ireq->i_data, vap->iv_roamparms, 2056 sizeof(vap->iv_roamparms)); 2057 } 2058 2059 static int 2060 checkrate(const struct ieee80211_rateset *rs, int rate) 2061 { 2062 int i; 2063 2064 if (rate == IEEE80211_FIXED_RATE_NONE) 2065 return 1; 2066 for (i = 0; i < rs->rs_nrates; i++) 2067 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2068 return 1; 2069 return 0; 2070 } 2071 2072 static int 2073 checkmcs(int mcs) 2074 { 2075 if (mcs == IEEE80211_FIXED_RATE_NONE) 2076 return 1; 2077 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2078 return 0; 2079 return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */ 2080 } 2081 2082 static __noinline int 2083 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2084 const struct ieee80211req *ireq) 2085 { 2086 struct ieee80211com *ic = vap->iv_ic; 2087 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2088 struct ieee80211_txparam *src, *dst; 2089 const struct ieee80211_rateset *rs; 2090 int error, mode, changed, is11n, nmodes; 2091 2092 /* NB: accept short requests for backwards compat */ 2093 if (ireq->i_len > sizeof(parms)) 2094 return EINVAL; 2095 error = copyin(ireq->i_data, &parms, ireq->i_len); 2096 if (error != 0) 2097 return error; 2098 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2099 changed = 0; 2100 /* validate parameters and check if anything changed */ 2101 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2102 if (isclr(ic->ic_modecaps, mode)) 2103 continue; 2104 src = &parms.params[mode]; 2105 dst = &vap->iv_txparms[mode]; 2106 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2107 is11n = (mode == IEEE80211_MODE_11NA || 2108 mode == IEEE80211_MODE_11NG); 2109 if (src->ucastrate != dst->ucastrate) { 2110 if (!checkrate(rs, src->ucastrate) && 2111 (!is11n || !checkmcs(src->ucastrate))) 2112 return EINVAL; 2113 changed++; 2114 } 2115 if (src->mcastrate != dst->mcastrate) { 2116 if (!checkrate(rs, src->mcastrate) && 2117 (!is11n || !checkmcs(src->mcastrate))) 2118 return EINVAL; 2119 changed++; 2120 } 2121 if (src->mgmtrate != dst->mgmtrate) { 2122 if (!checkrate(rs, src->mgmtrate) && 2123 (!is11n || !checkmcs(src->mgmtrate))) 2124 return EINVAL; 2125 changed++; 2126 } 2127 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2128 changed++; 2129 } 2130 if (changed) { 2131 /* 2132 * Copy new parameters in place and notify the 2133 * driver so it can push state to the device. 2134 */ 2135 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2136 if (isset(ic->ic_modecaps, mode)) 2137 vap->iv_txparms[mode] = parms.params[mode]; 2138 } 2139 /* XXX could be more intelligent, 2140 e.g. don't reset if setting not being used */ 2141 return ENETRESET; 2142 } 2143 return 0; 2144 } 2145 2146 /* 2147 * Application Information Element support. 2148 */ 2149 static int 2150 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2151 { 2152 struct ieee80211_appie *app = *aie; 2153 struct ieee80211_appie *napp; 2154 int error; 2155 2156 if (ireq->i_len == 0) { /* delete any existing ie */ 2157 if (app != NULL) { 2158 *aie = NULL; /* XXX racey */ 2159 free(app, M_80211_NODE_IE); 2160 } 2161 return 0; 2162 } 2163 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2164 return EINVAL; 2165 /* 2166 * Allocate a new appie structure and copy in the user data. 2167 * When done swap in the new structure. Note that we do not 2168 * guard against users holding a ref to the old structure; 2169 * this must be handled outside this code. 2170 * 2171 * XXX bad bad bad 2172 */ 2173 napp = (struct ieee80211_appie *) malloc( 2174 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, M_NOWAIT); 2175 if (napp == NULL) 2176 return ENOMEM; 2177 /* XXX holding ic lock */ 2178 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2179 if (error) { 2180 free(napp, M_80211_NODE_IE); 2181 return error; 2182 } 2183 napp->ie_len = ireq->i_len; 2184 *aie = napp; 2185 if (app != NULL) 2186 free(app, M_80211_NODE_IE); 2187 return 0; 2188 } 2189 2190 static void 2191 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2192 { 2193 /* validate data is present as best we can */ 2194 if (space == 0 || 2+ie[1] > space) 2195 return; 2196 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2197 vap->iv_wpa_ie = ie; 2198 else if (ie[0] == IEEE80211_ELEMID_RSN) 2199 vap->iv_rsn_ie = ie; 2200 } 2201 2202 static __noinline int 2203 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2204 const struct ieee80211req *ireq, int fc0) 2205 { 2206 int error; 2207 2208 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2209 2210 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2211 case IEEE80211_FC0_SUBTYPE_BEACON: 2212 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2213 vap->iv_opmode != IEEE80211_M_IBSS) { 2214 error = EINVAL; 2215 break; 2216 } 2217 error = setappie(&vap->iv_appie_beacon, ireq); 2218 if (error == 0) 2219 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2220 break; 2221 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2222 error = setappie(&vap->iv_appie_proberesp, ireq); 2223 break; 2224 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2225 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2226 error = setappie(&vap->iv_appie_assocresp, ireq); 2227 else 2228 error = EINVAL; 2229 break; 2230 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2231 error = setappie(&vap->iv_appie_probereq, ireq); 2232 break; 2233 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2234 if (vap->iv_opmode == IEEE80211_M_STA) 2235 error = setappie(&vap->iv_appie_assocreq, ireq); 2236 else 2237 error = EINVAL; 2238 break; 2239 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2240 error = setappie(&vap->iv_appie_wpa, ireq); 2241 if (error == 0) { 2242 /* 2243 * Must split single blob of data into separate 2244 * WPA and RSN ie's because they go in different 2245 * locations in the mgt frames. 2246 * XXX use IEEE80211_IOC_WPA2 so user code does split 2247 */ 2248 vap->iv_wpa_ie = NULL; 2249 vap->iv_rsn_ie = NULL; 2250 if (vap->iv_appie_wpa != NULL) { 2251 struct ieee80211_appie *appie = 2252 vap->iv_appie_wpa; 2253 uint8_t *data = appie->ie_data; 2254 2255 /* XXX ie length validate is painful, cheat */ 2256 setwparsnie(vap, data, appie->ie_len); 2257 setwparsnie(vap, data + 2 + data[1], 2258 appie->ie_len - (2 + data[1])); 2259 } 2260 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2261 vap->iv_opmode == IEEE80211_M_IBSS) { 2262 /* 2263 * Must rebuild beacon frame as the update 2264 * mechanism doesn't handle WPA/RSN ie's. 2265 * Could extend it but it doesn't normally 2266 * change; this is just to deal with hostapd 2267 * plumbing the ie after the interface is up. 2268 */ 2269 error = ENETRESET; 2270 } 2271 } 2272 break; 2273 default: 2274 error = EINVAL; 2275 break; 2276 } 2277 return error; 2278 } 2279 2280 static __noinline int 2281 ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2282 const struct ieee80211req *ireq) 2283 { 2284 struct ieee80211com *ic = vap->iv_ic; 2285 int error; 2286 uint8_t fc0; 2287 2288 fc0 = ireq->i_val & 0xff; 2289 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2290 return EINVAL; 2291 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2292 IEEE80211_LOCK(ic); 2293 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2294 IEEE80211_UNLOCK(ic); 2295 return error; 2296 } 2297 2298 static __noinline int 2299 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2300 { 2301 struct ieee80211com *ic = vap->iv_ic; 2302 struct ieee80211_chanswitch_req csr; 2303 struct ieee80211_channel *c; 2304 int error; 2305 2306 if (ireq->i_len != sizeof(csr)) 2307 return EINVAL; 2308 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2309 if (error != 0) 2310 return error; 2311 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 2312 return EINVAL; 2313 c = ieee80211_find_channel(ic, 2314 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2315 if (c == NULL) 2316 return ENOENT; 2317 IEEE80211_LOCK(ic); 2318 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2319 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2320 else 2321 error = EBUSY; 2322 IEEE80211_UNLOCK(ic); 2323 return error; 2324 } 2325 2326 static __noinline int 2327 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2328 { 2329 #define IEEE80211_IOC_SCAN_FLAGS \ 2330 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2331 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2332 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2333 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2334 IEEE80211_IOC_SCAN_CHECK) 2335 struct ieee80211com *ic = vap->iv_ic; 2336 struct ieee80211_scan_req sr; /* XXX off stack? */ 2337 int error, i; 2338 2339 /* NB: parent must be running */ 2340 if ((ic->ic_ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 2341 return ENXIO; 2342 2343 if (ireq->i_len != sizeof(sr)) 2344 return EINVAL; 2345 error = copyin(ireq->i_data, &sr, sizeof(sr)); 2346 if (error != 0) 2347 return error; 2348 /* convert duration */ 2349 if (sr.sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2350 sr.sr_duration = IEEE80211_SCAN_FOREVER; 2351 else { 2352 if (sr.sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2353 sr.sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2354 return EINVAL; 2355 sr.sr_duration = msecs_to_ticks(sr.sr_duration); 2356 if (sr.sr_duration < 1) 2357 sr.sr_duration = 1; 2358 } 2359 /* convert min/max channel dwell */ 2360 if (sr.sr_mindwell != 0) { 2361 sr.sr_mindwell = msecs_to_ticks(sr.sr_mindwell); 2362 if (sr.sr_mindwell < 1) 2363 sr.sr_mindwell = 1; 2364 } 2365 if (sr.sr_maxdwell != 0) { 2366 sr.sr_maxdwell = msecs_to_ticks(sr.sr_maxdwell); 2367 if (sr.sr_maxdwell < 1) 2368 sr.sr_maxdwell = 1; 2369 } 2370 /* NB: silently reduce ssid count to what is supported */ 2371 if (sr.sr_nssid > IEEE80211_SCAN_MAX_SSID) 2372 sr.sr_nssid = IEEE80211_SCAN_MAX_SSID; 2373 for (i = 0; i < sr.sr_nssid; i++) 2374 if (sr.sr_ssid[i].len > IEEE80211_NWID_LEN) 2375 return EINVAL; 2376 /* cleanse flags just in case, could reject if invalid flags */ 2377 sr.sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2378 /* 2379 * Add an implicit NOPICK if the vap is not marked UP. This 2380 * allows applications to scan without joining a bss (or picking 2381 * a channel and setting up a bss) and without forcing manual 2382 * roaming mode--you just need to mark the parent device UP. 2383 */ 2384 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2385 sr.sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2386 2387 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2388 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2389 __func__, sr.sr_flags, 2390 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2391 sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell, sr.sr_nssid); 2392 /* 2393 * If we are in INIT state then the driver has never had a chance 2394 * to setup hardware state to do a scan; we must use the state 2395 * machine to get us up to the SCAN state but once we reach SCAN 2396 * state we then want to use the supplied params. Stash the 2397 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2398 * state machines will recognize this and use the stashed params 2399 * to issue the scan request. 2400 * 2401 * Otherwise just invoke the scan machinery directly. 2402 */ 2403 IEEE80211_LOCK(ic); 2404 if (vap->iv_state == IEEE80211_S_INIT) { 2405 /* NB: clobbers previous settings */ 2406 vap->iv_scanreq_flags = sr.sr_flags; 2407 vap->iv_scanreq_duration = sr.sr_duration; 2408 vap->iv_scanreq_nssid = sr.sr_nssid; 2409 for (i = 0; i < sr.sr_nssid; i++) { 2410 vap->iv_scanreq_ssid[i].len = sr.sr_ssid[i].len; 2411 memcpy(vap->iv_scanreq_ssid[i].ssid, sr.sr_ssid[i].ssid, 2412 sr.sr_ssid[i].len); 2413 } 2414 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2415 IEEE80211_UNLOCK(ic); 2416 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2417 } else { 2418 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2419 IEEE80211_UNLOCK(ic); 2420 /* XXX neeed error return codes */ 2421 if (sr.sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2422 (void) ieee80211_check_scan(vap, sr.sr_flags, 2423 sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell, 2424 sr.sr_nssid, 2425 /* NB: cheat, we assume structures are compatible */ 2426 (const struct ieee80211_scan_ssid *) &sr.sr_ssid[0]); 2427 } else { 2428 (void) ieee80211_start_scan(vap, sr.sr_flags, 2429 sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell, 2430 sr.sr_nssid, 2431 /* NB: cheat, we assume structures are compatible */ 2432 (const struct ieee80211_scan_ssid *) &sr.sr_ssid[0]); 2433 } 2434 } 2435 return error; 2436 #undef IEEE80211_IOC_SCAN_FLAGS 2437 } 2438 2439 static __noinline int 2440 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2441 { 2442 struct ieee80211_node *ni; 2443 struct ieee80211req_sta_vlan vlan; 2444 int error; 2445 2446 if (ireq->i_len != sizeof(vlan)) 2447 return EINVAL; 2448 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2449 if (error != 0) 2450 return error; 2451 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2452 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2453 vlan.sv_macaddr); 2454 if (ni == NULL) 2455 return ENOENT; 2456 } else 2457 ni = ieee80211_ref_node(vap->iv_bss); 2458 ni->ni_vlan = vlan.sv_vlan; 2459 ieee80211_free_node(ni); 2460 return error; 2461 } 2462 2463 static int 2464 isvap11g(const struct ieee80211vap *vap) 2465 { 2466 const struct ieee80211_node *bss = vap->iv_bss; 2467 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2468 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2469 } 2470 2471 static int 2472 isvapht(const struct ieee80211vap *vap) 2473 { 2474 const struct ieee80211_node *bss = vap->iv_bss; 2475 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2476 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2477 } 2478 2479 static __noinline int 2480 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2481 { 2482 struct ieee80211com *ic = vap->iv_ic; 2483 int error; 2484 const struct ieee80211_authenticator *auth; 2485 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2486 char tmpssid[IEEE80211_NWID_LEN]; 2487 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2488 struct ieee80211_key *k; 2489 u_int kid; 2490 uint32_t flags; 2491 2492 error = 0; 2493 switch (ireq->i_type) { 2494 case IEEE80211_IOC_SSID: 2495 if (ireq->i_val != 0 || 2496 ireq->i_len > IEEE80211_NWID_LEN) 2497 return EINVAL; 2498 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2499 if (error) 2500 break; 2501 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2502 vap->iv_des_ssid[0].len = ireq->i_len; 2503 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2504 vap->iv_des_nssid = (ireq->i_len > 0); 2505 error = ENETRESET; 2506 break; 2507 case IEEE80211_IOC_WEP: 2508 switch (ireq->i_val) { 2509 case IEEE80211_WEP_OFF: 2510 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2511 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2512 break; 2513 case IEEE80211_WEP_ON: 2514 vap->iv_flags |= IEEE80211_F_PRIVACY; 2515 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2516 break; 2517 case IEEE80211_WEP_MIXED: 2518 vap->iv_flags |= IEEE80211_F_PRIVACY; 2519 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2520 break; 2521 } 2522 error = ENETRESET; 2523 break; 2524 case IEEE80211_IOC_WEPKEY: 2525 kid = (u_int) ireq->i_val; 2526 if (kid >= IEEE80211_WEP_NKID) 2527 return EINVAL; 2528 k = &vap->iv_nw_keys[kid]; 2529 if (ireq->i_len == 0) { 2530 /* zero-len =>'s delete any existing key */ 2531 (void) ieee80211_crypto_delkey(vap, k); 2532 break; 2533 } 2534 if (ireq->i_len > sizeof(tmpkey)) 2535 return EINVAL; 2536 memset(tmpkey, 0, sizeof(tmpkey)); 2537 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2538 if (error) 2539 break; 2540 ieee80211_key_update_begin(vap); 2541 k->wk_keyix = kid; /* NB: force fixed key id */ 2542 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2543 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2544 k->wk_keylen = ireq->i_len; 2545 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2546 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2547 if (!ieee80211_crypto_setkey(vap, k)) 2548 error = EINVAL; 2549 } else 2550 error = EINVAL; 2551 ieee80211_key_update_end(vap); 2552 break; 2553 case IEEE80211_IOC_WEPTXKEY: 2554 kid = (u_int) ireq->i_val; 2555 if (kid >= IEEE80211_WEP_NKID && 2556 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2557 return EINVAL; 2558 vap->iv_def_txkey = kid; 2559 break; 2560 case IEEE80211_IOC_AUTHMODE: 2561 switch (ireq->i_val) { 2562 case IEEE80211_AUTH_WPA: 2563 case IEEE80211_AUTH_8021X: /* 802.1x */ 2564 case IEEE80211_AUTH_OPEN: /* open */ 2565 case IEEE80211_AUTH_SHARED: /* shared-key */ 2566 case IEEE80211_AUTH_AUTO: /* auto */ 2567 auth = ieee80211_authenticator_get(ireq->i_val); 2568 if (auth == NULL) 2569 return EINVAL; 2570 break; 2571 default: 2572 return EINVAL; 2573 } 2574 switch (ireq->i_val) { 2575 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2576 vap->iv_flags |= IEEE80211_F_PRIVACY; 2577 ireq->i_val = IEEE80211_AUTH_8021X; 2578 break; 2579 case IEEE80211_AUTH_OPEN: /* open */ 2580 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2581 break; 2582 case IEEE80211_AUTH_SHARED: /* shared-key */ 2583 case IEEE80211_AUTH_8021X: /* 802.1x */ 2584 vap->iv_flags &= ~IEEE80211_F_WPA; 2585 /* both require a key so mark the PRIVACY capability */ 2586 vap->iv_flags |= IEEE80211_F_PRIVACY; 2587 break; 2588 case IEEE80211_AUTH_AUTO: /* auto */ 2589 vap->iv_flags &= ~IEEE80211_F_WPA; 2590 /* XXX PRIVACY handling? */ 2591 /* XXX what's the right way to do this? */ 2592 break; 2593 } 2594 /* NB: authenticator attach/detach happens on state change */ 2595 vap->iv_bss->ni_authmode = ireq->i_val; 2596 /* XXX mixed/mode/usage? */ 2597 vap->iv_auth = auth; 2598 error = ENETRESET; 2599 break; 2600 case IEEE80211_IOC_CHANNEL: 2601 error = ieee80211_ioctl_setchannel(vap, ireq); 2602 break; 2603 case IEEE80211_IOC_POWERSAVE: 2604 switch (ireq->i_val) { 2605 case IEEE80211_POWERSAVE_OFF: 2606 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2607 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2608 error = ERESTART; 2609 } 2610 break; 2611 case IEEE80211_POWERSAVE_ON: 2612 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2613 error = EOPNOTSUPP; 2614 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2615 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2616 error = ERESTART; 2617 } 2618 break; 2619 default: 2620 error = EINVAL; 2621 break; 2622 } 2623 break; 2624 case IEEE80211_IOC_POWERSAVESLEEP: 2625 if (ireq->i_val < 0) 2626 return EINVAL; 2627 ic->ic_lintval = ireq->i_val; 2628 error = ERESTART; 2629 break; 2630 case IEEE80211_IOC_RTSTHRESHOLD: 2631 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2632 ireq->i_val <= IEEE80211_RTS_MAX)) 2633 return EINVAL; 2634 vap->iv_rtsthreshold = ireq->i_val; 2635 error = ERESTART; 2636 break; 2637 case IEEE80211_IOC_PROTMODE: 2638 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2639 return EINVAL; 2640 ic->ic_protmode = ireq->i_val; 2641 /* NB: if not operating in 11g this can wait */ 2642 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2643 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2644 error = ERESTART; 2645 break; 2646 case IEEE80211_IOC_TXPOWER: 2647 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2648 return EOPNOTSUPP; 2649 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2650 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2651 return EINVAL; 2652 ic->ic_txpowlimit = ireq->i_val; 2653 error = ERESTART; 2654 break; 2655 case IEEE80211_IOC_ROAMING: 2656 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2657 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2658 return EINVAL; 2659 vap->iv_roaming = ireq->i_val; 2660 /* XXXX reset? */ 2661 break; 2662 case IEEE80211_IOC_PRIVACY: 2663 if (ireq->i_val) { 2664 /* XXX check for key state? */ 2665 vap->iv_flags |= IEEE80211_F_PRIVACY; 2666 } else 2667 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2668 /* XXX ERESTART? */ 2669 break; 2670 case IEEE80211_IOC_DROPUNENCRYPTED: 2671 if (ireq->i_val) 2672 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2673 else 2674 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2675 /* XXX ERESTART? */ 2676 break; 2677 case IEEE80211_IOC_WPAKEY: 2678 error = ieee80211_ioctl_setkey(vap, ireq); 2679 break; 2680 case IEEE80211_IOC_DELKEY: 2681 error = ieee80211_ioctl_delkey(vap, ireq); 2682 break; 2683 case IEEE80211_IOC_MLME: 2684 error = ieee80211_ioctl_setmlme(vap, ireq); 2685 break; 2686 case IEEE80211_IOC_COUNTERMEASURES: 2687 if (ireq->i_val) { 2688 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2689 return EOPNOTSUPP; 2690 vap->iv_flags |= IEEE80211_F_COUNTERM; 2691 } else 2692 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2693 /* XXX ERESTART? */ 2694 break; 2695 case IEEE80211_IOC_WPA: 2696 if (ireq->i_val > 3) 2697 return EINVAL; 2698 /* XXX verify ciphers available */ 2699 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2700 switch (ireq->i_val) { 2701 case 1: 2702 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2703 return EOPNOTSUPP; 2704 flags |= IEEE80211_F_WPA1; 2705 break; 2706 case 2: 2707 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2708 return EOPNOTSUPP; 2709 flags |= IEEE80211_F_WPA2; 2710 break; 2711 case 3: 2712 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2713 return EOPNOTSUPP; 2714 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2715 break; 2716 default: /* Can't set any -> error */ 2717 return EOPNOTSUPP; 2718 } 2719 vap->iv_flags = flags; 2720 error = ERESTART; /* NB: can change beacon frame */ 2721 break; 2722 case IEEE80211_IOC_WME: 2723 if (ireq->i_val) { 2724 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 2725 return EOPNOTSUPP; 2726 ieee80211_syncflag(vap, IEEE80211_F_WME); 2727 } else 2728 ieee80211_syncflag(vap, -IEEE80211_F_WME); 2729 error = ERESTART; /* NB: can change beacon frame */ 2730 break; 2731 case IEEE80211_IOC_HIDESSID: 2732 if (ireq->i_val) 2733 vap->iv_flags |= IEEE80211_F_HIDESSID; 2734 else 2735 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 2736 error = ERESTART; /* XXX ENETRESET? */ 2737 break; 2738 case IEEE80211_IOC_APBRIDGE: 2739 if (ireq->i_val == 0) 2740 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 2741 else 2742 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 2743 break; 2744 case IEEE80211_IOC_BSSID: 2745 if (ireq->i_len != sizeof(tmpbssid)) 2746 return EINVAL; 2747 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 2748 if (error) 2749 break; 2750 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 2751 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 2752 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 2753 else 2754 vap->iv_flags |= IEEE80211_F_DESBSSID; 2755 error = ENETRESET; 2756 break; 2757 case IEEE80211_IOC_CHANLIST: 2758 error = ieee80211_ioctl_setchanlist(vap, ireq); 2759 break; 2760 #define OLD_IEEE80211_IOC_SCAN_REQ 23 2761 #ifdef OLD_IEEE80211_IOC_SCAN_REQ 2762 case OLD_IEEE80211_IOC_SCAN_REQ: 2763 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2764 "%s: active scan request\n", __func__); 2765 /* 2766 * If we are in INIT state then the driver has never 2767 * had a chance to setup hardware state to do a scan; 2768 * use the state machine to get us up the SCAN state. 2769 * Otherwise just invoke the scan machinery to start 2770 * a one-time scan. 2771 */ 2772 if (vap->iv_state == IEEE80211_S_INIT) 2773 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2774 else 2775 (void) ieee80211_start_scan(vap, 2776 IEEE80211_SCAN_ACTIVE | 2777 IEEE80211_SCAN_NOPICK | 2778 IEEE80211_SCAN_ONCE, 2779 IEEE80211_SCAN_FOREVER, 0, 0, 2780 /* XXX use ioctl params */ 2781 vap->iv_des_nssid, vap->iv_des_ssid); 2782 break; 2783 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 2784 case IEEE80211_IOC_SCAN_REQ: 2785 error = ieee80211_ioctl_scanreq(vap, ireq); 2786 break; 2787 case IEEE80211_IOC_SCAN_CANCEL: 2788 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2789 "%s: cancel scan\n", __func__); 2790 ieee80211_cancel_scan(vap); 2791 break; 2792 case IEEE80211_IOC_HTCONF: 2793 if (ireq->i_val & 1) 2794 ieee80211_syncflag_ext(vap, IEEE80211_FEXT_HT); 2795 else 2796 ieee80211_syncflag_ext(vap, -IEEE80211_FEXT_HT); 2797 if (ireq->i_val & 2) 2798 ieee80211_syncflag_ext(vap, IEEE80211_FEXT_USEHT40); 2799 else 2800 ieee80211_syncflag_ext(vap, -IEEE80211_FEXT_USEHT40); 2801 error = ENETRESET; 2802 break; 2803 case IEEE80211_IOC_ADDMAC: 2804 case IEEE80211_IOC_DELMAC: 2805 error = ieee80211_ioctl_macmac(vap, ireq); 2806 break; 2807 case IEEE80211_IOC_MACCMD: 2808 error = ieee80211_ioctl_setmaccmd(vap, ireq); 2809 break; 2810 case IEEE80211_IOC_STA_STATS: 2811 error = ieee80211_ioctl_setstastats(vap, ireq); 2812 break; 2813 case IEEE80211_IOC_STA_TXPOW: 2814 error = ieee80211_ioctl_setstatxpow(vap, ireq); 2815 break; 2816 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 2817 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 2818 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 2819 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 2820 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 2821 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 2822 error = ieee80211_ioctl_setwmeparam(vap, ireq); 2823 break; 2824 case IEEE80211_IOC_DTIM_PERIOD: 2825 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2826 vap->iv_opmode != IEEE80211_M_IBSS) 2827 return EINVAL; 2828 if (IEEE80211_DTIM_MIN <= ireq->i_val && 2829 ireq->i_val <= IEEE80211_DTIM_MAX) { 2830 vap->iv_dtim_period = ireq->i_val; 2831 error = ENETRESET; /* requires restart */ 2832 } else 2833 error = EINVAL; 2834 break; 2835 case IEEE80211_IOC_BEACON_INTERVAL: 2836 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2837 vap->iv_opmode != IEEE80211_M_IBSS) 2838 return EINVAL; 2839 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 2840 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 2841 ic->ic_bintval = ireq->i_val; 2842 error = ENETRESET; /* requires restart */ 2843 } else 2844 error = EINVAL; 2845 break; 2846 case IEEE80211_IOC_PUREG: 2847 if (ireq->i_val) 2848 vap->iv_flags |= IEEE80211_F_PUREG; 2849 else 2850 vap->iv_flags &= ~IEEE80211_F_PUREG; 2851 /* NB: reset only if we're operating on an 11g channel */ 2852 if (isvap11g(vap)) 2853 error = ENETRESET; 2854 break; 2855 case IEEE80211_IOC_FF: 2856 if (ireq->i_val) { 2857 if ((vap->iv_caps & IEEE80211_C_FF) == 0) 2858 return EOPNOTSUPP; 2859 vap->iv_flags |= IEEE80211_F_FF; 2860 } else 2861 vap->iv_flags &= ~IEEE80211_F_FF; 2862 error = ERESTART; 2863 break; 2864 case IEEE80211_IOC_TURBOP: 2865 if (ireq->i_val) { 2866 if ((vap->iv_caps & IEEE80211_C_TURBOP) == 0) 2867 return EOPNOTSUPP; 2868 vap->iv_flags |= IEEE80211_F_TURBOP; 2869 } else 2870 vap->iv_flags &= ~IEEE80211_F_TURBOP; 2871 error = ENETRESET; 2872 break; 2873 case IEEE80211_IOC_BGSCAN: 2874 if (ireq->i_val) { 2875 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 2876 return EOPNOTSUPP; 2877 vap->iv_flags |= IEEE80211_F_BGSCAN; 2878 } else 2879 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 2880 break; 2881 case IEEE80211_IOC_BGSCAN_IDLE: 2882 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 2883 vap->iv_bgscanidle = ireq->i_val*hz/1000; 2884 else 2885 error = EINVAL; 2886 break; 2887 case IEEE80211_IOC_BGSCAN_INTERVAL: 2888 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 2889 vap->iv_bgscanintvl = ireq->i_val*hz; 2890 else 2891 error = EINVAL; 2892 break; 2893 case IEEE80211_IOC_SCANVALID: 2894 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 2895 vap->iv_scanvalid = ireq->i_val*hz; 2896 else 2897 error = EINVAL; 2898 break; 2899 case IEEE80211_IOC_FRAGTHRESHOLD: 2900 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 2901 ireq->i_val != IEEE80211_FRAG_MAX) 2902 return EOPNOTSUPP; 2903 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 2904 ireq->i_val <= IEEE80211_FRAG_MAX)) 2905 return EINVAL; 2906 vap->iv_fragthreshold = ireq->i_val; 2907 error = ERESTART; 2908 break; 2909 case IEEE80211_IOC_BURST: 2910 if (ireq->i_val) { 2911 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 2912 return EOPNOTSUPP; 2913 ieee80211_syncflag(vap, IEEE80211_F_BURST); 2914 } else 2915 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 2916 error = ERESTART; 2917 break; 2918 case IEEE80211_IOC_BMISSTHRESHOLD: 2919 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 2920 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 2921 return EINVAL; 2922 vap->iv_bmissthreshold = ireq->i_val; 2923 error = ERESTART; 2924 break; 2925 case IEEE80211_IOC_CURCHAN: 2926 error = ieee80211_ioctl_setcurchan(vap, ireq); 2927 break; 2928 case IEEE80211_IOC_SHORTGI: 2929 if (ireq->i_val) { 2930 #define IEEE80211_HTCAP_SHORTGI \ 2931 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 2932 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 2933 return EINVAL; 2934 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 2935 vap->iv_flags_ext |= IEEE80211_FEXT_SHORTGI20; 2936 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 2937 vap->iv_flags_ext |= IEEE80211_FEXT_SHORTGI40; 2938 #undef IEEE80211_HTCAP_SHORTGI 2939 } else 2940 vap->iv_flags_ext &= 2941 ~(IEEE80211_FEXT_SHORTGI20 | IEEE80211_FEXT_SHORTGI40); 2942 error = ERESTART; 2943 break; 2944 case IEEE80211_IOC_AMPDU: 2945 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 2946 return EINVAL; 2947 if (ireq->i_val & 1) 2948 vap->iv_flags_ext |= IEEE80211_FEXT_AMPDU_TX; 2949 else 2950 vap->iv_flags_ext &= ~IEEE80211_FEXT_AMPDU_TX; 2951 if (ireq->i_val & 2) 2952 vap->iv_flags_ext |= IEEE80211_FEXT_AMPDU_RX; 2953 else 2954 vap->iv_flags_ext &= ~IEEE80211_FEXT_AMPDU_RX; 2955 /* NB: reset only if we're operating on an 11n channel */ 2956 if (isvapht(vap)) 2957 error = ERESTART; 2958 break; 2959 case IEEE80211_IOC_AMPDU_LIMIT: 2960 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 2961 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 2962 return EINVAL; 2963 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2964 vap->iv_ampdu_rxmax = ireq->i_val; 2965 else 2966 vap->iv_ampdu_limit = ireq->i_val; 2967 error = ERESTART; 2968 break; 2969 case IEEE80211_IOC_AMPDU_DENSITY: 2970 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 2971 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 2972 return EINVAL; 2973 vap->iv_ampdu_density = ireq->i_val; 2974 error = ERESTART; 2975 break; 2976 case IEEE80211_IOC_AMSDU: 2977 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 2978 return EINVAL; 2979 if (ireq->i_val & 1) 2980 vap->iv_flags_ext |= IEEE80211_FEXT_AMSDU_TX; 2981 else 2982 vap->iv_flags_ext &= ~IEEE80211_FEXT_AMSDU_TX; 2983 if (ireq->i_val & 2) 2984 vap->iv_flags_ext |= IEEE80211_FEXT_AMSDU_RX; 2985 else 2986 vap->iv_flags_ext &= ~IEEE80211_FEXT_AMSDU_RX; 2987 /* NB: reset only if we're operating on an 11n channel */ 2988 if (isvapht(vap)) 2989 error = ERESTART; 2990 break; 2991 case IEEE80211_IOC_AMSDU_LIMIT: 2992 /* XXX validate */ 2993 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 2994 break; 2995 case IEEE80211_IOC_PUREN: 2996 if (ireq->i_val) { 2997 if ((vap->iv_flags_ext & IEEE80211_FEXT_HT) == 0) 2998 return EINVAL; 2999 vap->iv_flags_ext |= IEEE80211_FEXT_PUREN; 3000 } else 3001 vap->iv_flags_ext &= ~IEEE80211_FEXT_PUREN; 3002 /* NB: reset only if we're operating on an 11n channel */ 3003 if (isvapht(vap)) 3004 error = ERESTART; 3005 break; 3006 case IEEE80211_IOC_DOTH: 3007 if (ireq->i_val) { 3008 #if 0 3009 /* XXX no capability */ 3010 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3011 return EOPNOTSUPP; 3012 #endif 3013 vap->iv_flags |= IEEE80211_F_DOTH; 3014 } else 3015 vap->iv_flags &= ~IEEE80211_F_DOTH; 3016 error = ENETRESET; 3017 break; 3018 case IEEE80211_IOC_REGDOMAIN: 3019 error = ieee80211_ioctl_setregdomain(vap, ireq); 3020 break; 3021 case IEEE80211_IOC_ROAM: 3022 error = ieee80211_ioctl_setroam(vap, ireq); 3023 break; 3024 case IEEE80211_IOC_TXPARAMS: 3025 error = ieee80211_ioctl_settxparams(vap, ireq); 3026 break; 3027 case IEEE80211_IOC_HTCOMPAT: 3028 if (ireq->i_val) { 3029 if ((vap->iv_flags_ext & IEEE80211_FEXT_HT) == 0) 3030 return EOPNOTSUPP; 3031 vap->iv_flags_ext |= IEEE80211_FEXT_HTCOMPAT; 3032 } else 3033 vap->iv_flags_ext &= ~IEEE80211_FEXT_HTCOMPAT; 3034 /* NB: reset only if we're operating on an 11n channel */ 3035 if (isvapht(vap)) 3036 error = ERESTART; 3037 break; 3038 case IEEE80211_IOC_DWDS: 3039 if (ireq->i_val) { 3040 /* NB: DWDS only makes sense for WDS-capable devices */ 3041 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3042 return EOPNOTSUPP; 3043 /* NB: DWDS is used only with ap+sta vaps */ 3044 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3045 vap->iv_opmode != IEEE80211_M_STA) 3046 return EINVAL; 3047 vap->iv_flags |= IEEE80211_F_DWDS; 3048 } else 3049 vap->iv_flags &= ~IEEE80211_F_DWDS; 3050 break; 3051 case IEEE80211_IOC_INACTIVITY: 3052 if (ireq->i_val) 3053 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3054 else 3055 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3056 break; 3057 case IEEE80211_IOC_APPIE: 3058 error = ieee80211_ioctl_setappie(vap, ireq); 3059 break; 3060 case IEEE80211_IOC_WPS: 3061 if (ireq->i_val) { 3062 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3063 return EOPNOTSUPP; 3064 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3065 } else 3066 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3067 break; 3068 case IEEE80211_IOC_TSN: 3069 if (ireq->i_val) { 3070 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3071 return EOPNOTSUPP; 3072 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3073 } else 3074 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3075 break; 3076 case IEEE80211_IOC_CHANSWITCH: 3077 error = ieee80211_ioctl_chanswitch(vap, ireq); 3078 break; 3079 case IEEE80211_IOC_DFS: 3080 if (ireq->i_val) { 3081 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3082 return EOPNOTSUPP; 3083 /* NB: DFS requires 11h support */ 3084 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3085 return EINVAL; 3086 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3087 } else 3088 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3089 break; 3090 case IEEE80211_IOC_DOTD: 3091 if (ireq->i_val) 3092 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3093 else 3094 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3095 if (vap->iv_opmode == IEEE80211_M_STA) 3096 error = ENETRESET; 3097 break; 3098 case IEEE80211_IOC_HTPROTMODE: 3099 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3100 return EINVAL; 3101 ic->ic_htprotmode = ireq->i_val ? 3102 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3103 /* NB: if not operating in 11n this can wait */ 3104 if (isvapht(vap)) 3105 error = ERESTART; 3106 break; 3107 case IEEE80211_IOC_STA_VLAN: 3108 error = ieee80211_ioctl_setstavlan(vap, ireq); 3109 break; 3110 case IEEE80211_IOC_SMPS: 3111 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3112 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3113 return EINVAL; 3114 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3115 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3116 return EOPNOTSUPP; 3117 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3118 ireq->i_val; 3119 /* NB: if not operating in 11n this can wait */ 3120 if (isvapht(vap)) 3121 error = ERESTART; 3122 break; 3123 case IEEE80211_IOC_RIFS: 3124 if (ireq->i_val != 0) { 3125 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3126 return EOPNOTSUPP; 3127 vap->iv_flags_ext |= IEEE80211_FEXT_RIFS; 3128 } else 3129 vap->iv_flags_ext &= ~IEEE80211_FEXT_RIFS; 3130 /* NB: if not operating in 11n this can wait */ 3131 if (isvapht(vap)) 3132 error = ERESTART; 3133 break; 3134 #ifdef IEEE80211_SUPPORT_TDMA 3135 case IEEE80211_IOC_TDMA_SLOT: 3136 case IEEE80211_IOC_TDMA_SLOTCNT: 3137 case IEEE80211_IOC_TDMA_SLOTLEN: 3138 case IEEE80211_IOC_TDMA_BINTERVAL: 3139 error = ieee80211_tdma_ioctl_set80211(vap, ireq); 3140 break; 3141 #endif 3142 default: 3143 error = EINVAL; 3144 break; 3145 } 3146 /* 3147 * The convention is that ENETRESET means an operation 3148 * requires a complete re-initialization of the device (e.g. 3149 * changing something that affects the association state). 3150 * ERESTART means the request may be handled with only a 3151 * reload of the hardware state. We hand ERESTART requests 3152 * to the iv_reset callback so the driver can decide. If 3153 * a device does not fillin iv_reset then it defaults to one 3154 * that returns ENETRESET. Otherwise a driver may return 3155 * ENETRESET (in which case a full reset will be done) or 3156 * 0 to mean there's no need to do anything (e.g. when the 3157 * change has no effect on the driver/device). 3158 */ 3159 if (error == ERESTART) 3160 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3161 vap->iv_reset(vap, ireq->i_type) : 0; 3162 if (error == ENETRESET) { 3163 /* XXX need to re-think AUTO handling */ 3164 if (IS_UP_AUTO(vap)) 3165 ieee80211_init(vap); 3166 error = 0; 3167 } 3168 return error; 3169 } 3170 3171 /* 3172 * Rebuild the parent's multicast address list after an add/del 3173 * of a multicast address for a vap. We have no way to tell 3174 * what happened above to optimize the work so we purge the entire 3175 * list and rebuild from scratch. This is way expensive. 3176 * Note also the half-baked workaround for if_addmulti calling 3177 * back to the parent device; there's no way to insert mcast 3178 * entries quietly and/or cheaply. 3179 */ 3180 static void 3181 ieee80211_ioctl_updatemulti(struct ieee80211com *ic) 3182 { 3183 struct ifnet *parent = ic->ic_ifp; 3184 struct ieee80211vap *vap; 3185 void *ioctl; 3186 3187 IEEE80211_LOCK(ic); 3188 if_purgemaddrs(parent); 3189 ioctl = parent->if_ioctl; /* XXX WAR if_allmulti */ 3190 parent->if_ioctl = NULL; 3191 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 3192 struct ifnet *ifp = vap->iv_ifp; 3193 struct ifmultiaddr *ifma; 3194 3195 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) 3196 (void) if_addmulti(parent, ifma->ifma_addr, NULL); 3197 } 3198 parent->if_ioctl = ioctl; 3199 3200 ic->ic_update_mcast(ic->ic_ifp); 3201 IEEE80211_UNLOCK(ic); 3202 } 3203 3204 int 3205 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3206 { 3207 struct ieee80211vap *vap; 3208 struct ieee80211com *ic; 3209 int error = 0; 3210 struct ifreq *ifr; 3211 struct ifaddr *ifa; /* XXX */ 3212 3213 vap = ifp->if_softc; 3214 if (vap == NULL) { 3215 /* 3216 * During detach we clear the backpointer in the softc 3217 * so any ioctl request through the ifnet that arrives 3218 * before teardown is ignored/rejected. In particular 3219 * this hack handles destroying a vap used by an app 3220 * like wpa_supplicant that will respond to the vap 3221 * being forced into INIT state by immediately trying 3222 * to force it back up. We can yank this hack if/when 3223 * we can destroy the ifnet before cleaning up vap state. 3224 */ 3225 return ENXIO; 3226 } 3227 switch (cmd) { 3228 case SIOCSIFFLAGS: 3229 ic = vap->iv_ic; 3230 IEEE80211_LOCK(ic); 3231 ieee80211_syncifflag_locked(ic, IFF_PROMISC); 3232 ieee80211_syncifflag_locked(ic, IFF_ALLMULTI); 3233 if (ifp->if_flags & IFF_UP) { 3234 /* 3235 * Bring ourself up unless we're already operational. 3236 * If we're the first vap and the parent is not up 3237 * then it will automatically be brought up as a 3238 * side-effect of bringing ourself up. 3239 */ 3240 if (vap->iv_state == IEEE80211_S_INIT) 3241 ieee80211_start_locked(vap); 3242 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 3243 /* 3244 * Stop ourself. If we are the last vap to be 3245 * marked down the parent will also be taken down. 3246 */ 3247 ieee80211_stop_locked(vap); 3248 } 3249 IEEE80211_UNLOCK(ic); 3250 /* Wait for parent ioctl handler if it was queued */ 3251 ieee80211_waitfor_parent(ic); 3252 break; 3253 case SIOCADDMULTI: 3254 case SIOCDELMULTI: 3255 ieee80211_ioctl_updatemulti(vap->iv_ic); 3256 break; 3257 case SIOCSIFMEDIA: 3258 case SIOCGIFMEDIA: 3259 ifr = (struct ifreq *)data; 3260 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3261 break; 3262 case SIOCG80211: 3263 error = ieee80211_ioctl_get80211(vap, cmd, 3264 (struct ieee80211req *) data); 3265 break; 3266 case SIOCS80211: 3267 error = priv_check(curthread, PRIV_NET80211_MANAGE); 3268 if (error == 0) 3269 error = ieee80211_ioctl_set80211(vap, cmd, 3270 (struct ieee80211req *) data); 3271 break; 3272 case SIOCG80211STATS: 3273 ifr = (struct ifreq *)data; 3274 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats)); 3275 break; 3276 case SIOCSIFMTU: 3277 ifr = (struct ifreq *)data; 3278 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3279 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3280 error = EINVAL; 3281 else 3282 ifp->if_mtu = ifr->ifr_mtu; 3283 break; 3284 case SIOCSIFADDR: 3285 /* 3286 * XXX Handle this directly so we can supress if_init calls. 3287 * XXX This should be done in ether_ioctl but for the moment 3288 * XXX there are too many other parts of the system that 3289 * XXX set IFF_UP and so supress if_init being called when 3290 * XXX it should be. 3291 */ 3292 ifa = (struct ifaddr *) data; 3293 switch (ifa->ifa_addr->sa_family) { 3294 #ifdef INET 3295 case AF_INET: 3296 if ((ifp->if_flags & IFF_UP) == 0) { 3297 ifp->if_flags |= IFF_UP; 3298 ifp->if_init(ifp->if_softc); 3299 } 3300 arp_ifinit(ifp, ifa); 3301 break; 3302 #endif 3303 #ifdef IPX 3304 /* 3305 * XXX - This code is probably wrong, 3306 * but has been copied many times. 3307 */ 3308 case AF_IPX: { 3309 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr); 3310 3311 if (ipx_nullhost(*ina)) 3312 ina->x_host = *(union ipx_host *) 3313 IF_LLADDR(ifp); 3314 else 3315 bcopy((caddr_t) ina->x_host.c_host, 3316 (caddr_t) IF_LLADDR(ifp), 3317 ETHER_ADDR_LEN); 3318 /* fall thru... */ 3319 } 3320 #endif 3321 default: 3322 if ((ifp->if_flags & IFF_UP) == 0) { 3323 ifp->if_flags |= IFF_UP; 3324 ifp->if_init(ifp->if_softc); 3325 } 3326 break; 3327 } 3328 break; 3329 /* Pass NDIS ioctls up to the driver */ 3330 case SIOCGDRVSPEC: 3331 case SIOCSDRVSPEC: 3332 case SIOCGPRIVATE_0: { 3333 struct ifnet *parent = vap->iv_ic->ic_ifp; 3334 error = parent->if_ioctl(parent, cmd, data); 3335 break; 3336 } 3337 default: 3338 error = ether_ioctl(ifp, cmd, data); 3339 break; 3340 } 3341 return error; 3342 } 3343